US3890834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Force or tension measuring means
Assignee: ABB Norden Holding AB
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Filing: 1974-04-17
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Granted: 1975-06-24
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Expires: 1994-04-17
Abstract
Abstract An improved method of measuring physical quantities such as pressure, tensile force and so on in a material, such as the striplike material in a rolling mill, using a plurality of measuring devices side-by-side, each covering a zone, which devices provide an electrical output proportional to the pressure (strip stress) thereon, and in doing so assume that the whole of the sensor (zone) is covered by the strip being sensed, in which means are provided to correct the outputs of those sensors on the end which are not completely covered by the strip. Means are provided for determining the percentage of coverage of the sensors on the ends, and for multiplying the output of those sensors by a correction factor in order to obtain a corrected output which accurately reflects the physical quantity being measured.
Inventors
- 👤 Michael Henze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:27
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/10; G01L5/108; B; B21; B21B; B21B38/00; B21B38/02; G01L5/045
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
111 words
In an arrangement wherein a plurality of measuring devices are arranged side-by-side for measuring the pressure of a strip placed on top thereof at each a plurality of zones, with the outputs of the measuring devices provided to indicating means, apparatus to correct for errors caused by the measuring devices on the ends not being completely covered by the strip comprising: a. means for coupling the measuring devices of the completely covered zones to the indicating means; b. means having the outputs of said partially covered devices as inputs, said means adapted to correct said inputs and provide corrected outputs; and c. means providing said corrected outputs to said indicating means.
Claim 2
Dependent Claim
111 words
In an arrangement wherein a plurality of measuring devices are arranged side-by-side for measuring the pressure of a strip placed on top thereof at each a plurality of zones, with the outputs of the measuring devices provided to indicating means, apparatus to correct for errors caused by the measuring devices on the ends not being completely covered by the strip comprising: a. means for coupling the measuring devices of the completely covered zones to the indicating means; b. means having the outputs of said partially covered devices as inputs, said means adapted to correct said inputs and provide corrected outputs; and c. means providing said corrected outputs to said indicating means.
Claim 3
Dependent Claim
40 words
The arrangement of claIm 1 wherein said means for coupling include means for determining which zones are completely covered and means responsive thereto switch the outputs of the measuring devices associated with said completely covered zones to said indicating means.
Claim 4
Dependent Claim
31 words
The arrangement of claim 1 wherein said means for correcting include means for determining the degree of coverage of said partially covered zones and means for developing a correction signal therefrom.
Claim 5
Dependent Claim
54 words
The arrangement of claim 1 wherein the apparatus of claim 1 is divided into two signal transmission members each including means for coupling, means for correcting and means for providing, one of the members being associated with the zones on the right and the other with the zones on the left of the arrangement.
Claim 6
Dependent Claim
137 words
In an arrangement wherein a plurality of measuring devices are arranged side-by-side for measuring the pressure of a strip placed on top thereof at each a plurality of zones, with the outputs of the measuring devices provided to indicating means, apparatus to correct for errors caused by the zones on the ends not being completely covered by the strip comprising: a. means for determining which zones are completely covered; b. means for coupling measuring devices of the completely covered zones to the indicating means; c. means for finding the portion of covering of the partially covered zones and for developing a correction signal therefrom; d. means for multiplying the outputs of the devices associated with partially covered zones by said correction signal to obtain corrected outputs; and e. means providing said corrected outputs to said indicating means.
Claim 7
Dependent Claim
137 words
In an arrangement wherein a plurality of measuring devices are arranged side-by-side for measuring the pressure of a strip placed on top thereof at each a plurality of zones, with the outputs of the measuring devices provided to indicating means, apparatus to correct for errors caused by the zones on the ends not being completely covered by the strip comprising: a. means for determining which zones are completely covered; b. means for coupling measuring devices of the completely covered zones to the indicating means; c. means for finding the portion of covering of the partially covered zones and for developing a correction signal therefrom; d. means for multiplying the outputs of the devices associated with partially covered zones by said correction signal to obtain corrected outputs; and e. means providing said corrected outputs to said indicating means.
Claim 8
Dependent Claim
246 words
In an arrangement wherein a plurality of measuring devices are arranged side-by-side for measuring the pressure of a strip placed on top thereof at each a plurality of zones, with the outputs of the measuring devices provided to indicating means, apparatus to correct for errors caused by the zones on the ends not being completely covered by the strip comprising: a. a first set of switches associated with respective measuring devices for selectively coupling the measuring devices to the indicating means; b. means for determining which zones are completely covered and providing outputs to close the respective ones of said first set of switches associated with the measuring devices for those zones; c. means for finding the portion of covering of the zones on the ends and to develop a correction signal therefrom; d. means for correcting the output of the measuring devices associated with said end zones which are partially covered using said correction signal; e. a second set of switches similarly associated with said measuring devices for selectively coupling the measured devices associated with said end zones to said means for correction; f. means to determine which zones are partially covered and to close the ones of said second set of switches associated with the measuring devices for these zones; and g. a third set of switches responsive to said means to determine to couple the output of said correcting means to the inputs of said indicating means associated with the partially covered zones.
Claim 9
Dependent Claim
246 words
In an arrangement wherein a plurality of measuring devices are arranged side-by-side for measuring the pressure of a strip placed on top thereof at each a plurality of zones, with the outputs of the measuring devices provided to indicating means, apparatus to correct for errors caused by the zones on the ends not being completely covered by the strip comprising: a. a first set of switches associated with respective measuring devices for selectively coupling the measuring devices to the indicating means; b. means for determining which zones are completely covered and providing outputs to close the respective ones of said first set of switches associated with the measuring devices for those zones; c. means for finding the portion of covering of the zones on the ends and to develop a correction signal therefrom; d. means for correcting the output of the measuring devices associated with said end zones which are partially covered using said correction signal; e. a second set of switches similarly associated with said measuring devices for selectively coupling the measured devices associated with said end zones to said means for correction; f. means to determine which zones are partially covered and to close the ones of said second set of switches associated with the measuring devices for these zones; and g. a third set of switches responsive to said means to determine to couple the output of said correcting means to the inputs of said indicating means associated with the partially covered zones.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |