Electrical signal observing device for converting an electrical

Details Electrical signal observing device for converting an electrical Electrical signal observing device for converting an electrical

1989-05-26

1990-10-30

Strecker, Gerard R.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Using radiant energy

324121R, G01R 1320

Patent

active

049671448

ABSTRACT:
An electrical signal observing device has an optical signal as a probe for converting the voltage or current waveform to be measured into an optical intensity waveform. This optical intensity waveform is converted into a signal which can be used by a signal observation device. A continuous wave light source is used for generating an optical signal which is amplified by an optical amplifier having a gain controlled by the electrical signal to be measured. A photodetector detects light from the optical amplifier and generates an observation signal which is displayed by a display unit.

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patent: 4645918 (1987-02-01), Tsuchiya et al.
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patent: 4774406 (1988-09-01), Chollet et al.
patent: 4836633 (1989-06-01), Morgan et al.

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