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Visual indication for equipment operating

A visual indication and visual technology, applied in the field of visual indication, can solve problems such as deterioration, circuit failure, and unreliability

Inactive Publication Date: 2003-07-02
PROVENANCE ASSET GRP LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also problems with sealing the hole in the housing around the conductor and sealing the switch to the housing
Moreover, this seal is unreliable after a period of use, especially in outdoor environmental conditions
[0007] Thus, failure of the seal can lead to failure and deterioration in the operation of the circuit and has the potential to allow leakage of electromagnetic and radio frequency through the housing

Method used

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  • Visual indication for equipment operating
  • Visual indication for equipment operating
  • Visual indication for equipment operating

Examples

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Embodiment Construction

[0033] The first embodiment described below relates to general electric equipment and illustrates the essence of the invention in a general sense.

[0034] In a first embodiment, as shown in FIG. 1, an electrically powered device 10 includes an environmentally sealed housing 12 which must have a wall 14 permeable to magnetic flux. For convenience, the casing is made of a single non-ferrous material so that virtually the entire casing is permeable. The housing is entirely made of aluminium, but other non-ferrous metals or other materials of sufficient strength may be used, for example suitable plastic materials such as polycarbonate, polyolefin, or for example plastic composites including carbon fibres.

[0035] Electrically powered electronic or power circuitry, generally indicated at 16, is housed within the housing.

[0036] It is desirable that the operating state of the electrical circuit 16 be viewed from outside the housing 12 without openings in the housing 12 for view...

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PUM

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Abstract

An electrically operated equipment with a sealed enclosure containing circuitry with an exterior visual indicator to show a state of operation of the equipment. The visual indicator is illuminated by a magnetic flux sensor also exterior to the equipment, the sensor inducing an electrical current from a sensed magnetic flux passing through a permeable wall of the enclosure. The magnetic flux is provided by a magnetic field generator within the enclosure. The generator is connected to the equipment to generate the field when the circuitry is operating correctly whereby the indicator shows a correct state of operation. The invention avoids the use of sealed orifices in the enclosure for conductors to pass to exterior LEDs or LEDs sealed within the enclosure and possible resultant leakage. The invention is useful for optical network units. The invention also includes a visual indicating device of multi-layer configuration and a method of visually indicating the operational state of circuitry.

Description

technical field [0001] The present invention relates to visual indication of device operation. Background technique [0002] Electrodynamic equipment, that is, electronic or electrical equipment, is installed in both outdoor and indoor environments. In both of these environmental conditions, it has been found convenient, and perhaps prudent, to provide visual indications to show whether the equipment or parts thereof are functioning correctly and efficiently. When properly monitored, visual indicators immediately notify maintenance personnel of any equipment failure. Visual indicators are used to identify the specific part of the equipment that is failing and differentiate it from other parts that remain functioning. This identification enables necessary repairs or replacement of equipment to be made as quickly as possible with a minimum of downtime. Therefore, any customer of a service provided by such equipment, such as a telecommunications service, has the shortest pos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H36/00H05K5/00
CPCH05K5/0017
Inventor 杰伊·理查德·索贝尔斯蒂芬·丹尼尔·阿姆斯特郎
Owner PROVENANCE ASSET GRP LLC
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