Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1988-08-04
1990-08-21
Oberley, Alvin E.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340706, 340710, 178 18, 200 5A, G09G 302
Patent
active
049510363
ABSTRACT:
A touchpad jogger for emulating operator contact with a touchpad surface has a ball rotatably mounted at the end of a spring arm cantilever mounted to one end of an axle. A knob is fixedly mounted to the other end of the axle so that when the knob is rotated the ball is caused to roll across the touchpad surface to emulate operator contact. A plate through which the axle extends provides for attaching the touchpad jogger to a housing containing the touchpad surface.
REFERENCES:
patent: 4318095 (1982-03-01), Fukuoka
patent: 4644337 (1987-02-01), Shank et al.
patent: 4788537 (1988-11-01), Potiker
patent: 4794388 (1988-12-01), Matthews
patent: 4806917 (1989-02-01), Hosogoe
patent: 4816622 (1989-03-01), Holloway
Grueter James R.
Mackinnon Alethea F.
Fatahi-yar M.
Gray Francis I.
Oberley Alvin E.
The Grass Valley Group Inc.
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