41results about How to "Implement signaling" patented technology

The invention provides a Bluetooth earphone charging box system. The system includes Bluetooth earphones and a charging box. The Bluetooth earphone are provided with first GND contact points and firstVCHG contact points. The charging box is provided with second GND contact points and second VCHG contact points. When the Bluetooth earphones are placed in the charging box, the first VCHG contact points are in contact with the second VCHG contact points, the charging box charges the Bluetooth earphones through the first VCHG contact points and the second VCHG contact points in mutual contact, and the charging box and the Bluetooth earphones reuse the first VCHG contact points and the second VCHG contact points in mutual contact for communication. The system can realize communication of the left and right earphones and the charging box to improve user experience, and improves reliability of earphone test and program upgrading processes after earphone assembly completion.

The invention provides a charger detection device for a battery protection cascade system. The charger detection device comprises N battery protection chips which are in one-to-one correspondence connection with N battery strings, wherein the first battery protection chip is a master chip and the rest battery protection chips are cascade chips; the N battery strings are connected in series, and respectively comprise M batteries, and N and M are natural numbers more than or equal to 2; each battery protection chip comprises a grounding end, a power end, a master and slave chip select signal end and a charger detection port; a connecting point of the power end of the Nth battery protection chip and the positive terminal of the Nth battery string is extracted to form the positive end of a battery pack, a connecting point of the grounding end of the master chip and the negative terminal of the first battery string is extracted to form the negative end of the battery pack, and a charger is connected between the positive end and the negative end; and the charger detection port of the master chip is connected to the negative end of the battery pack through a port resistor, the voltage of the battery pack is detected, and the connecting state of the charger is judged. The charger detection device can safely and reliably detect the connecting state of the charger, transmit an overvoltage hysteresis control signal to the cascade chips, and improve the safety of an application system.

Characters of the antenna are that the antenna consists of metal layer of keyset of handset. The metal layer includes groove, grounding device, and feed line. The invention also discloses a handset with built-in antenna. The handset includes print circuit board, and metal layer of keyset. Being as antenna, the metal layer is in use for receiving and transmitting wireless signal. The metal layer includes groove in order to satisfy requirement of antenna size from frequency band. Being setup on the metal layer, the feed line unit connected to RF sect of print circuit board is in use for receiving and transmitting radio frequency. The grounding device setup on metal layer is connected to ground of the print circuit board.

The invention discloses a method for manufacturing a three-dimensional capacitively coupled interconnection structure based on a through-silicon capacitor. The method comprises: forming two silicon substrates same in structure by machining, and bonding the back surface of one silicon substrate to the other silicon substrate in an alignment manner; forming the three-dimensional capacitively coupled interconnection structure based on the through-silicon capacitor; coaxially arranging copper columns at the upper part and the lower part of the interconnection structure; enabling the top of the copper column at the lower part to be in contact with a silicon dioxide insulation layer on the back surface of the silicon substrate at the upper part; and taking the copper column at the upper part and the copper column at the lower part as an upper electrode plate and a lower electrode plate of the capacitance respectively, taking an insulation layer between the copper column at the upper part and the copper column at the lower part as an inter-capacitance medium, and forming a through-silicon capacitor structure. Compared with a conventional TSV process, the method has the characteristics that the technological processes of making metal convex points on the front surface of a wafer, thinning the back surface to expose copper, performing insulation treatment, making micro-convex points and the like in a TSV structure making process are removed, the technological processes are remarkably reduced, the yield is increased, and required process devices are correspondingly reduced.

The invention discloses a system and method for concentration detection and training based on functional near infrared spectrum technologies. The system comprises a wearable fNIR sensing device and an intelligent terminal; a fNIR control module in the wearable fNIR sensing device controls switching-on, switching-off and spectral wavelength of a signal emission source in a fNIR signal emission module, switching-on and switching-off of a sensor in a fNIR signal collection module as well as opening and closing of signal channels, and near infrared spectrum signals on each signal channel under different spectrum lengths are collected cyclically and transmitted to the intelligent terminal; and the terminal equipment uses a built-in concentration analysis module to transform the near infrared spectrum signals into hemoglobin content information in real time and then quantify the information into a concentration index.

The invention relates to a signal adapter, which consists of a stator and an inner rotor formed by a base arranged in the stator, and an upper cover. The rotor realizes rotation by adopting the elastic force of a coil spring arranged in the rotor and fixed on the stator, and drives a signal transmission line wound on the outer edge of a rotating wheel to recover so as to achieve the function of automatically recovering the signal transmission line. Because a plane combining the bottom of the stator and the bottom of the rotor is provided with a first signal contactor and a second signal contactor capable of transmitting signals between the stator and the rotor, and by the first signal contactor, the second signal contactor, and the signal transmission line, signals in remote distance can be transmitted to the stator, and the signals of the stator can be transmitted remote distance to meet the requirement of people on signal remote transmission. Compared with the prior art, the signal adapter has the characteristics of simple structure and small occupied space, and is suitable for the requirement of large and small space.

The invention discloses a flying shear controlling system and method. The flying shear controlling system comprises a PLC and a CU320-2DP controlling unit which serves as a position closed loop controlling unit; the PLC is connected with the CU320-2DP controlling unit; the CU320-2DP controlling unit is connected with a transmission device, and the PLC generates a shear blade target position value,a shear blade maximum speed value and a shear blade maximum acceleration value; the CU320-2DP controlling unit calculates a shear blade position setting value, a motor speed setting value and a motortorque feedforward value and conducts position closed-loop controlling according to the shear blade position setting value and a shear blade position actual value, and the motor speed setting value is obtained by adding a motor speed compensation value and a motor speed feedforward value and is sent to the transmission device for speed closed-loop controlling; and the motor torque feedforward value is sent to the transmission device for torque closed-loop controlling. According to the flying shear controlling system and method, the CU320-2DP controlling unit is used as a controlling core, andthe flying shear controlling system and method have the beneficial effects of being low in cost, wide in applicability and high in performance.

The invention provides a pen cap of a touch and talk pen. The pen cap of the touch and talk pen is used for accommodating and positioning a writing pen holder which is used in daily life. The pen cap comprises an upper cover and a lower cover which is made of soft materials, the lower cover slides in the axial direction of the pen cap to be buckled to the upper cover, and an accommodating cavity for the pen holder to be inserted into is formed by the lower cover and the upper cover jointly. The pen cap further comprises a positioning sleeve, a resonance circuit and a trigger device, wherein the positioning sleeve is arranged in the accommodating cavity and is used for clamping the pen holder together with the lower cover when the upper cover and the lower cover are buckled to prevent the pen holder from being disengaged from the pen cap during wiring or clicking, the resonance circuit is arranged in the accommodating cavity, the trigger device is arranged in the lower cover, the trigger device is triggered by the deformation of the lower cover, and then the resonance circuit is triggered. When the pen holder is used for writing or clicking, the lower cover is held with a hand, the trigger device is triggered by the deformation of the lower cover, then the resonance circuit is triggered, resonance signals are generated by the resonance circuit, and then signal transmission is conducted between the pen cap and a touch and talk machine.

The invention relates to a cam limit switch, which comprises a shell, a driving wheel component arranged in the shell, a worm wheel adjusting component and a contact switch component, and is characterized in that the driving wheel component comprises a first drive-ratio gear component, a second drive-ratio gear component and a third drive-ratio gear component which use driving shafts, driving wheels, planet gears and rotating cams as structural units; the worm wheel adjusting component comprises a worm, a worm wheel, a planet gear meshed with the worm wheel and a rotating cam driven by the planet gear; and the rotating cam of the driving wheel component and an inching switch of the switch component are in movable contact to connect or disconnect an electrified circuit. The cam limit switch solves the problem that the prior cam limit switch has single drive ratio. The cams drive respective inching switch to perform signal transmission, can perform remote control of high-voltage electrical equipment, and are safe and reliable. The cam limit switch also adjusts the positions of the cams conveniently and is simple to maintain.

The invention provides a wireless AIS base station, relating to the technical field of ship communication. The wireless AIS base station comprises a communication processing system, an AIS system and a wireless transmission module; wherein the communication processing system comprises a control interface, a communication processor and a memory, which are connected in sequence, wherein the control interface is connected with a control device used for parameter setting and system debugging; the AIS system comprises a VHF transceiver module and a GNSS module, wherein the GNSS module and the VHF transceiver module are respectively connected with the communication processor; and the wireless transmission module is connected with the communication processor. The invention provides a wireless AIS base station, according to the invention, the wireless AIS base station receives and dispatches the VHF signals of other ships through the VHF transceiver module; and the VHF signals of other ships are performed encoding process by the communication processor to convert into AIS data which can be transfered by the wireless transmission module, so as to transmit to the corresponding center station equipment and realize the overall signal transmission and control.

The invention provides an electro-tactile based full-color visual substitution device which comprises an image collector, an image processor, a signal processor and stimulation electrodes; the stimulation electrodes make contact with different positions of the sensitive skin of the human body; the image collector is connected with the image processor via a data interface; the image processor is connected with the signal processor; the image collector collects image or video data via a camera and transmits the collected data to the image processor; the image processor encodes the collected datainto three types of potential information representing RGB color information according to RGB color codes, and sends the encoded potential information into the signal processor; the signal processorconverts the three types of encoded potential information into three types of electric stimulation signals that can be identified by the human skin, and the electric stimulation signals are output tothe human skin via the stimulation electrodes. Thus, the device of the invention can provide a full-color visual substitution scheme based on electro-tactile.

The invention discloses a 17 B multi-functional door lock assembly. The door lock assembly comprises a lock body, an opening rocker arm, an outer opening rocker arm, an inner opening rocker arm, a locking push rod, an outer locking rocker arm, a locking linkage block, an inner locking rocker arm and an inner locking linkage arm, and further comprises a motor, a worm, and a gear division assembly;functions of inner opening, outer opening and locking are achieved through mutual meshing effect of ratchets and pawls; the door lock assembly further comprises a ratchet signal rocker arm and a microswitch, and the signal transmission of vehicle door state information can be realized; and the microswitch in contact with the locking linkage block can realize the transmission of vehicle door lock locking and unlocking state signals so as to realize a central control function of a left door lock and a right door lock. According to the door lock assembly, the vehicle door lock is of an integratedstructure, and has the advantages of having a double-pull function, being compact in structure, good in dustproof and waterproof performance, high in transmission efficiency, better in control performance and the like.

Provided is a novel electric car intelligent car body and intelligent chassis designing method. An intelligent chassis, an intelligent car body and a control system are included. Energy is transmitted between the car body and the chassis through a wireless charging technology. Control signals are transmitted through a wireless communication technology. The car body and the chassis are not electrically connected. The car body and the chassis are only connected through a fixing mechanical connecting point. A whole car air conditioning system is placed in the chassis and is communicated with the car body only through a circulating air way. Independent design of the car body and the chassis is completely achieved, and designing of an electric car is free and flexible.

The invention relates to a double-plug pressure transmitter capable of being quickly assembled. External threads are machined on the outer side wall of the upper end of a shell; a connector with threads is machined on the lower end face of the pressure inlet head. A clamping head is machined on the upper end face of the pressure inlet head. A pressure inlet hole is formed in the middle of the lower bottom surface of the pressure inlet head in a penetrating manner; an internal thread is machined on the inner side wall of the tensioning block; a connecting kit comprises an end plate; outer plugs are mounted on the upper end surfaces of the end plates at intervals; wires are symmetrically mounted on the lower end surface of the end plate; the outer plug is connected with the lead; inner plugs are mounted at the lower ends of the wires; a sealing ring is mounted on the outer side wall of the end plate in a sleeving manner; the upper end of a transmitter core body is provided with a sheath. A first amplification plate and a second amplification plate are mounted in the sheath; the double-plug pressure transmitter capable of being rapidly assembled is firm in plug connection, not prone to falling off, convenient to connect and easy to operate.

The invention discloses a drive-by-wire structure comprising a first metal shell, a second shell, a flexible circuit board and a circuit board, wherein the first metal shell is used as an antenna radiator; a first accommodating cavity and a second accommodating cavity are respectively formed in the first metal shell and the second shell; an insulating frame is arranged in the first accommodating cavity, and the insulating frame isolates the first metal shell from the second shell; the circuit board is arranged in the second accommodating cavity; and the flexible circuit board is electrically connected with the first metal shell and the circuit board. The drive-by-wire structure can connect a metal antenna with the circuit board within a limited space and achieve signal transfer.

The invention discloses a signal transmission device including an airtight housing, a push rod, a touch bridge, a support piece, a wiring post, an auxiliary contact board, an auxiliary contact and two signal lines. The push rod is arranged in the housing. The contact bridge sleeves the upper part of the push rod. The support rod is in rigid connection with the contact bridge. The wiring post is arranged above the contact bridge. The auxiliary contact point is fixed above the support piece. The auxiliary contact board is arranged between the auxiliary contact point and the support piece and the end of the auxiliary contact board adjacent to the auxiliary contact point is suspended and the other end of the auxiliary contact board is fixed in the housing. One signa line is connected to the auxiliary contact point while the other signal line is connected to the auxiliary contact board. The sum of the distance from the support board to the auxiliary contact board and the distance from the auxiliary contact board to the auxiliary contact point is smaller than the distance from the contact bridge to the wiring post. By adopting the signal transmission device, error judgment caused by main contact fusion welding can be prevented effectively.

The invention provides a diode-based multi-serial-port parallel transmission circuit. The circuit specifically comprises a diode D1, a diode D2, a single chip microcomputer and a pull-up resistor R; the positive electrode of the diode D1 is connected with the positive electrode of the diode D2, and is connected to a + 5V power supply through the pull-up resistor R; the number of the single-chip microcomputers is multiple. The negative electrode of the diode D1 and the negative electrode of the diode D2 are connected to communication pins of different single-chip microcomputers. The beneficialeffects of the invention are that the circuit employs the design of two diodes and one resistor, solves a problem of TTL level serial port parallel transmission, achieves the signal transmission of two or more single-chip microcomputers to one single-chip microcomputer, is low in cost, and is easy to achieve.

The invention discloses a board card anti-collision butt joint structure. The structure comprises a fixed board card installed in a case; the movable board card is matched and butted with the fixed board card; and the pre-positioning guide rail is connected to the inner wall of the case and extends outwards along the butt joint direction of the fixed board card and the movable board card. The fixed board card is provided with a first connector and a fixed guide rail. The movable board card is provided with a second connector which is in butt joint with the first connector, a movable guide pin which slides in cooperation with the fixed guide rail, and a positioning guide column which slides in cooperation with the pre-positioning guide rail. The length of the positioning guide column is larger than that of the movable guide pin. Therefore, the pre-positioning of the movable board card is realized after the positioning guide column and the pre-positioning guide rail are in plug-in fit, the movable guide pin and the fixed guide rail are automatically matched in the subsequent operation process, and the first connector and the second connector are butted, so that the guide pin can be prevented from colliding with the connector to cause damage on the basis of realizing accurate butting of the board card. The invention also discloses a server, which has the above beneficial effects.