US PATENT SUBCLASS 388 / 907
SPECIFIC CONTROL CIRCUIT ELEMENT OR DEVICE

Current as of: June, 1999
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388 /   HD   ELECTRICITY: MOTOR CONTROL SYSTEMS

907SPECIFIC CONTROL CIRCUIT ELEMENT OR DEVICE {13}
907.2  DF  .~> Bridge circuit
907.5  DF  .~> Computer or microprocessor
908  DF  .~> Frequency to voltage converter
909  DF  .~> Monitoring means
910  DF  .~> Operational/differential amplifier
911  DF  .~> Phase locked loop
912  DF  .~> Pulse or frequency counter
913  DF  .~> Saturable reactor, space discharge device, or magnetic amplifier {1}
915  DF  .~> Sawtooth or ramp waveform generator
916  DF  .~> Threshold circuit
917  DF  .~> Thyristor or SCR {3}
921  DF  .~> Timer or time delay means
922  DF  .~> Tuned or resonant circuit

DEFINITION

Classification: 388/907

SPECIFIC CONTROL CIRCUIT ELEMENT OR DEVICE:

(under the class definition) Electronic cross-reference art collection including miscellaneous circuit subsystems or devices used in control systems throughout this class.

(1) Note. This art collection is intended to serve as a repository for art which an examiner wishes to collect as he would do in creating an "unofficial digest". When sufficient art embodying a given creative concept is assembled here, an official art collection will be established for that concept.