| Patent number: | 05015175 |
| Issue Date: | 05-14-1991 |
| Application date and (Application number): | 10-01-1990 (590942) |
| Primary examiner: | DORITY; CARROLL B. |
| Inventor 1: | LEE; CHE-CHEOL |
| CHANGWON, REPUBLIC OF KOREA (SOUTH) | |
| Title: | MELODIC CANDLE ASSEMBLY |
| Abstract: | A MELODIC CANDLE ASSEMBLY HAVING A GENERALLY CYLINDRICAL WAX BODY SEATED IN THE TOP OF A TUBULAR BASE. THE WAX BODY HAS AN AXIAL WICK. ADJACENT THE WICK IS A THERMORESPONSIVE MEMBER COMPRISING A THIN PIEZOELECTRIC STRIP WITH METAL FILMS ON OPPOSITE SIDES THEREOF WHICH SERVE AS ELECTRODES. AN ELECTRONIC CIRCUIT IN THE BASE HAS AN INTEGRATED CIRCUIT COMPRISING A MEMORY STAGE CONTAINING PRERECORDED SIGNALS REPRESENTING AUDIBLE SOUNDS. A LOUDSPEAKER IN CIRCUIT WITH THE MEMORY STAGE REPRODUCES THE AUDIBLE SOUNDS WHEN ACTIVATED. THE THERMORESPONSIVE MEMBER IS CONNECTED TO THE ELECTRONIC CIRCUIT AND APPLIES THERETO A PIEZOELECTRICALLY GENERATED VOLTAGE WHEN THE CANDLE IS IGNITED TO THEREBY TRIGGER THE MEMORY STAGE AND ACTIVATE THE LOUDSPEAKER. WHEN THE CANDLE FLAME IS EXTINGUISHED, THE AUDIBLE SOUNDS ARE STOPPED. |
| US classification: | 431-253-000, 431-289-000, |
| International classification: | F23D 3-16 |
| References to US patents: | 04477249, 04568269, 04804323, |
| Priority information: | KRX 19891011 89-15001 |