104results about How to "Continuous transmission" patented technology

The present disclosure relates to combining tunable antenna matching circuit adjustments and RF power amplifier output power adjustments of a first RF terminal in response to output power adjustment commands received from a second RF terminal. The output power adjustment commands may be part of an output power control loop between the first RF terminal and the second RF terminal to control the output power from the first RF terminal. The first RF terminal may include an RF receiver, an RF power amplifier, and a tunable antenna matching circuit coupled between an output of the RF power amplifier and an antenna. The tunable antenna matching circuit adjustments may be impedance adjustments of the tunable antenna matching circuit and the RF power amplifier output power adjustments may result from adjustments to one or more input signals to the RF power amplifier.

A transmission device for converting a torque from rotary to linear movement includes a rack having a plurality of teeth and a pinion having rollers which mesh with the teeth of the rack, with pressurization provided therebetween. The rack has an arcuate tooth flank diametrically greater than each of the rollers of the pinion. The rack also has a tooth face which has an approach profile progressively moving away from the path of contact of each of the rollers along which each of the rollers would otherwise engage with the tooth face. A plurality of each of the rollers of the pinion concurrently mesh with the corresponding teeth of the rack. Another embodiment converts a torque between rotary and linear movement and comprises a pinion having a plurality of teeth and a rack having a plurality of rollers to mesh with the teeth of the pinion. The device achieves reduced transmission resistance, a silent intermeshing movement with no substantial noise and vibration, as well as reduced wear on the teeth and rollers.

A method of conducting multiple source, multiple signal seismic surveys in a marine environment are provided.

The invention discloses a system for treating organic exhaust gas by adsorptive-catalytic combustion. The system comprises a pretreatment filter which communicates with and sucks the organic exhaust gas, a main adsorption fan which exhausts the adsorbed exhaust gas and a main fixed adsorbent bed which is connected between the pretreatment filter and the main adsorption fan through a pipe and usedfor adsorbing the exhaust gas; the exhaust pipe of the main adsorption fan is connected with a gas monitoring apparatus which is electrically connected with a control device; the entrance of the mainfixed adsorbent bed is connected with a catalytic bed through a main desorption fan via a pipe; the exit of the catalytic bed is connected with the exit of the main fixed adsorbent bed through a pipe; a temperature sensor in electric connection with a control device is arranged in the catalytic bed; and the main fixed adsorbent bed is connected in parallel with an auxiliary fixed adsorbent bed which conducts an alternative adsorptive or catalytic process with the main fixed adsorbent bed. The invention has the advantages of effectively guaranteeing the treatment efficiency of the organic exhaust gas, replacing manual operation with automatic control and effectively improving the production safety degree, the equipment operation reliability and the economy.

The invention discloses a satellite positioning and static leveling-based layered settlement monitoring system and method. The system comprises a base station, a monitoring station which is arranged in a settlement monitoring area and a monitoring center which communicates with the monitoring station, wherein the base station communicates with the monitoring station; the monitoring station comprises an observation pillar, a second Beidou satellite signal receiver mounted on the observation pillar, a data transmission unit, a plurality of layered settlement marks and a static level system; the static level system comprises a plurality of static level gauges; each layered settlement mark is provided with one static level gauge; one of the static level gauges is arranged on the observation pillar. The method comprises the following steps: I, setting of the monitoring system; II, data acquisition and transmission; III, data processing and analysis. According to the satellite positioning and static leveling-based layered settlement monitoring system and method, the calibration and correction problems of the instable working base points during the static leveling can be effectively solved, and the long-term, remote and real-time monitoring for the layered settlement deformation of the geologic bodies can be realized.

A method for increasing channel utilization in a video broadcast system includes receiving, at a head-end, a request for a video program from one of a plurality of subscriber stations. Determining whether the requested video program is associated with a first subset of channels representing broadcasted channels having a first subscriber viewership level greater than a threshold level, a second subset of channels representing broadcasted channels having a second subscriber viewership level less than the threshold level, and a third subset of channels representing on-demand channels having a third subscriber viewership. The first subset of broadcast channels is substantially continuously transmitted. The second subset of broadcast channels is transmitted based upon channel availability and programming assignments. The third subset of on-demand channels are transmitted from the head-end to at least one of the plurality of subscriber stations upon assigning video programming corresponding to the requesting subscriber station.

The invention discloses a device for eliminating echoes of mobile terminals, which comprises an echo canceller, an automatic gain controller and a noise suppression module, wherein the echo canceller is used for eliminating part of echo signals thereof according to the correlation between upstream signals and downstream signals and then sending output signals to the noise suppression module; the noise suppression module is used for receiving the output signals sent by the echo canceller, filtering noises of environment and residual noises not eliminated by the echo canceller and sending the output signals to the automatic gain controller; the automatic gain controller is used for comparing the downstream signals with the output signals sent by the noise suppression module in real time to conclude a decrement and adding the decrement to the upstream signals to eliminate the residual echoes thereof. The device for eliminating echoes of mobile terminals of the invention solves the problem of destroying normal voice signals when eliminating echoes, such as too great voice attenuation, changes of operation mode into simplex, discontinuous voices, distortion and so on.

A data communication device is provided wherein a data storage region and a process request region indicative of whether or not there is a process request of data transmission are secured on a memory. A data transmission section receives a request for data transmission from a transmission module to store data in the data storage region and, only when a process request is not yet written in the process request region, writes a process request in the process request region to issue an interrupt to a process request receiving section. The process request receiving section confirms that a process request is written in the process request region and clears the process request to notify a reception module about data storage in the data storage region. A data acquisition section receives a request for data reception from the reception module to acquire data from the data storage region.

The invention discloses a rapid energy consumption optimization stream medium application bandwidth resource allocation method suitable for a scene of stream medium bandwidth resource allocation of a single base station in a mobile cellular network of 3G (the 3rd generation telecommunication) or LTE (Long term evolution). The rapid energy consumption optimization stream medium application bandwidth resource allocation method includes the steps that a dispatching controller is built between a base station and a server, and the dispatching controller collects the number of users in the network, playing speed of the users and the size of video requested by the users, updates buffer time of the users and the like at regular intervals; when a plurality of the users in the mobile cellular network request stream medium data, the dispatching controller runs a rapid energy consumption optimization stream medium bandwidth allocation strategy, allocates bandwidths for all the users so as to save energy of a mobile terminal, and simultaneously guarantees that jammed time of the video does not exceed a certain limit, and uses an adjustment coefficient to achieve balance between energy consumption of the mobile terminal and the video buffer time of the users. The rapid energy consumption optimization stream medium application bandwidth resource allocation method achieves the purpose of obtaining the minimum average energy consumption for all client sides on the premise of meeting a limiting requirement for the buffer time of the users of the stream medium video.

The invention discloses a fruit boxing device which mainly comprises a supporting frame, a main conveying mechanism, a vertical conveying mechanism, a rotating mechanism, a lifting mechanism and a fruit box. The supporting frame achieves a supporting effect, the main conveying mechanism is fixed to the supporting frame and conveys fruits to the boxing device, the vertical conveying mechanism is installed at the tail end of the main conveying mechanism, the rotating mechanism is installed on the side face of the vertical conveying mechanism, the lifting mechanism is installed on the main conveying mechanism and the vertical conveying mechanism, and the fruit box is placed under the rotating mechanism. The fruit boxing device is characterized in that with the fruit boxing process carried out, the fruit stacking height is changed, the vertical conveying mechanism can be lifted by the certain height under the effect of a control system and the lifting mechanism, fruit boxing continuity is ensured, violent collision is prevented from being caused when fruits are conveyed into the box, and the purposes that the boxing efficiency is improved and the fruit damage rate is lowered are achieved.

The invention discloses a method for transmitting audio data, a system, a storage medium and a Bluetooth earphone. The method comprises the steps of detecting whether stored audio data meets a first predetermined storage condition, wherein the first predetermined storage condition is used for indicating the reliability of a current Bluetooth transmission environment; adjusting a first predetermined encoding compression ratio of the transmitted audio data to a second predetermined encoding compression ratio if the first predetermined storage condition is not met, wherein the second predetermined encoding compression ratio is greater than the first predetermined encoding compression ratio; transmitting the audio data in accordance with the second predetermined encoding compression ratio. Themethod dynamically adjusts the bitpool value of the SBC according to the state of the stored audio data, thereby achieving the stable and continuous transmission of the audio data when the Bluetoothtransmission environment is unreliable, it is ensured that a user does not feel the sound jamming phenomenon, the performance of a Bluetooth device is improved, and better user experience is obtained.

The invention provides a real-time streaming media data transmission method. The real-time streaming media data transmission method is applied to a CDN formed by connecting a publishing server, a transit server and a watching server in a communication mode. The method comprises the steps that the publishing server receives streaming media data published by a client terminal of a publisher; when the publishing server, the transit server and the watching server receive streaming data requests, and target streaming media data are forwarded to a requester if the target streaming media data exist locally. According to the real-time streaming media data transmission method, a user can quickly obtain real-time streaming media data for playing, and the delay time of real-time streaming media transmission is effectively shortened.

The invention discloses energy source coordination control equipment and a distributed type energy source control system, wherein the energy source coordination control equipment comprises a task receiving unit for receiving an electric energy proportioning task sent by a regulation platform, a task parsing unit for converting the electric energy proportioning task into production control commands of electric energy equipment in each energy source sub-systems, and a task issuing unit for issuing the production control commands to the corresponding electric energy equipment. According to the energy source coordination control equipment and the distributed type energy source control system, the independent energy source coordination control equipment makes the transmitted data continuous and uninterrupted, is capable of guaranteeing stable and reliable transmission of data links and has a function of controlling the sudden load change of the energy source; in case of a fault, the normal operating of the energy source system can be guaranteed according to control strategies.

The invention discloses a heterogeneous network baton handover method supporting M2M (Machine to Machine) communication. A network is formed by a CDMA (Code Division Multiple Access) network system and an LTE (Long Term Evolution) network system. The method comprises the following steps of: when an M2M gateway needs to be carried out with handover, firstly carrying out hard handover on the CDMA network, and enabling the LTE network to bear all business data before handover; after the completion of a handover process of the CDMA network, redialing, and carrying out handover on the LTE network, wherein the CDMA network is responsible for all service flows before the handover of the LTE network; and after the completion of the handover of the LTE network, redistributing the service flows. The CDMA and the LTE adopt hard handover, and compared with soft handover, the waste of a large amount of channel resources is reduced. The baton handover method ensures continuity of business transmission in a handover process, so as to solve the problem that business is interrupted in the hard handover process.

A roadway wireless video communication base station relates to a roadway wireless video communication base suitable for underground and solves the problems that a communication line in a mining area is worn, smashed and broken and is hard to recover, and a video signal for communication transmission is interrupted due to slope changing points and roadway corners. The base station comprises a receiver (1), a changeover switch (2) and a transmitter (3), wherein the receiver comprises a receiving antenna (11), a high-frequency amplifier (12), a frequency mixer (13), a middle-frequency amplifier (14), a broadband frequency discriminator (15) and a video amplifier (16); the changeover switch (2) has two connecting modes, wherein one connecting mode is that the changeover switch (2) is connected to an A position to communicate the input end of the transmitter (3); and the other connecting mode is that the changeover switch (2) is connected to a B position to communicate an audio/video interface (22); the transmitter (3) comprises a video amplifier (31), a voltage controlled amplifier (32), a power amplifier (33) and a transmitting antenna (34); and a ground dispatching center can monitor the position and the environmental parameter (gas) change of mining and digging machinery in the mining area through a video on a real-time basis so as to keep continuous and smooth video communication line.

The invention belongs to a technology of flight test telemetering and real-time monitoring, relates to technologies such as a multichannel telemetering data real-time transmission technology, a data fusion technology and an optimum source selection technology, and particularly relates to a multichannel PCM optimum source selection control method. along with the increasingly high importance of a telemetering real-time monitoring technology in the aspects of ensuring the test flight safety and improving the test flight efficiency, how to ensure the telemetering data to be accurately transmitted and received in real time becomes a problem which needs to be solved immediately especially in complex and risky test flight subjects in ultra-low altitude, large-airspace and the like. Preferential selection is performed on telemetering signals of multiple telemetering sites by using the multichannel PCM optimum source selection control method, thereby intelligently switching to output of the optimum PCM data stream, effectively integrating multichannel PCM data into a PCM data stream, expanding the telemetering airspace while improving the telemetering data quality, and ensuring stable and continuous transmission of the telemetering signals.