Source: http://www.google.com/patents/US20010047479?dq=6,891,551
Timestamp: 2016-07-30 11:46:55
Document Index: 609495548

Matched Legal Cases: ['art 8', 'art 7', 'art 7', 'art 7', 'art 8', 'art 8', 'art 8']

Patent US20010047479 - Method and apparatus for checking access authorization for a system - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsThe present invention relates to a method for checking access authorization for a system. A modified code is stored in the system in advance. An access authorization code is stored in a part of the system which users cannot access or have difficulty accessing. The modified code is different from the...http://www.google.com/patents/US20010047479?utm_source=gb-gplus-sharePatent US20010047479 - Method and apparatus for checking access authorization for a systemAdvanced Patent SearchPublication numberUS20010047479 A1Publication typeApplicationApplication numberUS 09/815,200Publication dateNov 29, 2001Filing dateMar 22, 2001Priority dateSep 22, 1998Also published asCN1319217A, EP1116191A1, EP1116191B1, WO2000017823A1Publication number09815200, 815200, US 2001/0047479 A1, US 2001/047479 A1, US 20010047479 A1, US 20010047479A1, US 2001047479 A1, US 2001047479A1, US-A1-20010047479, US-A1-2001047479, US2001/0047479A1, US2001/047479A1, US20010047479 A1, US20010047479A1, US2001047479 A1, US2001047479A1InventorsManfred Bromba, Bernhard RaafOriginal AssigneeManfred Bromba, Bernhard RaafExport CitationBiBTeX, EndNote, RefManPatent Citations (4), Referenced by (49), Classifications (4) External Links: USPTO, USPTO Assignment, EspacenetMethod and apparatus for checking access authorization for a system
US 20010047479 A1Abstract
The present invention relates to a method for checking access authorization for a system. A modified code is stored in the system in advance. An access authorization code is stored in a part of the system which users cannot access or have difficulty accessing. The modified code is different from the access code. Biological features of a user are detected and are compared with features that are stored in the system. If the features match, a computation rule is used to calculate a code from the modified code, the calculated code is transmitted to the part of the system which users cannot access, and there, it is checked using the stored access authorization code. The invention also relates to an apparatus for checking access authorization for a system. Images(2) Claims(21)
BRIEF DESCRIPTION OF THE DRAWINGS [0019] [0019]FIG. 1 shows a schematic diagram of an illustrative embodiment of the invention; and [0020] [0020]FIG. 2 shows a flowchart to explain the illustrative embodiment of the invention. DESCRIPTION OF THE PREFERRED EMBODIMENTS [0021] Referring now to the figures of the drawing in detail and first, particularly, to FIG. 1 thereof, there is shown an illustrative embodiment of an apparatus that is split into two parts. A first part 8 cannot be accessed by a user, or is very difficult to access. By way of example, this part may be the SIM card of a mobile telephone or the central computer of a bank. [0022] The second part 7 of the apparatus is easier for a user to access. By way of example, this part is a mobile telephone or a computer communicating with external services over the Internet. [0023] The second part 7 has an input unit 1 which can be used to detect biological features and to convert them such that they can be compared with stored features. By way of example, the input unit 1 is a fingerprint detector or a detector for the iris of an eye. [0024] The part 7 also has a memory unit 2 which stores the biological features detected by the input unit 1 as data when the apparatus is initialized. In addition, a modified code is stored in the memory unit 2 or in a memory unit provided separately from this memory unit 2 when the apparatus is initialized. [0025] A comparator unit 3 is connected both to the input unit 1 and to the memory unit 2. The input unit 1 transmits the detected biological features to the comparator unit 3, and there they are compared with the stored features, which the comparator unit 3 receives from the memory unit 2. If the result of this comparison is positive, i.e. if the detected biological features match the stored features, the memory unit 3 transmits a signal to a processor 4. [0026] Once this signal has been received from the comparator unit 3, the processor 4 calculates a code from the modified code stored in the memory unit 2 and preferably from at least some biological features which have been detected by the input unit. This calculated code needs to be transmitted to the part 8 which users cannot access. [0027] In this way, the devices 1 to 4 of the apparatus according to the invention replace direct entry of a PIN code, for example, using an input unit. For this reason, the subsequent devices in the apparatus, i.e. particularly the apparatuses provided in the part 8 of the apparatus which users cannot access, can remain unchanged as compared with conventional apparatuses. This means that there is no need to change a standard which is set for this part 8. [0028] The processor 4 transmits the code it has calculated to a second comparator unit 5. This unit compares the calculated code with the access authorization code stored in the memory unit 6. By way of example, this access authorization code may be the PIN number stored in the SIM card. If the comparator unit 5 establishes a match between the calculated code and the access authorization code stored in the memory unit 6, the comparator unit 5 outputs an access authorization signal via the line 9. This access authorization signal informs the system which contains the apparatus according to the invention that the user whose biometric features have been detected by the input unit is an authorized user. [0029] The method according to the invention is explained with reference to FIG. 2. [0030] First, in step 10, the access authorization code is stored in a part of the system which users cannot access or have difficulty accessing. In addition, in step 11, a modified code, and in step 12, biological features are stored in another part of the system, which is easier for users to access. Steps 10 to 12 are carried out on initialization. [0031] Next, a user's access authorization for a system needs to be checked. To this end, biological features of the user are detected in step 13. Then, in step 14, the detected biological features are compared with the biological features stored in advance in step 12. If the result of the comparison is negative, i.e. if it is established that the detected biological features do not match the stored features, the method returns to step 13, and access authorization is not granted. [0032] If the result of the comparison in step 14 is positive, i.e. if the detected biological features match the biological features stored in advance, a computation rule is used to calculate a code from the modified code stored in step 11. The code is preferably calculated based on the stored modified code and the detected biological features of a user. This calculated code is then transmitted in step 16 to the part of the system which users cannot access. There, this calculated code is then checked using conventional methods in step 17, and the access authorization is then granted in step 18. Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5269707 *Jan 25, 1991Dec 14, 1993Amphenol-Tuchel Electronics GmbhContacting apparatus for a Si-moduleUS5867802 *Aug 2, 1996Feb 2, 1999Dew Engineering And Development LimitedBiometrically secured control system for preventing the unauthorized use of a vehicleUS6148094 *Sep 30, 1997Nov 14, 2000David J. 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method for identifying an individual or a business method* Cited by examinerClassifications U.S. Classification713/186International ClassificationG07C9/00Cooperative ClassificationG07C9/00158European ClassificationG07C9/00C2DRotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services