US3840302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscilloscope presentation of sheet profile from a scanning gage
Assignee: ABB Automation Inc
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Filing: 1973-01-05
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Granted: 1974-10-08
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Expires: 1993-01-05
Abstract
Abstract An apparatus for visual presentation of sheet profiles, comprising a sheet scanning gauge of a type which produces an electrical signal which is a function of a selected variable property of a sheet over its width and length, a signal processor which develops a usable electric signal which is a function of the variable property, a signal storage device which stores the signal from each transverse scan of the sheet, a signal readout device which readsout the stored signals from a plurality of consecutive transverse scans of the sheet, and a cathode ray tube display device which accepts signals from the signal readout device and pressure a visual display of the sheet profile for a plurality of transverse scans made by the scanning gauge.
Inventors
- 👤 D Brunton
- 👤 F Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:18
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; G01B11/06; G01B11/0691; G01R; G01R13/00; G01R13/20; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/16
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
192 words
A system for obtaining and simultaneously displaying a plurality of measurement profiles taken at intervals across a moving sheet, comprising: means for making successive transverse scans across said moving sheet at longitudinally spaced intervals therealong, and measuring means associated with said scanning means for measuring a selected property of said sheet and producing electrical signals whose instantaneous value is representative of said selected property at the transverse point of measurement; a cathode ray oscilloscope having a screen; means for producing successive cathode ray sweeps across said oscilloscope screen, means synchronized with said measuring scanning means for correlating said sweeps with the scans of said sheet, and sweep deflection means responsive to said electrical measurement signals for orthogonally deflecting each point on successive sweeps a representative deviation from a reference base whereby measurement profiles of said sheet are traced in succession on said oscilloscope screen; means for maintaining a residual simultaneous display of successive multiple traces on said oscilloscope screen over a predetermined period of time; and programming means for displacing said simultaneous residual display a successive measurement profiles on successive traces of said cathode ray oscilloscope screen with respect to each other.
Claim 2
Independent Claim
192 words
A system for obtaining and simultaneously displaying a plurality of measurement profiles taken at intervals across a moving sheet, comprising: means for making successive transverse scans across said moving sheet at longitudinally spaced intervals therealong, and measuring means associated with said scanning means for measuring a selected property of said sheet and producing electrical signals whose instantaneous value is representative of said selected property at the transverse point of measurement; a cathode ray oscilloscope having a screen; means for producing successive cathode ray sweeps across said oscilloscope screen, means synchronized with said measuring scanning means for correlating said sweeps with the scans of said sheet, and sweep deflection means responsive to said electrical measurement signals for orthogonally deflecting each point on successive sweeps a representative deviation from a reference base whereby measurement profiles of said sheet are traced in succession on said oscilloscope screen; means for maintaining a residual simultaneous display of successive multiple traces on said oscilloscope screen over a predetermined period of time; and programming means for displacing said simultaneous residual display a successive measurement profiles on successive traces of said cathode ray oscilloscope screen with respect to each other.
Claim 3
Dependent Claim
29 words
The system of claim 1 further including signal storage means interposed between said measuring means and said cathode ray oscilloscope for storing electrical signals produced by said measuring means.
Claim 4
Dependent Claim
45 words
The apparatus set forth in claim 2 wherein said means interposed between said measuring means and said oscilloscope for storing electrical signals produced by said measuring means further includes means for retrieving said stored electrical signals and applying the retrieved electrical signals to said oscilloscope.
Claim 5
Independent Claim
233 words
A system for obtaining and simultaneously displaying a plurality of measurement profiles taken at intervals across a moving sheet, comprising means for making successive scans across said moving sheet at longitudinally spaced intervals therealong, measuring means associated with said scanning means for measuring a selected property of said sheet as said sheet is bEing scanned and producing electrical signals whose instantaneous amplitude is a function of said selected property for a particular portion of said sheet being scanned at a given instant, a storage cathode ray oscilloscope means responsive to said electrical signals for visually tracing in succession the measurement profiles of said sheet and maintaining a residual simultaneous display of multiple traces over a predetermined period of time, each measurement profile being displayed as a line trace and each point on said trace being an amplitude deviation from a reference base, said oscilloscope means having a storage cathode ray tube, sweep means responsive to a sweep voltage for normally producing successive linear cathode ray sweeps across said cathode ray tube, and sweep deflection means responsive to said electrical measurement signals for deflecting successive sweeps in accordance with the measurement profiles of said sheet, means synchronized with said scanning means for supplying the sweep voltage to said oscilloscope sweep means, and programming means for vertically displacing visual traces of successive measurement profiles on said cathode ray oscilloscope tube with respect to each other.
Claim 6
Independent Claim
233 words
A system for obtaining and simultaneously displaying a plurality of measurement profiles taken at intervals across a moving sheet, comprising means for making successive scans across said moving sheet at longitudinally spaced intervals therealong, measuring means associated with said scanning means for measuring a selected property of said sheet as said sheet is bEing scanned and producing electrical signals whose instantaneous amplitude is a function of said selected property for a particular portion of said sheet being scanned at a given instant, a storage cathode ray oscilloscope means responsive to said electrical signals for visually tracing in succession the measurement profiles of said sheet and maintaining a residual simultaneous display of multiple traces over a predetermined period of time, each measurement profile being displayed as a line trace and each point on said trace being an amplitude deviation from a reference base, said oscilloscope means having a storage cathode ray tube, sweep means responsive to a sweep voltage for normally producing successive linear cathode ray sweeps across said cathode ray tube, and sweep deflection means responsive to said electrical measurement signals for deflecting successive sweeps in accordance with the measurement profiles of said sheet, means synchronized with said scanning means for supplying the sweep voltage to said oscilloscope sweep means, and programming means for vertically displacing visual traces of successive measurement profiles on said cathode ray oscilloscope tube with respect to each other.
Claim 7
Dependent Claim
55 words
The system set forth in claim 4 wherein said programming means include line counting means for counting successive transverse scans made by said scanning means across said sheet and producing a signal after each scan for vertically displacing the cathode ray tube trace for the next succeeding scan from the trace of the preceding scan.
Claim 8
Dependent Claim
34 words
The system set forth in claim 5 wherein said line counting means includes reset means for returning said trace to a predetermined level on said cathode ray tube after a predetermined number of scans.
Claim 9
Dependent Claim
34 words
The system set forth in claim 6 wherein said line counting means includes an erase command signal generating means for generating an erase command signal for erasing residual displays on said cathode ray tube.
Claim 10
Dependent Claim
38 words
The system set forth in claim 7 wherein said erase command signal generating means and said reset means operate simultaneously to erase residual traces on said cathode ray tube and return the next trace to said predetermined level.
Claim 11
Dependent Claim
239 words
Apparatus for displaying information indicative of a moving sheet, said information being simultaneously displayed for different cross sheet locations of the sheet, comprising gauge means for monitoring at least one property of the moving sheet, means for scanning the gauge means in a direction between the edges of the moving sheet, means responsive to the gauge means for simultaneously storing plural signals each having amplitude variations indicative of the monitored at least one property at different cross sheet locations, an electronic optical display having electrodes and a face for providing a display in a pair of orthogonal X and Y axes in response to energization of the electrodes, means responsive to the storing means for activating the electrodes so that on the face there are simultaneously displayed different visual traces that are two dimensional replicas of variations of more than one of the plural stored signals, the electrodes being energized so that: the different traces have different, substantially parallel reference positions extending along the X axis of the face, said different cross sheet locations being represented by different positions along the X axis, different reference positions being at different Y axis positions, and each of the traces is displaced along the Y axis from the reference position for the trace by an amount commensurate with the amplitude of the stored signal corresponding to the trace at X axis locations corresponding with the cross sheet locations of the gauge means.
Claim 12
Dependent Claim
239 words
Apparatus for displaying information indicative of a moving sheet, said information being simultaneously displayed for different cross sheet locations of the sheet, comprising gauge means for monitoring at least one property of the moving sheet, means for scanning the gauge means in a direction between the edges of the moving sheet, means responsive to the gauge means for simultaneously storing plural signals each having amplitude variations indicative of the monitored at least one property at different cross sheet locations, an electronic optical display having electrodes and a face for providing a display in a pair of orthogonal X and Y axes in response to energization of the electrodes, means responsive to the storing means for activating the electrodes so that on the face there are simultaneously displayed different visual traces that are two dimensional replicas of variations of more than one of the plural stored signals, the electrodes being energized so that: the different traces have different, substantially parallel reference positions extending along the X axis of the face, said different cross sheet locations being represented by different positions along the X axis, different reference positions being at different Y axis positions, and each of the traces is displaced along the Y axis from the reference position for the trace by an amount commensurate with the amplitude of the stored signal corresponding to the trace at X axis locations corresponding with the cross sheet locations of the gauge means.
Claim 13
Dependent Claim
19 words
The apparatus of claim 9 wherein said electronic optical display comprises a television receiver having a cathode ray tube.
Claim 14
Dependent Claim
49 words
The apparatus of claim 9 wherein the gauge means includes means for monitoring a plurality of properties Of the moving sheet, and means for coupling signals indicative of the plural monitored properties from the gauge means to the means for storing so that the different monitored properties are displayed.
Claim 15
Dependent Claim
88 words
The apparatus of claim 9 wherein the gauge means is scanned in a direction between the edges of the moving sheet a plurality of times, whereby the means for storing simultaneously stores signals for several different scans and the plural signals stored by the means for storing are for different machine direction locations of the sheet, said means for activating the electrodes including means for energizing the electrodes so that different ones of the plural signals for the different machine direction locations are displayed as the different traces.
Claim 16
Dependent Claim
40 words
The apparatus of claim 12 wherein the means for activating the electrodes includes means for simultaneously displaying the different traces so that the same cross sheet locations of the different traces are represented by substantially the same X axis positions.
Claim 17
Dependent Claim
40 words
The apparatus of claim 9 wherein the means for activating the electrodes includes means for simultaneously displaying the different traces so that the same cross sheet locations of the different traces are represented by substantially the same X axis positions.
Claim 18
Dependent Claim
114 words
The apparatus of claim 9 wherein the gauge means is scanned in a direction between the edges of the moving sheet a plurality of times, said means for storing including means for storing signals from a number of scans, and means responsive to the stored signals from the number of scans for activating the display means to display one trace indicative of an accumulation of signals from a number of the scans, whereby the one trace is displaced along the Y axis from the reference position for that trace by an amount commensurate with the amplitude of the one trace at X axis locations corresponding with the cross sheet locations of the gauge means.
Claim 19
Independent Claim
25 words
The system set forth in cliam 9 together with means for displaying a scale on said cathode ray tube screen superimposed on said visual traces.
Claim 20
Independent Claim
25 words
The system set forth in cliam 9 together with means for displaying a scale on said cathode ray tube screen superimposed on said visual traces.
Claim 21
Dependent Claim
25 words
The system set forth in claim 16 wherein said scale marks increments of distance corresponding to distances across said sheet from a selected edge thereof.
Claim 22
Dependent Claim
47 words
The system set forth in claim 16 wherein the scale producing means includes an external programming system for producing electric scale marking pulses, and electronic scale producing means responsive to said marking pulses to enable said scale to be visually produced and superimposed on said visual traces.
Claim 23
Dependent Claim
50 words
The system set forth in claim 18 wherein said activating means comprises a voltage source, and means for periodically connecting said voltage source to said electronic scale producing means at intervals corresponding to equally spaced distances of movement of said gauge means across said sheet from a selected reference point.
Claim 24
Dependent Claim
20 words
The system set forth in claim 9 together with externally controlled means for erasing said stored signals at preselected intervals.
Claim 25
Dependent Claim
48 words
The system set forth in claim 20 wherein said externally controlled means for erasing said stored signals is controlled by a line counting means for counting successive scans made by said gauge means across said sheet and producing an erase command signal after a predetermined number of scans.
Claim 26
Dependent Claim
43 words
The system set forth in claim 9 together with electronic means for producing a visual reference trace on said screen at each Y axis position corresponding with each reference position, whereby each stored signal visual trace can be compared with each reference trace.
Claim 27
Dependent Claim
53 words
The system set forth in claim 22 wherein said means for producing a reference trace includes means for generating a reference voltage and switching means for alternately connecting said reference voltage and said measurement signal to said means for storing for successive intervals during the traverse of said scanning means across said sheet.
Claim 28
Dependent Claim
25 words
The apparatus set forth in claim 9 wherein said means for storing electrical signals produced by said scanning measuring means is a magnetic memory device.
Claim 29
Dependent Claim
46 words
The apparatus as set forth in claim 9 wherein said storage means for storing measurement signals produced by said gauge means stores a summation of said signals for a plurality of scans made by gauge means, together with means for retrieving said stored signals on command.
Claim 30
Dependent Claim
22 words
The apparatus set forth in claim 25 wherein said retrieved signals are visually displayed as a summation of a number of scans.
Claim 31
Dependent Claim
23 words
The apparatus set forth in claim 25 wherein said retrieved signals are visually displayed as an average profile of a number of scans.
Claim 32
Dependent Claim
53 words
The apparatus set forth in claim 3 wherein said means for storing electrical signals produced by said scanning measuring means stores a summation of said electric signals for a plurality of scans made by said scanning measuring means, together with programming means for automatically actuating said means for retrieving said stored electrical signals.
Claim 33
Dependent Claim
23 words
The apparatus set forth in claim 28 wherein said retrieved electric signals are visually displayed as a summation of a number of scans.
Claim 34
Dependent Claim
24 words
The apparatus set forth in claim 28 wherein said retrieved electric signals are visually displayed as an average profile of a number of scans.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |