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.:

US 7884986 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 08, 2011

Filed:

Sep. 26, 2007
Applicants:

Kenichi Murakami, Mie, JP;

Nobuaki Asai, Gifu, JP;

Inventors:

Kenichi Murakami, Mie, JP;

Nobuaki Asai, Gifu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical scanning device is provided with a scanning unit including an oscillating element which is elastically and rotatably supported so as to rotatably oscillate, a light beam incident on the scanning unit being deflected to scan as the oscillating element oscillates, a scanning signal generating unit which generates a scanning signal, the scanning signal including a sawtooth wave part and a corrective wave part which is formed based on a resonance frequency intrinsic to the scanning unit, and a driving unit which drives the scanning unit to oscillate the oscillating element in accordance with the scanning signal.


Find Patent Forward Citations

Murakami, Kenichi. (2011). Optical scanning device, optical scanning display device, and optical scanning method (U.S. Patent No. 7884986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7884986

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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