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ELAN Microelectronics

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Hsinchu, Taiwan
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Patent
ELAN Microelectronics | Date: 2017-01-26

A screen control module of a mobile electronic device has at least one controller formed on a circuit board. The circuit board has multiple solder pads formed on the circuit board and respectively aligning along a first direction and a second direction. An amount of the solder pads along the first direction is greater than that along the second direction. The controller is formed by an integrated circuit with a package, and the aspect ratio of the package is not less than 2. The package has multiple electrical contacts respectively aligning along a length direction and a width direction. Each electrical contact aligns with and is electrically connected to a corresponding solder pad. Accordingly, the screen control module mounted within a side frame of a display of the mobile electronic device can increase the aspect ratio to meet the demand for narrowing the side frame of the display.


Patent
ELAN Microelectronics | Date: 2016-12-23

A gesture recognition method has steps of detecting a first number of first objects touching a touchpad, detecting a second number of second objects tapping the touchpad when the first number of first objects still touches the touchpad, determining that a shortest distance between the first number of first objects and the second number of second objects is less than a preset spacing distance, and enabling a gesture function. Accordingly, gestures provided through the foregoing gesture recognition method are advantageous in being user-friendly, relaxed, convenient and smooth in operation.


Patent
ELAN Microelectronics | Date: 2015-10-29

A screen control module of a mobile electronic device has at least one controller formed on a circuit board. The circuit board has multiple solder pads formed on the circuit board and respectively aligning along a first direction and a second direction. An amount of the solder pads along the first direction is greater than that along the second direction. The controller is formed by an integrated circuit with a package, and the aspect ratio of the package is not less than 2. The package has multiple electrical contacts respectively aligning along a length direction and a width direction. Each electrical contact aligns with and is electrically connected to a corresponding solder pad. Accordingly, the screen control module mounted within a side frame of a display of the mobile electronic device can increase the aspect ratio to meet the demand for narrowing the side frame of the display.


Patent
ELAN Microelectronics | Date: 2015-03-13

A circuit and a method for sensing differential capacitance involve using plural storing capacitors to repeatedly sample charges of the differential capacitance in an over-sampling manner, and storing the charges sampled in different transfer rounds into different storing capacitors instead of repeatedly transferring charges for a single storing capacitor, so as to collect charge averages about both inputs and noises and in turn effectively reduce RF interference and source noises.


Patent
ELAN Microelectronics | Date: 2016-03-24

A method of identifying edge touch gesture has steps of scanning the touch device under a hover mode; scanning the touch device under a touch mode; determining if there is a touch object on the touch device according to a scanning result of the touch mode; and when there is a touch object on the touch device, identifying the gesture according to a scanning result of the hover mode and the scanning result of the touch mode. Accordingly, the method can perform valid touch on the edge area, rendering effective identification of edge touch gesture and an increased success rate of the identification.


Patent
ELAN Microelectronics | Date: 2016-02-15

A sensing method of a fingerprint sensor includes the following steps: (a) applying a first voltage, a second voltage and a third voltage to a first node connected to an electrode plate to be measured, a second node disconnected from the first node, and a conductor adjacent to the electrode plate to be measured, respectively; (b) providing a first finger drive voltage for a finger; (c) stopping applying the first, second and third voltages to the first node, the second node and the conductor, respectively; (d) after step (c), applying a fourth voltage to the conductor, and connecting the first node to the second node; (e) after steps (b) and (c), providing a second finger drive voltage for the finger; and (f) after steps (d) and (e), obtaining a measurement result of the electrode plate to be measured according to a signal on the second node.


Patent
ELAN Microelectronics | Date: 2015-11-09

A method for controlling a touch control device includes defining a first area and a second area on a touchpad, detecting whether a touched position on the touchpad that is touched by an operating object falls in the first area or the second area, and calculating the corresponding on-screen coordinates of the operating object with different sets of ratios depending on the touched position.


Patent
ELAN Microelectronics | Date: 2015-08-03

A capacitive touch device and a method identifying touch object on the touch device read sensing information of multiple traces of a touch panel corresponding to a touch object, in which the sensing information includes a sensing cluster corresponding to a portion on the touch panel touched by the touch object, identify a hover cluster of the sensing information corresponding to a portion adjacent to and surrounding the sensing cluster, determine if the hover cluster meets a first characteristic, and determine that the touch object is a specific touch object when the hover cluster meets the first characteristic. Given the foregoing device and method, a palm rejection operation can be more accurately performed and is also applicable to object detection at corners of the touch panel.


A computer device with a touch controller and a method for updating the touch controller are provided in the present invention. The updating method comprise writing a first touch parameter and a first touch procedure which are saved in a memory of a BIOS or saved in a storage device with a driver program into an RAM of the touch controller when the computer device is power on so as to allow the touch controller to execute operation by utilizing the first touch parameter and the first touch procedure. Since the touch controller needs no flash memory to update a touch firmware, the cost of the touch controller is lower.


Patent
ELAN Microelectronics | Date: 2015-04-16

A touch sensing apparatus includes an excitation source, a capacitor under test, a sampling circuit and a filter. The excitation source is used to generate an excitation signal having a first frequency. The capacitor under test is used to receive the excitation signal, and generate a sensing signal. The sampling circuit is used to sample the sensing signal to generate a digital output. The sampling circuit includes a pulse density modulation unit operating at a second frequency to generate the digital output, wherein the second frequency is higher than the first frequency. The filter is coupled to the pulse density modulation unit, and arranged to filter the digital output.

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