JPS5553775A - Optical reading device - Google Patents

Optical reading device

Info

Publication number
JPS5553775A
JPS5553775A JP12823178A JP12823178A JPS5553775A JP S5553775 A JPS5553775 A JP S5553775A JP 12823178 A JP12823178 A JP 12823178A JP 12823178 A JP12823178 A JP 12823178A JP S5553775 A JPS5553775 A JP S5553775A
Authority
JP
Japan
Prior art keywords
light
window
article
detected
confirm whether
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
JP12823178A
Other languages
Japanese (ja)
Other versions
JPS603235B2 (en
Inventor
Shigeo Terajima
Takaaki Okamoto
Shoichi Yasuda
Masahiro Horii
Kimio Yatsunami
Yoshihiko Iwamoto
Seiji Amazaki
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 JP53128231A priority Critical patent/JPS603235B2/en
Publication of JPS5553775A publication Critical patent/JPS5553775A/en
Publication of JPS603235B2 publication Critical patent/JPS603235B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To secure a easy detection and reading even for the sundry articles by distributing two sets of the light emission device and two sets of the light reception device in opposition centering on the scanning window and then irradiating the scanning beam to each of the light reception devices.
CONSTITUTION: Light emission elements 8' and 9' plus light reception elements 8 and 9 are distributed on scanning window 6 and centering on window 6. Then article 7 is put at window 6, and element 8' is actuated to confirm whether the light from element 8' is detected at element 8 as well as to confirm whether the light from element 8' is detected at element 9 respectively. After this, the actuation of element 8' is stopped to actuate element 9' in order to confirm whether element 8 detects the light from element 9' as well as confirm whether the light from element 9 was detected at element 9. In such way, the light sent from elements 8' and 9' are confirmed at elements 8 and 9 each. And in case no scanning light is confirmed, it is judged that article 7 is put at window 6. Thus the laser generator is actuated to read out the bar code information stuck to article 7. As a result, even a sundry article can be detected and read out in an easy way.
COPYRIGHT: (C)1980,JPO&Japio
JP53128231A 1978-10-17 1978-10-17 optical reader Expired JPS603235B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53128231A JPS603235B2 (en) 1978-10-17 1978-10-17 optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53128231A JPS603235B2 (en) 1978-10-17 1978-10-17 optical reader

Publications (2)

Publication Number Publication Date
JPS5553775A true JPS5553775A (en) 1980-04-19
JPS603235B2 JPS603235B2 (en) 1985-01-26

Family

ID=14979727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53128231A Expired JPS603235B2 (en) 1978-10-17 1978-10-17 optical reader

Country Status (1)

Country Link
JP (1) JPS603235B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185056U (en) * 1981-05-13 1982-11-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57185056U (en) * 1981-05-13 1982-11-24

Also Published As

Publication number Publication date
JPS603235B2 (en) 1985-01-26

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