Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Plural load device systems
Patent
1989-04-06
1992-05-05
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Periodic switch in the supply circuit
Plural load device systems
315220A, 315323, 84464R, 361380, 361392, H05B 3702, H05B 4134, H05B 4130
Patent
active
051111136
ABSTRACT:
A music initiated Christmas light set controller includes a casing in which is disposed a circuit board. The circuit board is connected to a plurality of light sets and includes a bridge rectifier, a voltage regulator circuit, a music generating integrated circuit (IC), a piezo-electric transducer, an alternative switch IC, and a plurality of thyristors. The casing includes a loudspeaker aperture for output of music, a volume control knob connected to a variable resistor for controlling the volume of music, and a knob for alternative selection of the lighting inside. A bridge rectifier is coupled to 110 volt A.C. power for providing full-wave rectification thereof. The output of the bridge rectifier is coupled to a voltage regulation circuit for dropping and filtering the voltage to form a stable voltage for application to a music IC and also provide a signal voltage to an alternative switch IC. The alternative switch IC is triggered by the music rhythm generated by the music IC to provide a selected one of three different outputs utilized to further trigger "on" thyristors wich drive several light sets to twinkle, flash, or be steadily illuminated.
REFERENCES:
patent: 3845468 (1974-10-01), Smith
patent: 4890000 (1989-12-01), Chou
J. Gavalda, "A Psychedelic Illuminated Tube for Decoration", Journal Ref.: Rev. Esp. Electron (Spain), vol. 23, No. 263, (Oct. 1976) pp. 38-40.
Klein David I.
LaRoche Eugene R.
Neyzari Ali
Rosenberg Morton J.
Superlite Co., Ltd.
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