Musical Instrument Patent Of The Week
Week of January 4, 2010
United States Patent No: US 7,642,439
Date of Patent: Jan. 5, 2010
Title: Electronic drum and its drum head
Inventor(s): Fujii
Assignee(s): Yamaha Corporation
Abstract: An electronic drum 30 comprises a hollow body part 10 having an opening side, a drum head stretched over the opening side of the hollow body part 10 and having a stroked surface, an elastic cushion part 40 arranged to touch with a reverse side of the stroked surface of the drum head 30, a vibration absorber 43 that is arranged inside the body part 10 and absorbs a vibration transmitted from the body part 10, and a sensor 41 that is arranged in the vibration absorber 43 to touch with the elastic cushion part 40 and outputs a result of detecting a stroke on the drum head 30 transmitted by the elastic cushion part 40. The drum head 30 is made of a lamination of a plurality of elastic films and has a plurality of holes 30h pierced thorough all layers of the laminated films.
Other Musical Instrument Utility Patents Issued On Jan. 5, 2010
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| 7,642,442 | Methods, programs, storage media and systems for recording and compiling a music section |
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| 7,642,440 | Percussion instrument and electronic percussion instrument |
| 7,642,439 | Electronic drum and its drum head |
| 7,642,438 | Novelty noise making device |
| 7,642,437 | Musical instrument |
| 7,641,560 | Take-up in drum actuation drive trains |
| 7,641,023 | Mechanism generating at least one type of sonority |
Musical Instrument Design Patents Issued On Jan. 5, 2010
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| D607,486 | MP3 violin |
Musical Instrument Patent Applications Published On Jan. 7, 2010
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| 20100000392 | Musical Stringed Instruments |