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Metal key

A key and metal technology, which is applied in the field of size judgment and key processing, and can solve the problems of short service life, poor reliability, and high cost of anti-static treatment of the keyboard.

Pending Publication Date: 2017-08-01
METTLER TOLEDO (CHANGZHOU) MEASUREMENT TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing instrument buttons on the market basically use silicone buttons and membrane buttons, and the silicone buttons are gradually eliminated due to their short service life.
The service life of membrane keys is usually more than 1 million times; the keys themselves are easily damaged in industrial sites; the cost of anti-static treatment for keyboards is high; long-term exposure to humid environments will reduce the insulation between lines, resulting in poor reliability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 As shown, the metal button 100 includes a metal shell 101 , adhesives 102 and 104 , a support plate 103 with holes, and a coil plate 105 , wherein the induction coil 106 is located above the coil plate 105 . It also includes a push button 107, which is made of metal material or plastic with metal material, and the user can press the push button 107. The adhesive 102 is located between the metal shell 101 and the supporting plate 103 with holes, and the adhesive 104 is located between the supporting plate 103 and the coil handle 105 .

[0036] Several induction coils 106 are connected to a multiplexer, so that the change of the distance between the pressed key 107 and the induction coil 106 is transmitted through the same multiplexer. The multiplexer is connected to the electrical parameter digital converter, and the electrical parameter digital converter converts the above-mentioned changes into digital signals and transmits them to the microprocessor ...

Embodiment 2

[0040] Such as figure 1 As shown, the metal button 100 includes a metal shell 101 , adhesives 102 and 104 , a support plate 103 with holes, and a coil plate 105 , wherein the induction coil 106 is located above the coil plate 105 . It also includes a pressing key 107, which is made of metal material or plastic with metal material, and the user can press the pressing key 107. The adhesive 102 is located between the metal shell 101 and the supporting plate 103 with holes, and the adhesive 104 is located between the supporting plate 103 and the coil handle 105 .

[0041] Several induction coils 106 are connected to a multiplexer, so that the change of the distance between the pressed key 107 and the induction coil 106 is transmitted through the same multiplexer. The multiplexer is connected to the electrical parameter digital converter, and the electrical parameter digital converter converts the above-mentioned changes into digital signals and transmits them to the microprocesso...

Embodiment 3

[0045] Such as figure 1 As shown, the metal button 100 includes a metal shell 101 , adhesives 102 and 104 , a support plate 103 with holes, and a coil plate 105 , wherein the induction coil 106 is located above the coil plate 105 . It also includes a push key 107, which can be pressed by the user. The adhesive 102 is located between the metal shell 101 and the supporting plate 103 with holes, and the adhesive 104 is located between the supporting plate 103 and the coil handle 105 .

[0046] Several induction coils 106 are connected to a multiplexer, so that the change of the distance between the pressed key 107 and the induction coil 106 is transmitted through the same multiplexer. The multiplexer is connected to the electrical parameter digital converter, and the electrical parameter digital converter converts the above-mentioned changes into digital signals and transmits them to the microprocessor for processing.

[0047]In addition, the metal key 100 also includes a plura...

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PUM

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Abstract

The invention provides a metal key, which comprises a metal shell, a supporting board with a hole, a coil board, a first binder and a second binder, wherein a pressing key is located above the metal shell; a sensing coil is arranged in the coil board; and the first binder and the second binder are located between the metal shell and the supporting board with a hole and between the supporting board with a hole and the coil board.

Description

technical field [0001] The invention relates to a technology for identifying and processing buttons by sensing the displacement of metal and electronic coils, in particular to an application for judging and processing buttons according to the magnitude of metal displacement caused by pressing force. Background technique [0002] The existing instrument buttons on the market basically use silicone buttons and membrane buttons, and the silicone buttons are gradually eliminated due to their short service life. The lifespan of thin-film keys is usually more than 1 million times; the keys themselves are easily damaged in industrial sites; the cost of anti-static treatment for keyboards is high; long-term exposure to humid environments will reduce the insulation between lines, resulting in poor reliability. Contents of the invention [0003] The object of the present invention is to provide a metal key to address the shortcomings of the above-mentioned silicone key and film key,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H13/705H01H13/704
CPCH01H13/704H01H13/705H01H2223/008H01H2239/024
Inventor 王树君沈波吴炜杰杨勇钱沈俭
Owner METTLER TOLEDO (CHANGZHOU) MEASUREMENT TECH CO LTD
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