Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1986-04-17
1988-02-16
Shoop, Jr., William M.
Communications: electrical
Audible indication
Percussion-type sound producer
307571, 307572, 3072991, H03M 166
Patent
active
047258136
ABSTRACT:
A MOS type circuit which has a high switching speed and which is free from the substrate bias effect includes a MOS transistor having a source electrode, a back gate region, a drain electrode and a gate electrode, and an amplifier having a gain of about "1", with the input and output of the amplifier being respectively coupled to the source electrode and the back gate electrode of the MOS transistor.
REFERENCES:
patent: 4529897 (1985-07-01), Suzuki et al.
patent: 4638241 (1987-01-01), Colles
Blum Richard K.
NEC Corporation
Shoop Jr. William M.
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