US PATENT SUBCLASS 327 / 336
.~ By integrating

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

334  DF  SPECIFIC INPUT TO OUTPUT FUNCTION {9}
336.~ By integrating {9}
337  DF  .~.~> Having switched capacitance
338  DF  .~.~> With thermionic tube
339  DF  .~.~> With summing or counting
340  DF  .~.~> Single vacuum tube
341  DF  .~.~> With compensation
342  DF  .~.~> With transducer
343  DF  .~.~> With rectifier circuit
344  DF  .~.~> Including RC circuit
345  DF  .~.~> Having feedback

DEFINITION

Classification: 327/336

By integrating:

Subject matter under 334 wherein the output signal is proportional to a time integral function of the input signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14+, for systems wherein the rate of change of an input signal is detected.

100+, for wave conversion or shaping systems which may include differentiating or integrating means.

131+, for systems producing a sawtooth output utilizing integration or differentiation.

335, for input signal differentiation.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

141, 456+, 609+, 621+, and 702 for a motor control network involving differentiation or integration.

323, Electricity: Power Supply or Regulation Systems,

212, 219 for miscellaneous phase control networks which involve differentiating or integrating networks.

331, Oscillators,

17, for systems with means for the automatic frequency control of an oscillator and involving integrating networks.

333, Wave Transmission Lines and Networks,

19, for a passive network performing differentiation or integration and being of general utility.

388, Electricity: Motor Control Systems, cross-reference art collections 900+ for motor control systems including integration circuits.

708, Electrical Computers: Arithmetic Processing and Calculating,

823+, for an analog computer adapted to perform an integration function.