Data imprinting optical system

Details Data imprinting optical system Data imprinting optical system

1997-06-04

1999-03-16

Adams, Russell

Photography

With data recording

Optical

396318, G03B 1724

Patent

active

058841083

ABSTRACT:
A data imprinting optical system that records a date, data, etc. on a predetermined surface, e.g. a film in a camera, uses a diffractive optical element to achieve savings in space and a reduction in cost. The data imprinting optical system has a display device (1a) and imprints an image displayed on the display device (1a) onto a predetermined surface (1c). The optical system has a diffractive optical element (1b). The diffractive optical element (1b) may have a plurality of different image-formation points to enable a plurality of data imprinting modes. The diffractive optical element (1b) may be integral with a part of another optical system, e.g. a photographic optical system.

REFERENCES:
patent: 3736849 (1973-06-01), Thompson
patent: 3744391 (1973-07-01), Plummer
patent: 5389991 (1995-02-01), Naka et al.
patent: 5617162 (1997-04-01), Kato et al.
patent: 5678084 (1997-10-01), Hori
patent: 5740483 (1998-04-01), Hashimoto et al.

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