|
Match
|
Document |
Document Title |
|
|
7623554 |
Multiplexing device, a demultiplexing device, and a multiplexing/demultiplexing system
The invention relates to a multiplexing device comprising a data compressor. The compressed data block leaving said compressor occupies a particular bandwidth. According to the invention, a...
|
|
|
7561852 |
Integrated multimode radio and components thereof
An integrated multimode radio includes a multimode receiver and a multimode transmitter. The multimode receiver includes a shared receiver front-end, a receiver multiplexor, and a plurality of...
|
|
|
7436856 |
Method for transmitting voice data packets
A method for transmitting digital voice data packets between voice data inputs of a plurality of channels (A B, C, D) and a transmitter comprises the following steps: compressing the voice data...
|
|
|
7412208 |
Transmission system for transmitting RF signals, power and control signals via RF coaxial cables
A transmission system for RF signals, power and control signals over RF coaxial cables is disclosed. A coaxial cable line interconnects two devices, such as an instrument and a remote coupler. A...
|
|
|
7369580 |
Amplitude limiting circuit and CDMA communication apparatus
An amplitude limiting circuit for limiting the amplitude of a signal input to a power amplifier includes an amplitude converter, determination unit, peak detector, window filter, delay circuit, and...
|
|
|
7356019 |
Method and apparatus for converting optical signals to radio channels
The invention relates to a conversion of a pulse modulated signal to a radio frequency signal enabling use of applications and protocols designed for wireless optical links on radio frequency...
|
|
|
7346119 |
System and method for high speed digital signaling
The present invention relates in general to a method, apparatus, and article of manufacture for providing high-speed digital communications through a communications channel. In one aspect, the...
|
|
|
7158576 |
Orthogonally-multiplexed orthogonal amplitude modulation method
An orthogonally-multiplexed orthogonally-amplitude-modulated (OMOAM) method is disclosed. The OMOAM signal is constituted by orthogonally multiplexing M component signals, each constructed by a...
|
|
|
7065167 |
Method and apparatus for constellation shaping
A method and apparatus is disclosed for facilitating high-speed data communication. In one embodiment a receiver is configured to include error correction coding in an interleaved environment to...
|
|
|
7027466 |
Multiplexer, demultiplexer and multiplex communication system
An optical multiplex communication system includes a multiplexer and a demultiplexer. In the multiplexer, one of two modulated optical pulse train signals is attenuated by an optical attenuator so...
|
|
|
7023809 |
Intelligent concentrator usage
The present invention relates to a computer network and a method for using the network The network and method employ powered multiplexing connection devices which electronically couple two or more...
|
|
|
6917654 |
Increased digital bandwidth carried on an analog signal cycle using a data structure
A communication system is disclosed that encodes multiple bits of digital data on a single analog signal cycle. The communication system includes a digital data encoding system that receives the...
|
|
|
6738173 |
Limiting amplifier modulator driver
Apparatus for driving an optical system modulator to modulate data signals onto a light wave of the optical system. The modulator driver apparatus has a limited amplifier for receiving multiplexed...
|
|
|
6711121 |
Orthogonal code division multiplexing for twisted pair channels
A plurality of data signals are separated into parallel bit streams with each parallel stream having a bandwidth characteristic such that the combined cumulative effect of all the individual...
|
|
|
6614814 |
Multiplexed signal demultiplexing device transmission error measuring device and transmission error measuring method
The transmission error measuring device comprises; a first counting circuit, a test data outputting circuit, a selecting circuit, a multiplexing circuit, a demultiplexing circuit, an arranging...
|
|
|
6560673 |
Fibre channel upgrade path
The present invention involves hierarchical storage controllers which enable a scalable storage system. The scalable storage system is capable of causing a very large amount of discrete disk units...
|
|
|
6356562 |
High-speed communications system for providing voice and data services
A high-speed communications system which permits high-speed communication services to be implemented with minimum modification to the existing communications facilities. A multiplexer/demultiplexer...
|
|
|
6188703 |
Multiplexer for multiple media streams
A multimedia terminal having a host processor, an audio and video encoder, a system time clock, and a multiplexer is provided. The encoders input elementary stream of data into the multiplexer. The...
|
|
|
4831621 |
Device for analog multiplexing by charge transfer devices
An analog multiplexing device using charge transfer devices has as many charge transfer multiplexing registers R'i as there are input signals, at the frequency F e , to be multiplexed, all of these...
|
|
|
4628493 |
Sensor system with time division multiplexing telemetry
A seismic array containing a large number of seismic sensors, which may be optical hydrophones, has successive sections, each of which contains a subarray of sensor channels, interconnected by a...
|
|
|
4473901 |
Self clocking sampled analog data transmission system
The transmission system of this invention provides for transmitting over a fiber-optic line serially sampled analog data from a plurality of channels. Each sampled analog signal has a interleaved...
|
|
|
4407020 |
Automatic compensation circuit and method
An automatic compensation circuit for use in a digital switching system. The circuit provides automatic compensation for each incoming channel of a pulse amplitude modulated (PAM) input signal. The...
|
|
|
4352179 |
Time domain multiplexing apparatus for multiple microphones
A multiplexer is employed for connecting a plurality of microphones and sending an encoded signal over a single line where it is then decoded, filtered and processed such as by amplification. The...
|
|
|
4191856 |
Analog multiplexer
Disclosed is an analog multiplexer in which a plurality of emitter follower differential amplifiers formed of several pairs of bipolar transistors connected in parallel with each other are...
|
|
|
4184052 |
AM/FM time division surface wave device transmitter
A device for sample modulating electronic information signals which includes mixing circuitry having a first input coupled to receive information signals, a second input for receiving electrical...
|
|
|
4161628 |
Technique for tracking amplitude fades for multi-amplitude signalling
Amplitude variations in a multi-amplitude transmission system are tracked by monitoring amplitude variations over a substantial data time span through the use of a technique in which the percentage...
|
|
|
4070650 |
Digital signal transmission system and equipment
A digital signal transmission system and equipment therefor in which digital signals sequentially sent out from an encoder side are compared with set values in each of comparators at a decoder...
|
|
|
4039948 |
Multi-channel differential pulse code modulation system
A multi-channel differential pulse code modulation system providing communication between a plurality of analog signal sources and corresponding signal sinks employing time shared differential...
|
|
|
4032720 |
Integrated demultiplexing circuit with continuously variable outputs
An integrated circuit has a shift register, driven by a source of clock pulses, for sequentially energizing each of a set of selectively activated switches. Each of the switches connects an analog...
|
|
|
3987249 |
System for addressed timemultiplexed telecommunication
A system for addressed time multiplexed telecommunication comprising subscribers apparatus whose address selector supplies voltage levels which in a central exchange are converted to binary form...
|
|
|
3979561 |
Level-code encoded multiplexer
Apparatus for multiplexing a large number of digital signals onto a few aog channels using a level code encoded multiplexer. Each digital signal to be multiplexed is assigned a unique reference...
|
|
|
3890472 |
Transparent time-division pulse-multiplex digital electric signal switching circuit arrangement
Bilevel or bistatic digital electric signals are transmitted directly through a time division multiplexing (TDM) switching component asynchronously of the TDM clocking pulse train. A pulse duration...
|
|
|
3851252 |
TIMING RECOVERY IN A DIGITALLY IMPLEMENTED DATA RECEIVER
Pulse amplitude modulated (PAM) receiver in which timing errors are corrected without requiring that the signal sampling operations of the receiver be synchronized with those of the transmitter....
|
|
|
3668657 |
AUTOMATION CONTROL SYSTEM
A pulse sampling multiplex system with analog capabilities including a modulating means necessary for direct recording on magnetic tape, an analog DC output, a direct DC output, an AC power output...
|
|
|
3665108 |
MULTIPLEXING SYSTEMS
A multiplexing system having high speed sampling capability, even in cases of high source impedance which would ordinarily cause errors which are a function of the source resistance and...
|
|
|
3663761 |
TIME DIVISION MULTIPLEX TRANSMISSION SYSTEM
A multiplex transmission device includes pulse timing generating apparatus for generating channel sampling pulses and group sampling pulses whereby the time slots of the lowest frequency group at...
|
|
|
3659054 |
SWITCHING ARRANGEMENT FOR TIME MULTIPLEX SYSTEMS HAVING MEANS FOR ELIMINATING SCANNING ERRORS DUE TO CARRIER RESIDUAL VOLTAGES AT THE SCANNING SWITCHES
A switching arrangement for time multiplex systems for eliminating scanning errors due to carrier residue voltages at the scanning switches, particularly where group compandering is employed,...
|
|
|
3571756 |
MODULATOR DEVICE
A pulse current modulator utilizes a pair of complementary transistors having interconnected collectors connected via a diode to an output load. The transistors are energized by an operating...
|
|
|
3535458 |
ANALOG MULTIPLEXING SYSTEM USING A SEPARATE COMPARATOR FOR EACH ANALOG INPUT
|
|
|
3505601 |
SAMPLED CLIPPED SPEECH TDM TRANSMISSION SYSTEM
|
|
|
3492432 |
PULSE AMPLITUDE MODULATION MULTIPLEX VIDEO TRANSMISSION SYSTEM
|
|
|
3470324 |
SYSTEM FOR THE TRANSMISSION OF INFORMATION BY CARRIER WAVES OVER A SINGLE CONDUCTOR
|
|
|
3435148 |
TIME DIVISION MULTIPLEX PULSE CODE MODULATION COMMUNICATION SYSTEM BY PULSE DISTRIBUTION TRANSMISSION
|
|
|
3406343 |
Pm/am multiplex communication
|
|
|
3388219 |
Active filters for electrical signalling systems
|
|
|
3337691 |
Multiplex digital communication system
|
|
|
3312783 |
Signal amplitude sequenced time division multiplex communication system
|
|
|
3303287 |
Subscriber's line equipment for timedivision telephone concentrator
|
|
|
3273128 |
Frequency multiplexing circuit
|
|
|
3261920 |
Asynchronous pulse multiplexing
|