Moving goalie circuit for a manually controlled electronic video

Details Moving goalie circuit for a manually controlled electronic video Moving goalie circuit for a manually controlled electronic video

1976-10-29

1978-09-26

Hum, Vance Y.

Amusement devices: games

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

Target

273DIG28, A63F 706

Patent

active

041164415

ABSTRACT:
A moving goalie circuit is disclosed herein. The moving goalie circuit includes a first operational amplifier, having a linear feedback. A second operational amplifier is connected to the first operational amplifier. The second operational amplifier is an integrator. A relay is connected to the output of the second operational amplifier. The relay is selectively connectable to a timer for controlling position of a cursor or goalie image on a video screen. The first and second operational amplifiers produce a triangular wave which causes the timer to sweep repetitively the goalie image back and forth across a playing screen.

REFERENCES:
patent: 3474438 (1969-10-01), Lauher
patent: 3602644 (1971-08-01), Rognon et al.
patent: 3659284 (1972-04-01), Rusch
patent: 3659285 (1972-04-01), Baer et al.
patent: 3728480 (1973-04-01), Baer
patent: 3778058 (1973-12-01), Rausch
patent: 3793483 (1974-02-01), Bushnell
patent: 3874669 (1975-04-01), Ariano et al.
Electronics Australia; "Build Your Own Home TV Game"; Feb., 1976; pp. 42-45.
Hnatek, E. R.; Applications of Linear Integrated Circuits; John Wiley & Sons; 1975; pp. 163-166.
Popular Electronics; "TV Electronic Game Projects"; Apr., 1976; pp. 35-45.

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