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:
Nov. 16, 1982
Filed:
Oct. 30, 1980
Applicant:
Inventor:
George D Haville, Little Rock, AR (US);
Assignee:
BEI Electronics, Inc., Little Rock, AR (US);
Primary Examiner:
Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
328 20 ; 307271 ;
Abstract
A frequency multiplying circuit for producing double frequency sine and cosine output signals sin 2x and cos 2x from sine and cosine input signals sin x and cos x, comprising two multiplier circuits, each having an output e.sub.0 and four inputs a.sub.1, a.sub.2, b.sub.1 and b.sub.2 and being adapted to perform multiplication in accordance with the following relation: