Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent
1990-05-11
1991-01-22
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Signal isolator
337140, G02B 2700
Patent
active
049873148
ABSTRACT:
An actuator apparatus includes a plurality of actuators each having a shape-memory alloy, a power supply line unit for supplying power to the actuators, power supply control unit connected in series with at least one of the actuators, and a driving unit for driving the power supply control unit.
REFERENCES:
patent: 4495421 (1985-01-01), Endo et al.
patent: 4520336 (1985-05-01), Hastings et al.
patent: 4601283 (1986-07-01), Chikama
patent: 4799474 (1989-01-01), Ueda
Gotanda Masakazu
Ueda Yasuhiro
Nelms David C.
Olympus Optical Co,. Ltd.
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