Circuitry for controlling location of a racket in a television g

Details Circuitry for controlling location of a racket in a television g Circuitry for controlling location of a racket in a television g

1976-12-03

1978-05-09

Pinkham, Richard C.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273DIG28, A63F 706, A63F 900

Patent

active

040883213

ABSTRACT:
In a television game apparatus, a vertical control circuit responsive to a 60Hz vertical sweep voltage and a second variable voltage generates a constant width vertical racket control pulse timed with respect to each vertical sweep signal. In a normal mode, the second variable voltage is controlled by the setting of a manually adjustable potentiometer. The control circuitry is switchable to a second mode by means of a switching mechanism for disconnecting the potentiometer and connecting the circuit to a vertical control voltage derived from a ball spot generator. The second mode allows the control circuit to generate a vertical racket control pulse synchronized in vertical location with the vertical location of the generated ball spot.

REFERENCES:
patent: 3778058 (1973-12-01), Rausch
patent: 3809395 (1974-05-01), Allison et al.
patent: 3874669 (1975-04-01), Ariano et al.
patent: 3921161 (1975-11-01), Baer
Popular Electronics; "TV Electronic Game Projects: Pontronics;" Apr., 1976; pp. 35-41.

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