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:
Jan. 20, 1987
Filed:
Apr. 08, 1986
Applicant:
Inventor:
I-Cheng Chang, Sunnyvale, CA (US);
Assignee:
Itek Corporation, Beverly Hills, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; G02B / ;
U.S. Cl.
CPC ...
350372 ;
Abstract
An acoustic resonant structure for use in a tunable acousto-optic filter to reduce drive power requirements. The undesirable ripples in the tuning bandpass response due to acoustic resonance is minimized by reducing the effective finesse of the filter.