U.S. patents available from 1976 to present.
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Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

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Class 330/170 - With shielding


Subclass of Class 330 - Amplifiers
Definition: Subject matter combined with shielding means, for the transformer,
No. of patents: 1
Last issue date: 11/07/1978


NumberTitleIssue Date
4124822Isolation amplifier
A DC isolation amplifier having improved conductive isolation between its input and output. The amplifier includes an input section having a modulator and an output section having a demodulator and an oscillator section. The modulator and demodulator are ...
11/07/1978
 
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