Patent · US Expired

Negative film carrier

US4252436A · kind A · utility

7Cited by
4References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 4, 1979
Grant dateFeb 24, 1981
Priority date
Expiry dateSep 4, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B27/6285
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A negative film carrier having a movable print window frame with 135 size and 126 size windows for trimming frame of a negative film. A depressing window frame positions the negative film on the print window frame. A guide member arranged perpendicular to the print window frame guides the position of travel of the negative film to the printing position. A scanner at the printing position is moved in synchronism with the print window frame to detect picture image data from the negative film and is positioned in accordance with the window used for the two types of film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.