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.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Itek 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 Itek CorpfiledCriticalItek Corp
Priority to FR50299ApriorityCriticalpatent/FR1485564A/fr
Application grantedgrantedCritical
Publication of FR1485564ApublicationCriticalpatent/FR1485564A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B27/00—Photographic printing apparatus
G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
G03B27/52—Details
G03B27/54—Lamp housings; Illuminating means
G03B27/542—Lamp housings; Illuminating means for copying cameras, reflex exposure lighting
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR50299A1966-02-181966-02-18Procédé et dispositif d'éclairage pour tables de photocopie
ExpiredFR1485564A
(fr)