JP2006285013A5 - - Google Patents

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JP2006285013A5
JP2006285013A5 JP2005106208A JP2005106208A JP2006285013A5 JP 2006285013 A5 JP2006285013 A5 JP 2006285013A5 JP 2005106208 A JP2005106208 A JP 2005106208A JP 2005106208 A JP2005106208 A JP 2005106208A JP 2006285013 A5 JP2006285013 A5 JP 2006285013A5
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sensor
reference unit
circuit
pixels
output
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JP2005106208A
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Japanese (ja)
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JP2006285013A (en
JP5032750B2 (en
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Priority to JP2005106208A priority Critical patent/JP5032750B2/en
Priority claimed from JP2005106208A external-priority patent/JP5032750B2/en
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Publication of JP2006285013A5 publication Critical patent/JP2006285013A5/ja
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Publication of JP5032750B2 publication Critical patent/JP5032750B2/en
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Claims (6)

光電変換素子を有する画素がそれぞれ複数配列された基準部と参照部を有し、位相差を検出するＡＦセンサにおいて、
前記基準部と参照部から出力される信号を個別のチャンネルの出力回路に出力し、前記各出力回路は、互いに隣接して配置され、前記各出力回路は、前記基準部及び参照部の画素からの出力を基準電圧でクランプするクランプ回路を有し、前記各出力回路に含まれる各クランプ回路に対して前記基準電圧を供給するバイアス供給回路を共通化していることを特徴とするＡＦセンサ。 In an AF sensor that has a standard part and a reference part in which a plurality of pixels each having a photoelectric conversion element are arranged and detects a phase difference,
The signals output from the reference unit and the reference unit are output to output circuits of individual channels, the output circuits are arranged adjacent to each other, and the output circuits are connected to the pixels of the reference unit and the reference unit. An AF sensor comprising: a clamp circuit that clamps the output of the reference voltage with a reference voltage; and a common bias supply circuit that supplies the reference voltage to each clamp circuit included in each output circuit. 前記各出力回路は、基準部又は参照部の一方に配列された遮光画素の黒レベル信号を出力する回路として兼用されることを特徴とする請求項１に記載のＡＦセンサ。   2. The AF sensor according to claim 1, wherein each of the output circuits is also used as a circuit that outputs a black level signal of a light-shielded pixel arranged in one of a standard part or a reference part. 前記複数の画素は、ラインセンサ又はエリアセンサとして配列されていることを特徴とする請求項１に記載のＡＦセンサ。   The AF sensor according to claim 1, wherein the plurality of pixels are arranged as a line sensor or an area sensor. 前記複数の画素はエリアセンサとして配列されており、前記基準部と参照部の各撮像領域のそれぞれに対して、水平駆動回路、垂直転送回路及び垂直シフトレジスタを具備することを特徴とする請求項１に記載のＡＦセンサ。   The plurality of pixels are arranged as an area sensor, and each pixel has a horizontal drive circuit, a vertical transfer circuit, and a vertical shift register for each imaging region of the reference unit and the reference unit. The AF sensor according to 1. 前記複数の画素はラインセンサとして配列されており、前記基準部と参照部のそれぞれに対して、垂直転送回路及び垂直シフトレジスタを具備することを特徴とする請求項１に記載のＡＦセンサ。   The AF sensor according to claim 1, wherein the plurality of pixels are arranged as a line sensor, and each of the reference unit and the reference unit includes a vertical transfer circuit and a vertical shift register. 請求項１乃至５のいずれか１項に記載のＡＦセンサを具備することを特徴とするカメラ。   A camera comprising the AF sensor according to claim 1.
JP2005106208A 2005-04-01 2005-04-01 AF sensor and camera using the same Expired - Fee Related JP5032750B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005106208A JP5032750B2 (en) 2005-04-01 2005-04-01 AF sensor and camera using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005106208A JP5032750B2 (en) 2005-04-01 2005-04-01 AF sensor and camera using the same

Publications (3)

Publication Number Publication Date
JP2006285013A JP2006285013A (en) 2006-10-19
JP2006285013A5 true JP2006285013A5 (en) 2010-12-02
JP5032750B2 JP5032750B2 (en) 2012-09-26

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JP2005106208A Expired - Fee Related JP5032750B2 (en) 2005-04-01 2005-04-01 AF sensor and camera using the same

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5266704B2 (en) * 2007-10-01 2013-08-21 株式会社ニコン Solid-state imaging device
JP2014016382A (en) 2012-07-05 2014-01-30 Sony Corp Solid state image pickup device, electronic equipment and method for pixel read-out

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3847858B2 (en) * 1996-09-27 2006-11-22 キヤノン株式会社 Area image sensor accumulation control device, focus detection device using the same, and camera
JP2002142149A (en) * 2000-11-06 2002-05-17 Mega Chips Corp Picture processing circuit
JP4280446B2 (en) * 2002-01-29 2009-06-17 キヤノン株式会社 Solid-state imaging device and imaging device using the same
JP2004120015A (en) * 2002-09-20 2004-04-15 Ricoh Co Ltd Imaging apparatus
JP4333290B2 (en) * 2003-09-04 2009-09-16 株式会社ニコン Black level correction device and electronic camera

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