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Patent Searching and Data


Matches 401 - 450 out of 803

Document Document Title
JPH11284587A
To improve the availability of a communication channel by providing the communication channel with a speech channel, a connection control channel and a link establishment control channel respectively independently. This communication cha...  
JPH11262393A
To provide a method for identifying an agonist and an antagonist, concerning tumor necrosis-related receptors TR1, TR3 and TR5, by contacting a candidate compound with each of TR1, TR3, and TR5, in the presence of ligand TL3. followed by...  
JPH11261623A
To effectively use band width, which can be used in a radio communication network and which is restricted by giving band width by on-demand and efficiently deciding a transmission level required for up link data transmitting between resp...  
JPH11251979A
To enhance transmission speed and to miniaturize a device with a simple constitution in a distribution line carrier device using an FSK signal modem. This device has a general purpose digital signal processor (general purpose DSP) 19 pro...  
JP2933893B2
To increase the number of transmission channels without enlarging a time slot number per frame by switching a carrier frequency for each frame and terminating the changeover of a frequency if a halt judgement reference is satisfied. The ...  
JP2931231B2  
JPH11215192A
To make it possible to divide a packet into small packets and to retransmit them even when error correction of an automatic repeat request(ARQ) of a selective repeat(SR) system is performed by providing the packet with a retransmission i...  
JPH11509057A
(57) Multiplexer-channel modulator for transmission of the telephone emission in a summary wide band communications system. A filter receives the data stream by which the telephone information on the form of I and a Q signal ingredient w...  
JP2927897B2  
JP2911609B2  
JP2904133B2  
JPH11154933A
To increase the transmission efficiency drastically by increasing the number of combination patterns of code words that are available in one communication unit consisting of pluralities of time slots. A primary modulation matrix of a com...  
JPH11103284A
To provide a time slot allocating method capable of more effectively managing channel capacity. The method is used for allocating time slots in a system provided with plural subscriber's equipments NT connected to a center HUB through co...  
JPH11103280A
To permit the reception and utilization of information in an HTML format at an FM broadcasting receiver by performing error correcting processing to use a redundant code with a data format and error correction or error detection to use a...  
JP2882177B2  
JP2882176B2  
JP11088283A
To completely optically execute compression, packet formation, extension or restoration through the use of the spectrum dimension of an optical area by forming a converted input signal showing amplitude modulation according to an input s...  
JP11041213A
To transmit the digital data of an asymmetrical shape at an increased transmitting speed by transmitting the incoming-information via an incoming, transmitting the video data, the acoustic data and the digital data such as the external i...  
JPH10336122A
To eliminate noises and discontinuity of data caused by unnecessary data interpolation when data is interpolated to prevent data slip due to the deviation of more than one different sampling frequencies. This device has a signal processi...  
JPH10336135A
To form a signal where compression is released and to release the compression of a pulse by means of a whole optical system by superimposing q-number of delay auxiliary signals where an auxiliary signal is delayed on the q-number of auxi...  
JPH10336084A
To execute a larger number of simultaneous connecting processings while suppressing the rising of a cost and keeping a communication quality by providing a control means, etc., controlling a switch means and an interchanging means so as ...  
JP2833879B2
PURPOSE: To simply and surely detect a signal by providing two filters, a comparator circuit, a decision circuit, a time protection circuit and a function for utilizing its output signal as a suppression signal and a band stop signal to ...  
JPH10322302A
To allow a tuner to simultaneously receive broadcast radio waves at different frequency bands. Data P are blocked at a prescribed time interval and compressed on time base at the prescribed time interval at a circuit 10a. The compressed ...  
JP2824014B2
PURPOSE: To improve transmission delay characteristics by utilizing a tone signal at a different frequency as a request signal. CONSTITUTION: Frequencies f1-f4 and the tone signal for request with a slot number (k) are assigned to miniat...  
JP2820191B2  
JP2816598B2  
JP2816349B2
A master station communicates with the main network, whilst a set of mobile or fixed sub stations of voice or data users share the channel using time division multiplexing. The number of time division channels available depends on the qu...  
JP2815853B2  
JPH10262016A
To prevent useless dial operations by broadcasting the presence or absence of the plural idle information channels via a control channel of an outgoing channel and selecting at random plural control channels to access them via a terminal...  
JP2804258B2
To send data with high reliability at a high speed by using adaptively a frequency hopping(FH) system or a multi-frequency shift keying(MFSK) system depending on the operating state of a channel. When a reception signal from a transmissi...  
JPH10242931A
To provide a radio transmission method capable of flexibly coping with a frequency plan and a radio resource to be used for a local network. A comparatively wide frequency band is divided into a plurality of carrier frequency ranges, i.e...  
JP2790039B2
PURPOSE: To provide an optical network capable of handling signals of different transmission speed. CONSTITUTION: Time division multiplexing devices 2-1 to 2-n perform time division multiplexes for plural input signals inputted in parall...  
JPH10200548A
To perform plural communications that have different routes by switching to communication that uses a 2nd communication frame in response to a communication request from a 2nd communication device, continuing communication that is perfor...  
JP2781762B2  
JP2780630B2
PURPOSE: To form the signal multiplex transmission system in which an identification signal is sent in a time slot only used for sending a main signal with respect to the signal multiplex transmission system where an analog signal such a...  
JP2777841B2  
JP2777194B2  
JPH10507335A
(57) A summary 濾波高速 Fourier Torrance multiplexer (216) divides multi-channel signal transmission into the signal transmission of a single channel by concatenation of a filter (304, 314, 348, 354, 360, 366, 404*418) and a mixer (6...  
JPH10506738A
(57) a summary air disk (80), Two or more broadcasting frequency similar to the track on a disk is covered, TDMA/FDMA (Time Division Multiple Access / Frequency-Division-Multiplexing access) wireless broadcasting divided into the time-sl...  
JPH10174173A
To enable two kinds of bidirectional simultaneous call transmission at least with prescribed band width by enabling the simultaneous multiplex use of frequency inside an applied network and using low-speed digital voice coding. The recei...  
JP2762983B2  
JP2758848B2
PURPOSE: To shorten time required for the line allocation of a call designating a specified line. CONSTITUTION: A radio communication controller 100, a moving station 101 and a moving station 102 are provided. The radio communication con...  
JPH10136021A
To provide a system for eliminating the partial overlap of packets and controlling the transmission of a moving station by means of a base station and a radio packet transmission system for compensating an attribute which the moving stat...  
JPH10107810A
To decrease the frequency band required for data communication and to allow a receiver side station to reproduce an original data stream faithfully. In the digital communication system where data communication is conducted between a base...  
JPH1098456A
To recycle the most of existent network infrastructure by selecting one of code modulators in accordance with at least one piece of transmission channel identification information in a message. A device 38 for receiving the message is pr...  
JP2738385B2
To provide a communication equipment with a small scale whose band width is variable in the frequency division multiplex communication. In a multiplexer at a transmitter side, an A/D converter 3 converts each channel signal into a digita...  
JPH1084299A
To simplify the circuit configuration by designing circuits for each mode provided for transmission/reception purposes in common in the time division multiplex dual mode/dual band radio equipment. In the case of receiving a frequency div...  
JPH1084584A
To allow the communication equipment to adjust a protocol by providing an operator entry means, an output means, a transceiver section, an adaptive circuit including a 2nd adaptive branch different from a 1st adaptive branch and a micro-...  
JPH1079690A
To send data with high reliability at a high speed by using adaptively a frequency hopping(FH) system or a multi-frequency shift keying(MFSK) system depending on the operating state of a channel. When a reception signal from a transmissi...  
JP2729332B2  

Matches 401 - 450 out of 803