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.

Date of Patent:
Dec. 29, 2015

Filed:

Mar. 05, 2013
Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

Tsutomu Kurihara, Tokyo, JP;

Motoi Kimura, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); H04N 5/74 (2006.01); H04N 9/31 (2006.01); H01S 5/042 (2006.01); H01S 5/026 (2006.01);
U.S. Cl.
CPC ...
H04N 5/74 (2013.01); H01S 5/0261 (2013.01); H01S 5/042 (2013.01); H04N 9/3129 (2013.01); H04N 9/3155 (2013.01); H04N 9/3161 (2013.01);
Abstract

Disclosed herein is a laser driving circuit, including: a plurality of laser driving video current generation circuits configured to generate a plurality of kinds of laser driving current for driving a plurality of laser light sources configured to emit laser light having wavelengths different from each other based on an inputted video signal; a high frequency superposition section configured to superpose a high frequency signal having a frequency higher than a frequency band of the video signal on the laser driving current generated by the laser driving video current generation circuits; and a waveform correction section configured to correct a waveform of the high frequency signal.


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