31 results about "Field of sets" patented technology

The invention discloses a method for realizing multi-conditional access (CA) coexistence in a set top box and belongs to the technical field of set top boxes. The method for realizing multi-CA coexistence in the set top box comprises the following steps: a, identifying the state of an intelligent card, and executing a step b if the intelligent card is inserted, or executing a step e if the intelligent card is pulled out; b, performing resetting operation on the intelligent card by using intelligent card parameters corresponding to CAn in turn, judging if an average true range (ATR) value is matched with the CAn if the resetting is successful, and executing a step c if the ATR value is matched with the CAn; if the ATR value is unmatched with the CAn, determining the CAn is unmatched with the intelligent card; c, identifying the intelligent card as CAn, setting communication parameters, realizing communication, and activating a matched CAn; d, if all CAs cannot be reset or matched successfully, determining all CAs are not matched with the intelligent card; e, if the intelligent card is pulled out, suspending a current CAn. The method for realizing the multi-conditional access (CA) coexistence in the set top box can automatically match or activate corresponding CAs according to the currently inserted intelligent card, support the coexistence of multiple CAs, allows a user to change a signal source without changing the set top box and save cost for operators and the user, and is very flexible, compatible and reliable.

The invention discloses a set top box clouded framework based on an NFV, and a service implementation method thereof, and relates to the technical field of set top boxes. The set top box clouded framework based on a network function virtualization (NFV) comprises a virtual set top box and a virtual set top box client, wherein the south end of the virtual set top box is connected with the at leastone virtual set top box client, and the north end of the virtual set top box is connected with an integrated video platform and a content distribution network (CDN) platform, and the virtual set top box is used for acquiring a content source requested by the virtual set top box client, and converting the content source into audio and video data; and the virtual set top box client is arranged in areal set top box, and used for accessing the integrated video platform via the virtual set top box, and receiving and displaying the audio and video data sent back by the virtual set top box. According to the framework and service implementation method thereof provided by the invention, through decoupling a service capability and a hardware capability, the virtualization of the service capabilityof the real set top box is implemented, and the high-quality rendering effect can be acquired without changing the hardware of the real set top box; therefore, the burdensome hardware performance requirements are avoided, and the deployment requirements of innovating services of integrated video are met.

The invention relates to the technical field of set-top boxes, and provides a standardized output method, device, set-top box and system for brain wave signals. The standardized output method based on the set-top box comprises the steps of pre-acquisition of brain wave signals of a user, extraction of characteristic values, matching of the characteristic values and standardized output; the standardized output device based on the set-top box comprises a mark display module, a user brain wave signal receiving module, a characteristic value extraction module, a data base, a characteristic value matching module and a standardized output module, and is arranged on the set-top box; the standardized output system based on the set-top box comprises brain wave acquisition equipment and the set-top box. According to the invention, a group of characteristic values of the user is pre-acquired and stored to the data base to form a characteristic value matching base as comparison reference; the brain wave signals can be output in standard; the problem that brain wave signals cannot be output in standard in the prior art is solved.

The invention relates to the field of set top boxes, and in particular relates to a method for updating a program list by the set top box. The set top box receives a transmission stream (TS) sent by a front end system; whether the set top boxes in all regions uniformly update the program lists is judged according to region information in peripheral service information (PSI) issued by a wired digital front end; and when only the set top boxes in partial regions are required to update the program lists, the program lists in partial regions are updated according to region numbers of the program lists to be updated in the region information. According to the updating method, a clear logic management hierarchy is involved, so that the set top boxes in different regions can update the program lists regionally, and the trouble that the set top boxes in different regions passively update the program lists is avoided.

The invention relates to a method of preventing a set top box from root, and belongs to the technical field of set top box safety. The characteristic that programs of an OTP one-off programmable memory cannot be changed again or cleared after being written into is used, secrete keys at the upmost layer are written into an OTP rom region of the OTP one-off programmable memory of the set top box, the first secrete key is locked, and irreplaceable performance of the secrete keys is protected from the hardware layer; multiple secrete keys are set, the two matched secrete keys are used for protecting one HASH key, multiple HASH keys are written into MBoot and SBoot, the bottom layer system of the set top box is protected through the multiple secrete keys, the set top box can be correctly written in, or updated or reset until all the secrete keys stored in the OTP memory are matched, safety of a software system of the set top box is improved, and violence root is effectively prevented.

The invention relates to the relevant technical field of set top boxes, in particular to a method and system for authorizing a digital signature of an application program of a set top box. The method comprises the steps of: carrying out safe symmetrical encryption on a signature information sequence by a service end by using safe symmetrically encrypted secret keys; encrypting a signature sequence by using asymmetrically encrypted secrete keys to obtain an encrypted signature sequence, wherein a public key and the encrypted signature sequence are used as certificates; obtaining a signed application program of the set top box by the set top box, decrypting the encrypted signature sequence of the certificates by using the public key, sending verification information to the service end through safe communication; and verifying the verification information by the service end, sending the symmetrically encrypted secret keys to the set top box, decrypting the encrypted signature informationsequence by the set top box by using the symmetrically encrypted secret keys to obtain the signature information sequence and installing after verifying. The technical scheme provided by the invention is more flexible compared with a PKI (Public Key Infrastructure) digital certificate technology, and the processing mechanism is simpler.

The invention relates to the technical field of set-top-box software detection methods, in particular to a set-top-box software detection method. The set-top-box software detection method comprises the steps of: calculating and generating original CRC values of bin files in each partition; and comparing the original CRC values with CRC values obtained through calculating bin files in each partition of a set-top box to be detected for verification. The purpose of the invention is to provide the method and a program for detecting set-top-box software versions, the detection of set-top-box software versions is realized by adopting the method of comparing the CRC check-out values, the correctness of the bin files imported into the set-top box is ensured, the situation that production software is misused during production of the factory due to various reasons is effectively prevented, and unnecessary loss of set-top box manufacturers is avoided.

The invention is applied to the technical field of set-top boxes, and provides a set-top box upgrading method and a set-top box terminal. The method comprises the steps that television program code stream sent out from a network side is received; the television code stream comprises an upgrading frequency point list of a main operator and an upgrading frequency point list of a sub-operator; and according to the search sequence of upgrading frequency points, firstly whether new-version set-top box software exists in the current operator frequency point arranged in the set-top box system is examined, and if the new-version set-top box software exists, the set-top box is upgraded by taking the current upgrading frequency point as the upgrading frequency point. The set-top box upgrading method and the set-top box terminal solve the problem that the upgrading frequency points of a plurality of sub-operators can not be united due to history reasons but the sub-operators have the requirements on upgrading the same software.

The invention relates to the technical field of set top boxes (STB), the technical problem that a user demand cannot be satisfied when a remote controller of the STB is used for controlling fast forward in the prior art is solved. A method for controlling the fast forward through the remote controller of STB is provided, and the comprises the following steps: receiving a touch operation for selecting markers in the currently played video on the remote controller of the STB; marking the start time and the finish time of each segment in consistent with the marker in the video played by the STB based on the touch operation; controlling the fast forward on the playing process between the finish time of the former segment of adjacent segments and the start time of the next segment of the adjacent segments, and then realizing the technical effect of automatically realizing the fast forward according to the user demand.

The invention relates to the field of set-top boxes and discloses a method for recovering the serial number of a set-top box and the set-top box. As for the method for recovering the serial number of the set-top box and the set-top box, a region for saving the serial number of the set-top box is distributed from an electrically erasable read-only memory of the set-top box, and the serial number of the set-top box is backed up in a backup memory; when the set-top box is switched on, the set-top box can automatically detect whether the serial number of the set-top box in the electrically erasable read-only memory used for storing the serial number of the set-top box is damaged or not; and when the set-top box detects that the serial number of the set-top box in the electrically erasable read-only memory used for storing the serial number of the set-top box is damaged, the backup serial number of the set-top box can be automatically programmed into the electrically erasable read-only memory. The invention provides the method for recovering the serial number of the set-top box, which is convenient and fast, and can recover the serial number of the set-top box without using a special recovery tool, provide convenience for a user and reduce the after-sales maintenance cost.

The invention relates to the technical field of set top box, and in particular discloses a set top box broadband network sharing system provided with a plurality of set top box users, a source serverand a plurality of transit servers, wherein each transit server is connected with the source server via a broadband network, the plurality of set top box users are all connected with one transit server via the broadband network, and a cloud computing platform center system is loaded on the source server. According to the set top box broadband network sharing system provided by the invention, whilea user watches a television, the unoccupied performance of the set top box is used, and thus the user can watch the television smoothly at any time via the shared storage and broadband network, the watching experience of the user is completed, and the resources are saved; the uplink and downlink valid data values are computed via a set top box Earning APP and the cloud computing platform center system, and earnings are acquired.

The invention relates to the field of setting machines, and in particular relates to a superspeed environment-friendly and energy-saving setting machine. The setting machine comprises a bracket and connecting columns, wherein a plurality of layers of aluminum heat conduction oil tanks are arranged among the connecting columns, and heating tubes are respectively arranged in the heat conduction oil tanks which contain heat conduction oil; two lines of vertically distributed chain wheels are respectively arranged on the outer parts of the opposite two sides of the bracket, chain wheel fixing brackets are respectively arranged inside and outside the bracket, a plurality of layers of guide chain wheels are arranged on each chain wheel fixing bracket, two inlet wheel chains are arranged below the outer parts of the chain wheels, and two chains are respectively wound on the chain wheels through the inlet chain wheels, pass by the guide chain wheels and then pass the chain wheels on the other side so as to form an S-shaped circulation motion; the chains penetrate through parts between every two upper and lower heat conduction oil tanks, pin board seats are arranged on the middle inner sides of the chains, and pin boards are arranged on the pin board seats; and a glass cover is arranged above the bracket. The setting machine has the advantages of uniform material heating, good setting effect, high speed, energy conservation, occupying space conservation, cost saving and long service life of equipment.

The invention belongs to the technical field of electronic products, and specifically relates to a magnetic intelligent circuit module control system used for building a model. The magnetic intelligent circuit module control system used for building a model includes an intelligent integrated circuit board, an input module, an output module, a control module and a connection module are connected on the intelligent integrated circuit board, and the intelligent integrated circuit board is provided with magnetic ports with an adsorption function. Each magnetic port includes a plastic insulator, and a permanent magnet and metal conductors which are embedded in the plastic insulator, and the magnetic ports include input ports and output ports. The magnetic intelligent circuit module control system provided by the invention has a simple structure, abundant functions and a powerful extension function, is convenient to disassemble and assemble, and is high in operation reliability, and thus can be widely applied to the fields of setting-up of an electronic model and setting-up of a teaching aid electronic experimental platform.

The invention is suitable for the technical field of set top boxes and provides a method for searching programs, a device and a set top box. The method comprises the following steps: during the searching process, whether a currently-searched program is the favorite program labeled beforehand is determined; and if yes, the currently-searched program is displayed in a first distinction form. According to the invention, whether a currently-searched program is the favorite program labeled beforehand is determined during the searching process, and the currently-searched program is displayed in the first distinction form if the program is the favorite program labeled beforehand. Thus, users can see programs displayed in the first distinction form at a glance and can find their favorite programs without the need of spending a lot of time.

The invention discloses a method for realizing regional control of an advertising system based on CA authorization, and relates to the fields of set top boxes, CAS and BOSS. The method comprises the following steps that a front CA system sets advertising authorization packs for an EPG advertising system; a BOSS system enables a program authorization pack to carry the advertising authorization packs for different regions to form authorization products of the regions by packaging; the BOSS system transmits an authorization instruction, carries out program authorization and advertisement authorization on users, and issues the same authorization product for users in the same region; a terminal set top box receives CA authorization information, and obtains the ID of the advertising authorization pack, and regional division is realized for the set top boxes; a front-end advertising system edits materials and schedules, assigns edited advertising data of each region to the ID attribute of the region, and packages and issues all the advertising data; and the user set top box compares the regional ID with the regional ID attribute in the advertisement materials, and advertising data in local region is selected, received, stored and displayed.

The invention relates to the field of set-top box technology, and provides an detecting device for input optical power of set-top box to solve the problem that the current optical fiber input set-top box cannot directly detect the input signal. The device comprises a photoelectric conversion module, an amplifying module, a comparing module, an LED indicating module and a power supply module. The device amplifies the photoelectrically converted signal through the amplifying module, compares the optical fiber input signal through the comparison module, and then drives the indicator light to be lit within the prescribed range for signaling, so that the set-top box can detects the input fiber signal directly.

The invention relates to the technical field of set-top-box data safety of an intelligent operating system, and discloses a core-data loss prevention method for a set-top-box device. The method includes the following step: 1, starting the set top box; 2, reading data of a core-data storage area; 3, detecting the validity and integrality of the data of the core-data storage area; 4, when the detection of the data of the core-data storage area is abnormal, recovering the data according to a built-in algorithm of the set top box; 5, updating the recovered data into the core-data storage area. The method can timely and effectively prevent the core data of the set top box from loss, so that user experience is improved and the after-sales service cost of a manufacturer is reduced.