Patent · US Expired

Data imprinting device for a camera

US4731624A · kind A · utility

1Cited by
1References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 1986
Grant dateMar 15, 1988
Priority date
Expiry dateOct 3, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B2217/243
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A data imprinting device provided with an input lock switch for disabling the input of imprinting data by data input switches, and a discriminating circuit for disabling the data input when the input lock switch is ON and only when all the data input switches are ON.

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