Electric lamp and discharge devices – With optical device or special ray transmissive envelope – Reflector
Patent
1988-06-30
1990-04-03
Wieder, Kenneth
Electric lamp and discharge devices
With optical device or special ray transmissive envelope
Reflector
313116, 362307, 362327, H01K 128
Patent
active
049143425
ABSTRACT:
A narrow spot reflector lamp having a halogen lamp light source. The reflector surface and lens are both stippled and the halogen lamp is shielded so that all of the transmitted light undergoes two diffusions to achieve the desired beam spread.
REFERENCES:
patent: 2810660 (1957-10-01), Carpenter
patent: 4339685 (1982-07-01), Saguchi et al.
patent: 4755711 (1988-07-01), Fields et al.
Haft Harry H.
Mujahid Mohammad
Murray William
Lobato Emmanuel J.
North American Philips Corp.
Wieder Kenneth
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