Dual lens security camera
US4816849A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1987 |
| Grant date | Mar 28, 1989 |
| Priority date | — |
| Expiry date | Feb 3, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/241
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light-weight, manually-operable security camera for photographing a person and a person's documentation in a single exposure. A camera with a first lens positioned for providing an image of a person standing in front of the camera and a second lens for providing an image of a document on a horizontal surface, and a drive mechanism for driving a single shutter and for advancing film in the film magazine, with the drive mechanism also including a lever for actuation by the person taking the photographs, and an extension spring and one-way clutch mechanism interconnecting the lever and the shutter and film advance means to assure that the lever is fully depressed and the film advanced, before a second set of photographs is attempted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.