Illuminating devices

Details Illuminating devices Illuminating devices

1990-02-27

1991-04-16

Husar, Stephen F.

Illumination

Chemiluminescent lighting

362322, 362282, 116202, F21K 200

Patent

active

050087800

ABSTRACT:
An illuminating device comprises a tubular outer sleeve (12) provided with an elongated transparent window (13), with an inner sleeve (22) formed with an aperture (27). The inner sleeve (22) houses a pair of self-luminous light sources (30). Relative rotation between the inner and outer sleeves (22, 12) determines the shape illustrated by the sources (30) and visible through the window (13). The inner sleeve (22) thus serves as a shutter in controlling light emission.

REFERENCES:
patent: 2365342 (1944-12-01), Hilliard et al.
patent: 2935041 (1960-05-01), Rovere
patent: 3884560 (1975-05-01), Neylan et al.
patent: 4104708 (1978-08-01), Bohli
patent: 4417299 (1983-11-01), Rupp
patent: 4425599 (1984-01-01), Rieder et al.

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