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:
Dec. 22, 1987
Filed:
Jul. 25, 1986
Applicant:
Inventor:
Keiji Ishizuka, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
329 50 ; 329104 ; 329137 ; 329145 ; 375 82 ; 375 84 ; 375 94 ;
Abstract
A differential phase shift keying demodulator for demodulating a signal modulated by differential phase shift keying is arranged to compare the modulated signal with a delayed modulated signal at different points of time within a period required for transmitting one bit of data.
Quick Actions:
Ishizuka, Keiji. (1987). Differential phase shift keying demodulator (U.S. Patent No. 4714892). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4714892
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