JPS53133454A - Photoelectric detector - Google Patents

Photoelectric detector

Info

Publication number
JPS53133454A
JPS53133454A JP4888277A JP4888277A JPS53133454A JP S53133454 A JPS53133454 A JP S53133454A JP 4888277 A JP4888277 A JP 4888277A JP 4888277 A JP4888277 A JP 4888277A JP S53133454 A JPS53133454 A JP S53133454A
Authority
JP
Japan
Prior art keywords
photoelectric detector
drift
decrease
storing
prevent
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
JP4888277A
Other languages
Japanese (ja)
Inventor
Tetsuo Umeda
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4888277A priority Critical patent/JPS53133454A/en
Publication of JPS53133454A publication Critical patent/JPS53133454A/en
Pending legal-status Critical Current

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Landscapes

  • Mechanical Optical Scanning Systems (AREA)

Abstract

PURPOSE: To prevent the decrease in read performance by storing the drift correction value owing to the drift marks measured beforehand thereafter performing detection by light scanning.
COPYRIGHT: (C)1978,JPO&Japio
JP4888277A 1977-04-26 1977-04-26 Photoelectric detector Pending JPS53133454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4888277A JPS53133454A (en) 1977-04-26 1977-04-26 Photoelectric detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4888277A JPS53133454A (en) 1977-04-26 1977-04-26 Photoelectric detector

Publications (1)

Publication Number Publication Date
JPS53133454A true JPS53133454A (en) 1978-11-21

Family

ID=12815646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4888277A Pending JPS53133454A (en) 1977-04-26 1977-04-26 Photoelectric detector

Country Status (1)

Country Link
JP (1) JPS53133454A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150150U (en) * 1982-03-30 1983-10-07 日本電気株式会社 Barcode reader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150150U (en) * 1982-03-30 1983-10-07 日本電気株式会社 Barcode reader
JPS6234360Y2 (en) * 1982-03-30 1987-09-02

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