Patent application number | Description | Published |
20090262094 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE FOR TOUCH PANELS - An electrostatic discharge protection device adapted for a touch panel, comprising: the touch panel, a flexible printed circuitboard and a plurality of point discharge structures. The touch panel is configured with a plurality of signal lines and at least a ground line while enabling the at least one ground line to be disposed along the circumference of an area enclosing the plural signal lines. The FPC has a plurality of signal lines and a ground line disposed outside an area relating to the plural signal lines for connecting the plural signal lines and the ground line to their corresponding signal lines and ground line of the touch panel. The plural point discharge structures are formed at positions between any two neighboring signal lines for guiding static accumulated on the touch panel to the ground line where it is discharged, by that the touch panel can be protected from ESD damage. | 10-22-2009 |
20110122537 | ELECTRONIC APPARATUS - An electronic apparatus including an electrostatic discharge (ESD) protection circuit, an abnormal voltage detection circuit, an internal circuit and a blocking circuit is provided. The ESD protection circuit receives a plurality of input signals for preventing an abnormal high voltage damage produced by an ESD phenomenon on a path for delivering the input signals, and correspondingly outputs a plurality of voltage-dropped input signals. The input signals include a control signal set and a data signal set. The abnormal voltage detection circuit is coupled to the ESD protection circuit. The abnormal voltage detection circuit receives the voltage-dropped input signals, and produces a blocking control signal according to voltage levels of the voltage-dropped input signals. The blocking circuit is used for receiving the blocking control signal and blocking the control signal set from delivering to the internal circuit according to the blocking control signal. | 05-26-2011 |
20110157082 | Matrix Resistive Touch Panel and Design Method Thereof - A matrix resistive touch panel including a plurality of first sensing electrodes, a plurality of second sensing electrodes, a control circuit and a compensating circuit is provided. Each first sensing electrode has a first end and a second end. Each second sensing electrode has a third end and a fourth end. The compensating circuit is electrically connected to the control circuit, the first and the second ends of the first sensing electrodes, and the third and the fourth ends of the second sensing electrodes. The compensating circuit is used for equating a plurality of first impedances between the first ends and the control circuit, equating a plurality of second impedances between the second ends and the control circuit, equating a plurality of third impedances between the third ends and the control circuit, and equating a plurality of fourth impedances between the fourth ends and the control circuit. | 06-30-2011 |
20120081301 | METHOD FOR TRANSMITTING TOUCH PANEL DATA - A method for transmitting touch panel data is provided. The method is adapted for transmitting coordinate data of at least a touch point being touched on the touch panel and includes the following procedures. The at least coordinate data is compressed. A serial data transmission interface command and a serial data transmission interface client address are appended in front of the compressed at least coordinate data, such that the compressed at least coordinate data is encapsulated into a serial transmission data packet. In addition, the serial transmission data packet is transmitted through a serial data transmission channel. | 04-05-2012 |
20120223919 | TOUCH PEN - A touch pen includes a power supply circuit, a signal-receiving electrode, an inverted amplifying circuit and a signal-emitting electrode. The power supply circuit provides the touch pen with a working voltage, and the signal-receiving electrode receives at least one surface signal of a touch-sensing structure of a capacitive touch-sensitive device. The inverted amplifying circuit reversely amplifies the surface signal to generate a reversely amplified signal, and the signal-emitting electrode emits the reversely amplified signal to attenuate a detection signal of the capacitive touch-sensitive device in a position coinciding with a touch point of the touch pen. | 09-06-2012 |
20130265678 | ELECTRONIC APPARATUS - An electronic apparatus includes an electronic device, a circuit board, a ground layer and a drive chip. The circuit board includes a substrate, a patterned circuit layer disposed on the substrate and a protective layer exposing a portion of the patterned circuit layer to define at least one ground pin and plural of input/output (I/O) pins. Each of the I/O pins has a first incisive terminal, and a length of the ground pin is greater than a length of each I/O pins. The ground layer covers a portion of the protective layer and a portion of the ground pin. The ground layer has plural of second incisive terminals corresponding to the first incisive terminals. A gap exists between the orthographic projections of each first incisive terminal and the corresponding second incisive terminal on the substrate. The drive chip is electrically connected to the electronic device via the circuit board. | 10-10-2013 |
20130271423 | INPUT DEVICE AND CONTROL PARAMETER ADJUSTING METHOD THEREOF - An input device and a control parameter adjusting method thereof are provided. The input device includes a first storage unit, a second storage unit and a control unit. The first storage unit is configured to store a plurality of control parameters, wherein each of the control parameters indicates a judgment standard of an input action of the input device. The second storage unit is configured to store firmware. The control unit coupled to the first storage unit and the second storage unit is configured to select a best control parameter from the control parameters according to an input control signal and program the best control parameter into the firmware. Wherein the input control signal is generated corresponding to the input action of the input device. | 10-17-2013 |
20130292165 | CIRCUIT BOARD - A circuit board is provided. The circuit board is suitable for carrying a chip. The circuit board includes a dielectric layer and a first circuit layer. The first circuit layer is disposed on a first side of the dielectric layer. The first circuit layer includes a first pad and a plurality of second pads surrounding the first pad. The chip is substantially located above the first pad, and the second pads are suitable for connecting the chip, wherein at least one of the second pads has a tip pointing toward the first pad. | 11-07-2013 |