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:
Jun. 05, 2007
Filed:
May. 02, 2005
Yukio Sato, Yokohama, JP;
Moriyasu Ichino, Yokohama, JP;
Yukio Sato, Yokohama, JP;
Moriyasu Ichino, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Sumitomo Electric Industries Ltd., Osaka-shi, JP;
Abstract
A current voltage converter circuit includes a light receiving element which receives a light output from a laser and generates a light current according to the light output, a current distributor circuit which distributes the light current from the light receiving element, the current distributor circuit being configured of a current mirror circuit which includes a transistor pair and a first operating amplifier. The current voltage converter circuit further includes a voltage converter circuit which converts a current distributed by the current distributor circuit into a voltage, the voltage converter circuit including a second operating amplifier.