JPS6412384A - Optical information reader - Google Patents

Optical information reader

Info

Publication number
JPS6412384A
JPS6412384A JP62168284A JP16828487A JPS6412384A JP S6412384 A JPS6412384 A JP S6412384A JP 62168284 A JP62168284 A JP 62168284A JP 16828487 A JP16828487 A JP 16828487A JP S6412384 A JPS6412384 A JP S6412384A
Authority
JP
Japan
Prior art keywords
photodetector
unevenness
light
illuminating light
apply
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
JP62168284A
Other languages
English (en)
Inventor
Takao Tawara
Jun Aketo
Haruhiko Machida
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.)
OPTO ELECTRON KK
OPUTO ELECTRON KK
Original Assignee
OPTO ELECTRON KK
OPUTO ELECTRON KK
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 OPTO ELECTRON KK, OPUTO ELECTRON KK filed Critical OPTO ELECTRON KK
Priority to JP62168284A priority Critical patent/JPS6412384A/ja
Publication of JPS6412384A publication Critical patent/JPS6412384A/ja
Pending legal-status Critical Current

Links

JP62168284A 1987-07-06 1987-07-06 Optical information reader Pending JPS6412384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62168284A JPS6412384A (en) 1987-07-06 1987-07-06 Optical information reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62168284A JPS6412384A (en) 1987-07-06 1987-07-06 Optical information reader

Publications (1)

Publication Number Publication Date
JPS6412384A true JPS6412384A (en) 1989-01-17

Family

ID=15865166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62168284A Pending JPS6412384A (en) 1987-07-06 1987-07-06 Optical information reader

Country Status (1)

Country Link
JP (1) JPS6412384A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01153733A (ja) * 1987-12-11 1989-06-15 Toppan Printing Co Ltd 引裂き容易なフィルム及び積層体の製造方法
JPH0528293A (ja) * 1991-07-22 1993-02-05 Alps Electric Co Ltd 光学読取装置
EP0564708A2 (en) * 1992-04-06 1993-10-13 Yoshida, Hirokazu Decoding method of two-dimensional code symbol mark
US5291008A (en) * 1992-01-10 1994-03-01 Welch Allyn, Inc. Optical assembly and apparatus employing same using an aspherical lens and an aperture stop
WO1996009596A1 (fr) * 1994-09-19 1996-03-28 Sumitomo Electric Industries, Ltd. Lecteur de code a barres

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154570A (ja) * 1984-08-23 1986-03-18 Nippon Electric Ind Co Ltd 光源拡散フイルタを用いたバ−コ−ドリ−ダ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154570A (ja) * 1984-08-23 1986-03-18 Nippon Electric Ind Co Ltd 光源拡散フイルタを用いたバ−コ−ドリ−ダ

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01153733A (ja) * 1987-12-11 1989-06-15 Toppan Printing Co Ltd 引裂き容易なフィルム及び積層体の製造方法
JPH0528293A (ja) * 1991-07-22 1993-02-05 Alps Electric Co Ltd 光学読取装置
US5291008A (en) * 1992-01-10 1994-03-01 Welch Allyn, Inc. Optical assembly and apparatus employing same using an aspherical lens and an aperture stop
EP0564708A2 (en) * 1992-04-06 1993-10-13 Yoshida, Hirokazu Decoding method of two-dimensional code symbol mark
EP0564708A3 (ja) * 1992-04-06 1994-04-06 Teiryo Sangyo Kk
WO1996009596A1 (fr) * 1994-09-19 1996-03-28 Sumitomo Electric Industries, Ltd. Lecteur de code a barres
US5852288A (en) * 1994-09-19 1998-12-22 Sumitomo Electric Industries, Ltd. Bar code scanning apparatus

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