Ball advancing device for a pinball game

Details Ball advancing device for a pinball game Ball advancing device for a pinball game

1994-09-30

1996-02-27

Chiu, Raleigh W.

Amusement devices: games

Surface projectile game; game element

Ball games

273121R, 273118R, 273118A, A63F 734

Patent

active

054942861

ABSTRACT:
An electromagnet is mounted beneath the playfield. Sensors, such as optical switch pairs, are positioned on the playfield in operative relation with the electromagnet to detect the ball and to produce a signal in response thereto. The microprocessor, in response to such signals, briefly pulses the magnet to accelerate the ball or energizes the electromagnet for an extended period to grab and hold the ball. When the ball is held, the magnet is thereafter deenergized and briefly pulsed to propel the ball on the playfield. In one embodiment, a plurality of electromagnets are provided along a ball path which are operated sequentially by the game microprocessor to move the ball from magnet to magnet in a stepped manner.

REFERENCES:
patent: 1648956 (1927-11-01), Meade
patent: 4373725 (1983-02-01), Ritchie
patent: 5158291 (1992-10-01), Biagi et al.
patent: 5356142 (1994-10-01), Borg et al.
patent: 5358242 (1994-10-01), Trudeau et al.
patent: 5375829 (1994-12-01), Lawlor et al.

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