Display system

Details Display system Display system

1995-03-27

1997-08-19

Crosland, Donnie L.

Communications: electrical

Visual indication

Audio responsive lamp

34081547, 34081548, 34081549, 34081573, 34081574, 200310, 200313, 200314, 200317, G08B 500

Patent

active

056592973

ABSTRACT:
A pushbutton of a switch assembly has an improved display system which includes a housing formed of an electrically insulating polymeric material. A solid-state display system is disposed within the housing. The solid-state display system includes an array of light emitting diodes mounted on a circuit board. The circuit board is disposed on a metal heat sink. The heat sink positions the circuit board relative to the display housing and receives heat from the light emitting diodes. In addition, the heat sink forms a portion of a circuit which conducts electrical energy to energize the light emitting diodes.

REFERENCES:
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patent: 3581307 (1971-05-01), McKim et al.
patent: 3660713 (1972-05-01), Leslie et al.
patent: 4106231 (1978-08-01), MacNiel
patent: 4430691 (1984-02-01), Rea
patent: 4472610 (1984-09-01), Fuller et al.
patent: 5295050 (1994-03-01), Helstern et al.
patent: 5550342 (1996-08-01), Danek et al.
A Practical Design Check List for NVIS Compatible Lighting, Presented to: Aerospace Lighting Institute, Advanced School/Seminar, Los Angeles, California, Feb., 1994, by Van Tatavoosian, Product Engineering Manager, Optics and Display Technology, Eaton Corporation.

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