US PATENT SUBCLASS 327 / 540
.~.~.~ With voltage source regulating

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

524  DF  SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM {22}
530  DF  .~ With specific source of supply or bias voltage {9}
538  DF  .~.~ Stabilized (e.g., compensated, regulated, maintained, etc.) {4}
540.~.~.~ With voltage source regulating {1}
541  DF  .~.~.~.~> With field-effect transistor

DEFINITION

Classification: 327/540

With voltage source regulating:

(under subclass 538) Subject matter wherein a voltage supplied to the electrodes of a space discharge device or to a solid-state device is maintained constant at a predetermined value.

SEE OR SEARCH THIS CLASS, SUBCLASS:

306, for amplitude control systems of a converted or shaped signal.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

287, for periodic types of current or voltage regulator used with pulsating or AC supplies and subclasses 291+ for current or voltage regulation systems where the discharge device is the ultimate load claimed.

323, Electricity: Power Supply or Regulation Systems,

227, and 291 for voltage magnitude control systems with electron discharge devices where there is no interposed signal controlled transducer between the original and controlled energy. 330, Amplifiers,

127+, for control of amplifier power supplies or bias voltages.

331, Oscillators,

186, for oscillators with regulated power supplies.

363, Electric Power Conversion Systems,

74+, for voltage or magnitude control for current conversion systems (e.g., rectification, derectification, etc.).