JPS51130126A - Mark detector - Google Patents

Mark detector

Info

Publication number
JPS51130126A
JPS51130126A JP50054283A JP5428375A JPS51130126A JP S51130126 A JPS51130126 A JP S51130126A JP 50054283 A JP50054283 A JP 50054283A JP 5428375 A JP5428375 A JP 5428375A JP S51130126 A JPS51130126 A JP S51130126A
Authority
JP
Japan
Prior art keywords
mark detector
stabilized
light source
temperature
photoelectric converter
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
JP50054283A
Other languages
Japanese (ja)
Other versions
JPS544206B2 (en
Inventor
Kenzo Tsuji
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP50054283A priority Critical patent/JPS51130126A/en
Publication of JPS51130126A publication Critical patent/JPS51130126A/en
Publication of JPS544206B2 publication Critical patent/JPS544206B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: Stabilized mark detection irrespective of the light source, the temperature of photoelectric converter element, and the secular change.
COPYRIGHT: (C)1976,JPO&Japio
JP50054283A 1975-05-08 1975-05-08 Mark detector Granted JPS51130126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50054283A JPS51130126A (en) 1975-05-08 1975-05-08 Mark detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50054283A JPS51130126A (en) 1975-05-08 1975-05-08 Mark detector

Publications (2)

Publication Number Publication Date
JPS51130126A true JPS51130126A (en) 1976-11-12
JPS544206B2 JPS544206B2 (en) 1979-03-03

Family

ID=12966223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50054283A Granted JPS51130126A (en) 1975-05-08 1975-05-08 Mark detector

Country Status (1)

Country Link
JP (1) JPS51130126A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937285A (en) * 1972-08-14 1974-04-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4937285A (en) * 1972-08-14 1974-04-06

Also Published As

Publication number Publication date
JPS544206B2 (en) 1979-03-03

Similar Documents

Publication Publication Date Title
JPS5323553A (en) Encoder circu it
JPS5424096A (en) Carbon monoxide detector
JPS51130299A (en) A gas detector which has selectirity of detectingas
JPS53116792A (en) Semiconductor light emitting-photo detecting composite device
JPS529267A (en) Slip detector
JPS51130126A (en) Mark detector
JPS5319546A (en) Reference voltage source circuit
JPS5238980A (en) Temperature detection device
JPS52153483A (en) Temperature detector
JPS5361298A (en) Photoelectric smoke detector
JPS52101097A (en) Gas sensor element
JPS5283652A (en) Benzanthrone derivatives
JPS51126886A (en) Non contacting temperature detection device
JPS5224559A (en) Electromagnetic type mold level detector
JPS51118996A (en) Material detector
JPS52149172A (en) Detector for photosensitive substance
JPS52152252A (en) Heat meterial detector
JPS51118465A (en) Optical distance detector
JPS5220091A (en) Solid electrolyte oxygen detecting device
JPS51151192A (en) Smoke or gas density detector
JPS5226059A (en) Furnace-heat securing device
JPS5220750A (en) Carrier wave detector circuit
JPS51123639A (en) Detecting device for the brightness of a field view
JPS5241928A (en) Flame detector
JPS5367498A (en) Gas detector