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.)
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.)
COMETA SA
Original Assignee
COMETA SA
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 COMETA SAfiledCriticalCOMETA SA
Priority to FR7518338ApriorityCriticalpatent/FR2314482A2/fr
Publication of FR2314482A2publicationCriticalpatent/FR2314482A2/fr
Application grantedgrantedCritical
Publication of FR2314482B2publicationCriticalpatent/FR2314482B2/fr
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
G06K13/02—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
G06K13/06—Guiding cards; Checking correct operation of card-conveying mechanisms
G06K13/067—Checking presence, absence, correct position, or moving status of cards
G—PHYSICS
G01—MEASURING; TESTING
G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
G01V8/00—Prospecting or detecting by optical means
G01V8/10—Detecting, e.g. by using light barriers
G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Life Sciences & Earth Sciences
(AREA)
General Life Sciences & Earth Sciences
(AREA)
Geophysics
(AREA)
Engineering & Computer Science
(AREA)
Theoretical Computer Science
(AREA)
Power-Operated Mechanisms For Wings
(AREA)
Geophysics And Detection Of Objects
(AREA)
Burglar Alarm Systems
(AREA)
FR7518338A1975-06-121975-06-12Procede et dispositif de detection optique
GrantedFR2314482A2
(fr)
