Optical radiation source or detector device having plural radiat

Details Optical radiation source or detector device having plural radiat Optical radiation source or detector device having plural radiat

1985-04-15

1987-01-20

Davie, James W.

Electric lamp and discharge devices

With temperature modifier

For lead-in-seal or stem protection

357 30, 357 72, 313499, H01L 3300

Patent

active

046383433

ABSTRACT:
An optical sender or detector device with an envelope (U) whose light entrance and/or light exit surfaces are adapted to provide a desired radiating or receiving characteristic that is to be able to radiate directionally in two or more spatial directions or respectively to receive directionally from two or more spatial directions. The light entrance and/or light exit surfaces having reflecting curves (R 1, R 2) and lenticular curves (L 1, L 2).

REFERENCES:
patent: 3821590 (1974-06-01), Kosman et al.
patent: 3821775 (1974-06-01), Biard

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