The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 24, 1976

Filed:

Nov. 29, 1974
Applicant:
Inventors:

Shinichi Iki, Sagamihara, JA;

Hideaki Kosugi, Yokohama, JA;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
179 / ;
Abstract

Control pulses of highest positive level, clock pulses of negative middle level and reset pulses of lowest negative level are transmitted through one or more transmission lines. Separation of those pulses in the receiver is performed by means of simple rectifiers connected to the transmission lines. In both transmitter and receiver, binary counters and decimal decoders are utilized for repeatedly producing channel pulse sequences.


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