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Security system for electronic device

A security system, electronic technology, applied in parts of TV system, parts of color TV, TV, etc.

Inactive Publication Date: 2006-11-15
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the anti-theft device related to the prior art, every time the user turns on the power of the audio device 103, a password needs to be input every time, and troublesome operations are imposed on the user.
Moreover, there is a problem that only the person who logs in the password can make the audio machine 103 work

Method used

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  • Security system for electronic device
  • Security system for electronic device
  • Security system for electronic device

Examples

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Embodiment Construction

[0087] Hereinafter, embodiments according to the present invention will be described with reference to the drawings.

[0088] figure 1 , is a block diagram showing the configuration of a security system including the television receiver 201 and the DVD recorder 205 according to the embodiment of the present invention. The security system according to this embodiment is configured to include a television receiver 201 and a DVD recorder 205 connected via a device control line 209 . Here, the DVD recorder 205 includes a nonvolatile memory 207 in which a password is stored in advance. The television receiver 201 includes a nonvolatile memory 203 and a controller 202 in which a password is stored in advance. The controller 202 is characterized in that, when the television receiver 201 is started, the Figure 6 In the communication sequence P4, the DVD recorder 205 is requested to send the password stored in the non-volatile memory 207, and receives the password from the DVD rec...

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Abstract

An antitheft system is provided for an electronic apparatus including a television receiver (201) and a DVD recorder (205) connected via an apparatus control line (209). The DVD recorder (205) includes a non-volatile memory (207) for previously storing a password. The television receiver (201) includes a non-volatile memory (203) for previously storing the password and a controller (202). The controller (202) requests the DVD recorder (205) to transmit the password stored in the non-volatile memory (207) when the television receiver (201) is activated or started up, and receives the password from the DVD recorder (205). The controller (202) further compares the received password with the password stored in the non-volatile memory (203), and starts an operation of the television receiver (201) when the passwords coincide with each other.

Description

technical field [0001] The present invention relates to a security system for a plurality of electronic appliances, such as between a television receiver and a DVD recorder, and the electronic appliances thereof. Background technique [0002] As a conventional antitheft system for electronic equipment, for example, Patent Document 1 discloses the following antitheft device. For example, in order to prevent the theft of audio equipment, a password is preset and stored in a non-volatile memory, and the user is asked to enter the password when the power is turned on next time; when the input password and the content stored in the non-volatile memory When it is consistent, turn on the power normally; when it is inconsistent, make the audio machine not work. In this device, the method of reading the password is also improved and the security is strengthened. [0003] figure 2 It is a figure which shows the antitheft device described in the patent document 1 concerning a prior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/00G06F12/14G06F15/00G11B19/02H04N5/44H04N5/775H04N5/85H04N21/435H04N21/441H04N21/442
CPCG06F21/31G08B13/1418G11B19/025H04N5/775H04N5/85
Inventor 笹部彻
Owner PANASONIC CORP
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