JPS6223910B2 - - Google Patents

Info

Publication number
JPS6223910B2
JPS6223910B2 JP54171052A JP17105279A JPS6223910B2 JP S6223910 B2 JPS6223910 B2 JP S6223910B2 JP 54171052 A JP54171052 A JP 54171052A JP 17105279 A JP17105279 A JP 17105279A JP S6223910 B2 JPS6223910 B2 JP S6223910B2
Authority
JP
Japan
Prior art keywords
circuit
voltage
brightness
diode
mark
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.)
Expired
Application number
JP54171052A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5696376A (en
Inventor
Tetsuro Suma
Juji Isobe
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP17105279A priority Critical patent/JPS5696376A/ja
Publication of JPS5696376A publication Critical patent/JPS5696376A/ja
Publication of JPS6223910B2 publication Critical patent/JPS6223910B2/ja
Granted legal-status Critical Current

Links

JP17105279A 1979-12-28 1979-12-28 Mark reading circuit Granted JPS5696376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17105279A JPS5696376A (en) 1979-12-28 1979-12-28 Mark reading circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17105279A JPS5696376A (en) 1979-12-28 1979-12-28 Mark reading circuit

Publications (2)

Publication Number Publication Date
JPS5696376A JPS5696376A (en) 1981-08-04
JPS6223910B2 true JPS6223910B2 (OSRAM) 1987-05-26

Family

ID=15916180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17105279A Granted JPS5696376A (en) 1979-12-28 1979-12-28 Mark reading circuit

Country Status (1)

Country Link
JP (1) JPS5696376A (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219152A (en) * 1979-02-21 1980-08-26 International Business Machines Corporation Dual threshold comparator circuit

Also Published As

Publication number Publication date
JPS5696376A (en) 1981-08-04

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