Title:
IMAGE PICKUP DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/087522
Kind Code:
A1
Abstract:
This image pickup device is provided with: a first temperature detection element 16 that detects temperature on the basis of infrared light; a second temperature detection element 17 for temperature reference; and a drive circuit 10A that comprises a switch circuit 101 comprising a butterfly switch circuit, a first current source 82A, a second current source 82B, a differential amplifier 83, and an analog-digital conversion circuit 84. The first temperature detection element 16 and the second temperature detection element 17 are respectively connected to a first input end section 101A and a second input end section 101B of the switch circuit, a first output end section 101C and a first current source 82A are connected to a first input end section 83A of the differential amplifier, a second output end section 101D and the second current source 82B of the switch circuit are connected to a second input end section 83B of the differential amplifier, and an output end section 83C of the differential amplifier is connected to an input section of the analog-digital conversion circuit 84.
Inventors:
HOSAKA HAJIME (JP)
NITTA YOSHIKAZU (JP)
OKUMURA KENICHI (JP)
NITTA YOSHIKAZU (JP)
OKUMURA KENICHI (JP)
Application Number:
PCT/JP2018/030358
Publication Date:
May 09, 2019
Filing Date:
August 15, 2018
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G01J1/02; G01J5/02; G01J5/10; G01J5/48; H03M1/12; H04N5/33; H04N5/357; H04N5/374; H04N5/378
Domestic Patent References:
| WO2011013197A1 | 2011-02-03 | |||
| WO2018042850A1 | 2018-03-08 |
Foreign References:
| JP2007180773A | 2007-07-12 | |||
| JP2006174041A | 2006-06-29 | |||
| JP2005241501A | 2005-09-08 | |||
| JP2012202832A | 2012-10-22 | |||
| JP2014072723A | 2014-04-21 | |||
| JP2013217655A | 2013-10-24 | |||
| US20140085482A1 | 2014-03-27 |
Attorney, Agent or Firm:
YAMAMOTO Takahisa et al. (JP)
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