Patent · US Expired

Single-lens reflex camera with built-in flash

US4893140A · kind A · utility

36Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 1986
Grant dateJan 9, 1990
Priority date
Expiry dateNov 24, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B2215/051
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A single-lens reflex camera with a flash unit built into the camera body above the viewing pentaprism. The unit is movable from an operating position to a non-operating position, preferably enclosed in the camera body. The built-in flash unit may be automatically closed by inserting an external flash in a flash shoe. A display panel may be included on the top of the flash unit housing.

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