AUTHENTICATION SYSTEM, AUTHENTICATION SIDE DEVICE, AND SECURITY SYSTEM
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United States of America Patent
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app pub date -
Jul 3, 2017
filing date -
Aug 31, 2016
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Published
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Abstract
The authentication system comprises: the authentication side unit configured to include the intensity modulated weak light source, the first reading unit, the decrypting unit, and the determining unit; and the client side unit configured to include the detecting unit, the second reading unit, and the encrypting unit. The intensity modulated weak light source generates intensity modulated weak light. The first reading unit reads the transmission time information. The detecting unit detects the intensity modulated weak light, and records the detected time in the second storage medium as reception time information. The encrypting unit encrypts all or part of the reception time information and generates encrypted information. The decrypting unit decrypts the encrypted information, and acquires all or part of the reception time information. The determining unit acquires a number of coincidence events and a number of elements of the all or part of the reception time information, generates determination information including information indicating approval when both of the number of coincidence events and the number of elements are within a range of a set value which is set in advance, and generates determination information including information indicating a denial in the other cases.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
OKI ELECTRIC INDUSTRY CO LTD | MINATO-KU TOKYO 105-8460 |
International Classification(s)
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
ARAHIRA, Shin | Tokyo, JP | 23 | 180 |
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