Portable electronic device

A technology for portable electronic devices and external devices, applied in the directions of safety devices, safety communication devices, electrical components, etc., can solve problems such as low safety

Inactive Publication Date: 2019-04-16
KK TOSHIBA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in such an operation, regardless of the result of the biometric authentication, there

Method used

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  • Portable electronic device
  • Portable electronic device
  • Portable electronic device

Examples

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Embodiment Construction

[0013] Hereinafter, embodiments will be described with reference to the drawings. In the following description, an IC card is used as an example of a portable electronic device.

[0014] figure 1 It is a block diagram for explaining a configuration example of an IC card processing system 10 including an IC card 2 as a portable electronic device according to the embodiment and an IC card processing device 1 as an external device communicating with the IC card 2.

[0015] in figure 1 In the illustrated configuration example, the IC card processing device 1 has a CPU 11, a ROM 12, a RAM 13, an NVM 14, a card reader / writer 15, an operation unit 16, a display 17, and the like. These parts are connected to each other via a data bus. In addition, the IC card processing device 1 can also be used in addition to figure 1 In addition to the structure shown, a structure corresponding to necessity is provided or a specific structure is omitted.

[0016] The CPU 11 (processing unit) has a functi...

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PUM

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Abstract

A portable electronic device is provided with a communication unit, a storage unit, a first processing unit, and a second processing unit. The communication unit transmits data to and receives data from an external device. The storage unit stores registered biological information and registered information. The first processing unit is provided with a biological information acquisition unit, a living body cross-check unit, and a first determination unit. The biological information acquisition unit acquires biological information of a living body. The living body cross-check unit calculates a matching rate between the biological information acquired by the biological information acquisition unit and the registered biological information stored in the storage unit. When the first determination unit determines that the matching rate exceeds a first authentication threshold, the first processing unit transmits, via the communication unit to the external device, success information indicating that an authentication has been successful. The second processing unit is provided with an input information acquisition unit, an input information determination unit, and a second determination unit. The input information acquisition unit acquires input information to be cross-checked against the registered information stored in the storage unit. When the first determination unit determines that the matching rate does not exceed the first authentication threshold, and the input information determination unit determines that the input information acquired by the input information acquisition unit and the registered information match, and the second determination unit determines that the matching rate exceeds a second authentication threshold lower than the first authentication threshold, then the second processing unit transmits, via the communication unit to the external device, success information indicating that an authentication has been successful.

Description

Technical field [0001] The embodiments of the present invention relate to portable electronic devices. Background technique [0002] Some portable electronic devices such as IC cards are equipped with fingerprint sensors. An IC card equipped with a fingerprint sensor determines that the authentication is successful when the comparison ratio between the fingerprint information registered in advance and the fingerprint information obtained from the user exceeds a predetermined threshold. The biometric information of the human body sometimes changes, so biometric authentication does not always guarantee a 100% identification rate. Therefore, when biometric authentication fails, there are many systems that use IC cards as PIN authentication. However, in such an operation, regardless of the result of the biometric authentication, there is a problem that personal authentication is performed in PIN authentication with relatively low security. [0003] Prior art literature [0004] Paten...

Claims

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Application Information

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IPC IPC(8): G06F21/32G06F21/34G06T7/00
CPCG06F21/32G06F21/34G06T7/00H04L63/0861H04L63/083H04L9/3226H04L9/3231H04L63/0853H04W12/06G06Q20/409G06Q20/4012G06Q20/40145G06F2221/2117G06V40/12
Inventor 三浦秀三
Owner KK TOSHIBA
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