Instant developed print in dual methods camera

Abstract

Abstract THE DISCLOSURE INCLUDES A PORTRAIT CAMERA HAVING A BEAM SPLITTER FOR DIRECTING THE IMAGE OF THE SUBJECT ONTO A RELATIVELY SMALL NEGATIVE AND SIMULTANEOUSLY ONTO A SUBSTANTIALLY LARGER POSITIVE IN COMBINATION. THE NEGATIVE FILM AND THE POSITIVE FILM ARE SIMULTANEOUSLY MOVED THROUGH THE CAMERA IN STEPPED RELATION FOR TAKING OF SEQUENTIAL PICTURES. THE POSITIVE FILM IS HELD IN A CARTRIDGE INCLUDING A DEVELOPING UNIT AND IS WITHDRAWN THROUGH THE DEVELOPING UNIT. THE DEVELOPING UNIT INCLUDES A ROLL OF A DRY STRIP PLASTIC AND MEANS TO APPLY A DEVELOPING LIQUID TO THE SURFACE. THE STRIP IS DRIVEN PAST A PRESSURE ROLLER TOGETHER WITH THE POSITIVE FILM SUCH THAT THE DEVELOPING LIQUID IS APPLIED TO THE POSITIVE FILM. A HEATER IS ENERGIZED TO HEAT THE FILM AND DEVELOPING LIQUID AND THEREBY CREATE A RAPID, DIRECT AND IN SITU DEVELOPMENT OF THE POSITIVE PRINT. THIS PERMITS ESSENTIAL IMMEDIATE VIEWING OF THE RESULTING PROOF PICTURE FOR PURPOSES OF ANALYSIS OF THE SUBJECT, ARRANGEMENT AND THE LIKE. THE DEVELOPING LIQUID IS SELECTED SUCH THAT THE PROOF PICTURE FADES IN A RELATIVELY SHORT PERIOD.

Inventors

• 👤 Allan H Hauser

Bibliographic Details