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Title: TIME CALIBRATED OSCILLOSCOPE SWEEP

Abstract

The time calibrator of an electric signal displayed on an oscilloscope is described. In contrast to the conventional technique of using time-calibrated divisions on the face of the oscilloscope, this invention provides means for directly superimposing equal time spaced markers upon a signal displayed upon an oscilloscope. More explicitly, the present invention includes generally a generator for developing a linear saw-tooth voltage and a circuit for combining a high-frequency sinusoidal voltage of a suitable amplitude and frequency with the saw-tooth voltage to produce a resultant sweep deflection voltage having a wave shape which is substantially linear with respect to time between equal time spaced incremental plateau regions occurring once each cycle of the sinusoidal voltage. The foregoing sweep voltage when applied to the horizontal deflection plates in combination with a signal to be observed applied to the vertical deflection plates of a cathode ray oscilloscope produces an image on the viewing screen which is essentially a display of the signal to be observed with respect to time. Intensified spots, or certain other conspicuous indications corresponding to the equal time spaced plateau regions of said sweep voltage, appear superimposed upon said displayed signal, which indications are therefore suitable for direct timemore » calibration purposes.« less

Inventors:
; ;
Issue Date:
Research Org.:
Originating Research Org. not identified
OSTI Identifier:
4310673
Patent Number(s):
2832002
Assignee:
U. S. Atomic Energy Commission DTIE; NSA-12-014449
NSA Number:
NSA-12-014449
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-58
Country of Publication:
United States
Language:
English
Subject:
PATENTS; ELECTRIC POTENTIAL; FREQUENCY; OPERATION; OSCILLOGRAPHS; PATENT; PULSE GENERATORS; PULSES; STANDARDS

Citation Formats

Owren, H.M., Johnson, B.M., and Smith, V.L. TIME CALIBRATED OSCILLOSCOPE SWEEP. United States: N. p., 1958. Web.
Owren, H.M., Johnson, B.M., & Smith, V.L. TIME CALIBRATED OSCILLOSCOPE SWEEP. United States.
Owren, H.M., Johnson, B.M., and Smith, V.L. Tue . "TIME CALIBRATED OSCILLOSCOPE SWEEP". United States.
@article{osti_4310673,
title = {TIME CALIBRATED OSCILLOSCOPE SWEEP},
author = {Owren, H.M. and Johnson, B.M. and Smith, V.L.},
abstractNote = {The time calibrator of an electric signal displayed on an oscilloscope is described. In contrast to the conventional technique of using time-calibrated divisions on the face of the oscilloscope, this invention provides means for directly superimposing equal time spaced markers upon a signal displayed upon an oscilloscope. More explicitly, the present invention includes generally a generator for developing a linear saw-tooth voltage and a circuit for combining a high-frequency sinusoidal voltage of a suitable amplitude and frequency with the saw-tooth voltage to produce a resultant sweep deflection voltage having a wave shape which is substantially linear with respect to time between equal time spaced incremental plateau regions occurring once each cycle of the sinusoidal voltage. The foregoing sweep voltage when applied to the horizontal deflection plates in combination with a signal to be observed applied to the vertical deflection plates of a cathode ray oscilloscope produces an image on the viewing screen which is essentially a display of the signal to be observed with respect to time. Intensified spots, or certain other conspicuous indications corresponding to the equal time spaced plateau regions of said sweep voltage, appear superimposed upon said displayed signal, which indications are therefore suitable for direct time calibration purposes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1958},
month = {4}
}