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:
Apr. 06, 1976
Filed:
Jul. 10, 1974
Applicant:
Inventor:
Yasuhiro Hideshima, Tokyo, JA;
Assignee:
Sony Corporation, Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H03K / ; H03B / ;
U.S. Cl.
CPC ...
325 37 ; 178D / ; 325 39 ; 325142 ; 325392 ; 343228 ;
Abstract
A system for transmitting information and accomplishing control including a transmitter and at least one receiver in which the transmitter produces an ultrasonic wave or an electrical signal and includes a circuit for modulating the ultrasonic wave or electrical signal as a function of a time interval indicative of the control signal. The modulation is varied as an exponential function so as to assure more accurate reception and decoding of the intelligence by the receiver.