Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1975-08-14
1977-10-18
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310326, 310330, 310366, H01L 4104
Patent
active
040548082
ABSTRACT:
A vibration detecting device adapted to be mounted on a musical instrument, such as a guitar or a violin, or a mechanical conversion apparatus for detecting sound generated by the guitar or the like or other vibration is provided, which is of simple structure having a piezoelectric ceramic plate housed in a case, and has a high sensitivity and an excellent frequency characteristic. A method for adapting the vibration detecting device is also provided.
REFERENCES:
patent: 2480535 (1949-08-01), Alois et al.
patent: 3375707 (1968-04-01), Neitz
patent: 3582692 (1971-06-01), Palini
patent: 3725561 (1973-04-01), Paul
patent: 3736632 (1973-06-01), Barrow
patent: 3863250 (1975-01-01), McCluskey, Jr.
patent: 3912954 (1975-10-01), Baird
patent: 3928777 (1975-12-01), Massa
Budd Mark O.
Matsushita Electric - Industrial Co., Ltd.
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