Title:
LIGHT-QUANTITY DETECTING DEVICE, AND LIGHT-QUANTITY INFORMATION PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/001523
Kind Code:
A1
Abstract:
Disclosed is a light-quantity detecting device (1) comprising: a photoelectric conversion element (10) for converting the quantity of light inputted, into an electric current; a current-voltage converting means (100) including a positive input terminal (In+) connected with the first terminal (P-terminal) of the photoelectric conversion element, a negative input terminal (In-) connected with the second terminal (N-terminal) of the photoelectric conversion element, a negative output terminal (Out-) for reversing the polarity of an electric current inputted to the positive input terminal, to output same as a voltage, a positive output terminal (Out+) for reversing the polarity of an electric current inputted to the negative input terminal, to output same as a voltage, a first negative-feedback resistor connected between the positive input terminal and the negative output terminal, and a second negative-feedback resistor connected between the negative input terminal and the positive output terminal, thereby to zero-bias the photoelectric conversion element and to convert the converted current into a voltage; and an amplifying means (300) for amplifying the converted voltage.
Inventors:
TATEISHI KIYOSHI (JP)
HANADA YOSHIHIRO (JP)
NAKAMURA MICHIAKI (JP)
HANADA YOSHIHIRO (JP)
NAKAMURA MICHIAKI (JP)
Application Number:
PCT/JP2009/062051
Publication Date:
January 06, 2011
Filing Date:
July 01, 2009
Export Citation:
Assignee:
PIONEER CORP (JP)
PIONEER MICRO TECHNOLOGY CORP (JP)
TATEISHI KIYOSHI (JP)
HANADA YOSHIHIRO (JP)
NAKAMURA MICHIAKI (JP)
PIONEER MICRO TECHNOLOGY CORP (JP)
TATEISHI KIYOSHI (JP)
HANADA YOSHIHIRO (JP)
NAKAMURA MICHIAKI (JP)
International Classes:
G01J1/44; H01L31/10
Foreign References:
| JPH079251T | ||||
| JPS63185208A | 1988-07-30 | |||
| JP2001004444A | 2001-01-12 | |||
| JPS57133325A | 1982-08-18 | |||
| JPH0287709A | 1990-03-28 | |||
| JPS52142513A | 1977-11-28 |
Attorney, Agent or Firm:
EGAMI, Tatsuo et al. (JP)
Tatsuo Egami (JP)
Tatsuo Egami (JP)
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