Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1997-11-12
2000-02-22
Le, Que T.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
2502141, 250206, H01J 4014
Patent
active
060283017
ABSTRACT:
The present invention discloses a method for controlling a micro electro-mechanical system manufactured using micro-machining technology and verifying the state thereof and, more particularly, to a method for controlling the micro electro-mechanical system and verifying the state thereof using light so that the voltage applied to each MEMS is determined by the intensity of the light incident on two optical windows of the symmetric SEEDs respectively by attaching the symmetric SEEDs every MEMS to electrically connect one of the SEEDs to the MEMS in parallel, instead of a conventional method in which the voltage from the control circuit is applied directly to the MEMS via wires.
REFERENCES:
patent: 4967068 (1990-10-01), Lentine et al.
patent: 5093565 (1992-03-01), Lentine
patent: 5385632 (1995-01-01), Goossen
Kim Kwang Joon
Lee Jong Hyun
Electronics and Telecommunications Research Institute
Le Que T.
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