Position control apparatus

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...

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340706, 178 18, G09G 100

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active

047346850

ABSTRACT:
A position control apparatus comprises a pointing device for pointing a position, a microprocessor for computing a distance of movement and a velocity of movement of the pointing device controls moving the position pointed by the pointing device at a velocity corresponding to the velocity detected when the distance of movement and the velocity of movement detected exceed predetermined values.

REFERENCES:
patent: 4069511 (1978-01-01), Lelke
patent: 4313113 (1982-01-01), Thornburg
patent: 4386410 (1983-05-01), Pandya et al.
patent: 4390873 (1983-06-01), Kirsch
patent: 4464652 (1984-08-01), Lapson et al.
patent: 4500876 (1985-02-01), English et al.
patent: 4521772 (1985-06-01), Lyon
patent: 4549173 (1985-10-01), Nakamura
patent: 4563740 (1986-01-01), Blake et al.
Williams, G., "The Lisa Computer System", Byte, Feb. 1983, pp. 33-50.

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