CA1207374A - Dispositif d'impression photgraphique par contact - Google Patents

Dispositif d'impression photgraphique par contact

Info

Publication number
CA1207374A
CA1207374A CA000445042A CA445042A CA1207374A CA 1207374 A CA1207374 A CA 1207374A CA 000445042 A CA000445042 A CA 000445042A CA 445042 A CA445042 A CA 445042A CA 1207374 A CA1207374 A CA 1207374A
Authority
CA
Canada
Prior art keywords
exposure
light
prescan
density
light source
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
CA000445042A
Other languages
English (en)
Inventor
Walter L. Mcintosh
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.)
Logetronics Inc
Original Assignee
Logetronics Inc
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 US06/270,758 external-priority patent/US4344699A/en
Application filed by Logetronics Inc filed Critical Logetronics Inc
Priority to CA000445042A priority Critical patent/CA1207374A/fr
Application granted granted Critical
Publication of CA1207374A publication Critical patent/CA1207374A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Projection-Type Copiers In General (AREA)
CA000445042A 1981-06-05 1984-01-10 Dispositif d'impression photgraphique par contact Expired CA1207374A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000445042A CA1207374A (fr) 1981-06-05 1984-01-10 Dispositif d'impression photgraphique par contact

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/270,758 US4344699A (en) 1981-06-05 1981-06-05 Exposure and contrast determination by prescanning in electronic photoprinting systems
US270,758 1981-06-05
CA000392563A CA1177411A (fr) 1981-06-05 1981-12-17 Dispositif de controle du niveau d'exposition et de la correction du contraste par balayage preliminaire pour systemes de reprographie electronique
CA000445042A CA1207374A (fr) 1981-06-05 1984-01-10 Dispositif d'impression photgraphique par contact

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA000392563A Division CA1177411A (fr) 1981-06-05 1981-12-17 Dispositif de controle du niveau d'exposition et de la correction du contraste par balayage preliminaire pour systemes de reprographie electronique

Publications (1)

Publication Number Publication Date
CA1207374A true CA1207374A (fr) 1986-07-08

Family

ID=25669512

Family Applications (2)

Application Number Title Priority Date Filing Date
CA000445042A Expired CA1207374A (fr) 1981-06-05 1984-01-10 Dispositif d'impression photgraphique par contact
CA000445041A Expired CA1207373A (fr) 1981-06-05 1984-01-10 Commande de niveau d'exposition dynamique pour tube cathodique source de lumiere

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA000445041A Expired CA1207373A (fr) 1981-06-05 1984-01-10 Commande de niveau d'exposition dynamique pour tube cathodique source de lumiere

Country Status (1)

Country Link
CA (2) CA1207374A (fr)

Also Published As

Publication number Publication date
CA1207373A (fr) 1986-07-08

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Legal Events

Date Code Title Description
MKEX Expiry