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:
Jul. 27, 1976
Filed:
Aug. 21, 1974
Applicant:
Inventors:
Yasuhiro Hideshima, Tokyo, JA;
Masakatsu Toyoshima, Tokyo, JA;
Assignee:
Sony Corporation, Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
325 37 ; 325 47 ; 325 61 ; 325391 ; 343228 ;
Abstract
An information transmitting system including a transmitter and at least one receiver. The transmitter includes a modulator which is modulated by a first control signal intermittently, and whose center frequency is changed continuously in response to a second control signal. The receiver is provided with a frequency discriminator which demodulates the first and second control signals and the first control signal is applied as a first remotely controllable signal in digital fashion and the second control signal is applied as a second remotely controllable signal in analog fashion in the receiver.