Abstract: Embodiments of the present invention disclose is a direct mode operation communication method and terminal which are used for flexibly switching to a suitable DMO mode according to different communication environments, reasonably using spectrum resources, and extending multimedia services. The method in the embodiments of the present invention comprises: establishing, by a first terminal, a connection with a second terminal via a first DMO mode, the first DMO mode being a narrowband DMO mode, a wideband DMO mode, or a wideband-narrowband fused DMO dual-mode; receiving, by the first terminal, a wideband DMO signal sent by the second terminal; determining, by the first terminal, whether the quality of the wideband DMO signal satisfies a preset switching condition; and if the quality of the wideband DMO signal satisfies the preset switching condition, switching, by the first terminal, the first DMO mode to a second DMO mode to communicate with the second terminal.

Abstract: Disclosed are a protocol format conversion method and apparatus, and an interface platform. The protocol format conversion method includes: receiving, by a protocol format conversion module, service data, the service data being sent by a sender according to a preset protocol format therein, and the protocol format conversion module being associated with an access point serving as the sender or a receiver; performing, by the protocol format conversion module, protocol format conversion on the service data, the protocol format conversion being performed between a standard protocol format and a preset protocol format in the associated access point; and preprocessing sending of the converted service data. According to the protocol format conversion method and apparatus and the interface platform of the present invention, complicated operating procedures for calling access points by the dispatching console and inability of mutual call among multiple access points in the prior art can be avoided.

Abstract: The invention provides a method for implementing an operation function in a two-way radio. The method includes the steps of adapting the operation function to a wirelessly connected terminal in response to triggering of the operation function of the radio, and enabling the terminal to obtain a corresponding operation interface through adapting the operation function; receiving an operation instruction sent by the terminal, wherein the operation instruction is an operation instruction of the operation function; and executing the operation instruction, and implementing the operation function in the radio through the execution of the operation instruction. In addition, the invention provides an apparatus matching the method, and a two-way radio terminal.

Abstract: The present disclosure provides a battery cover catch apparatus. The apparatus includes a battery cover, a slide switch, a catch, and a body. A chute which longitudinally extends is provided on the battery cover. The slide switch is disposed on the chute so as to be able to slide between a first position and a second position. The slide switch includes a block located inside the battery cover. The block is connected to the catch so as to drive the catch to slide synchronously. The catch includes a tongue disposed in a same direction as the extending direction of the chute. The body is provided with a recess correspondingly matching to the tongue. The tongue is engaged with the recess when the slide switch is in a first position, and the tongue is separated from the recess when the slide switch is in a second position.

Abstract: The invention provides a method for implementing an operation function in a two-way radio. The method includes the steps of adapting the operation function to a wirelessly connected terminal in response to triggering of the operation function of the radio, and enabling the terminal to obtain a corresponding operation interface through adapting the operation function; receiving an operation instruction sent by the terminal, wherein the operation instruction is an operation instruction of the operation function; and executing the operation instruction, and implementing the operation function in the radio through the execution of the operation instruction. In addition, the invention provides an apparatus matching the method, and a two-way radio terminal.

Abstract: Embodiments of the present invention disclose is a direct mode operation communication method and terminal which are used for flexibly switching to a suitable DMO mode according to different communication environments, reasonably using spectrum resources, and extending multimedia services. The method in the embodiments of the present invention comprises: establishing, by a first terminal, a connection with a second terminal via a first DMO mode, the first DMO mode being a narrowband DMO mode, a wideband DMO mode, or a wideband-narrowband fused DMO dual-mode; receiving, by the first terminal, a wideband DMO signal sent by the second terminal; determining, by the first terminal, whether the quality of the wideband DMO signal satisfies a preset switching condition; and if the quality of the wideband DMO signal satisfies the preset switching condition, switching, by the first terminal, the first DMO mode to a second DMO mode to communicate with the second terminal.

Abstract: A carrying clip for an electronic device includes a first clip body, a second clip body, and a spring tab; the first clip body is provided with a snap ring on which a notch is provided; the second clip body is rotatably connected to the first clip body and is provided with a groove, the snap ring of the first clip body is snapped and assembled in the groove of the second clip body and is rotatable along the wall surface of the groove, the wall surface of the groove is uniformly formed with a plurality of snapping slots; the spring tab comprises an annular spring tab body and a protrusion projected on the spring tab body, the spring tab body is snapped and assembled in the snap ring of the first clip body, the protrusion projects out of the notch of the snap ring and abuts against the wall surface of the groove of the second clip body; when the first clip body rotates with respect to the second clip body, the protrusion of the spring tab rotates along the wall surface of the groove alternatively abuts against

Abstract: The embodiments of the present invention disclose a method for processing channel collisions in direct mode operation and a terminal, which can ensure correct transmission of service data and improve user experience. The method in the embodiments of the present invention includes: receiving, by a first terminal, first SCI sent by a second terminal and second SCI sent by a third terminal, and detecting whether a channel collision occurs between the second terminal and the third terminal according to the first SCI and the second SCI; and if a channel collision occurs between the second terminal and the third terminal, generating, by the first terminal, a channel collision message and sending the channel collision message, so that the second terminal and the third terminal can resend the service data according to the channel collision message. The embodiment of the invention also discloses a terminal.

Abstract: Disclosed are a data pull-up method for dynamically allocating an uplink channel, a communication terminal, and a communication device. The method includes: sending, by a communication device, a pull-up signaling to at least one communication terminal, the pull-up signaling comprising an uplink channel, a time slot, and a pull-up policy allocated by the communication device; receiving, by the communication device, data uploaded by the at least one communication terminal using the uplink channel on the time slot according to the pull-up policy, the data comprising feature information of a subsequent pull-up, and the feature information being used for the communication device to adjust at least one of a subsequent pull-up time and a subsequent pull-up policy. By such means, the present invention improves an activation process flow, can greatly increase channel utilization rate and data pull-up capacity, and improves data pull-up use effects.

Abstract: Disclosed are a protocol format conversion method and apparatus, and an interface platform. The protocol format conversion method includes: receiving, by a protocol format conversion module, service data, the service data being sent by a sender according to a preset protocol format therein, and the protocol format conversion module being associated with an access point serving as the sender or a receiver; performing, by the protocol format conversion module, protocol format conversion on the service data, the protocol format conversion being performed between a standard protocol format and a preset protocol format in the associated access point; and preprocessing sending of the converted service data. According to the protocol format conversion method and apparatus and the interface platform of the present invention, complicated operating procedures for calling access points by the dispatching console and inability of mutual call among multiple access points in the prior art can be avoided.

Abstract: An overcurrent protection circuit and method for battery discharge. The overcurrent protection circuit includes a discharge switch tube; a discharge control module which is used for detecting the discharge current of batteries in real time, and judging whether an overcurrent is generated by way of comparing the detected discharge current with a preset limiting value, the discharge control module controlling switch-on of the discharge switch tube if no overcurrent is generated, the discharge control module controlling switch-off of the discharge switch tube if an overcurrent is generated, and the discharge control module locking the discharge switch tube in a switch-off state when the overcurrent has timed out; and a time delay module which is used for judging whether the overcurrent has timed out by way of comparing the time when the overcurrent is generated with a preset delay time.

Abstract: A method and device for communication based on a trunking system. A first repeater sends an identifier of a free repeater and state information of the first repeater to a terminal, the free repeater being a repeater designated from repeaters which are of pre-set type having at least one idle timeslot channel; when the terminal analyses the state information of the first repeater to find that the first repeater has an idle timeslot channel, and a pre-set main repeater is the first repeater, the terminal uses the first repeater to perform communication; and when the terminal analyses the state information of the first repeater to find that all timeslot channels of the first repeater are occupied, if the terminal does not participate in data communication of the first repeater, the terminal accesses the free repeater to perform communication.

Abstract: A terminal and method for improving the terminal reception sensitivity; when the terminal works in a time division duplexing mode, the method comprises: in a transmitting time slot, using the frequency of the transmitting voltage control oscillator (VCO) of the terminal as a first frequency; and in a receiving time slot, using the frequency of the transmitting VCO of the terminal as a preset second frequency, the predetermined second frequency differs from the first frequency in the bandwidth of at least one channel. The present invention improves the reception sensitivity of a terminal, reduces the production cost of the terminal, and decreases product size.

Abstract: The present invention discloses a transmission power control method and a user equipment. A power reference value adjusted is compared with a maximum transmission power of a channel in a narrowband mode, and a minimum value between the two is selected as the transmission power in the narrowband mode to avoid data from being transmitted by a higher power in the narrowband mode, so as to effectively reduce the interference to data transmission during coexistence of the narrowband mode and a wideband mode, improve the effectiveness of transmission power control in the narrowband mode, and prolong the standby time of the user equipment to the greatest extent.

Abstract: The invention provides a method for implementing an operation function in a two-way radio. The method includes the steps of adapting the operation function to a wirelessly connected terminal in response to triggering of the operation function of the radio, and enabling the terminal to obtain a corresponding operation interface through adapting the operation function; receiving an operation instruction sent by the terminal, wherein the operation instruction is an operation instruction of the operation function; and executing the operation instruction, and implementing the operation function in the radio through the execution of the operation instruction. In addition, the invention provides an apparatus matching the method, and a two-way radio terminal.

Abstract: An acoustic feedback detection method and device. According to the method, whether acoustic feedback occurs is determined based on a frequency characteristic of an acoustic feedback signal. Specifically, a judgment value is determined using a power peak value and an average peak value, and it is determined whether acoustic feedback occurs in a signal based on a magnitude of the judgment value and a duration of the power peak value. In this case, whether acoustic feedback occurs can be determined based on the frequency characteristic of the signal.

Abstract: A battery lid lock structure comprises: a battery lid (10), a slide switch (20), a lock (30), and a main body (40). A longitudinally extended slide slot (11) is provided on the battery lid (10); the slide switch (20) is mounted on the slide slot (11) and is slidable back and forth between a first position and a second position, and comprises a lock head (21) located in the inner side of the battery lid (10); the lock head (21) and the lock (30) are connected together to drive the lock (30) to slide synchronously; the lock (30) comprises a bolt (31) extended and disposed in the same direction as the slide slot (11); a slot (41) correspondingly matching the bolt (31) is provided on the main body (40); when the slide switch (20) is at the first position, the bolt (31) and the slot (41) are engaged, when the slide switch (20) is at the second position, the bolt (31) and the slot (41) are separated.

Abstract: A communication mode switching method and device. The method comprises: receiving a sending request; detecting whether the radio-frequency signal strength of a downlink channel meets a first threshold; when the radio-frequency signal strength is greater than or equal to the first threshold, determining that a relay station is in a working state, and keeping a relaying mode to finish the sending request; when the radio-frequency signal strength is less than the first threshold, determining that the relay station is in an abnormal state, and switching to an offline mode to finish the sending request, the offline mode specifically being to perform sending after regulating the sending frequency to be the receiving frequency of the downlink channel.

Abstract: A high priority service sending method and device in a direct mode, and a high priority service receiving method and device in a direct mode. The receiving method includes: after sending a voice frame in a voice call sending state, a user terminal receiving and detecting a priority frame in another time slot with respect to the time slot occupied by the voice call; and if the priority frame is detected, then stopping the voice call and receiving a high priority service frame in the other time slot. Using the present invention can enable an interphone in a transmitting state in a direct mode to send or receive a high priority service as well.

Abstract: A portable wireless signal transfer system, method and terminal. The method comprises: a first terminal receiving a wireless signal; the first terminal demodulating the wireless signal to obtain burst data and a timeslot number; the first terminal sending the burst data and the timeslot number to a second terminal; the second terminal receiving the burst data and the timeslot number sent by the first terminal; the second terminal performing signal modulation on the burst data; and the second terminal transmitting a signal obtained after the signal modulation in a corresponding timeslot according to the timeslot number. The wireless signal transfer function of a conventional transfer stage can be achieved using two portable terminals, which have the advantages of being easy to carry, economic, flexible, etc., and the application requirements of a conventional communication system are fully adapted.