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:
Aug. 18, 1981
Filed:
Dec. 06, 1979
Applicant:
Inventor:
Margie M Nicholson, San Marino, CA (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
1791 / ; 179138 ; 455614 ;
Abstract
A dichroic transducer is disclosed including a light source, a film containing a dichroic material in the path of the light beam and an acoustic information-containing wave, and a detector in the path of the modulated light beam for detecting the intensity thereof. The detector may preferably be a fiber optics pickup device.