JPS5671166A - Optical reader - Google Patents

Optical reader

Info

Publication number
JPS5671166A
JPS5671166A JP14658279A JP14658279A JPS5671166A JP S5671166 A JPS5671166 A JP S5671166A JP 14658279 A JP14658279 A JP 14658279A JP 14658279 A JP14658279 A JP 14658279A JP S5671166 A JPS5671166 A JP S5671166A
Authority
JP
Japan
Prior art keywords
background plate
reflection light
background
slice level
generating circuit
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.)
Granted
Application number
JP14658279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6138514B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Masashi Kushibiki
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 JP14658279A priority Critical patent/JPS5671166A/ja
Publication of JPS5671166A publication Critical patent/JPS5671166A/ja
Publication of JPS6138514B2 publication Critical patent/JPS6138514B2/ja
Granted legal-status Critical Current

Links

JP14658279A 1979-11-14 1979-11-14 Optical reader Granted JPS5671166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14658279A JPS5671166A (en) 1979-11-14 1979-11-14 Optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14658279A JPS5671166A (en) 1979-11-14 1979-11-14 Optical reader

Publications (2)

Publication Number Publication Date
JPS5671166A true JPS5671166A (en) 1981-06-13
JPS6138514B2 JPS6138514B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-08-29

Family

ID=15410951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14658279A Granted JPS5671166A (en) 1979-11-14 1979-11-14 Optical reader

Country Status (1)

Country Link
JP (1) JPS5671166A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816373A (ja) * 1981-07-20 1983-01-31 Amano Corp タイムレコ−ダ−等用カ−ド読取装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816373A (ja) * 1981-07-20 1983-01-31 Amano Corp タイムレコ−ダ−等用カ−ド読取装置

Also Published As

Publication number Publication date
JPS6138514B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-08-29

Similar Documents

Publication Publication Date Title
JPS569763A (en) Beam recording device
JPS55142254A (en) Inspecting method for pattern of printed wiring board
JPS5671166A (en) Optical reader
JPS5376055A (en) Method of position detection
JPS5318337A (en) Optical reader unit
JPS5413784A (en) Semiconductor photo detector
JPS535632A (en) Electrophotographic imaging element
JPS53125044A (en) Semiconductor laser scanner
JPS544024A (en) Optical character reader
JPS5375768A (en) Size check pattern
JPS5378855A (en) Polygonal jewery identifying device
JPS5669505A (en) Laser position detecting device
JPS5349906A (en) Solid state scanner
JPS5434262A (en) Detector of moving objects
JPS542771A (en) Position setting apparatus of moving objects
JPS5322321A (en) Bar-code discriminating unit
JPS545745A (en) Optical scanning system
JPS5338918A (en) Converter unit of low picture element density
JPS5315017A (en) Facsimile equipment
JPS53115494A (en) Fuel particle distribution measurement of nuclear fuel compact
JPS5611307A (en) Spin type solar sensor
JPS5336134A (en) Readomg system
JPS53108794A (en) Photo detector
JPS53134451A (en) Scanner
JPS5437521A (en) Optical scanner