Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1981-03-17
1982-10-26
Hum, Vance Y.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273122A, 273123A, 273125A, A63D 1520
Patent
active
043558020
ABSTRACT:
A billiard table having a playing surface, a plurality of pockets associated with the playing surface, ball collecting mechanism below the playing surface for transferring balls entering the pockets into a common channel, circuitry including an electrical power source, ball contacting switch mechanism disposed along the common channel, a first pulse counter responsive to pulses from the switch, an oscillator, a second pulse counter responsive to pulses from the oscillator, a latch associated with and responsive to the second pulse counter, a digital comparator receiving signals from the first pulse counter and from the latch of the second pulse counter, a decoder transmitting a pulse from the comparator and display mechanism capable of receiving the pulses from the decoder; whereby rapid periodic pulses transmitted from the oscillator to the second pulse counter cause signals to be sent to the latch at the same rate, so that when a ball passes the switch mechanism, a pulse is transmitted from the switch mechanism to the latch to lock the signal transmitted to the comparator, and at the same time a pulse is transmitted from the switch mechanism to the first pulse counter causing a signal to be transmitted to the comparator, and when the signal from the first pulse counter matches the signal from the latch, a pulse is transmitted from the comparator through the decoder to the display and the free game mechanism.
REFERENCES:
patent: 1146242 (1915-07-01), Garaughty
patent: 1163412 (1915-12-01), Jorstad
patent: 2825565 (1958-03-01), Hooker
patent: 3439281 (1969-04-01), McGuire et al.
patent: 3488054 (1970-01-01), Brzoska
patent: 3770269 (1973-11-01), Elder
patent: 3918716 (1975-11-01), Nonaka et al.
patent: 4030555 (1977-06-01), Boyce et al.
Hum Vance Y.
Montana Billiard Supply
Urban Arthur L.
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