Title:
SENSOR DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
Japanese Patent JP2012147255
Kind Code:
A
Abstract:
To provide a sensor device and an electronic apparatus that are free of malfunction due to external ambient light such as sunlight.
In a sensor device 1, an ADC 2 outputs to one input of a comparison circuit 3 second data in the form of a digital value ADCOUT depending on a current Iin-I1, which is the result of a subtraction of a current I1 from a current Iin providing a differential current, which is larger than a threshold Data_th.
Inventors:
INOUE TAKAHIRO
KAWABE ISAMU
KAWABE ISAMU
Application Number:
JP2011004169A
Publication Date:
August 02, 2012
Filing Date:
January 12, 2011
Export Citation:
Assignee:
SHARP KK
International Classes:
H03K17/78; G03B7/00; H03M1/12
Domestic Patent References:
| JPS59202731A | 1984-11-16 | |||
| JPH05327616A | 1993-12-10 | |||
| JPH03141028A | 1991-06-17 | |||
| JP2001160756A | 2001-06-12 | |||
| JPS63193382U | 1988-12-13 | |||
| JPH03123120A | 1991-05-24 |
Attorney, Agent or Firm:
Kenzo Hara International Patent Office
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