Electronic device including a biometric authentication function
First Claim
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1. An electronic device comprising:
- a flash that emits light to a subject when the subject is imaged;
a vein authentication unit including a light detection unit that is irradiated with the light emitted by the flash and that includes an optical sensor that outputs an electric current corresponding to the brightness of the light emitted from the flash;
a light collecting lens that collects the light emitted from the flash; and
an optical fiber cable connected to the light collecting lens that guides the light emitted from the flash to the optical sensor.
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Abstract
An electronic device is provided which includes a light emitting unit for emitting light, and a light detection unit which is irradiated with the light emitted by the light emitting unit and which includes an optical sensor for outputting an electric current corresponding to the brightness of the light. The light emitted by the light emitting unit is used for a purpose other than being irradiated to the light detection unit.
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Citations
9 Claims
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1. An electronic device comprising:
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a flash that emits light to a subject when the subject is imaged; a vein authentication unit including a light detection unit that is irradiated with the light emitted by the flash and that includes an optical sensor that outputs an electric current corresponding to the brightness of the light emitted from the flash; a light collecting lens that collects the light emitted from the flash; and an optical fiber cable connected to the light collecting lens that guides the light emitted from the flash to the optical sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification