JPS55115164A - Optical information reader - Google Patents

Optical information reader

Info

Publication number
JPS55115164A
JPS55115164A JP2186979A JP2186979A JPS55115164A JP S55115164 A JPS55115164 A JP S55115164A JP 2186979 A JP2186979 A JP 2186979A JP 2186979 A JP2186979 A JP 2186979A JP S55115164 A JPS55115164 A JP S55115164A
Authority
JP
Japan
Prior art keywords
read
bar code
signal
image
surface
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.)
Granted
Application number
JP2186979A
Other versions
JPS6110873B2 (en
Inventor
Kazukiyo Takano
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP54021869A priority Critical patent/JPS6110873B2/ja
Publication of JPS55115164A publication Critical patent/JPS55115164A/en
Publication of JPS6110873B2 publication Critical patent/JPS6110873B2/ja
Application status is Expired legal-status Critical

Links

Abstract

PURPOSE: To enable to read in with the bar code incoming to any slope of the weight carrying surface, by forming the image of read-in body on the photo electric conversion surface of two dimensional photo diode.
CONSTITUTION: When the read-in body sticked on the commodity or larggage 1 moves on the laggage carrying surface 12 such as conveyor, the bar code 2 is made to the bar code image 4 with the lens 3 through the read-in opening. The two dimensional photo diode image sensor 5 is located on the surface of the bar code image 4, video signal is picked up as electric signal, this sensor 5 is driven with the address indicated with the control circuit 7 by the drive current 6 so that the signal 12 can be picked up, the code signal converted into electric signal is amplified at the amplifier 9 and outputted at the output terminal 8 via the control circuit 7 and stored in ROM11, enabling to read in the bar code 2 in any direction.
COPYRIGHT: (C)1980,JPO&Japio
JP54021869A 1979-02-28 1979-02-28 Expired JPS6110873B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54021869A JPS6110873B2 (en) 1979-02-28 1979-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54021869A JPS6110873B2 (en) 1979-02-28 1979-02-28

Publications (2)

Publication Number Publication Date
JPS55115164A true JPS55115164A (en) 1980-09-04
JPS6110873B2 JPS6110873B2 (en) 1986-03-31

Family

ID=12067124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54021869A Expired JPS6110873B2 (en) 1979-02-28 1979-02-28

Country Status (1)

Country Link
JP (1) JPS6110873B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61235319A (en) * 1985-04-10 1986-10-20 Kooa Denshi Kogyo Kk Automatic sorting device for articles
JPS6385991A (en) * 1986-09-30 1988-04-16 Tokyo Electric Co Ltd Bar code reader
US5530233A (en) * 1994-06-30 1996-06-25 Symbol Technologies, Inc. Bar code scanner with quasi-retroreflective light collection
US5591952A (en) * 1989-03-01 1997-01-07 Symbol Technologies Bar code reader
WO1997008647A1 (en) * 1995-08-25 1997-03-06 Psc, Inc. Optical reader with condensed cmos circuitry
US5677522A (en) * 1993-07-21 1997-10-14 Sensis Corporation Method and apparatus for non-contact reading of a relief pattern
US6173894B1 (en) 1996-08-23 2001-01-16 Psc Inc. Optical reader with addressable pixels

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61235319A (en) * 1985-04-10 1986-10-20 Kooa Denshi Kogyo Kk Automatic sorting device for articles
JPS6385991A (en) * 1986-09-30 1988-04-16 Tokyo Electric Co Ltd Bar code reader
US5591952A (en) * 1989-03-01 1997-01-07 Symbol Technologies Bar code reader
US5677522A (en) * 1993-07-21 1997-10-14 Sensis Corporation Method and apparatus for non-contact reading of a relief pattern
US5530233A (en) * 1994-06-30 1996-06-25 Symbol Technologies, Inc. Bar code scanner with quasi-retroreflective light collection
GB2308267B (en) * 1995-08-25 2000-06-28 Psc Inc Optical reader with imaging array having reduced pattern density
GB2308267A (en) * 1995-08-25 1997-06-18 Psc Inc Optical reader with condensed CMOS circuitry
WO1997008647A1 (en) * 1995-08-25 1997-03-06 Psc, Inc. Optical reader with condensed cmos circuitry
US6152368A (en) * 1995-08-25 2000-11-28 Psc Inc. Optical reader with addressable pixels
US6155488A (en) * 1995-08-25 2000-12-05 Psc Inc. Optical reader with adaptive exposure control
US6276605B1 (en) 1995-08-25 2001-08-21 Psc, Inc. Optical reader with condensed CMOS circuitry
US6230975B1 (en) 1995-08-25 2001-05-15 Psc, Inc. Optical reader with adaptive exposure control
US6311895B1 (en) 1995-08-25 2001-11-06 Psc, Inc. Optical reader with condensed CMOS circuitry
US6173894B1 (en) 1996-08-23 2001-01-16 Psc Inc. Optical reader with addressable pixels

Also Published As

Publication number Publication date
JPS6110873B2 (en) 1986-03-31

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