Abstract: An electromagnetic induction type LC panel includes a first substrate and a second substrate facing each other, a liquid crystal layer (63) filled between the first substrate and the second substrate, an antenna array made of conductive material, which is formed between a first base substrate (11) and a second base substrate (21) and insulated from conductive material in multi-film structures, and an input identification circuit connected to an output terminal of the antenna array.
Abstract: A liquid crystal panel comprises a first substrate (11) and a second substrate (21) facing each other. A polarizer (30) is adhered to one side of the first substrate (11) orientated away from the second substrate (21). The liquid crystal panel further comprises a touch type input structure which is adhered on the outer surface of the polarizer (30) orientated away from the first substrate (11) to identify a touch signal; and an electromagnetic type antenna array at least comprising a first-direction conductive wire (51) and a second-direction conductive wire (52). The first-direction conductive wire (51) and the second-direction conductive wire (52) are respectively made of conductive material, and are formed on any one film between the first substrate (11) and the second substrate (21). The antenna array is used to identify an electromagnetic signal.
Abstract: An electromagnetic pen, an electromagnetic signal transmission method and an electromagnetic signal processing method, a processing device and a processing apparatus comprises: a reference inductance and a reference capacitor, connected with each other in parallel in a housing of the electromagnetic pen and configured to transmit an electromagnetic signal in a handwritten frequency; a control capacitor, connected with the reference capacitor in parallel and controlled by a control switch connected in series so as to transmit an electromagnetic signal in a control frequency. The processing device comprises: a receiving identification module, configured to receive the electromagnetic signal transmitted by the electromagnetic pen and identify a frequency of the electromagnetic signal; a handwritten input module, configured to input a handwritten symbol when the identified frequency is within a range of the handwritten frequency; and a control input module, configured to input a control signal.
Abstract: A signal transmission wire with audio interface and USB interface, the wire is a four-core connection wire, one end of which is connected to a USB interface, the other end of which is connected to a dual-track audio interface; the four-core signal connection wire is further provided with a winder, the winder is a box, and a bobbin for intertwining the four-core connection wire is pivotally jointed in its cavity; two opening holes are set on the surface of the winder; the double ends of the four-core connection wire pass through the two opening holes respectively; the wire of the four-core connection wire is winded on the bobbin.
Abstract: A touch control display screen with a built-in electromagnetic induction layer of wire lattice includes at least a display screen and a housing. An induction layer is provided behind the display screen and is connected to the induction collection control circuit by its output. A control circuit of display screen is provided in the housing. The induction layer is a wire lattice winded and interlaced separately by the wires along the X and Y axes. The wires are insulated with each other at the crossing points. The space within each lattice unit constitutes one induction cell. Because the electromagnetic induction layer is placed behind the display screen and a printed electromagnetic induction antenna array with flexible membrane is adopted as a recognition induction element, it is easy to manufacture and the cost is low.
Abstract: The present invention relates to a playing storage apparatus whose body is provided with a signal I/O connector and a controlling key. The controlling circuit in the body comprises an audio output circuit connected with the data process circuit, a data I/O interface circuit and a controlling key. The data I/O interface circuit is a USB interface circuit. The body is only provided with a signal connector. The connector has four wires, wherein first signal connecting end and second signal connecting end are connected to the first audio signal wire connecting end and the second audio signal wire connecting end of the audio output circuit, and to the first signal wire connecting end and the second USB signal wire connecting end of the USB interface circuit by a switching module. The third grounding connecting end, the forth signal wire is a controlling connecting end, which is connected to the power of the controlling circuit and is multiplexed with the USB power wire of the USB interface circuit.
Abstract: A portable data converting and processing device with standard data interface, wherein the data processor is a connector-controller, a conversion-controller with functional processing or an integrative or separate combination of them. The connector and the data processor are integrated to form the body unit, and an electric interface for an external unit is set in said body unit. The present invention comprises three modules: a standard interface, a processor and an optional external unit, which can construct communication between storage devices and PC. The processor can obtain the ability to access data from various cards. The present invention can ensure the controlling and transmitting of data, and the external unit, such as converting processor, infrared receiver, RF module or identification module, or the storage devices are the fittings of peripheries.
Abstract: A flat panel display screen includes a flat panel display screen main unit and a touch control induction layer. The touch control induction layer is placed behind the flat panel display screen, wherein the touch control induction layer is constituted by an electromagnetic induction generation layer and a bottom support layer, wherein a base layer of the electromagnetic induction generation layer is an insulated flexible membrane, the surface of the membrane is printed with an electromagnetic induction antenna array, constituting a flexible membrane type electromagnetic induction generation layer, the output of that layer is connected to and controls the recognition circuit, and the input pen has an electromagnetic wave generation device. The present invention has a simple manufacturing technique, low cost, high precision, and long operating life.