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Inductive sensor

About: Inductive sensor is a research topic. Over the lifetime, 2282 publications have been published within this topic receiving 21984 citations.


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Patent
21 Sep 1991
TL;DR: In this paper, an inductive length-measuring stylus has a base body in which a contact rod is guided to move horizontally, and the base body further contains a primary coil, to which an AC voltage is to be applied, and a secondary coil that can be connected to evaluation electronics.
Abstract: An inductive length-measuring stylus has a base body in which a contact rod is guided to move horizontally. The base body further contains a primary coil, to which an AC voltage is to be applied, and a secondary coil that can be connected to evaluation electronics. Both coils are magnetically connected to one another via ferromagnetic return devices. All the parts, situated in the field of the primary winding, of the ferromagnetic return device are fixed, in order to improve the linearity of the length-measuring stylus for a given stroke, or to increase the stroke for a given linearity.

7 citations

Patent
Freise Rainer1
30 Jan 2014
TL;DR: In this article, the wheel sensor has an inductive sensor for detecting magnetic field change as a result of the iron wheels of a rail vehicle, which is arranged at a side of the rail of the track.
Abstract: The wheel sensor has an inductive sensor (1) for detecting a magnetic field change as a result of the iron wheels of a rail vehicle. The inductive sensor is arranged at a side of a rail (2) of the track. The inductive sensor comprises a transmitting coil (4) and two receiving coils (5,6). The receiving coils have adjacent partial coils (5.1,5.2,6.1,6.2) connected in series in anti-phase. The partial coils are parametrized identically.

7 citations

Patent
31 Jan 2011
TL;DR: In this article, an arrangement and a circuit for an inductive sensor push-button are presented, which optimizes the placement of the target in order to provide the user interfaces of household appliances and products with a front plate thickness that corresponds to current values.
Abstract: Disclosed are an arrangement and a circuit for an inductive sensor push-button. The circuit optimizes the signal strength and the noise immunity by reducing the number of long paths by the circuit board and locally assigns the driver circuit to each sensor coil of the push-button arrangement. The push-button arrangement optimizes the placement of the target in order to provide the user interfaces of household appliances and products with a front plate thickness that corresponds to current values.

7 citations

Patent
15 Sep 2004
TL;DR: In this article, a method and apparatus for measuring temperature of a conductive film or coating on a non-conductive substrate or on a substrate having conductivity significantly lower than that of the material or coating is presented.
Abstract: The invention provides a method and apparatus for measuring temperature of a conductive film or coating on a non-conductive substrate or on a substrate having conductivity significantly lower than that of the film or coating. The temperature is measured with the use of an inductive sensor as at least one of electrical characteristics of the film or coating the relation of which with the temperature is known. The invention is intended for use in processes that involve heating of the conductive film or coating, e.g., annealing. The sensor is located on the side of the object-holding chuck opposite to the object but at a distance from the object that provides sensitivity of the sensor. A distinguishing feature of the invention is a shield formed from a layer of a dielectric-liquid that is permeable to electromagnetic waves but resistant to permeation of heat flow. This shield is arranged between the aforementioned conductive film or coating on a semiconductive substrate and the inductive sensor for shielding the sensor against influence of heat developed in the processing chamber. Preferably, the sensor is an inductive resonance-type sensor.

7 citations

Patent
17 Jul 1985
Abstract: Multiple-phase two-pole inductive sensor, with non-wound rotor recessed over a half-circumference. The stator 11 includes a primary 5 wound in four poles and a series of secondaries 4, 6, 7. The voltages of the secondaries are combined in order to ensure operation of the sensor as a resolver, as a linear inductive sensor, and as an absolute angular position sensor.

7 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202321
202242
202140
202082
201997
201871