Control circuit for lamps with a melody output

Details Control circuit for lamps with a melody output Control circuit for lamps with a melody output

1996-08-09

1998-02-24

Pascal, Robert

Electric lamp and discharge devices: systems

Special application

315129, 315133, 84600, 84647, H05B 3702

Patent

active

057214760

ABSTRACT:
A circuit arrangement for lamps with melody output includes a switch having a common end connected to an AC voltage source and three contact ends, two rectifiers each respectively connected to a contact end of the switch via a connector, a melody circuit for outputting an audio signal via a speaker, two timers each respectively connected between one of the rectifiers and the melody circuit for controlling the duration of the output audio signal, a lamp driving circuit connected to the melody circuit for receiving a lamp driving signal from the melody circuit, a lamp set connected to all of the contact ends of the switch, and a voltage regulation circuit connected to the AC voltage source via the connector for supplying a power signal to all of the electronic circuits.

REFERENCES:
patent: 1690279 (1928-11-01), Craft
patent: 3598889 (1971-08-01), Switsen
patent: 4386550 (1983-06-01), Newsome et al.
patent: 4537109 (1985-08-01), Sakurai

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