Display device

Details Display device Display device

1990-06-22

1991-08-20

Price, Carl D.

Illumination

Revolving

362286, 362287, 362800, 362806, 40433, F21V 2130

Patent

active

050419471

ABSTRACT:
A display device for producing a display, which device comprises a base, a rotatable member, first rotation means for rotating said rotatable member about a first axis, illumination means for producing a said display and arranged to be rotated about said first axis by said rotatable member, and second rotation means for causing movement (as herein defined) of said illumination means about a second axis different from and non-orthogonal to said first axis.

REFERENCES:
patent: Re21202 (1939-09-01), Shigley
patent: 3707790 (1973-01-01), Jaffe, Jr.
patent: 3751654 (1973-08-01), Grebinar
patent: 3760176 (1973-09-01), Trop
patent: 3793755 (1974-02-01), Gersch et al.
patent: 3949350 (1976-04-01), Smith
patent: 4298868 (1981-11-01), Spurgeon
patent: 4338547 (1982-07-01), McCaslin
patent: 4809584 (1989-03-01), Forrest
patent: 4817163 (1989-03-01), Stastny
patent: 4858079 (1989-08-01), Ohashi
"Led Light Show," Elektor, vol. 2, No. 6, Jun. 1976, pp. 634-637.

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