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Patent Searching and Data


Title:
ANTI-TAMPER PROTECTION CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2021/218534
Kind Code:
A1
Abstract:
The present invention provides an anti-tamper protection circuit, comprising a switch trigger port, a tamper signal transmission port, a power supply unit, and a signal output port. The switch trigger port is connected to a switch; the signal output port is connected to a digital cinema server; the tamper signal transmission port is used for transmitting a tamper signal; and the tamper signal is transmitted to the signal output port by means of the tamper signal transmission port. According to the present invention, when an LED display screen is powered off, a battery in the digital cinema server would continue to supply power for the digital cinema server so as to maintain the normal working of the digital cinema server, and the power supply unit would also supply power for the anti-tamper protection circuit to ensure the anti-tamper working of the anti-tamper protection circuit, thereby being capable of continuously protecting information security and maintaining a digital copyright, and being capable of reaching the requirement of an information processing standard.

Inventors:
ZHU QIANG (CN)
Application Number:
PCT/CN2021/083931
Publication Date:
November 04, 2021
Filing Date:
March 30, 2021
Export Citation:
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Assignee:
SHENZHEN TIME WAYING TECH CO LTD (CN)
International Classes:
H02H7/20; G06F21/10; G06F21/64; H02H1/06
Foreign References:
CN212033764U2020-11-27
CN212695708U2021-03-12
CN110720115A2020-01-21
CN101593016A2009-12-02
CN201230199Y2009-04-29
CN103513744A2014-01-15
JPH09266625A1997-10-07
Other References:
See also references of EP 4145656A4
Attorney, Agent or Firm:
HENSEN INTELLECTUAL PROPERTY FIRM (CN)
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