Invention Grant
- Patent Title: Low-noise, high dynamic-range image sensor
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Application No.: US16197270Application Date: 2018-11-20
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Publication No.: US10652493B2Publication Date: 2020-05-12
- Inventor: John Ladd , Michael Guidash , Craig M. Smith , Thomas Vogelsang , Jay Endsley , Michael T. Ching , James E. Harris
- Applicant: Rambus Inc.
- Applicant Address: US CA Sunnyvale
- Assignee: Rambus Inc.
- Current Assignee: Rambus Inc.
- Current Assignee Address: US CA Sunnyvale
- Agent Charles Shemwell
- Main IPC: H04N5/3745
- IPC: H04N5/3745 ; H04N5/378 ; H03M1/56 ; H04N5/365 ; H04N5/355 ; H04N5/335 ; H04N5/357 ; H04N5/369

Abstract:
A sequence of control voltage levels are applied to a control signal line capacitively coupled to a floating diffusion node of a pixel to sequentially adjust a voltage level of the floating diffusion node. A pixel output signal representative of the voltage level of the floating diffusion node is compared with a reference voltage to identify a first control voltage level of the sequence of control voltage levels for which the voltage level of the floating diffusion node exceeds the reference voltage.
Public/Granted literature
- US20190166321A1 LOW-NOISE, HIGH DYNAMIC-RANGE IMAGE SENSOR Public/Granted day:2019-05-30
Information query
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