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Patent No. 5107620

Electrified Table Cloth

An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.

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Class 178/71.8 - Oscillatory


Subclass of Class 178 - Telegraphy
Definition: Telegraph repeater using a vibrating circuit for timing
No. of patents: 1
Last issue date: 12/25/1990


NumberTitleIssue Date
4980898Self-oscillating burst mode transmitter with integral number of periods
A self-oscillating burst mode transmitter transmits an integral number of cycles of a carrier signal in each transmission burst. Each burst commences at a peak value of the carrier signal and terminates at a peak value. The transmitter includes an L-C tan...
12/25/1990
 
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