JPS5411756A - Photo a/d converter - Google Patents

Photo a/d converter

Info

Publication number
JPS5411756A
JPS5411756A JP7651777A JP7651777A JPS5411756A JP S5411756 A JPS5411756 A JP S5411756A JP 7651777 A JP7651777 A JP 7651777A JP 7651777 A JP7651777 A JP 7651777A JP S5411756 A JPS5411756 A JP S5411756A
Authority
JP
Japan
Prior art keywords
photo
converter
signals
coding
converting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7651777A
Other languages
Japanese (ja)
Inventor
Yasunori Kanazawa
Toshihiko Namekawa
Tadashi Murata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7651777A priority Critical patent/JPS5411756A/en
Publication of JPS5411756A publication Critical patent/JPS5411756A/en
Pending legal-status Critical Current

Links

Landscapes

  • Analogue/Digital Conversion (AREA)

Abstract

PURPOSE: To make possible higher speed without receiving electronic circuit restrictions and simplify circuit constitution by classifying luminance changes to quantizing levels, detecting photo signals corresponding to these and converting and coding the signals to binary notation.
COPYRIGHT: (C)1979,JPO&Japio
JP7651777A 1977-06-29 1977-06-29 Photo a/d converter Pending JPS5411756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7651777A JPS5411756A (en) 1977-06-29 1977-06-29 Photo a/d converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7651777A JPS5411756A (en) 1977-06-29 1977-06-29 Photo a/d converter

Publications (1)

Publication Number Publication Date
JPS5411756A true JPS5411756A (en) 1979-01-29

Family

ID=13607456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7651777A Pending JPS5411756A (en) 1977-06-29 1977-06-29 Photo a/d converter

Country Status (1)

Country Link
JP (1) JPS5411756A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04299616A (en) * 1991-03-27 1992-10-22 Mitsubishi Electric Corp Isolation type high speed a/d converter
JP2007024924A (en) * 2005-07-12 2007-02-01 Sony Corp Optical analog/digital conversion system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04299616A (en) * 1991-03-27 1992-10-22 Mitsubishi Electric Corp Isolation type high speed a/d converter
JP2007024924A (en) * 2005-07-12 2007-02-01 Sony Corp Optical analog/digital conversion system

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