Andrew Daiber

US Patent:

53474350, Sep 13, 1994

Filed:

Dec 22, 1992

Appl. No.:

7/994816

Inventors:

Ronald T. Smith - Torrance CA
Andrew Daiber - Stanford CA

Assignee:

Hughes Aircraft Company - Los Angeles CA

International Classification:

B60Q 126

US Classification:

362 801

Abstract:

A holographic center high mounted stop light (CHMSL) employing a linear lamp source comprising a long and narrow cylindrical gas discharge bulb, a non-imaging light concentrator cavity, a plastic light guide and a hologram. The CHMSL is characterized by previously unattainable compactness, weight savings, rear occupant headroom, driver rearward visibility, and electrical efficiency.

US Patent:

51011930, Mar 31, 1992

Filed:

Apr 16, 1990

Appl. No.:

7/510320

Inventors:

Ronald T. Smith - Torrance CA
Andrew J. Daiber - Rancho Palos Verdes CA
John E. Gunther - Torrance CA
James E. Scott - Culver City CA
Michael J. Virgadamo - Pasadena CA
Kevin Yu - Temple City CA

Assignee:

Hughes Aircraft Company - Los Angeles CA

International Classification:

B60Q 144
G02B 532

US Classification:

340479

Abstract:

A holographic stoplight for a vehicle including a stoplight hologram, a source of playback illumination, and a transparent prism for supporting the stoplight hologram and for guiding the playback illumination to the stoplight hologram. The prism with the stoplight hologram is mounted in front of the rear window of a vehicle with the light source beneath the surface of the rear panel that is adjacent the rear window.