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.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
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 Toppan Printing Co LtdfiledCriticalToppan Printing Co Ltd
Priority to JP17374579ApriorityCriticalpatent/JPS56107230A/ja
Publication of JPS56107230ApublicationCriticalpatent/JPS56107230A/ja
Publication of JPS6235103B2publicationCriticalpatent/JPS6235103B2/ja
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
G03B27/62—Holders for the original
G03B27/6207—Holders for the original in copying cameras
G03B27/6242—Masks; Overlays; Transparent carriers
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Holders For Sensitive Materials And Originals
(AREA)
Preparing Plates And Mask In Photomechanical Process
(AREA)
JP17374579A1979-12-281979-12-28Determining method for standard and input indication point
GrantedJPS56107230A
(en)