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. 26, 1983
Filed:
Jan. 14, 1981
Applicant:
Inventor:
Peter D Steensma, Midland Park, NJ (US);
Assignee:
International Telephone and Telegraph Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03B / ; H03B / ;
U.S. Cl.
CPC ...
307529 ; 328 14 ; 328 18 ;
Abstract
The frequency synthesizer to generate a selected, adjustable discrete frequency output signal comprises a pair of acoustic means, a circuit to excite one of the pair of acoustic means with pulses having a given repetition frequency and to excite the other of the pair of acoustic means by the pulses after being delayed a given variable amount, and a frequency mixer coupled to each of the pair of acoustic menas to provide the selected discrete frequency output signal. Several embodiments of the acoustic means are disclosed.