US PATENT SUBCLASS 257 / 108
.~ Controlled by nonelectrical, nonoptical external signal (e.g., magnetic field, pressure, thermal)


Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

107  DF  REGENERATIVE TYPE SWITCHING DEVICE (E.G., SCR, COMFET, THYRISTOR) {19}
108.~ Controlled by nonelectrical, nonoptical external signal (e.g., magnetic field, pressure, thermal)


DEFINITION

Classification: 257/108

Controlled by nonelectrical, nonoptical external signal

(e.g., magnetic field, pressure, thermal):

(under subclass 107) Subject matter wherein the regenerative switching device is controlled by an input signal other than an optical or electrical signal (e.g., by a magnetic field) or by mechanical stress.