Image position control

Details Image position control Image position control

1985-01-25

1989-01-17

Caldwell, Sr., John W.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340710, 74471XY, G09G 100

Patent

active

047990490

ABSTRACT:
A control that uses movement to position an image on a screen for use with means for detecting the movement and a microprocessor that interprets the movement detected and means for displaying an image on a screen, comprising a body and a bar having a bar axis coupled to the body so that the bar is rotatable with respect to the body about the bar axis and is slidable with respect to the body in a direction parallel to the bar axis thereby permitting movement of the bar with respect to the body which is the movement that is used to position an image on a screen.

REFERENCES:
patent: 1613994 (1927-01-01), Grose
patent: 3820641 (1974-06-01), Bonst et al.
patent: 3916100 (1975-10-01), Azuma
patent: 4369439 (1983-01-01), Broos
patent: 4543571 (1985-09-01), Bilbrey et al.
patent: 4561183 (1985-12-01), Shores
patent: 4562347 (1985-12-01), Hovey et al.
Leon, N., "Thumbwheel Positional Control Unit", IBM Technical Disclosure Bulletin, vol. 21, #7, Dec. 1978., pp. 3206, 3207.

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