US PATENT SUBCLASS 455 / 148
.~.~ With oscilloscope sweep signal derivation or control

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
145  DF  .~ Panoramic display {3}
148.~.~ With oscilloscope sweep signal derivation or control

DEFINITION

Classification: 455/148

With oscilloscope sweep signal derivation or control:

(under subclass 145) Subject matter wherein the receiver includes particular means for generating or controlling the voltage applied to the oscilloscope (e.g., control of voltage amplitude or cathode-ray beam intensity).

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

364+, for cathode-ray tube deflection systems in general, particularly subclasses 383+ for ray beam intensity control.

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

131+, for miscellaneous sawtooth or ramp circuit.

331, Oscillators,

143+, for free running relaxation oscillators utilized as sawtooth generators.