Excavating
Patent
1981-06-15
1984-02-14
Smith, Jerry
Excavating
178 2R, 178 4, 178 23A, G06F 1100, G08C 2500
Patent
active
044320906
ABSTRACT:
The disclosure concerns a communication system for line printers, such as teleprinter equipment, via high-quality radio communications. The repetition of the signals received mutilated takes place per line of signals at the end of a number of lines. The transmitter for the system comprises a counter from which the line number is fed to the transmitter during the line printer return or the line feed period up to the end of the page or the message. The receiver detects which lines have been received mutilated and registers their line numbers. Then the request for repetition of the numbered mutilated lines is made at the end of each message and at the end of each page of the message, if the message is longer than a page, for example, 32 lines.
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Western Union Technical Review, "Automatic Telegraph Switching System Plan 55-A," Western Union Telegraph Co., 1958.
Harkcom Gary V.
Kirk Hugh Adam
Smith Jerry
Staat der Nederlanden (Staatsbedrijf der Posterijen, Telegraphie
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