Sleep switch volume control

Details Sleep switch volume control Sleep switch volume control

1982-06-30

1984-11-06

Bookbinder, Marc E.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

368245, 455232, H04B 108, H04B 116

Patent

active

044816740

ABSTRACT:
This invention is directed at a sleep switch volume control wherein the body portion of a clock radio timer knob has conductive and insulative portions which may be formed on two transverse, circumferential sections. The two sections are in abutting, parallel relation to each other. The conductive portions and insulative portions of the two sections are off-set from each other and are selectively electrically connected to an electrical circuit as the knob is rotated.
A variation of the sleep switch volume control utilizes two transverse uninsulated sections which are electrically insulated from each other and which are located circumferentially on the body portion of the timer knob. The uninsulated sections are selectively electrically connected to an electrical circuit as the timer knob of the radio rotates.

REFERENCES:
patent: 2491968 (1949-12-01), Gilbert
patent: 3356949 (1967-12-01), Jones, Jr.
patent: 3569839 (1971-03-01), Dyer
patent: 3873921 (1975-03-01), Petrinec

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