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US3756524A
Expired / Lapsed
US
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Electronic monitoring apparatus and monitoring method for textile materials
Assignee: Zellweger Uster AG
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Filing: 1970-12-14
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Granted: 1973-09-04
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Expires: 1990-12-14
Abstract
Abstract An electronic monitoring system employing electrical circuitry for controlling the movement of textile materials, which circuitry embodies a temperature sensing device past which moves the textile material. The movement of the textile material past the temperature sensing device brings about changes in temperature of the temperature sensing device owing to the thus generated movement of the atmosphere surrounding the temperature sensing device and/or owing to contact of the textile material with the temperature sensing device. The changes in temperature of the temperature sensing device cause a change of the output signal of the circuitry which can be used to evaluate the presence or movement of the textile material. The method of the invention for monitoring the movement of textile material comprises moving a yarn past a temperature sensing device, bringing about changes in temperature of the temperature sensing device owing to such movement of the yarn, which changes in temperature cause a variation in the output signal of the electrical circuitry associated with the temperature sensing device which can then be used for evaluating the presence or movement of the textile material.
Inventors
- 👤 E Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:29
CPC Classifications
B; B65; B65H; B65H63/00; B65H63/02; B65H63/024; B65H63/028; B65H63/032; B65H63/0321; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
147 words
An electronic monitoring device for controlling the presence or movement of textile materials, especially yarns, ply yarns or threads, roving, slivers, formed of natural fibers or synthetic materials, comprising a circuit arrangement for generating an output signal and incorporating a temperature sensing device past which moves in close proximity thereto the textile material, movement of the textile material past the temperature sensing device placing the air surrounding the temperature sensing device into motion and thus bringing about a change in the temperature of such temperature sensing device, said circuit arrangement including means in circuit with said temperature sensing device, said temperature sensing device and said means in circuit therewith producing a change in the output signal of said circuit arrangement in response to the change in temperature of said temperature sensing device, said output signal being employed to act upon an element responsive to the output signal.
Claim 2
Dependent Claim
147 words
An electronic monitoring device for controlling the presence or movement of textile materials, especially yarns, ply yarns or threads, roving, slivers, formed of natural fibers or synthetic materials, comprising a circuit arrangement for generating an output signal and incorporating a temperature sensing device past which moves in close proximity thereto the textile material, movement of the textile material past the temperature sensing device placing the air surrounding the temperature sensing device into motion and thus bringing about a change in the temperature of such temperature sensing device, said circuit arrangement including means in circuit with said temperature sensing device, said temperature sensing device and said means in circuit therewith producing a change in the output signal of said circuit arrangement in response to the change in temperature of said temperature sensing device, said output signal being employed to act upon an element responsive to the output signal.
Claim 3
Dependent Claim
34 words
The electronic monitoring device as defined in claim 1, wherein said textile material and temperature sensing device are arranged sufficiently close to one another that said textile material physically contacts said temperature sensing device.
Claim 4
Dependent Claim
29 words
The electronic monitoring device as defined in claim 1, wherein said temperature sensing device comprises an electrical resistor element whose resistance value changes as a function of its temperature.
Claim 5
Dependent Claim
58 words
The electronic monitoring device as defined in claim 3, wherein said means of said circuit arrangement comprises a voltage divider, said temperature sensing device being an element of said voltage divider and comprising a variable resistor, the resistance value of which is dependent upon temperature, and wherein the voltage across said temperature sensing device constitutes said output signal.
Claim 6
Dependent Claim
48 words
The electronic monitoring device as defined in claim 3, wherein said means of said circuit arrangement defines a bridge circuit, said temperature sensing device being arranged in one branch of said bridge circuit, and the output voltagE of said bridge defining said output signal of the circuit arrangement.
Claim 7
Dependent Claim
47 words
The electronic monitoring device as defined in claim 5, wherein said bridge circuit includes a further branch which does not contain said temperature sensing device, said further branch being equipped with an electrical component possessing the same temperature-dependency of its resistance value as said temperature sensing device.
Claim 8
Dependent Claim
19 words
The electronic monitoring device as defined in claim 6, wherein said electrical component likewise comprises a temperature sensing device.
Claim 9
Dependent Claim
17 words
The electronic monitoring device as defined in claim 3, wherein said temperature sensing device comprises a NTC-resistor.
Claim 10
Dependent Claim
17 words
The electronic monitoring device as defined in claim 3, wherein said temperature sensing device comprises a PTC-resistor.
Claim 11
Dependent Claim
23 words
The electronic monitoring device as defined in claim 1, wherein said temperature sensing device generates a voltage as a function of its temperature.
Claim 12
Dependent Claim
20 words
The electronic monitoring device as defined in claim 1, wherein said element responsive to the output signal is a motor.
Claim 13
Independent Claim
142 words
A method for monitoring the presence or movement of textile materials, comprising the steps of: moving textile material in close proximity to and past a temperature sensing device arranged in an electrical circuit, agitating the air surrounding the temperature sensing device by means of the moving textile material in order to place the air surrounding the temperature sensing device into a state of motion to thus bring about a change in the temperature of the temperature sensing device due to the presence or movement of the textile material, the change in the temperature of the temperature sensing device altering an electrical parameter thereof, and utilizing such change in temperature of the temperature sensing device to bring about a variation in the output signal of the electrical circuit, which output signal is then indicative of the presence or movement of the textile material.
Claim 14
Independent Claim
142 words
A method for monitoring the presence or movement of textile materials, comprising the steps of: moving textile material in close proximity to and past a temperature sensing device arranged in an electrical circuit, agitating the air surrounding the temperature sensing device by means of the moving textile material in order to place the air surrounding the temperature sensing device into a state of motion to thus bring about a change in the temperature of the temperature sensing device due to the presence or movement of the textile material, the change in the temperature of the temperature sensing device altering an electrical parameter thereof, and utilizing such change in temperature of the temperature sensing device to bring about a variation in the output signal of the electrical circuit, which output signal is then indicative of the presence or movement of the textile material.
Claim 15
Dependent Claim
24 words
The method as defined in claim 12, including the step of utilizing the output signal for supervising the textile material at a textile machine.
Claim 16
Dependent Claim
23 words
The method as defined in claim 12, including the step of utilizing the output signal for controlling the operation of a textile machine.
Claim 17
Dependent Claim
24 words
The method as defined in claim 12, including the step of utilizing the output signal for supervising the textile material of a spinning machine.
Claim 18
Dependent Claim
24 words
The method as defined in claim 12, including the step of utilizing the output signal for supervising the textile material of a winding machine.
Claim 19
Dependent Claim
37 words
The method as defined in claim 12, wherein the step of moving the textile material past the temperature sensing device includes the step of moving the textile material in its lengthwise direction past the temperature sensing device.
Claim 20
Dependent Claim
38 words
The method as defined in claim 12, wherein the step of moving the textile material past the temperature sensing device includes the step of moving the textile material in a transverse direction with regard to its lengthwise axis.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |