Capacitive touch interface assembly

An interface component, capacitive technology, used in electrical components, electronic switches, electrical digital data processing, etc., which can solve problems such as difficult to remove covers and expensive programming equipment.

Active Publication Date: 2012-04-04
ROSEMOUNT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such programming equipment can be expensive and must be shipped to the installation site for use by an operator
However, it is also desirable to be able to configure an industrial process transmitter without having to remove the transmitter cover, as the cover can be difficult to remove and then reinstall, and cover removal unnecessarily exposes the interior of the transmitter to the environment

Method used

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  • Capacitive touch interface assembly
  • Capacitive touch interface assembly
  • Capacitive touch interface assembly

Examples

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Embodiment Construction

[0015] Industrial process transmitters are often used in environments that expose the transmitter to corrosion, fire, explosion, vibration, and other extreme conditions. For this reason, industrial process transmitters are specially constructed so that they can properly withstand the expected operating conditions. To this end, industrial process transmitters typically have rough housings with threadably attachable (ie, screw on) covers made of durable casting and machined metal materials. The cover can include a transparent portion positioned over the local interface assembly. In order to meet explosion-proof requirements, the transparent part is usually set as a relatively thick (for example, about 10 mm or more) piece of glass.

[0016] Ideally, an input is provided to an industrial process transmitter that can be actuated without removing the cover from the housing and exposing the interior of the industrial process transmitter to the environment. It is possible to sense ...

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PUM

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Abstract

A display assembly includes a transparent cover piece, a display shroud having a contact structure arranged to face the transparent cover piece, an interface subassembly mounted on the display shroud, an electronics board shroud having a support member and a connection feature, and a biasing member operably engaged between the display shroud and the electronics board shroud. The connection feature mechanically connects the electronics board shroud to the display shroud while permitting axial displacement and rotation therebetween. The biasing member rests on the support member of the electronics board shroud, and the biasing member is configured to urge the contact structure of the display shroud into physical contact with the transparent cover piece. The interface subassembly includes a display circuit for providing a digital display and a touch circuit for providing touch actuation at or near the digital display through the transparent cover piece.

Description

technical field [0001] The invention relates to a capacitive touch interface component and a manufacturing method thereof. Background technique [0002] Industrial process transmitters are used in industrial process equipment in a variety of environments. For example, an industrial process transmitter may include sensors to sense pressure, temperature, vibration, flow, or virtually any other parameter associated with an industrial process, and / or may include sensors to manage, control, or otherwise interact with the industrial process. actuator or other device. Many industrial process devices are located in corrosive environments, or may be at risk of fire, explosion, or vibration, and therefore, industrial process transmitters generally must be constructed to be explosion proof and otherwise suitably withstand the operating environmental conditions. Industrial process transmitters can communicate wirelessly or using hardwired connections to control rooms, other equipment,...

Claims

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Application Information

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IPC IPC(8): G06F3/041G06F3/044G09F9/00
CPCG06F3/0412G06F3/044G06F3/0202H03K17/962H03K2217/96031H03K2217/960755Y10T29/49002
Inventor 丹尼尔·罗纳德·施瓦兹史蒂文·约翰·麦科伊杰森·哈洛德·鲁德
Owner ROSEMOUNT INC
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