Portable holographic recording apparatus

Patent 5144461 Issued on September 1, 1992. Estimated Expiration Date:

June 20, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

H841

3526444

3826555

3837726

Optical system
Patent #: 4508420
Issued on: 04/02/1985
Inventor: Nishiwaki

Holographic recording device
Patent #: 4707053
Issued on: 11/17/1987
Inventor: Gurevich , et al.

Positioning alignment apparatus and method using holographic optical elements Patent #: 4712851
Issued on: 12/15/1987
Inventor: Fusek , et al.

Inventor

Horan, Philip R.

Application

No. 718298 filed on 06/20/1991

US Classes:

359/30, Having optical element between object and recording medium359/35, Hardware for producing a hologram396/517, Plate or cut film holder396/519Plate fastening or kit

Examiners

Primary: Arnold, Bruce Y.
Assistant: Lerner, Martin

Attorney, Agent or Firm

McGuire; Katherine

Foreign Patent References

52907554 DE 08/14/1980
647744 SU 02/14/1979

International Classes

G03H 001/04
G03B 017/26

Abstract

A holographic camera assembly includes a portable, light-tight housing having a removable cover to access the interior thereof. Camera components are positioned upon an optics tray within the housing which is vibrationally isolated from the housing. The film is releasably mounted within a frame and includes a releasable film casing protecting the film from ambient light. The frame, including the film and casing, is releasably mounted upon a rotatable platform in one corner of the tray and a three-dimensional object of one's choice is positioned therebehind. The cover is replaced upon the housing making the interior thereof light-tight. Means operable at a control panel externally of the housing selectively raise and lower the casing about the film. When in the fully raised position, a coherent light beam is allowed to travel along a fixed path (by action of a timed shutter mechanism) to pass through the film to strike the object. The reflection of light by the object back to the film creates the hologram. Following exposure, the casing is again lowered about the film which may then be removed from the housing for further film processing.