Pixart Imaging Incorporated

Chia-Yi Lee

Chi-Chieh Liao

Sung-Han Wu

Yu-Han Chen

Che-Chia Hsu

An input device including a plurality of press buttons and a touch control area is provided. The press buttons provide a key input function, and the touch control area provides a touch input function. Each of the press buttons pushes against an elastic pad which is used as a sensing electrode of the touch input function and as an elastic recovery element of the key input function.

Input device with key input and touch input, and operating method thereof

A capacitive touch system including a drive end, a capacitive touch sensing device and a detection end is provided. The drive end inputs a modulated drive signal into an input channel of the capacitive sensing device, wherein the modulated drive signal includes a plurality of driving frequencies. The detection end detects a detection signal of an output channel of the capacitive sensing device and generates a two-dimensional detection vector corresponding to each of the driving frequencies. The capacitive touch system includes a touch panel or a touch keyboard.

Touch keyboard having low noise interference

A capacitance sensor, comprising: a plurality of first electrically conductive lines, wherein at least one side of two adjacent ones of the first electrically conductive lines respectively has a notch and the notches are opposite to each other; a second electrically conductive line, crossed with the first electrically conductive lines, wherein the second electrically conductive line further comprises a second protruding part protruding from the second electrically conductive line; wherein the second protruding part is located between the notches; wherein a distance between the two adjacent ones of the first electrically conductive lines at the side is larger than or equal to a maximum distance between the notches. Such capacitance sensor can provide sufficient capacitance value variation even at an edge region.

Capacitance sensor which can provide sufficient capacitance value variation near edge

An electrically conductive structure comprising: a plurality of first electrically conductive lines; a plurality of second electrically conductive lines, crossed with the first electrically conductive lines, wherein at least one of the second electrically conductive line further comprises a second protruding part protruding from the second electrically conductive lines; and a first peripheral electrically conductive region, overlapped with a part of at least one of the first electrically conductive line, and comprises a first containing region configured to contain the second protruding part. A display apparatus and a capacitance touch control apparatus applying the electrically conductive structure are also disclosed.

Touch control apparatus having an electronically conductive structure with a peripheral electrically conductive region

Disclosed is a three-dimensional gesture sensing method. The three-dimensional gesture sensing method comprises the following steps. Step A: driving at least one first conductive line of conductive lines in the touch sensing device as a first working sensing line, and driving at least one second conductive line of the conductive lines in the touch sensing device as a second working sensing line, such that a sensing area is formed between the first working sensing line and the second working sensing line. Step B: detecting a conductor according to the sensing area. Step C: dynamically adjusting at least the area, the position or the amount of the sensing area according to the conductor to implement a three-dimensional gesture sensing.

Growing community of inventors

Hsin-Chu County, Taiwan

Chia-Yi Lee