Title:
TIME-OF-FLIGHT SENSOR, TIME-OF-FLIGHT SYSTEM AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/131887
Kind Code:
A1
Abstract:
A time-of-flight device comprises a pixel array including an array of pixel circuits, wherein a column of the array includes: a first pixel circuit including a first photodiode, a first capacitor and a second capacitor coupled to the first photodiode, and a second pixel circuit including a second photodiode, a third capacitor and a fourth capacitor coupled to the second photodiode, a first signal line coupled to the first capacitor, a second signal line coupled to the second capacitor, a third signal line coupled to the third capacitor, a fourth signal line coupled to the fourth capacitor, a first switch circuitry, a second switch circuitry, a first comparator coupled to the first signal line and the third signal line through the first switch circuitry, and a second comparator coupled to the second signal line and the fourth signal line through the second switch circuitry.
Inventors:
NAKAGAWA KEI (JP)
ZEITUNI GOLAN (US)
VEIG ZVIKA (US)
ZEITUNI GOLAN (US)
VEIG ZVIKA (US)
Application Number:
PCT/JP2020/046675
Publication Date:
July 01, 2021
Filing Date:
December 15, 2020
Export Citation:
Assignee:
SONY GROUP CORP (JP)
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G01S7/4863; G01S7/487; G01S17/894; H01L27/146; H01L27/148
Foreign References:
| US20190081095A1 | 2019-03-14 | |||
| US20170276789A1 | 2017-09-28 | |||
| US20100283881A1 | 2010-11-11 |
Attorney, Agent or Firm:
MARUSHIMA, Toshikazu (JP)
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