CA1147383A - Lecteur optique automatique de barres-codes - Google Patents

Lecteur optique automatique de barres-codes

Info

Publication number
CA1147383A
CA1147383A CA000342372A CA342372A CA1147383A CA 1147383 A CA1147383 A CA 1147383A CA 000342372 A CA000342372 A CA 000342372A CA 342372 A CA342372 A CA 342372A CA 1147383 A CA1147383 A CA 1147383A
Authority
CA
Canada
Prior art keywords
stripes
photodetecting
signals
stripe
width
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.)
Expired
Application number
CA000342372A
Other languages
English (en)
Inventor
David W. Fairbanks
Peter D. Southgate
Richard B. Davis
John P. Beltz
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.)
RCA Corp
Original Assignee
RCA 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
Priority claimed from US06/072,429 external-priority patent/US4498779A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1147383A publication Critical patent/CA1147383A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
CA000342372A 1979-01-10 1979-12-20 Lecteur optique automatique de barres-codes Expired CA1147383A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB00923-79 1979-01-10
GB7900923 1979-01-10
US06/072,429 US4498779A (en) 1979-01-10 1979-09-04 Automatic stripe width reader
US072,429 1979-09-04

Publications (1)

Publication Number Publication Date
CA1147383A true CA1147383A (fr) 1983-05-31

Family

ID=26270182

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000342372A Expired CA1147383A (fr) 1979-01-10 1979-12-20 Lecteur optique automatique de barres-codes

Country Status (1)

Country Link
CA (1) CA1147383A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry