Invention Application
US20150326803A1 AD CONVERTER, SIGNAL PROCESSING METHOD, SOLID-STATE IMAGING DEVICE, AND ELECTRONIC APPARATUS
审中-公开
AD转换器，信号处理方法，固态成像装置和电子装置
- Patent Title: AD CONVERTER, SIGNAL PROCESSING METHOD, SOLID-STATE IMAGING DEVICE, AND ELECTRONIC APPARATUS
- Patent Title (中): AD转换器，信号处理方法，固态成像装置和电子装置
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Application No.: US14798111Application Date: 2015-07-13
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Publication No.: US20150326803A1Publication Date: 2015-11-12
- Inventor: Kyoichi Kanagawa
- Applicant: SONY CORPORATION
- Priority: JP2013-119933 20130606
- Main IPC: H04N5/359
- IPC: H04N5/359 ; H04N5/3745 ; H04N5/378
Abstract:
Provided is an AD converter including a first AD converting unit in which pixel columns of a pixel array are divided into at least two groups, and that compares a first ramp signal and a first pixel signal output from a first group of the pixel columns and performs AD conversion on the first pixel signal; and a second AD converting unit that compares a second ramp signal and a second pixel signal output from a second group of the pixel columns and performs AD conversion on the second pixel signal, in which the first ramp signal is a signal of which a level is decreased with a constant slope over time in a D-phase period for detecting a signal level of a pixel signal, and the second ramp signal is a signal of which a level is increased with a constant slope over time in the D-phase period.
Public/Granted literature
- US09894299B2 Ad converter, signal processing method, solid-state imaging device, and electronic apparatus Public/Granted day:2018-02-13
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