JPS5433740A - Optical reader - Google Patents

Optical reader

Info

Publication number
JPS5433740A
JPS5433740A JP9999677A JP9999677A JPS5433740A JP S5433740 A JPS5433740 A JP S5433740A JP 9999677 A JP9999677 A JP 9999677A JP 9999677 A JP9999677 A JP 9999677A JP S5433740 A JPS5433740 A JP S5433740A
Authority
JP
Japan
Prior art keywords
optical reader
reading
scanning
improve
purpose
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
JP9999677A
Inventor
Takaaki Okamoto
Chuji Suzuki
Shigeo Terajima
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 JP9999677A priority Critical patent/JPS5433740A/en
Publication of JPS5433740A publication Critical patent/JPS5433740A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE:To improve the reading performance of bar codes at a reading and scanning aperture by radially scanning an optical beam at a varying angle.
JP9999677A 1977-08-19 1977-08-19 Optical reader Pending JPS5433740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9999677A JPS5433740A (en) 1977-08-19 1977-08-19 Optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9999677A JPS5433740A (en) 1977-08-19 1977-08-19 Optical reader

Publications (1)

Publication Number Publication Date
JPS5433740A true JPS5433740A (en) 1979-03-12

Family

ID=14262227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9999677A Pending JPS5433740A (en) 1977-08-19 1977-08-19 Optical reader

Country Status (1)

Country Link
JP (1) JPS5433740A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62260467A (en) * 1986-04-23 1987-11-12 Polaroid Corp Method of printing copy of original picture electronically
JPH0372312A (en) * 1989-08-11 1991-03-27 Fujitsu Ltd Optical scanner
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
US5796091A (en) * 1993-11-24 1998-08-18 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis
US5844227A (en) * 1993-11-24 1998-12-01 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with scan-head directed projection axis for intuitive hand-supported omnidirectional scanning of bar code symbols within a narrowly confined scanning volume extending thereabout
US5942743A (en) * 1994-08-17 1999-08-24 Metrologic Instruments, Inc. Portable automatic hand-supportable omnidirectional laser projection scanner with power conserving control system
US6286760B1 (en) 1994-08-17 2001-09-11 Metrologic Instruments, Inc. Automatic hand-supportable laser projection scanner for omni-directional reading of bar code symbols within a narrowly confined scanning volume
US6604684B1 (en) 1993-11-24 2003-08-12 Metrologic Instruments Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
US6860427B1 (en) 1993-11-24 2005-03-01 Metrologic Instruments, Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151539A (en) * 1974-05-27 1975-12-05
JPS51133045A (en) * 1975-05-14 1976-11-18 Tokyo Electric Co Ltd Light scanning device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151539A (en) * 1974-05-27 1975-12-05
JPS51133045A (en) * 1975-05-14 1976-11-18 Tokyo Electric Co Ltd Light scanning device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62260467A (en) * 1986-04-23 1987-11-12 Polaroid Corp Method of printing copy of original picture electronically
JPH0372312A (en) * 1989-08-11 1991-03-27 Fujitsu Ltd Optical scanner
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
US5796091A (en) * 1993-11-24 1998-08-18 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis
US5844227A (en) * 1993-11-24 1998-12-01 Metrologic Instruments, Inc. Automatic hand-supportable omnidirectional laser projection scanner with scan-head directed projection axis for intuitive hand-supported omnidirectional scanning of bar code symbols within a narrowly confined scanning volume extending thereabout
US6604684B1 (en) 1993-11-24 2003-08-12 Metrologic Instruments Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
US6860427B1 (en) 1993-11-24 2005-03-01 Metrologic Instruments, Inc. Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume
US5942743A (en) * 1994-08-17 1999-08-24 Metrologic Instruments, Inc. Portable automatic hand-supportable omnidirectional laser projection scanner with power conserving control system
US6286760B1 (en) 1994-08-17 2001-09-11 Metrologic Instruments, Inc. Automatic hand-supportable laser projection scanner for omni-directional reading of bar code symbols within a narrowly confined scanning volume

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