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. 31, 1996
Filed:
Mar. 31, 1995
Anil R Duggal, Schenectady, NY (US);
Christopher P Yakymyshyn, Raleigh, NC (US);
General Electric Company, Schenectady, NY (US);
Abstract
An ultrasound/vibration detector array includes an electrically pumped vertical cavity surface emitting laser (VCSEL) array. The cavity length of each laser or pixel of the array is modulated by the acoustic field at the point where the acoustic field contacts the pixels. The resulting laser output is frequency modulated by the acoustic field. This modulation is converted to amplitude modulation at the detector head and then either detected with a charge-coupled-device (CCD) array with the information being electrically communicated to the signal processing assembly or sent directly by optical fiber to the signal processing assembly for processing. This ultrasound/vibration detector array provides high frequency bandwidth detection, fine spatial resolution, and minimal electric cabling.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile