Electric high-pressure discharge lamp for use as a motor vehicle

Details Electric high-pressure discharge lamp for use as a motor vehicle Electric high-pressure discharge lamp for use as a motor vehicle

1990-10-02

1991-09-24

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Special application

Vehicle

315 58, 315151, B60Q 104

Patent

active

050516582

ABSTRACT:
The lamp has a holder body in which an end portion of the discharge vessel is secured. A light-receiving window of a photoelectrical element is positioned inside the holder body and aimed at a sealed end portion of the discharge vessel. The photoelectrical element may be connected to the control of the electric supply of the lamp in order to obtain a high luminous flux within a short period after ignition of the lamp. External factors have little influence on the control action thanks to the position of the window.

REFERENCES:
patent: 3422310 (1969-01-01), Widmayer
patent: 3483428 (1969-12-01), Plante
patent: 3681654 (1972-08-01), Quinn
patent: 3821593 (1976-06-01), Roselli
patent: 4249160 (1981-02-01), Chilvers
patent: 4645975 (1987-02-01), Meitzler et al.
patent: 4713583 (1987-12-01), Hochstein
patent: 4862037 (1989-08-01), Farber et al.
patent: 4868456 (1989-09-01), Sanders et al.
patent: 4874989 (1989-10-01), Nilssen
patent: 4968895 (1990-11-01), Leclercg

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