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Magnetism sensor

A sensor and magnetic technology, applied in the field of sensors, can solve the problem of large volume of magnetic sensors and achieve the effect of reducing the volume

Pending Publication Date: 2018-04-06
WEIHAI HUALING OPTO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] An embodiment of the present invention provides a magnetic sensor to at least solve the technical problem of the high-resolution magnetic sensor in the related art being too large

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Embodiment Construction

[0022] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0023] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a magnetism sensor. The magnetism sensor uses magnetism induction chips whose sizes are smaller than the size of a magnetic head to sense magnetism, the size of the magnetism sensor can be reduced, the amount of the magnetism induction chips can be selected according to the resolution requirement, and it can be ensured that the size of the magnetism sensor is not too largewhile the resolution requirement is met. The technical problem that a magnetism sensor of high resolution is too large in size in the related art is solved.

Description

technical field [0001] The invention relates to the field of sensors, in particular to a magnetic sensor. Background technique [0002] The magnetic sensor is a sensor capable of inducing magnetic signals, which can be applied in the field of counterfeit banknotes. Banknote counters, banknote detectors, sorting machines, etc. can identify the authenticity of banknotes through magnetism. Signal detection performance is particularly important. [0003] Most of the existing magnetic sensors are single-head sensors, or low-resolution multi-head sensors formed by a plurality of single-head arrangements. Due to the large volume of the magnetic head itself, the signal processing circuit in the multi-head sensor ( The circuit used to process the output signals of multiple magnetic heads, each magnetic head corresponds to a signal processing circuit), resulting in a large volume of the magnetic sensor, if you want to achieve high-resolution detection, the volume of the magnetic sens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07D7/04G01D5/14
CPCG07D7/04G01D5/14
Inventor 姜利孙明丰孙晓峰王培晓
Owner WEIHAI HUALING OPTO ELECTRONICS CO LTD
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