US PATENT SUBCLASS 327 / 77
.~.~ Input signal compared to single fixed reference

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

1  DF  SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL {11}
50  DF  .~ By amplitude {9}
77.~.~ Input signal compared to single fixed reference {10}
78  DF  .~.~.~> Reference level crossover detecting {1}
80  DF  .~.~.~> Reference determined by threshold of single circuit element {1}
82  DF  .~.~.~> Plural sources of input signal
83  DF  .~.~.~> Temperature compensation
84  DF  .~.~.~> With bridge circuit
85  DF  .~.~.~> Inverting input or output
86  DF  .~.~.~> With transformer
87  DF  .~.~.~> Having feedback
88  DF  .~.~.~> With source as reference
89  DF  .~.~.~> With differential amplifier

DEFINITION

Classification: 327/77

Input signal compared to single fixed reference:

(under subclass 50) Subject matter wherein the input signal is evaluated relative to a standard which is at a constant level of amplitude.

SEE OR SEARCH THIS CLASS, SUBCLASS:

74+, for an input signal compared to multiple fixed references.