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JPS5433739A - Optical reader - Google Patents

Optical reader

Info

Publication number
JPS5433739A
JPS5433739A JP9999577A JP9999577A JPS5433739A JP S5433739 A JPS5433739 A JP S5433739A JP 9999577 A JP9999577 A JP 9999577A JP 9999577 A JP9999577 A JP 9999577A JP S5433739 A JPS5433739 A JP S5433739A
Authority
JP
Japan
Prior art keywords
optical reader
reading
scanning
verying
angle
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
JP9999577A
Other languages
Japanese (ja)
Inventor
Shigeo Terajima
Takaaki Okamoto
Chuji Suzuki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP9999577A priority Critical patent/JPS5433739A/en
Publication of JPS5433739A publication Critical patent/JPS5433739A/en
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)

Abstract

PURPOSE:To improve the reading performance of bar codes at a reading and scanning aperture by radially scanning an optical beam at a verying angle.
JP9999577A 1977-08-19 1977-08-19 Optical reader Pending JPS5433739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9999577A JPS5433739A (en) 1977-08-19 1977-08-19 Optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9999577A JPS5433739A (en) 1977-08-19 1977-08-19 Optical reader

Publications (1)

Publication Number Publication Date
JPS5433739A true JPS5433739A (en) 1979-03-12

Family

ID=14262203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9999577A Pending JPS5433739A (en) 1977-08-19 1977-08-19 Optical reader

Country Status (1)

Country Link
JP (1) JPS5433739A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61120283A (en) * 1984-11-16 1986-06-07 Nippon Electric Ind Co Ltd Optical reader of bar code
US5216232A (en) * 1990-09-10 1993-06-01 Metrologic Instruments, Inc. Projection laser scanner producing a narrow scan volume
US5286961A (en) * 1990-05-23 1994-02-15 Tokyo Electric Co., Ltd. Bar code reader producing two groups of vertical scan lines and two groups of inclined scan lines on a plane normal to the read window

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51133045A (en) * 1975-05-14 1976-11-18 Tokyo Electric Co Ltd Light scanning device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51133045A (en) * 1975-05-14 1976-11-18 Tokyo Electric Co Ltd Light scanning device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61120283A (en) * 1984-11-16 1986-06-07 Nippon Electric Ind Co Ltd Optical reader of bar code
US5286961A (en) * 1990-05-23 1994-02-15 Tokyo Electric Co., Ltd. Bar code reader producing two groups of vertical scan lines and two groups of inclined scan lines on a plane normal to the read window
US5216232A (en) * 1990-09-10 1993-06-01 Metrologic Instruments, Inc. Projection laser scanner producing a narrow scan volume

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Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050906

A313 Final decision of rejection without a dissenting response from the applicant

Free format text: JAPANESE INTERMEDIATE CODE: A313

Effective date: 20060116

A02 Decision of refusal

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Effective date: 20060221