Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

142 results about "CPU card" patented technology

A CPU card is a printed circuit board (PCB) that contains the central processing unit (CPU) of a computer. CPU cards are specified by CPU clock frequency and bus type as well as other features and applications built into the card.

Anti-virus and firewall system

An anti-virus system for enforcing a virus monitoring and scanning process, the anti-virus and firewall system comprises a master CPU card, a plurality of slave CPU cards and a programmable logic. The master CPU card is used for controlling the virus monitoring and scanning process and dividing the virus monitoring and scanning process into a plurality of sub-processes. The plurality of slave CPU cards are controlled by the master CPU card in a software level and a hardware level, each of the plurality of slave CPU cards receives and processes one of the plurality of sub-processes then sends back to the master CPU card. The programmable logic controlled by the master CPU card for monitoring and controlling said plurality of slave CPU cards at a hardware level.
Owner:IYUKO SERVICES

Non-contact CPU (Central Processing Unit) card entrance guard reader

The invention discloses a non-contact CPU (Central Processing Unit) card entrance guard reader comprising a radio frequency part, a 485 communication part, a security module part, a Wigan output and external control part, a power supply part, an external connection part, a microcontroller part and other parts. The non-contact CPU card entrance guard reader is internally provided with a PSAM (Pilot Symbol Assisted Modulation) card and applies security certification read-write mechanisms of the PSAM card and a CPU card. The CPU card entrance guard reader builds an integral and strict key management system by adopting the security certification of the PSAM card and the CPU card, sufficiently uses the security characteristics of the CPU card and comprises key systems of the CPU card and the PSAM card; after a key is input into the PSAM card, the key cannot be externally read, the PSAM card is inserted into card reading equipment, two-way validation is carried out through the PSAM card and the CPU card, a verified message is calculated through the participation of random data, and a same card is different every time when swiped on one equipment, therefore a counterfeit card is thoroughly prevented.
Owner:SHANGHAI ZTRON ELECTRONICS

Vehicle-mounted unit of 5.8 GHz electronic toll collection system

InactiveCN102184576ASolve the problem of charging without parkingSolve the problem of implementing chargesTicket-issuing apparatusShortest distanceElectronic toll collection system
The invention discloses a vehicle-mounted unit of a 5.8 GHz electronic toll collection (ETC) system, comprising a primary processor unit, a 5.8 GHz wireless communication module, an IC (integrated circuit) card interactive module, an information displaying module, a power management module, a JTAG (joint test action group) debugging interface and an anti-dissembling module, wherein the 5.8 GHz wireless communication module is connected with the primary processor unit to realize DSRC (dedicated short range communications) short distance wireless communication which meets the Chinese national standards of the ETC; the IC card interactive module carries a double-interface CPU (central processing unit) card and can be compatible with an artificial semi-automatic charging way; and the power management module utilizes a solar battery to charge a lithium battery. The 5.8 GHz wireless communication module of the vehicle-mounted unit receives arousal signals and data which are transmitted from a RSU (rate-sensor unit) and sends to the primary processor unit; and the primary processor unit reads and writes the double-interface CPU card according to the received data and transmits vehicle / trade information to the RSU, so as to realize electronic toll collection.
Owner:SOUTHEAST UNIV

CPU card three phase electronic type pre-payment step electricity price electrical energy meter

A CPU card single / three-phase electronic prepayment stepwise electricity price and electric energy meter comprises an interface unit, a power circuit unit, an electric energy metering and an electric parameter detection unit, an electric meter power cut-off mechanism and an MCU control unit; the interface unit, the power circuit unit, and the electric energy metering and the electric parameter detection unit are respectively input to the MCU control unit; the MCU control unit outputs the power cut-off information to the electric meter power cut-off mechanism; the power circuit unit simultaneously supplies power to the electric energy metering and electric parameter detection unit; the electric energy meter further comprises a display unit, an ESAM unit and an alarm unit; the ESAM unit is connected between the interface unit and the MCU control unit; and the display unit and the alarm unit are activated by the control information output by the MCU control unit. The electric energy meter of the invention adopts the stepwise electricity price, and gives different electricity prices based on the monthly power consumption of the users, which facilitates a power supply bureau to flexibly select the policy of encouraging or restricting power utilization.
Owner:SHENZHEN STAR INSTR

Electronic non-parking toll-collection system with path recognition function

The invention discloses an electronic charge system without stopping a vehicle, which has the function of recognizing paths. The electronic charge system comprises an antenna device arranged on the side of a road and a marking station device on the side of the road, which further comprises a vehicle-carried unit and a bi-interface CPU card. The vehicle-carried unit is connected with the antenna device arranged on the side of the road and the marking station device on the side of device in a wireless way respectively. The vehicle-carried unit comprises a master controller and so on. A HF antenna unit is connected with a high frequency controller. An intermediate frequency antenna unit is connected with an intermediate frequency controller; an IC card special interface is connected with a low frequency controller; the high-frequency controller, the intermediate frequency controller, the low frequency controller, a management interface system, an encoding and decoding unit, a display control unit, a data storage unit and a power supply control unit are connected with the main controller respectively. The electronic charge system has the advantages that: 1. the information of a plurality of paths can be recorded; 2. programming is supported; 3. the electronic charge system without stopping vehicles (ETC) is compatible with a multi-path recognition system.
Owner:刘明豪

Pre-payment time-sharing electric energy meter system for CPU card

The invention relates to a prepaid time-sharing electric meter system of a CPU card, which comprises a prepaid electric meter of the CPU card, the CPU card, a key management system of the CPU card, an electric sales point operation system of the CPU card, an electric consumption operation management system of the CPU card and a palm computer; the prepaid electric meter of the CPU card can measure the electricity, receive data from the CPU card and return and write the data to the CPU card; the key management system of the CPU card is responsible to distribute and manage the keys in the CPU card; the electric sales point operation system of the CPU card completes the writing of the data to the CPU card; the electric consumption operation management system of the CPU card runs on the electric sales point operation system of the CPU card and processes and records the acquired electric bill and the management information; the palm computer corrects the time and copies the data. The prepaid time-sharing electric meter system of the invention has the advantages that by the purchase of electricity from the electric sales point operation system of the CPU card, the prepaid electric consumption by the user can be realized; the correctness of the electric billing can be guaranteed by the management of the electric consumption process by the electric consumption operation management system of the CPU card.
Owner:SHENZHEN STAR INSTR

Method for loading double e-wallets

The invention discloses a method for loading double e-wallets, relating to the information security field. The method includes steps of entering into a contactless inductive area of a terminal by the CPU card; being powered on and initialized, synchronizing a first e-wallet and a second e-wallet by the CPU card; receiving and executing INITIALIZE FOR LOAD instruction sent by the terminal, and returning a response message of INITIALIZE FOR LOAD instruction to the terminal, by the CPU card; receiving the response message of INITIALIZE FOR LOAD instruction and sending data in the response message of INITIALIZE FOR LOAD instruction, to a host, by the terminal; receiving and storing the data, sending LOAD allowing message to the terminal, by the host; receiving LOAD allowing message and sending LOAD instruction to the CPU card, by the terminal; receiving LOAD instruction, performing loading operation on the second e-wallet, refreshing balance of the first e-wallet and returning the response message of LOAD instruction, to the terminal, by the CPU card. (FIG. 3)
Owner:FEITIAN TECHNOLOGIES

Certificate loading method and certificate updating method of card reader and card reader

The present invention provides a certificate loading method and a certificate updating method of a card reader and the card reader. The certificate loading method comprises: verifying whether a signature of a first certificate to be loaded is legitimate according to a public key of an application root certificate in the card reader; If the signature is legitimate, analyzing the first certificate, to obtain a public key of the first certificate; encrypting preset data by using the public key, to obtain encrypted data after encryption; decrypting the encrypted data according to a private key of a pre-generated public-private key pair, to obtain data after decryption, wherein the private key is a private key corresponding to the public key of the first certificate in the public-private key pair that is pre-generated by the card reader and is used to acquire the first certificate; and determining whether the data after decryption is consistent with the preset data, if yes, writing the first certificate to a specific location of the card reader, to finish loading of the first certificate. According to the method, after a safety certificate is loaded into the card reader, legality, confidentiality and integrity of information can be ensured in a transaction process with a CPU card.
Owner:中外建设信息有限责任公司

Smart card operation method and system

ActiveCN101493900ASolve the problem that APDU instructions cannot be used to accessSimple methodCo-operative working arrangementsSensing record carriersSmart cardCard reader
The invention discloses an operation method of a smart card and a system thereof and pertains to the applicable field of smart cards. The method comprises the steps as follows: the smart card is inserted in a slot of a card reader which is connected to a computer; the card reader detects the type of the smart card; when the smart card is a logistic encrypted card, the computer accepts an operation request sent by a user on the logistic encrypted card and maps the operation request on the logistic encrypted card as an APDU command which is sent to the card reader through CCID protocol; the card reader maps the received APDU command as a logistic encrypted card operation command which is sent to the smart card to carry out operation on the smart card; and when the smart card is a CPU card, the computer sends the APDU command through the CCID protocol to the card reader; and the card reader sends the received ADPU command to the smart card to carry out operation on the smart card. The method and the system solve the problem that the existing card reader operating the logistic encrypted card cannot be accessed through the APDU command.
Owner:FEITIAN TECHNOLOGIES

Test pin free contact type CPU card test method

The invention provides a contact-type method for testing a CPU card of which the program memory is the electrical erasable memory without testing pin. The method carries out erasing function to the program memory by loading an erasing control signal to the program memory, an erasing address and a data string through the IO pin of the IC card. Thus, the function testing program of the chip can be loaded and written into the program memory through an IO string, and the function testing to the chip can be carried out by operating the function testing program in the program memory. In the testing method, the testing pin is shared with the standard pin of the IC card, thus the separate chip testing pin is not added, so as to improve the safety of the chip and reduce the area of the chip.
Owner:BEIJING CEC HUADA ELECTRONIC DESIGN CO LTD

Card reader and card reading method thereof

An embodiment of the invention discloses a card reader and a card reading method thereof. The invention relates to the technical field of the IC card, and settles the problem that the prior card reader is incompatible to the non-standard CPU card. The embodiment of the invention receives the initial character of the reset response data returned from the intelligent card with a synchronization mode, and counts the number of impulses of preset clock sources corresponding with one bit data in the process of receiving partial information of the initial character; determining whether the intelligent card is a standard intelligent card according to the number of impulses; and if the intelligent card is not a standard intelligent card, executing data interaction with the CPU card with a transmission speed corresponding with the impulse number. The embodiment of the invention is mainly used for the card reader in the IC card field and is especially used for the card reader of the intelligent card.
Owner:FEITIAN TECHNOLOGIES

Electronic lock of slot machine and method for unlocking electronic lock

The invention provides an electronic lock of a slot machine and a method for unlocking the electronic lock. The electronic lock of the slot machine comprises a microprocessor module, a central processing unit (CPU) card key reader, a contactless CPU card key, a driving module, an electromagnetic lock core which is arranged at a door of the slot machine, and a power control module. The method for unlocking the electronic lock comprises the following steps that: the microprocessor module reads a unlocking secret key and unlocking time, which are pre-stored in the contactless CPU card key, through the CPU card key reader; when the unlocking secret key and the unlocking time accord with unlocking conditions, the microprocessor module generates an unlocking control signal, and subtracts one time from the unlocking time which is pre-stored in the contactless CPU card key; and the microprocessor module controls the locking and unlocking operation of an electromagnetic lock core according to the unlocking control signal. According to the electronic lock of the slot machine, the defects that a contactless integrated circuit (IC) card in the prior art is low in security and easy to crack are overcome.
Owner:ZHENGZHOU TIAMAES TECH

High-density computer system

InactiveUS20110292589A1PowerfulEconomic benefitsRacksServersExpansion cardElectricity
A high-density computer system comprises: a chassis, having a main backplane, and a main control circuit and a plurality of main backplane slots installed and formed on the main backplane respectively; at least one expansion card module inserted and installed in the chassis, and the expansion card module includes a sub-backplane having a sub-control circuit and a plurality of second sub-backplane slots, and an end of the sub-backplane has a first sub-backplane slot corresponding to the main backplane slot, and the first sub-backplane slot and the sub-control circuit and the second sub-backplane slots being electrically coupled; a plurality of CPU cards installed on the expansion card module, each being inserted to the second sub-backplane slot, and the CPU card having a CPU, such that the computer system can have a powerful modular assembling function to enhance the economic benefits and product competitiveness.
Owner:CASWELL

Management methods and apparatus that are independent of operating systems

The present invention relates to a management agent that can be ran on any operating system. More specifically, the management agent of the present invention is implemented with a set of application program interfaces (APIs) that allows the management agent to be independent of operating systems. The APIs makes the management agent portable across multiple operating systems. In an embodiment of the present invention, a Compact Peripheral Component Interconnect (CPCI) computer system includes a CPCI chassis, a circuit board located within the CPCI chassis, a first central processing unit (CPU) card coupled with the circuit board. The CPCI computer system also includes a second CPU card coupled with the circuit board, a first management agent located within the first CPU card, and a second management agent located within the second CPU card. The first and second CPU cards each respectively has a first operating system and a second operating system.
Owner:ORACLE INT CORP

Method for detecting that contactless CPU card leaves radio-frequency field

A method for detecting that a contactless CPU card leaves a radio-frequency field relates to the field of smart cards. The method comprises: receiving and judging whether a valid instruction sent by an upper computer is received, and conducting a corresponding operation according to the received instruction; as a notification card search instruction, conducting a card search operation, and judging whether returned information is received; obtaining card number information about a contactless card according to the returned information; as an APDU instruction, sending A data to the card in accordance with a designated format, judging whether a response is received, and sending the operation result to the upper computer; as an extension instruction, executing a corresponding operation, and sending the operation result to the upper computer; when a valid instruction is not received, judging the mark of the card in the radio-frequency field, and if the card is in the radio-frequency field, conducting a card detection operation, and sending the operation result to the upper computer; and if the card is not in the radio-frequency field, conducting a card search operation. The present invention can detect the problem that a CPU card leaves a radio-frequency field in real time.
Owner:FEITIAN TECHNOLOGIES

Method for realizing communication and interaction between non-contact integrated circuit (IC) cards and card reading terminal on basis of multi-card fusion application

The invention relates to a method for realizing communication and interaction between non-contact integrated circuit (IC) cards and a card reading terminal on basis of multi-card fusion application. The non-contact IC cards comprise a non-contact logic encryption card and a non-contact central processing unit (CPU) card. The communication and interaction method comprises the following steps: connecting the non-contact IC cards with the card reading terminal in an induction mode; and acquiring the types of the cards and performing reading and writing operation. By the method, multi-card fusion can be realized and multiple cards can be identified. The non-contact cards supported at present comprise all Phillips S50 M1 cards and the CPU cards of multiple card manufacturers. The section distribution of M1 can be flexibly adjusted and the sections and the catalogues of the CPU cards can be increased or decreased according to the requirements of customers.
Owner:JIANGSU HONGXIN SYST INTEGRATION

Dual usage smart card of CPU and logical encryption and its data synchronization method

A dual usage smart card of CPU and logical encryption and its data synchronization method. Said method comprises that a CPU command processing module controls an accessing control module for the logical encryption storage region to read the data in the logical encryption storage region to a data format conversion module; said data format conversion module transmits the data to the CPU control storage region; the CPU command processing module controls the CPU control storage region again to transmit the data of CPU card to the accessing control module for the logical encryption storage region through the data format conversion module; and said accessing control module for the logical encryption storage region writes the data of CPU card into the logical encryption storage region.
Owner:BEIJING WATCH DATA SYST

Security certification and encryption method and system of multi-application noncontact-type CPU card

The invention provides security certification and encryption method and system of a multi-application noncontact-type CPU card according with the ISO 14443 standard. The security certification encryption system comprises a CPU card, a card-reading device and a control device, wherein the CPU card is used for the radio frequency transmission of encrypted user ID information, the card-reading device is used for receiving and decrypting the encrypted user ID information to acquire and transmit original user ID information, and the control device is used for receiving the original user ID information and executing corresponding operation according to a right thereof. Because a front-end information reading module and a back-end information decryption module can be remotely communicated, the back-end information decryption module and the control device can be arranged in hidden positions to only transmit the encrypted user ID information in the link so that the difficulty of illegally acquiring the user ID information is upgraded. The CPU card is provided with a COS (Cooperative Office System) system for implanting an encryption algorithm and overlaying a random number so that the encrypted user ID information generated by encryption every time is also random correspondingly.
Owner:深圳市数智国兴信息科技有限公司

Safety authentication method applied to parking lot as well as related device and system

The invention discloses a safety authentication method applied to a parking lot as well as a related device and a system. The safety authentication method comprises the following steps: reading a first secret key and a second secret key; generating a general control secret key according to the first secret key and the second secret key; carrying out dispersion calculation on the general control secret key to generate a card dispensing master card secret key and an SAM (Security Account Manager) card dispensing control secret key; generating a CPU (Central Processing Unit) card sub-secrete key according to the card dispensing master card secret key and generating an SAM card secrete key according to the SAM card dispensing control secret key; and identifying the identity of a user according to the CPU card sub-secrete key and the SAM card secrete key. The secret key injection of the scheme has certain order and level and the secrete keys of each layer have a mutual protection dependence relation so that the secrete keys have high safety; according to the scheme, a CPU card and PSAM (Purchase Secure Access Module) card interactive identification manner is adopted for identifying the identity of the user so that the protection to use data is greatly enhanced and the safety of a parking lot management system can be improved.
Owner:SHENZHEN JIESHUN SCI & TECH IND

Electronic charging system without parking and with function of path recognition

The invention discloses an electronic charging system without parking and with the function of path recognition, which comprises road antenna equipment, road mark station equipment, a vehicular unit and a double-interface CPU card which is connected with the vehicular unit; in the road mark station equipment, a high-frequency controller, a management interface unit, an encryption and decryption unit, a data storage unit and a power supply control unit are connected with a main controller; a high-frequency antenna unit is connected with the high-frequency controller; a computer control unit is connected with the management interface unit; and the road antenna equipment also comprises an intermediate-frequency antenna unit and an intermediate-frequency controller; the intermediate-frequency controller is connected with the main controller; and the intermediate-frequency antenna unit is connected with the intermediate-frequency controller. Due to the adoption of the technical scheme, the system has the advantages that the information of a plurality of paths can be recorded; programming is supported; the electronic charging system ETC without parking and a multi-path recognition system are mutually compatible; upstream and downstream frequencies are separated; the anti-interference is strong, and the security is good.
Owner:刘明豪

Integrated circuit (IC) card and data updating method thereof

The invention provides an integrated circuit (IC) card and a data updating method thereof, belonging to the technical field of IC cards and capable of solving the problem that the synchronism of M1 card data and central processing unit (CPU) card data can be realized only when M1 card read-write equipment is updated in the conventional IC card. In the IC card data updating method, the IC card comprises an M1 card module and a CPU card module, and M1 card data used by the M1 card module and CPU card data used by the CPU card module are stored in the IC card. The method comprises the following steps that the M1 card data is used to update the CPU card data if the CPU card data is inconsistent with the M1 card data before the IC card module performs IC card transaction; and the CPU card module is used for performing IC card transaction, and the CPU card data and the M1 card data are updated in the IC card transaction. The IC card comprises the modules or units used for realizing the functions. The invention can be used in an IC card with both a CPU card module and an M1 card module.
Owner:BEIJING WATCH DATA SYST

CPU and logical encrypt double-purpose smart card and key data processing method thereof

The method comprises: the CPU card system inputs and outputs the key data; the CPU card control the read / write of key data in the logically- encrypted data memory. The CPU and logically-encrypted dual-mode smart card comprises: a CPU card system and a logically -encrypted card system; a data control unit and a logically-encrypted data memory located in the logically-encrypted card system.
Owner:BEIJING WATCH DATA SYST

CPU card chip measuring method

The present invention relates to a testing method of CPU and chip, and said method includes the following steps: utilizing programing process of testing program defining the one-to-one correspondent relationship between the pin of chip to be tested and testing channel of test instrument; utilizing a matchmode writen in said testing program to detect that the character frame on detection output port is in start bit with low level or the start bit with low level can not be waited; utilizing GPIB serial protocol between test instrument and automatic probe platform, in the testing process dynamically modifying the testing file. Said invention can accurately sample every bit, and can obtain the accurate testing result.
Owner:上海华园微电子技术有限公司

Contactless CPU card compatible to logic encryption card

The invention discloses a non-touching CPU card of logic compatible coded card, which comprises the following parts: non-touching logic compatible coded card function compatible circuit, CPU card circuit and non-volatile storage of together addressing invitation; the CPU card circuit contains mutual connection CUP core, program storage, non-volatile storage, internal memory and coded coprocessing mode. The invention solves the safety problem of widely-used non-touching logic coded card, which realizes the appliance of transmission from gapless system to the non-touching CPU card.
Owner:SHANGHAI FUDAN MICROELECTRONICS GROUP

Equipment system and method for remotely operating integrated circuit (IC) card

The invention relates to an equipment system and method for remotely operating an integrated circuit (IC) card. The client (such as a mobile terminal) initiates a request for operating a local IC card to a server, and the server operates the client IC card according to the IC card operating procedure and finally returns the operation result to the client. The invention can be used for realizing operation on the local IC card based on the server under the support of the weak client at the local terminal; the whole operating procedure of the IC card is carried out at the server, and the key system required by the operation of the IC card is positioned at the server, so that the maintenance of the operating procedure is irrelevant to the client; and the safety problem when the client operates a CPU card at the local terminal is also solved.
Owner:SHANGHAI FUDAN MICROELECTRONICS GROUP

Separation-type vehicle-mounted guiding system

ActiveCN103197330ADoes not affect the use of basic functionsEasy to upgradeSatellite radio beaconingVehicle componentsElectricityComputer module
The invention relates to a separation-type vehicle-mounted guiding system. The separation-type vehicle-mounted guiding system comprises a base (11), a vehicle-mounted antenna box (12), and a master control center. The base is used for being installed in a vehicle central control platform in an embedded mode, and comprises a display screen and a display screen back control circuit board, wherein the circuit board comprises a control module, a display driving module, a power module and a radio module with an antenna. The control module is electrically connected with the display driving module, the power module and the radio module. The vehicle-mounted antenna box (12) is connected with the base through cables, and comprises a plurality of antennas, except for the antenna of a radio, of the system, and a circuit board, wherein the plurality of antennas can be placed in a concentrating mode through an outer shell and an inner portion which enable electromagnetic waves to penetrate, and the circuit board provides electric connection. The circuit board is further provided or electrically connected with a controller, a subscriber identity module (SIM) card slot and an externally arranged connecting interface which exposes on the outer shell of the vehicle-mounted antenna box. The master control center is separated from the base or arranged inside an external central processing unit (CPU) card (13), and comprises a central processing unit, and a storage module, a voice frequency module, a display module and a wireless module which are electrically connected with the central processing unit. The vehicle-mounted guiding system greatly saves maintenance cost, and does not affect basic demands during breakdown.
Owner:AUTOLINK ELECTRONICS

Non-contact processor card based on combined public key authentication and use method

The invention belongs to the technical field of CPU cards and provides a non-contact processor card based on combined public key authentication and a use method. The non-contact processor card comprises a chip, a safe serial port, a radio frequency unit, a micro processor, an RAM, an ROM, an EEPROM, a safe logic unit and a self-destruction unit, wherein the safe serial port, the radio frequency unit, the micro processor, the RAM, the ROM, the EEPROM, the safe logic unit and the self-destruction unit are installed on the chip and are connected with the chip through circuits. The use method of the combined public key authentication is achieved, collusion attack prevention capacity is improved by means of a chaotic random sequence generated by means of chaotic mapping, a puzzling secret key of a reversion prevention project is additionally arranged in a secrete key unit, meanwhile, a self-destruction logic unit for preventing temptation attacks is additionally arranged, transmission secrete keys are not needed, requirements for safety in the communication process are not high, use safety is high, large-scale popularization and use are facilitated, and the CPU card and the use method are suitable for meeting service requirements on the basis of mobile communication.
Owner:上海象形通讯科技股份有限公司

Smart card containing Mifare functional module and data updating method thereof

The invention discloses a smart card with a Mifare functional module and a data updating method, including: the Mifare functional module, updating the data stored in the Mifare functional module according to the received charging or consuming command information; a control module controlling the Mifare functional module and updating the data according to the charging command information when receiving the charging command information. The invention represents the convenience of Mifare function also can exert the high safety of the CPU smart card in the CPU card or KEY and the like including the Mifare function, which finally advances the whole safety of the application system.
Owner:BEIJING WATCH DATA SYST

Power supply control device and method

The invention discloses a power control equipment and method, which comprises the following parts: signal output control part, voltage adjustment output part, voltage adjustment output control part, CPU card controller, voltage output part and alteration part, wherein the signal output control part outputs multiple motion mode signals according to the system motion frequency; the voltage adjustment output part adjusts or outputs at least one specific mode of multiple motion modes corresponding to the voltage value; the voltage adjustment output control part controls the voltage adjustment output part to output the corresponding voltage value to the motion mode; the CPU card controller controls and operates the power control part in connection with at least one output voltage; the voltage output part outputs the fixing voltage value; the alteration part transmits the fixing voltage value into system power of specific mode motion through output line. The invention can reduces the power noise in the portable device C4 condition greatly.
Owner:LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products