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Warning system, monitoring device and method for monitoring controlled device

A technology of controlled devices and monitoring devices, which is applied in the field of warning systems and monitoring devices, and can solve the problems that warning systems are prone to false alarms

Active Publication Date: 2012-07-18
INVENTECSHANGHAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, a technical problem to be solved by the present invention is the problem that false alarms are prone to occur in existing warning systems.

Method used

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  • Warning system, monitoring device and method for monitoring controlled device
  • Warning system, monitoring device and method for monitoring controlled device
  • Warning system, monitoring device and method for monitoring controlled device

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Embodiment Construction

[0028] In order to make the description of the present invention more detailed and complete, reference may be made to the accompanying drawings and various embodiments described below. The same reference numerals in the drawings represent the same or similar elements. On the other hand, well-known elements and steps have not been described in the embodiments in order to avoid unnecessarily limiting the invention.

[0029] refer to figure 1 , figure 1 It is a block diagram of a warning system 001 according to an embodiment of the present invention. As shown in the figure, the warning system 001 includes a monitoring device 100 and a controlled device 200 . In use, the monitoring device 100 can monitor the controlled device 200 .

[0030] The monitoring device 100 includes a wireless transmitter 110 , a wireless receiver 120 , a phase analyzer 130 and an alarm 140 . In use, the wireless transmitter 110 can transmit a detection signal, and the controlled device 200 responds t...

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Abstract

The invention discloses a warning system, which comprises a monitoring device and a controlled device, wherein the monitoring device comprises a wireless transmitter, a wireless receiver, a phase analyzer and an alarm. When the warning system is in use, the wireless transmitter can transmit a detection signal to ensure that the controlled device responds a feedback signal after receiving the detection signal. The wireless receiver can acquire the feedback signal. The phase analyzer can analyze the phase difference between the detection signal and the feedback signal; and when the phase difference exceeds a preset phase difference value, the alarm can execute a warning action. Besides, the invention discloses a method for monitoring the controlled device.

Description

technical field [0001] The present invention relates to an electronic device and its operating method, and in particular to a warning system, monitoring device and its method. Background technique [0002] With the improvement of economic consumption capacity and the progress of technology and technology, the types of items that human beings must carry and use in daily life are also increasing. For example, in the briefcase or bag that most people carry out every day, from general key cases, wallets, ID holders to mobile phones, digital cameras, personal digital assistants (PDAs), notebook computers and other portable consumer goods Electronic products, etc., which involve a wide variety of items. And most of these belongings are of considerable importance to users, if they are lost, it will often cause money, time and psychological losses. However, these personal items usually win by being light and short, so they are likely to be placed or missed in some places inadverte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B29/00
Inventor 李尚
Owner INVENTECSHANGHAI TECH