Vehicular lamp having discharge bulb

Details Vehicular lamp having discharge bulb Vehicular lamp having discharge bulb

1997-01-23

1999-03-09

Lazarus, Ira S.

Illumination

Light modifier

Reflector

362263, 362265, 362351, 362353, 362376, 362377, 362378, 362459, 362467, 362487, 362538, 362539, 362546, 362549, B60Q 100, F21V 700

Patent

active

058790730

ABSTRACT:
A vehicle lamp having a discharge bulb which prevents radiation of electromagnetic waves toward the forward positions of the lamp. Radiation into the other directions is prevented by shielding members disposed around the lamp. A shade disposed in front of a discharge bulb attached to a reflector is made of metal and a stem of the shade is secured to the reflector in a state where the stem is electrically connected to a socket fixture. The shade is placed at ground potential through the fixture. Thus, the front portion of the discharge bulb is shielded and prevents radiation of the electromagnetic waves to positions in front of the lamp.

REFERENCES:
patent: 4870546 (1989-09-01), Hammerl et al.
patent: 5023506 (1991-06-01), Canale et al.
patent: 5107405 (1992-04-01), Makita
patent: 5124895 (1992-06-01), Segoshi et al.
patent: 5136481 (1992-08-01), Dietzsch et al.
patent: 5188444 (1993-02-01), Makita et al.
patent: 5243501 (1993-09-01), Makita et al.
patent: 5258686 (1993-11-01), Segoshi et al.
patent: 5343370 (1994-08-01), Ohashi et al.
patent: 5382876 (1995-01-01), Sugasawa et al.
patent: 5434763 (1995-07-01), Hege et al.
patent: 5607228 (1997-03-01), Ozaki et al.
patent: 5782550 (1998-07-01), Ohashi et al.

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