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.
Patent No.:
Date of Patent:
Sep. 01, 1981
Filed:
Aug. 15, 1979
Hiroya Nakamura, Kunitachi, JP;
Yasuhide Nishida, Hachioji, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
A transmission-reception apparatus wherein signals are bidirectionally and mutually transmitted and received between a transmitter and a receiver using a single transmission line, characterized in that the input and output portions of the transmitter and the receiver are respectively equipped with bidirectional line drivers and with flip-flops that are set by signals received through the line drivers, are reset by signals transmitted through the line drivers and change over the line drivers to signal transmission and reception. Said receiver is equipped with a counter for counting the number of signal receptions, a decoder for decoding the output of the counter and means for discriminating the reception signals by means of the output of the decoder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile