Abstract:
An energy-efficient touch panel control device includes a touch panel, a buffer memory, an interrupt initiation unit, for outputting an interrupt signal, an analog to digital conversion unit, for converting analog output voltage to digital trace data and storing the digital trace data in the buffer memory, and according to a control signal, switching an operating mode, an operation unit, generating a detecting result according to the digital trace data, switching the operating mode according to the control signal, a mode control unit, for generating the control signal according to the interrupt signal, and a host interface unit.
Abstract:
An antenna module for wireless signal transmission of an electronic device is disclosed. The antenna module comprises an antenna body and a fixing part. The antenna body comprises a radiating element, a grounding element, a connecting element, and a feeding point. The radiating element has a first radiating area and a second radiating area. The connecting element has a first end and a second end. The first end is connected with the first radiating area of the radiating element and the second end is connected with the grounding element. The feeding point is disposed on the radiating element and is used to feed a signal. The fixing part comprises a main body and a first clip portion. The main body is used to match the shape of the antenna body. The first clip portion is used to clip and fix the antenna body.
Abstract:
A touch control pen assembly comprises a pen head including a touch head and the base; the touch head being placed in the base; one end of the touch head having a spring; a rear end of the touch head being formed with an annular groove for receiving the spring so as to form as the pen head; when the touch head being pressed downwards, the spring providing a buffer force to the touch head; and a pen shaft assembly connected to a rear end of the pen head for extending a length of the pen head so that a user can hold the pen conveniently. The pen head is detachable to be used with pen shaft assembly of different types. The spring at one end of the touch head will provides a buffer force for a pressed touch head so that the pen has uniform pointing forces.
Abstract:
The antenna of the invention includes a transceiver unit and a dielectric unit. The transceiver unit has a ground portion, a radial portion, a conductive portion and a feed portion. The ground portion and the radial portion are disposed apart in parallel, so as to form a space therebetween. The distance between the ground portion and the radial portion is defined as a transceiver unit height. The dielectric unit is disposed in the space. That is, the dielectric unit is disposed between the ground portion and the radial portion. The dielectric unit has a dielectric unit thickness less than the transceiver unit height. In one embodiment, the ratio of the dielectric unit thickness to the transceiver unit height is preferably between 0.4 and 0.7.
Abstract:
A touch detecting device capable of saving power for a touch panel includes a touch sensing unit, a micro control unit and a mode detecting unit. The touch sensing unit is coupled to the touch panel and used for being triggered by a first control signal to generate sensing data according to a touch state of the touch panel. The micro control unit is coupled to the touch sensing unit and used for being triggered by a second control signal to generate the first control signal. The mode detecting unit is coupled to the micro control unit and the touch panel, and used for generating the second control signal according to the touch state of the touch panel.
Abstract:
An electronic device and a related antenna module for integrating GPS signals and digital mobile television signals are provided. With variances of both frequency domains and bandwidths between GPS signals and digital mobile television signals in the VHF and UHF bands, said signals may be transmitted inside the electronic device with different paths without interfering with each other.
Abstract:
A voltage conversion device capable of enhancing conversion efficiency includes a charge pump for generating output voltage linear to input voltage according to the input voltage, a feedback unit for generating a feedback signal according to the output voltage generated by the charge pump, and a regulating unit for outputting and adjusting the input voltage according to the feedback signal provided by the feedback unit, so as to keep the output voltage unchanged.
Abstract:
An electronic device and a related antenna module for integrating GPS signals and digital mobile television signals are provided. With variances of both frequency domains and bandwidths between GPS signals and digital mobile television signals in the VHF and UHF bands, said signals may be transmitted inside the electronic device with different paths without interfering with each other.
Abstract:
A wireless communication device includes an internal antenna module, a DC power source, a signal processing module, a first low noise amplifier coupled to the internal antenna module including a signal input end, a power input end, and a signal output end. The wireless communication device further includes a switch including a first terminal for coupling to an external antenna module, a second terminal, and a third terminal. The wireless communication device further includes a first equivalent inductor coupled to the DC power source and the second terminal, a second equivalent inductor coupled to the input end of the first low noise amplifier and the third terminal, a first capacitor coupled to the signal output end of the first low noise amplifier and the third terminal, and a second capacitor coupled to the signal processing module and the second terminal.
Abstract:
A joint includes a plurality of plates each including a first portion and a second portion for overlapping the first portion of the next one of the plates. Each of the plates may define a plurality of apertures each for receiving a fastener. Each of the plates may include a tab formed thereon for connection with an article.