Patent application number | Description | Published |
20080315275 | Capacitor pair structure for increasing the match thereof - A capacitor pair structure for increasing the match thereof has two finger electrode structures interlacing with each other in parallel and a common electrode being between the two finger electrode structures to form a capacitor pair structure with an appropriate ratio. Also, the capacitor pair structure could further increase its entire capacitance through vias connecting the same capacitor pair structures on different metal layers. | 12-25-2008 |
20080315276 | Capacitor pair structure for increasing the match thereof - A capacitor pair structure for increasing the match thereof has two finger electrode structures interlacing with each other in parallel and a common electrode being between the two finger electrode structures to form a capacitor pair structure with an appropriate ratio. Also, the capacitor pair structure could further increase its entire capacitance through vias connecting the same capacitor pair structures on different metal layers. | 12-25-2008 |
20100135135 | SYSTEM OF SAMPLING INTERFACE FOR AN OPTICAL PICK-UP HEAD - A system of sampling interface for an optical pick-up head comprises an optical pick-up head, a PMOS, a boost circuit, and a sample and hold circuit. The optical pick-up head outputs one of a reading voltage and a writing voltage. The PMOS gate receives the gate voltage and then the PMOS is turned on to pass the reading voltage to the sample and hold circuit. Moreover, the substrate of the PMOS receives a control voltage. The boost circuit is used to boost the gate voltage higher than the control voltage for turning off the PMOS and isolating the writing voltage. | 06-03-2010 |
20100276214 | Tablet of battery-free wireless pointing device - A tablet of a battery-free wireless pointing device has a battery-free wireless pointing device and a tablet. The wireless pointing device includes a power supply circuit and a sensing circuit. The tablet includes a signal processing unit, a first antenna loop, and a second antenna loop. The sensing circuit receives electric energy generated by the power supply and generates a sensing signal. The second antenna loop receives the sensing signal. The signal processing circuit generates a frequency signal and determines a current coordinate position of the pointing device according to the sensing signal. | 11-04-2010 |
20110074740 | Digital tablet for battery-free wireless pointer device and power supply method of the digital tablet for battery-free wireless pointer device - A digital tablet for battery-free wireless pointer device and a power supply method of the digital tablet for battery-free wireless pointer device are related to a battery-free wireless pointer device and a digital tablet used in combination. The wireless pointer device includes a power supply circuit and an induction circuit. The digital tablet includes a signal processing circuit, a control circuit, a first antenna loop, and a plurality of second antenna loops. Here, the control circuit is adapted to selectively enable the second antenna loops. | 03-31-2011 |
20110090148 | Wearable input device - A wearable input device includes a body and a soft battery. The body is connected to the soft battery to form a collar range, and the soft battery surrounds a hand of a user. The soft battery supplies an electric power to a finger-contact control module and a wireless transmitter in the body, such that the finger-contact control module senses a movement of an object (for example, a finger) on the body, and generates a control signal corresponding to a moving position of the object, and then the wireless transmitter transmits the control signal to a computer host, thus manipulating a cursor on an operating system frame of the computer host. | 04-21-2011 |
20110175599 | Input device with dual induction coils and rotation motion output method thereof - An input device with dual induction coils and a rotation motion output method thereof are described, in which the input device moves on a trace capture device, such that the trace capture device outputs a trace signal to an electronic device. When the input device is rotated on the trace capture device, two coils within the input device respectively send an induction signal to the trace capture device. Then, the trace capture device respectively converts the two induction signals to two position signals, so as to determine displacement amounts and rotation directions of the two position signals, such that the trace capture device outputs a rotation signal to the electronic device, and the electronic device correspondingly executes a motion instruction according to the rotation signal. | 07-21-2011 |
20120119990 | POINTER CONTROL DEVICE, SYSTEM AND METHOD - A pointer control system includes a pointer control device and a pointer sensing device. The pointer control device includes two coils. The two coils respectively transmit a first signal and a second signal to the pointer sensing device, so that the pointer sensing device senses a first coordinate and a second coordinate. The pointer sensing device outputs a control signal which is corresponding to a distance between the first coordinate and the second coordinate. Therefore, the pointer control system can use an angle formed between the pointer control device and the pointer sensing device to control the operation mode of the pointer. | 05-17-2012 |
Patent application number | Description | Published |
20130207893 | POSITIONING INPUT SYSTEM WITH WIRELESS CHARGING FUNCTION, AND DEVICE - A positioning input system with a wireless charging function, and a device thereof receive a frequency signal sent by a tablet and transmit an sensing signal to the tablet, wherein a rectifier circuit receives the frequency signal inducted by a sensing coil set, including a first sensing coil and a second sensing coil, to output electricity, the first sensing coil is non-connected, the second sensing coil is connected to the rectifier circuit, an oscillator circuit is connected to the rectifier circuit for receiving the electricity and outputting the sensing signal, and a third sensing coil transmits the sensing signal to the tablet. When the wireless positioning device is moved toward the tablet, a magnetic coupling occurs to the first sensing coil and the second sensing coil. The second sensing coil obtains an additional voltage used for supplying a stable operating voltage for the wireless positioning device. | 08-15-2013 |
20130271399 | ELECTROMAGNETIC TOUCH DEVICE - An electromagnetic touch device is adapted to cooperate with a signal generation unit. The electromagnetic touch device includes a sensing unit and a control unit. The sensing unit includes a plurality of antenna modules which form a sensing zone, are adjacent to each other, do not overlap, and receive an electromagnetic signal generated by the signal generating unit, to generate a plurality of electromagnetic sensing signals. The control unit coupled to the antenna modules receives the electromagnetic induction signals and calculates a location of the signal generating unit in the sensing zone according to intensities of the electromagnetic sensing signals. | 10-17-2013 |
20130285900 | MANIPULATING DEVICE AND DIRECTIONAL INPUT APPARATUS USING THE SAME - A manipulating device includes a first coil, an action unit, a control unit, a modulation unit, and a second coil. The first coil receives a charging signal to incur electromagnetic resonance, so as to generate an electric signal. The action unit generates an action signal. The control unit alternately generates a first control signal according to the electric signal in a first period and a second control signal according to the action signal in a second period. The modulation unit modulates the first control signal and the second control signal to generate a first modulated signal. The second coil generates an output signal according to the first modulated signal. A directional input apparatus uses the manipulating device and a sensing device to generate a directional control input signal. Therefore, the manipulating device uses the modulation unit and the second coil to transmit the output signal to the sensing device. | 10-31-2013 |
20140210711 | TOUCH PANEL AND TOUCH APPARATUS - A touch panel, suitable for sensing a battery-free wireless cursor component, includes a display unit, a touch unit, a processor unit, and an antenna unit. The display unit has a first side and a second side opposite the first side. The touch unit, disposed on the first side of the display unit, receives a cursor signal generated by the battery-free wireless cursor component to generate a touch signal. The processor unit, coupled with the touch unit, receives the touch signal, calculates coordinates of the battery-free wireless cursor component based on the received touch signal, and generates a control signal based on the calculated coordinates. The antenna unit, disposed on the second side of the display unit and coupled with the processor unit, receives the control signal and transmits a frequency signal based on the control signal. | 07-31-2014 |
Patent application number | Description | Published |
20140138520 | Dual-Side Illumination Image Sensor Chips and Methods for Forming the Same - A Dual-Side Illumination (DSI) image sensor chip includes a first image sensor chip configured to sense light from a first direction, and a second image sensor chip aligned to, and bonded to, the first image sensor chip. The second image sensor chip is configured to sense light from a second direction opposite the first direction. | 05-22-2014 |
20140138521 | Dual-Side Illumination Image Sensor Chips and Methods for Forming the Same - A Dual-Side Illumination (DSI) image sensor chip includes a first image sensor chip configured to sense light from a first direction, and a second image sensor chip aligned to, and bonded to, the first image sensor chip. The second image sensor chip is configured to sense light from a second direction opposite the first direction. | 05-22-2014 |
20140169416 | SYSTEM AND METHOD FOR DATA SERIALIZATION AND INTER SYMBOL INTERFERENCE REDUCTION - A system and method is disclosed for reducing inter symbol interference in a high speed data transfer system. One or more decision logic circuits and one or more pull circuits are used to enable the signal level of a bit in a serial bit stream to achieve its nominal value. | 06-19-2014 |
20140218118 | VOLTAGE CONTROLLED OSCILLATOR WITH A LARGE FREQUENCY RANGE AND A LOW GAIN - A system is disclosed for a voltage controlled oscillator (“VCO”) having a large frequency range and a low gain. Passive or active circuitry is introduced between at least one VCO cell in the voltage controlled oscillator and the voltage source for the VCO cell which reduces a gain value for the VCO to maintain stability of the system. | 08-07-2014 |