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50results about How to "Enhanced Sensing Capabilities" patented technology

Sensing circuit of capacitance type touch panel

The invention relates to a sensing circuit of capacitance type touch panel, comprising a first switch, a second switch, a third switch, a feedback capacitor, a fourth switch and a computing amplifier; the first switch is provided with a first end to be connected to a receiving electrode of the capacitance type touch panel; the second switch is provided with a first end to be connected to the receiving electrode of the capacitance type touch panel; the third switch is provided with a first end to be connected to a second end of the first switch; the feedback capacitor is provided with a first end to be connected to a second end of the first switch; the fourth switch is provided with a first end to be connected to a second end of the feedback capacitor; the computing amplifier is provided with a positive input end to be connected to a grounding end, a negative input end to be connected to the first end of the fourth switch, and an output end to be connected to the second ends of the second switch, the third switch and the fourth switch, driving signals can be used for controlling the act sequence of the above switches in driving period, so that the computing amplifier can generate output voltage. The invention can cause SNR to increase, and vastly improve sensing capability of touch panel.
Owner:ORISE TECH CO LTD

Method for aligning fingerprint sensing area of display element with fingerprint sensing module

A method for aligning a fingerprint sensing area of a display element with a fingerprint sensing module is suitable for an electronic device that includes a display element having a fingerprint sensing area, a controller, and a fingerprint sensing module. The alignment method includes: the controller activates the display element to emit an irradiating light beam from the fingerprint sensing areato an object which reflects the irradiating light beam to the fingerprint sensing module, wherein the light source pattern of the irradiating light beam exhibits a feature that the light signal intensity in a first area closer to the center is less than that in a second area far from the center; the fingerprint sensing module senses the reflected light formed by the irradiating light beam reflected by the object to obtain raw data, wherein the raw data is the sum of the reflected light signal intensity sensed by the fingerprint sensing module; the controller adjusts the position of the light source pattern at the display element; the fingerprint sensing module senses the adjusted reflected light to obtain the adjusted data, wherein the adjusted data is the sum of the reflected light signalintensity sensed by the fingerprint sensing module after the position of the light source pattern is adjusted; and the position of the light source pattern is adjusted based on the raw data and the adjusted data.
Owner:EGIS TECH

Sensing circuit of capacitance type touch panel

The invention relates to a sensing circuit of capacitance type touch panel, comprising a first switch, a second switch, a third switch, a feedback capacitor, a fourth switch and a computing amplifier; the first switch is provided with a first end to be connected to a receiving electrode of the capacitance type touch panel; the second switch is provided with a first end to be connected to the receiving electrode of the capacitance type touch panel; the third switch is provided with a first end to be connected to a second end of the first switch; the feedback capacitor is provided with a first end to be connected to a second end of the first switch; the fourth switch is provided with a first end to be connected to a second end of the feedback capacitor; the computing amplifier is provided with a positive input end to be connected to a grounding end, a negative input end to be connected to the first end of the fourth switch, and an output end to be connected to the second ends of the second switch, the third switch and the fourth switch, driving signals can be used for controlling the act sequence of the above switches in driving period, so that the computing amplifier can generate output voltage. The invention can cause SNR to increase, and vastly improve sensing capability of touch panel.
Owner:ORISE TECH CO LTD
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