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Patent Searching and Data


Title:
RECEIVING SYSTEM
Document Type and Number:
Japanese Patent JPS51150210
Kind Code:
A
Abstract:
1497197 Data transmission INTERNATIONAL BUSINESS MACHINES CORP 26 April 1976 [9 June 1975] 16814/76 Heading H4P A data transmission system includes a transmitter for transmitting data at one of a plurality of discrete speeds to a receiver capable of operating at any one of said plurality of speeds, the transmitter including means for transmitting a set of repeating signals (Figs. 4 to 7, not shown), with each data message, the number of repeating signals in a set being different at each of said speeds, and said receiver including a counter for detecting the number of recurrences of repeating signals in the set and decoding means connected to the counter for recognizing particular counts unique to one of said speeds, and speed select means connected to said decoding means for adjusting the speed at which the receiver operates on said message.

Inventors:
TOOMASU EI HENDORIKUSON
Application Number:
JP5677076A
Publication Date:
December 23, 1976
Filing Date:
May 19, 1976
Export Citation:
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Assignee:
IBM
International Classes:
H03M7/00; H04L5/14; H04L7/00; H04L25/49; H04L12/42; H04L27/18; H04L29/08; (IPC1-7): H04B1/00; H04L23/00