Rotary control device, and electronic apparatus using it

Details Rotary control device, and electronic apparatus using it Rotary control device, and electronic apparatus using it

1997-11-05

1999-07-20

Friedhofer, Michael A

Electricity: circuit makers and breakers

Multiple circuit control

Operating means

200 1R, 200 5E, 200 17R, H01H 320

Patent

active

059258608

ABSTRACT:
A rotary control device and an electronic apparatus in which it is used are disclosed. The control device includes a flat cylindrical switch plate for selectively exposing function switches to the outside of the electronic apparatus in accordance with rotation of the switch plate. A plurality of switches are disposed on the switch plate, for generating manipulating signals. The switches are disposed along the circumference of the switch plate, and are selectively exposed to the outside of the electronic apparatus. The user can rotate the switch plate clockwise or counterclockwise to selectively expose the intended switches for activation.

REFERENCES:
patent: 4939514 (1990-07-01), Miyazaki
patent: 5193667 (1993-03-01), Choi
patent: 5623393 (1997-04-01), Yau

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