Abstract: In an embodiment, a method includes: forming an interconnect including waveguides and conductive features disposed in a plurality of dielectric layers, the conductive features including conductive lines and vias, the waveguides formed of a first material having a first refractive index, the dielectric layers formed of a second material having a second refractive index less than the first refractive index; bonding a plurality of dies to a first side of the interconnect, the dies electrically connected by the conductive features, the dies optically connected by the waveguides; and forming a plurality of conductive connectors on a second side of the interconnect, the conductive connectors electrically connected to the dies by the conductive features.

Abstract: An electrical stylus tip and a stylus using the same are provided. The electrical stylus tip includes a metal rod and a plastic covering member. The metal rod has a head portion, an end portion and a body portion. A connection rod is connected between the head portion and the body portion. The plastic covering member and the metal rod are integrally formed by means of insert molding. The plastic covering member includes a conductive element covering the head portion and a non-conductive element covering the body portion, and the conductive element and the non-conductive element are connected to each other. The connection rod is enclosed within the conductive element and the non-conductive element, and the end portion protrudes out of the non-conductive element. Accordingly, signal detection is improved, and accuracy of stylus position detection is improved.

Abstract: A semiconductor package includes an interconnect structure having a first surface and a second surface opposite to the first surface, at least one optical chip over the first surface of the interconnect structure and electrically coupled to the interconnect structure, an insulating layer contacting the second surface of the interconnect structure, and a molding compound over the first surface of the interconnect structure. The insulating layer includes a third surface facing the second surface of the interconnect structure and a fourth surface opposite to the third surface. At least an edge of the optical chip is covered by the molding compound.

Abstract: A multi-dimensional image projection apparatus is provided. The multi-dimensional image projection apparatus includes an image projector and an image-processing circuit. The image-processing circuit is configured to receive an input image, and perform a linearity transformation process and a first inverse image warping process on the input image according to sensor information about the multi-dimensional image projection apparatus relative to the projection surface to generate a first image. The image-processing circuit performs a matrix transformation process and a second inverse image warping process on the first image according to the sensor information to generate a second image, and generate an output image according to the second image. The image projector projects the output image onto the projection surface.

Abstract: In an embodiment, a method includes: forming an interconnect including waveguides and conductive features disposed in a plurality of dielectric layers, the conductive features including conductive lines and vias, the waveguides formed of a first material having a first refractive index, the dielectric layers formed of a second material having a second refractive index less than the first refractive index; bonding a plurality of dies to a first side of the interconnect, the dies electrically connected by the conductive features, the dies optically connected by the waveguides; and forming a plurality of conductive connectors on a second side of the interconnect, the conductive connectors electrically connected to the dies by the conductive features.

Abstract: A touch sensing circuit includes N periodic-wave signal generation modules, an analog front-end circuit module, N mixing modules, and N integration modules. N is an integer. The N periodic-wave signal generation modules generate N first periodic-wave signals having N frequencies to N first channels of a capacitive touch panel. The analog front-end circuit module receives and demodulates the N first periodic-wave signals passing through N mutual capacitance at N intersection points of the N first channels and a second channel to output an analog front-end signal. The N mixing modules mix the analog front-end signal and N second periodic-wave signals having the N frequencies respectively into N mixed signals. The N integration modules integrate the N mixed signals to generate N output signals.

Abstract: A display driving circuit comprising a video signal transformation circuit, a reference voltage generating circuit, a DAC and an interpolation operational amplifier is provided. The video signal transformation circuit transforms an input video signal into a transformed video signal with a higher bit depth. The transformed video signal comprises an upper n bits data and a lower m bits data, wherein n+m equals a bit depth of the transformed video signal. The reference voltage generating circuit generates reference voltages. The DAC selects a first reference voltage and a second reference voltage to interpolation operational amplifier from the reference voltages according to an upper n bits data of the transformed video signal. The interpolation operational amplifier outputs a driving voltage to display device according to the first reference voltage, the second reference voltage and the lower m bits data of the transformed video signal.

Abstract: A key structure having a pressing area is provided. The key structure includes a first membrane and a second membrane. A first conductive layer and a first insulation layer are sequentially disposed on a surface of the first membrane. The first insulation layer has a first opening in the pressing area, so that a part of the first conductive layer is exposed from the first opening. The second membrane is disposed opposite to the first membrane. A second conductive layer and a second insulation layer are sequentially disposed on a surface of the second membrane facing the first membrane. The second insulation layer has a second opening, which is formed corresponding to the first opening, in the pressing area, so that a part of the second conductive layer is exposed from the second opening to face the first conductive layer in the first opening.

Abstract: A radiation therapy system is equipped with a combined imaging system, such as an imaging system combining computed tomography (CT), spectral CT, and single photon emission tomography imaging (SPECT), for guidance of radiation beams providing radiotherapy. The system can include at least one x-ray source that emits an x-ray beam at a low energy level for imaging and/or an x-ray beam at a high energy level for radiation therapy. The system can also include at least one imager, such as a cadmium zinc telluride (CZT) or cadmium telluride (CdTe) flat-panel imager that receives x-ray beams traversing a subject from the x-ray source and gamma rays emitted by radioisotope tracers injected into the subject. Based on the guidance of the triple images (CT, spectral CT, and SPECT), a computer system can control the radiation therapeutic beam delivery to target areas, such as lesions and/or tumors.

Abstract: A circuit and method of measuring capacitance are disclosed. The capacitance measuring circuit includes an integrator circuit, a first control circuit, a second control circuit and a processor circuit. The capacitance measuring method includes steps of: using a current source and a charging/discharging time to generate a first charge amount related to a second charge amount of a capacitor to be detected; generating a third charge amount and generating a fourth charge amount according to the first charge amount and the third charge amount; generating a fifth charge amount and generating a remaining charge amount according to the fifth charge amount and fourth charge amount; using an integrator to convert the remaining charge amount into a first voltage and generating a judging result according to whether the first voltage meets a second voltage; and calculating the judging result to obtain a capacitance variation of the capacitor to be detected.

Abstract: Embodiments of a stylus having a capacitive slide sensor and grip sensors are disclosed, for use with electronic devices and particularly with touchscreen devices. The stylus is in signal communication with the electronic device, either wired or wirelessly, and the slide sensor allows a user to generate a sliding data value as well as a contact/no-contact datum; these can be used as scaled control values or as buttonpress control values to control features of applications running on the electronic device. The capacitive sensors are formed on a single flexible PCB wrapped inside the stylus barrel.

Abstract: Embodiments of a force sensing resistor (FSR) are disclosed. The FSR has one or more external conductive layers, applied to at least part of the contact surface of the FSR, so that when a conductive probe presses the FSR, initial zero-force contact with the FSR can be detected immediately. The external conductive layer or layers may be rigid sheet metal, flexible sheet metal, metallic-coated polymer, conductive polymer, conductive elastomer, or other conductive material. A lead or trace may be electrically coupled to the external conductive layer or layers to allow for ease of coupling to a circuit or circuit board.

Abstract: Embodiments of a stylus having a capacitive slide sensor and grip sensors are disclosed, for use with electronic devices and particularly with touchscreen devices. The stylus is in signal communication with the electronic device, either wired or wirelessly, and the slide sensor allows a user to generate a sliding data value as well as a contact/no-contact datum; these can be used as scaled control values or as buttonpress control values to control features of applications running on the electronic device. The capacitive sensors are formed on a single flexible PCB wrapped inside the stylus barrel.

Abstract: A method for manufacturing an electrode is provided. A composite including a carrier layer and a collector layer disposed thereon is provided. The collector layer has a first surface and an opposite second surface, and the first surface of the collector layer faces to the carrier layer. A first coating process is performed to coat first electrode material on the second surface of the collector layer. A first curing process is performed to dry the first electrode material. The carrier layer is removed after the first electrode material is dried to expose the first surface of the collector layer. A second coating process is performed to coat a second electrode material on the first surface of the collector layer. A material of the second electrode material is same with that of the first electrode material. A second curing process is performed to dry the second electrode material.

Abstract: A display driving circuit comprising a video signal transformation circuit, a reference voltage generating circuit, a DAC and an interpolation operational amplifier is provided. The video signal transformation circuit transforms an input video signal into a transformed video signal with a higher bit depth. The transformed video signal comprises an upper n bits data and a lower m bits data, wherein n+m equals a bit depth of the transformed video signal. The reference voltage generating circuit generates reference voltages. The DAC selects a first reference voltage and a second reference voltage to interpolation operational amplifier from the reference voltages according to an upper n bits data of the transformed video signal. The interpolation operational amplifier outputs a driving voltage to display device according to the first reference voltage, the second reference voltage and the lower m bits data of the transformed video signal.

Abstract: Embodiments of a force sensing resistor (FSR) are disclosed. The FSR has one or more external conductive layers, applied to at least part of the contact surface of the FSR, so that when a conductive probe presses the FSR, initial zero-force contact with the FSR can be detected immediately. The external conductive layer or layers may be rigid sheet metal, flexible sheet metal, metallic-coated polymer, conductive polymer, conductive elastomer, or other conductive material. A lead or trace may be electrically coupled to the external conductive layer or layers to allow for ease of coupling to a circuit or circuit board.

Abstract: A touch sensing circuit includes N periodic-wave signal generation modules, an analog front-end circuit module, N mixing modules, and N integration modules. N is an integer. The N periodic-wave signal generation modules generate N first periodic-wave signals having N frequencies to N first channels of a capacitive touch panel. The analog front-end circuit module receives and demodulates the N first periodic-wave signals passing through N mutual capacitance at N intersection points of the N first channels and a second channel to output an analog front-end signal. The N mixing modules mix the analog front-end signal and N second periodic-wave signals having the N frequencies respectively into N mixed signals. The N integration modules integrate the N mixed signals to generate N output signals.

Abstract: A capacitance evaluation circuit includes a capacitive voltage divider, an analog-to-digital converter (ADC) and a processing module. The capacitive voltage divider includes a switch circuit, a known capacitor and a capacitor under test. The switch circuit is controlled by first and second clock signals. A voltage variation at a first terminal of the known capacitor is coupled to a first terminal of the capacitor under test based on a conduction state of the switch circuit. The ADC converts a voltage on the first terminal of the capacitor under test into a digital signal. The processing module detects a capacitance and a capacitance variation of the capacitor under test according to the digital signal from the ADC and a parameter of the ADC.

Abstract: A wheelchair system includes a wheelchair including at least one adjustable seating function, a sensor system in operative connection with the wheelchair which includes at least one sensor to measure or sense a position of the at least one adjustable seating function, a processor system in operative connection with the sensor system, a memory system in operative connection with the processor system, and a communication system in operative connection with the processor system. The communication system is, for example, adapted to wirelessly communicate with one or more remote systems (that is, a system remote from the wheelchair; for example a remote system or server, which may include a database). The wheelchair system further includes a user interface system in operative connection with the processor system and at least one application stored on the memory system and executable by the processor system.

Abstract: A display driving circuit comprising a video signal transformation circuit, a reference voltage generating circuit, a DAC and an interpolation operational amplifier is provided. The video signal transformation circuit transforms an input video signal into a transformed video signal with a higher bit depth. The transformed video signal comprises an upper n bits data and a lower m bits data, wherein n+m equals a bit depth of the transformed video signal. The reference voltage generating circuit generates reference voltages. The DAC selects a first reference voltage and a second reference voltage to interpolation operational amplifier from the reference voltages according to an upper n bits data of the transformed video signal. The interpolation operational amplifier outputs a driving voltage to display device according to the first reference voltage, the second reference voltage and the lower m bits data of the transformed video signal.