Title:
SOLID-STATE IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/125859
Kind Code:
A1
Abstract:
This solid-state imaging device has: a first substrate; a second substrate; a pixel unit at which a plurality of pixels having a photoelectric conversion element and generating a pixel signal are disposed in a matrix; and an A/D conversion unit that is disposed for each one or plurality of columns of the pixels and that tallies a count clock for a period of time that is in accordance with the magnitude of the pixel signal. The A/D conversion unit has: a plurality of counter units that are provided to one of either the first substrate or the second substrate and that generate a count signal having n bits (n being a natural number that is 2 or greater) by tallying the count clock; a plurality of memory units that are provided to the other of either the first substrate or the second substrate, hold the count signal, and output the held count signal to a plurality of horizontal signal forwarding lines; and a connection unit that connects each of the plurality of counter units to a corresponding one of the plurality of memory units, and simultaneously forwards the count signal from at least two of the counter units to at least two of the memory units.
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Inventors:
TANAKA TAKANORI (JP)
Application Number:
PCT/JP2014/050637
Publication Date:
August 21, 2014
Filing Date:
January 16, 2014
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
H04N5/374; H01L27/14; H01L27/146; H04N5/335; H04N5/378
Foreign References:
| JP2011071958A | 2011-04-07 | |||
| JP2012151613A | 2012-08-09 | |||
| JP2013110566A | 2013-06-06 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Sumio Tanai (JP)
Sumio Tanai (JP)
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