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3843927 |
TIME MULTIPLEX TRANSMISSION SYSTEM
In a time multiplex transmission system of a large number of channels, particularly time multiplex telephone systems for satellite connections where connections are to be established between...
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3843843 |
A TIME DIVISION MULTIPLE ACCESS SYNCHRONIZATION TECHNIQUE
A transmitting station gains access to a time division multiple access communication system without interferring with existing system communications by transmitting frequency shift modulated narrow...
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3838221 |
TDMA SATELLITE COMMUNICATIONS SYSTEM HAVING SPECIAL REFERENCE BURSTS
In a satellite transponder communications system operating in a time division multiple access mode, each earth station transmits data in a burst format. All bursts within a single transponder frame...
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3836721 |
TIME MULTIPLEX COMMUNICATION SYSTEM FOR USE WITH A SPACE SATELLITE
The time of radiating information signals from a plurality of ground stations to a common satellite is regulated, as is the amount of radiated information, in order to prevent confusion of the...
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3825899 |
EXPANSION/COMPRESSION AND ELASTIC BUFFER COMBINATION
In a satellite transponder communications system operating in a time division multiple access mode, each earth station transmits data in a burst format. All bursts within a single transponder frame...
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3818453 |
TDMA SATELLITE COMMUNICATIONS SYSTEM
In a satellite transponder communications system operating in a time division multiple access mode, each earth station transmits data in a burst format. All bursts within a single transponder frame...
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3813496 |
TDMA BURSTS ACQUISITION SYSTEM
In a time division multiple access communication system, burst time acquisition is accomplished automatically and rapidly taking advantage of the known range to the satellite. When the transmitter...
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3806879 |
TDMA SATELLITE COMMUNICATION SYSTEM WITH MULTI-PCM FRAMES PER TDMA FRAME
In a satellite transponder communications system operating in a time division multiple access mode, each earth station transmits data in a burst format. All bursts within a single transponder frame...
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3789142 |
FRAME SYNCHRONIZATION TECHNIQUE FOR SATELLITE ON-BOARD SWITCHING SYSTEMS
Frame synchronization techniques for communications satellite systems employing spot-beam antennas and satellite on-board switching. An on-board switching matrix provides, as part of its switching...
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3787634 |
SYSTEM FOR CONTROLLING THE TRANSMIT TIME OF STATIONS WHICH ARE IN COMMUNICATION WITH ONE ANOTHER VIA A SATELLITE
This relates to timing control of message bursts in a TDMA communication satellite system. Each ground station stores information as to both its time slot of transmission and duration of...
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3778715 |
TDMA SATELLITE COMMUNICATIONS SYSTEM WITH RAPID AUTOMATIC RE-ENTRY FOLLOWING BRIEF OUTAGES OF EARTH STATION EQUIPMENT
In a satellite transponder communications system operating in a time division multiple access mode, each earth station transmits data in a burst format. All bursts within a single transponder frame...
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3777062 |
TRANSMISSION SYSTEM FOR A TIME-DIVISIONAL MULTIPLEX PSK SIGNAL
A transmission system for a time-divisional multiplex PSK signal including a frame synchronization signal in addition to information channel signals, in which the number of quantum phase positions...
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3772475 |
SATELLITE COMMUNICATIONS SYSTEM WITH SUPER FRAME FORMAT AND FRAME SEGMENTED SIGNALLING
In a TDMA (time division multiple access) satellite communications system, the individual frames, comprising bursts from all participating Earth stations, are grouped in a super frame which...
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3769587 |
SYNCHRONIZING SYSTEM FOR PHASE-MODULATION TELECOMMUNICATION SYSTEM
The burst acquisition time in a phase-modulated TDMA satellite communication system is reduced by means of a novel demodulator at a receiving station. The received carrier frequency is filtered out...
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3761814 |
TELECOMMUNICATION SYSTEM WITH TRANSMITTING STATIONS SELECTIVELY OPERABLE AS TEMPORARY REFERENCE STATIONS
A time-division-multiplex telecommunication system, with a multiplicity of ground stations communicating with one another via satellite, allocates to each ground station one or more subframes in a...
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3730998 |
TDMA SATELLITE COMMUNICATIONS SYSTEM WITH AN APERTURE WINDOW FOR ACQUISITION
In a satellite transponder communication system operating in a time division multiple access mode, each earth station transmits data in a burst format. All bursts within a single transponder frame...
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3649764 |
VARIABLE BURST LENGTH TDMA SYSTEM
In a time division multiple-access communications system using a satellite transponder and a plurality of earth stations, each earth station periodically transmits bursts of data which are timed so...
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3643031 |
TIME DIVISION MULTIPLEXING COMMUNICATION SYSTEM
A time division multiplexing communication system has a plurality of stations and a switching station. Two of the stations communicate with each other via the switching station by utilizing signals...
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3641274 |
SYNCHRONIZATION SYSTEM FOR COMMUNICATION INFORMATION IN PCM TIME DIVISION MULTIPLE ACCESS COMMUNICATION SYSTEM
A memory stores a unique word pattern and a predicted receiving time for each burst in a frame in a communication synchronization system of a time division multiple access communication system. A...
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3626295 |
TIME DIVISION MULTIPLEX COMMUNICATION SYSTEM
A time division multiple access communication system including earth stations and a satellite station wherein each earth station includes a paired transmitter and receiver for acquisition and burst...
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3564147 |
LOCAL ROUTING CHANNEL SHARING SYSTEM AND METHOD FOR COMMUNICATIONS VIA A SATELLITE RELAY
A demand assigned multiple access system provides for the sharing of satellite circuits by a large number of terrestrial users. Demand assignment of satellite circuits is especially useful and...
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3562432 |
SYNCHRONIZER FOR TIME DIVISION MULTIPLE ACCESS SATELLITE COMMUNICATION SYSTEM
This invention relates generally to time division multiple access satellite communication systems and, more particularly, to a synchronizer unit which controls the timing of burst transmissions...
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3566267 |
Title is not available
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