Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: The present invention discloses a wireless communication device including a slot antenna, a radio-frequency (RF) signal processing module for processing an RF signal transmitted or received by the slot antenna, and an RF signal diplexer coupled between the slot antenna and the RF signal processing module for splitting up the RF signal into a first frequency component and a second frequency component during transmission, and synthesizing the RF signal corresponding to the first frequency component and the second frequency component during reception.

Abstract: In an embodiment of the disclosure, an electronic device arranged for eliminating wireless noise interference is provided. The electronic device includes a circuit board and two first metal components. The metal components are arranged on different sides of the circuit board. Each of the first metal components comprises a first terminal and a second terminal opposite to the first terminal. The first terminal is coupled to the circuit board and the second terminal is open loop. The length of the first metal component is about one-fourth wavelength of a pre-determined frequency.

Abstract: In an embodiment of the disclosure, an electronic device arranged for eliminating wireless noise interference is provided. The electronic device includes a circuit board and two first metal components. The metal components are arranged on different sides of the circuit board. Each of the first metal components comprises a first terminal and a second terminal opposite to the first terminal The first terminal is coupled to the circuit board and the second terminal is open loop. The length of the first metal component is about one-fourth wavelength of a pre-determined frequency.

Abstract: The present invention discloses a directional antenna for a multi-in multi-out or antenna beam switchable wireless communication system, including a substrate, at least one directional antenna, formed on the substrate, for generating a radiating pattern of a radiation plane according to a feeding signal, and a reflector, disposed in parallel to the radiation plane of the directional antenna, for reflecting the radiating pattern of the directional antenna, to increase a gain of the directional antenna corresponding to the radiation plane.

Abstract: The present invention discloses a high gain antenna. The high gain antenna includes a first dipole antenna, formed on a substrate; a parallel reflection metal sheet, formed on the substrate and in parallel with the first dipole antenna; a first vertical reflection metal sheet, vertically disposed on a front side of the substrate and behind the first dipole antenna; and a second vertical reflection metal sheet, vertically disposed on a back side of the substrate and behind the first dipole antenna.

Abstract: A printed circuit board (PCB) structure with a heat dissipation function is provided, including: a package substrate; a landing pad formed over a portion of the package substrate from a first surface thereof, wherein the landing pad has a rectangular configuration and has a plurality of corners; a plurality of ground traces formed over various portions of the package substrate, physically connecting to the bond pad from at least two of the corners thereof, respectively; a first through hole formed through the landing pad and the package substrate from substantially a center portion of the bonding pad; and a plurality of second through holes formed through the landing pad and the package substrate from substantially one of the corners of the bonding pad, wherein the second through holes are adjacent to the ground traces, respectively.

Abstract: A antenna for transmitting radio signals of a lower frequency and a higher frequency includes a driven element comprising two first radiating units for a lower frequency band and two radiating units for a higher frequency band, and a reflector element comprising a first reflecting unit for the lower frequency band and a second reflecting unit for the higher frequency band. The second radiating units are disposed at a side of the first radiating units and respectively coupled to a corresponding first radiating unit. The first reflecting unit is disposed at the other side of the first radiating units, and the second reflecting unit is disposed between the first radiating units and the first reflecting unit.

Abstract: A printed dual-band antenna for an electronic device includes a substrate, a first monopole antenna and a grounding metal sheet. The first monopole antenna is formed on the substrate, and has an electrical length approximating to a quarter wavelength of a first frequency band and a three quarter wavelength of a second frequency band. The grounding metal sheet is formed on the substrate to be a ground of the first monopole antenna. A feeding terminal of the first monopole antenna, formed at a first side of the grounding metal sheet, divides the first side into a first edge and a second edge. Lengths of the first edge and the second edge approximate to a quarter wavelength of the second frequency band.

Abstract: The present invention discloses a high gain antenna. The high gain antenna includes a first dipole antenna, formed on a substrate; a parallel reflection metal sheet, formed on the substrate and in parallel with the first dipole antenna; a first vertical reflection metal sheet, vertically disposed on a front side of the substrate and behind the first dipole antenna; and a second vertical reflection metal sheet, vertically disposed on a back side of the substrate and behind the first dipole antenna.

Abstract: The present invention discloses a directional antenna for a multi-in multi-out or antenna beam switchable wireless communication system, including a substrate, at least one directional antenna, formed on the substrate, for generating a radiating pattern of a radiation plane according to a feeding signal, and a reflector, disposed in parallel to the radiation plane of the directional antenna, for reflecting the radiating pattern of the directional antenna, to increase a gain of the directional antenna corresponding to the radiation plane.

Abstract: The present invention discloses a wireless communication device including a slot antenna, a radio-frequency (RF) signal processing module for processing an RF signal transmitted or received by the slot antenna, and an RF signal diplexer coupled between the slot antenna and the RF signal processing module for splitting up the RF signal into a first frequency component and a second frequency component during transmission, and synthesizing the RF signal corresponding to the first frequency component and the second frequency component during reception.

Abstract: A antenna for transmitting radio signals of a lower frequency and a higher frequency includes a driven element comprising two first radiating units for a lower frequency band and two radiating units for a higher frequency band, and a reflector element comprising a first reflecting unit for the lower frequency band and a second reflecting unit for the higher frequency band. The second radiating units are disposed at a side of the first radiating units and respectively coupled to a corresponding first radiating unit. The first reflecting unit is disposed at the other side of the first radiating units, and the second reflecting unit is disposed between the first radiating units and the first reflecting unit.

Abstract: A printed dual-band antenna for an electronic device includes a substrate, a first monopole antenna and a grounding metal sheet. The first monopole antenna is formed on the substrate, and has an electrical length approximating to a quarter wavelength of a first frequency band and a three quarter wavelength of a second frequency band. The grounding metal sheet is formed on the substrate to be a ground of the first monopole antenna. A feeding terminal of the first monopole antenna, formed at a first side of the grounding metal sheet, divides the first side into a first edge and a second edge. Lengths of the first edge and the second edge approximate to a quarter wavelength of the second frequency band.

Abstract: To improve vertical efficiency, the present invention provides a loop antenna for a wireless network, which includes a feeding terminal for receiving a feeding signal, a shorting-to-ground terminal for providing grounding, a metal bar formed on a first plane and surrounding a center point, a first metal arm formed on a second plane associated with the first plane and coupled between an terminal of the metal bar and the feeding terminal, and a second metal arm formed on a third plane associated with the first plane and coupled between another terminal of the metal bar and the shorting-to-ground terminal.

Abstract: A dipole antenna includes a board and a dipole element. The board includes a dielectric substrate. The dipole element resonates within a predetermined bandwidth, and includes a pair of bilaterally symmetrical radiating arms, each of which is formed on the dielectric substrate. The dipole antenna has a relatively high degree of omni-directivity.

Abstract: A dipole antenna includes a board and a dipole element. The board includes a dielectric substrate. The dipole element resonates within a predetermined bandwidth, and includes a pair of bilaterally symmetrical radiating arms, each of which is formed on the dielectric substrate. The dipole antenna has a relatively high degree of omni-directivity.