US 6,079,832 A · Annotation displaying projector

Abstract

A film projector for use with processed photographic film having magnetically recorded image information. The film projector has a body and a light source disposed in the body. The light source emits a collimated beam. A film holder is mounted in the body. The film holder is disposed to hold an individual frame of film in the beam. A projection lens system receives the beam propagated through the film. An optically transmissive digital display element is disposed in said body. A read-write unit is disposed to read annotation information from and write annotation information to the film in the film holder. A controller is operatively connected to the read-write unit and the display element. The controller modulates the display element responsive to the signal.

Claims20

Dependent claims

A film projector, for use with processed photographic film having magnetically recorded image information, said film projector comprising:

a body;
a light source disposed in said body, said light source emitting a collimated beam;
a film holder mounted in said body, said film holder being disposed to hold an individual frame of said film in said beam;
a projection lens system receiving said beam propagated through said film;
an optically transmissive digital display element disposed in said body;
a read-write unit disposed to read annotation information from and write annotation information to said film in said film holder;
a controller operatively connected to said read-write umit and said display element, said controller modulating said display element responsive to a signal from said read-write unit;
and said optically transmissive digital display element is disposed in said beam on at least a part-time basis.

5 more elements

Dependencies are inferred from the claim text.

Annotation displaying projector

Life of this patent

Annotation displaying projector

Life of this patent

Abstract

Claims20