| 摘要 |
PCT No. PCT/US87/01598 Sec. 371 Date Dec. 22, 1988 Sec. 102(e) Date Dec. 22, 1988 PCT Filed Jul. 1, 1987 PCT Pub. No. WO88/04868 PCT Pub. Date Jun. 30, 1988.A lase diode light source (21) is arranged to emit light of a desired intensity (I1), which is transmitted via an optical conductor (22). Light exiting the fiber has an intensity (I2), and falls incident on the receiver surface of a photodiode (23). Such transmitted light provides both the power and control for operating a load (24). The load has a maximum impedance such that the maximum load input voltage required to produce the maximum desired load current does not exceed the forward conductive breakdown voltage of the photodiode.
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