MUTUALLY OPERATIVE TYPE ILLUMINATION CONTROLLER FOR PIN BALL GAME

Title:

MUTUALLY OPERATIVE TYPE ILLUMINATION CONTROLLER FOR PIN BALL GAME

Document Type and Number:

Japanese Patent JPH0557044

Kind Code:

A

Abstract:

PURPOSE: To provide an illumination control device for a pin ball game machine, which can adjust the luminance of a plurality of illumination rows, independent of one another. CONSTITUTION: An illumination control device for a pin ball game machine, an illumination circuit panel 14 which carries thereon at least one of illumination rows 15 in parallel connection. Triacs 15 which are respectively related to the illumination rows 15 so as to selectively supply an output power from an a.c. power source 20 thereto, are controlled in response to an output from a zero-crossing detecting circuit 30 for monitoring the a.c. power source 20. The luminance of the illumination rows can be controlled, independent from each other, in response to a condition of a playing part of a game, by changing a time length by which the triacs 24 changes over the power with respect to a zero crossing point of the output of the a.c. power source.

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Inventors:

CHIYAARUZU AARU BUREECHI
MAAKU JIEI KOORUDEBERA
ROORENSU II DEIMAA

Application Number:

JP2550592A

Publication Date:

March 09, 1993

Filing Date:

February 12, 1992

Export Citation:

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Assignee:

WILLIAMS ELECTRONICS GAMES INC

International Classes:

H05B37/02; A63F7/02; H05B39/08; (IPC1-7): A63F7/02

Attorney, Agent or Firm:

Kyozo Yuasa (6 people outside)

Next Patent: WIRING BOARD STORAGE BOX OF PACHINKO MACHINE