System switch device

Details System switch device System switch device

1993-10-15

1997-06-10

Hofsass, Jeffery

Coded data generation or conversion

Bodily actuated code generator

341 27, 340438, 340461, 345156, 345173, 364188, 364190, H03K 1794

Patent

active

056380607

ABSTRACT:
An object of this invention is to provide a system switch device having a board switch and a display unit separated from the latter, with which terminals units can be operated in a blind touch mode. The system switch device comprises: a board switch having switches and touch-operated mechanisms which give a sense of contact to the finger of the operator in response to the key operations of the switches, an electronic control unit operating to control terminal units according to switch signals from the board switch; and a display unit for displaying a selected content according to a switch signal from the board switch with the aid of the electronic control unit. In the device, with respect to an optional switch position in a key operation of the board switch, the center of the screen of the display unit is displayed in a predetermined display color, and the switch position in the following key operation is displayed on the display unit by causing the electronic control unit to calculate its amount of movement with the switch position inputted before as a reference, so that the key operation is performed according to the content displayed on the display unit.

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patent: 5432671 (1995-07-01), Allavena

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