Abstract: An electronic device having a fingerprint verification function is provided. The electronic device includes a display; a touch recognition sensor pattern for recognizing a touch input on the display; a fingerprint recognition sensor pattern for recognizing a fingerprint input on the display; and a processor functionally connected to the display, the touch recognition sensor pattern and the fingerprint recognition sensor pattern. The processor determines whether a fingerprint recognition mode is executed, and selectively activates the touch recognition sensor pattern and the fingerprint recognition sensor pattern according to whether the determined fingerprint recognition mode is executed.

Abstract: Provided is a method for authenticating a user in an electronic device. In illustrative embodiments, a fingerprint input from the user is be detected by receiving detection signals for respective sample points across an area of the fingerprint input. A determination value may be computed, which represents a degree of distribution of the detection signals according to signal strengths. It is then determined whether the determination value falls outside a preset reference range. If the determination value falls outside the preset reference range, the method determines that the fingerprint input from the user is invalid.

Abstract: A method is provided for operating an electronic device.

Abstract: A electronic device and method are disclosed herein. The electronic device includes a display, a fingerprint recognition sensor configured to recognize a fingerprint received through the display, and a processor. The processor is configured to implement the method, which includes detecting a fingerprint using a fingerprint recognition sensor of the electronic device through a display of the electronic device; and controlling the display to display at least one object based on the fingerprint.

Abstract: An electronic device and a method for controlling a gesture sensor of the same are provided. The electronic device includes a gesture sensor and a threshold determining module configured to receive a light amount measurement with respect to light incident to the gesture sensor, to compare the light amount measurement with a light amount reference value, and to determine a light amount threshold that is used based on object recognition of the gesture sensor by adding the weight value to the light amount measurement.

Abstract: A circuit device for preventing radiation emission in a portable terminal with two cameras is provided. The device includes a first camera, a second camera, a processor, and a 3-state buffer. The processor outputs a first control signal controlling an operation of the first camera and a second control signal controlling an operation of the second camera. The 3-state buffer electrically connects between the first camera and the processor, and connects or disconnects between the first camera and the processor depending on the first control signal.

Abstract: A circuit device for preventing radiation emission in a portable terminal with two cameras is provided. The device includes a first camera, a second camera, a processor, and a 3-state buffer. The processor outputs a first control signal controlling an operation of the first camera and a second control signal controlling an operation of the second camera. The 3-state buffer electrically connects between the first camera and the processor, and connects or disconnects between the first camera and the processor depending on the first control signal.