Patent
Time division multiplexing
Elliot Nestle,Robert F Schunneman +1 more
- 06 Mar 1969
25
TL;DR: In this paper, a fixed wired program has logic connections to the processor, core memory, multiplexor control unit and clock and has fixed program instruction blocks to control the operation of the multiplexer control unit, to determine the start of a character and to then control the strobing of the input serial data in the core memory.
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Abstract: Digital time division multiplexing system and method for multiplexing and demultiplexing between serial data from a plurality of data lines and data in the form of parallel characters. Individual data line units are operable for loading and unloading data and a multiplexor control unit controls in sequence groups of the data line units. A processor controls input serial data flow from each data line unit through a buss and the processor into core memory. A fixed wired program has logic connections to the processor, core memory, multiplexor control unit and clock and has fixed program instruction blocks to control the operation of the multiplexor control unit, to determine the start of a character and to then control the strobing of the input serial data in the core memory.
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Citations
Patent
Communication multiplexer module
Wendell A. Law,William G. Barrett,Norman F. Priebe,Harry Dearman Wise +3 more
- 11 Apr 1975
TL;DR: In this article, a communications multiplexer module (CMM) assembles serial by bit data from a plurality of input ports into parallel-by-bit characters before transmitting them to a host computer.
89
Patent
Variable message length data acquisition and retrieval system and method using two-way coaxial cable
TL;DR: In this paper, a control computer is connected via a coaxial cable to a plurality of remote terminals, each of which is equipped with several input-output devices which operate at different speeds.
65
Optical fibre laser velocimetry: a review
TL;DR: In this article, the use of optical fibres in point-wise laser velocimetry techniques such as laser transit anemometry, as well as in planar measurement techniques is reviewed.
54
Patent
Automatic self-test system for a digital multiplexed telecommunication system
Robert Lavan Ashlock,Carl Eskil Gabrielson,Douglas Peter Kerr,Debitsudo Jiyon Rasumusen,Theodore Michael Stump,Charles Wellington Thode +5 more
- 05 Nov 1980
TL;DR: In this article, an automatic self-test apparatus for use in a digital multiplexed communication system and self-testing idle circuitry coupled to idle telephone lines is presented, which utilizes a tone generator which generates digital words describing an analog test signal and a detector which detects digital data on the internal data bus which describes this self test analog signal.
26
Patent
Multichannel time division multiplexed trunk transmission link
Frank S. Gutleber
- 27 Dec 1983
TL;DR: In this article, a multichannel time division multiplexed (TDM) bit stream has specific channels selected by gating selected channel bits out of a composite group of channels, which are then used to modulate a transmitter for communicating the codes over a transmission link.
24
References
Patent
Data multiplexing system
Albert A Magdall,Elliott R Marsh,Francis R Rausch +2 more
- 06 Apr 1964
29
Patent
Input/output control for a digital computing system
Erwin A Hauck
- 03 Jun 1966
TL;DR: In a computer system, an associative memory containing peripheral unit designators is used to address a buffer memory, data being transferred between the buffer memory and a peripheral unit as discussed by the authors.
28
Patent
Sampling multiplexer with program control
Robert W Herman,Harry V Hilker +1 more
- 18 Sep 1962
10