Abstract: An antenna device includes a base substrate supported on a base panel, four radiators each include an inner segment located on the base substrate, a middle segment extended from the inner segment, and an outer segment extended from the middle segment, a grounded radiating member is disposed on the bottom surface of the base panel, two feeds disposed on the bottom surface of the base panel and each having a grounded end connected to the grounded radiating member, and two radiating elements disposed on the bottom surface of the base panel, and each having a central portion connected to the feed end of the feed, and two bending sections coupled to the central portion of the radiating element, two outer sections coupled to the bending sections.

Abstract: An antenna device includes a housing having a lower portion for coupling to a non-magnetic option coupler of a vehicle, an insulating member engaged in an upper chamber of the housing, a conductor member engaged into a central bore of the insulating member for engaging with the non-magnetic option coupler, a conductive coupling element having a lower portion engaged into the housing, and a coaxial radiating assembly includes a coaxial radiating device having a central radiating member for connecting to the conductor member, and a peripheral radiating member for connecting to the conductive coupling element, and an insulating element mounted between the central radiating member and the cylindrical radiating member.

Abstract: An antenna device includes an antenna member having a plate, a conductor member disposed on one side of the plate, and another conductor member disposed on the other side of the plate, the plate includes one or more orifices and one or more apertures, and a coupler includes one or more positive electrodes and one or more negative electrodes engaged through the orifices and the apertures of the antenna member and electrically coupled to the conductor members respectively. A housing includes a chamber for receiving the plate of the antenna member, and a cylindrical member having a bore for receiving the coupler. The housing includes two housing members having a chamber for receiving the plate.

Abstract: A flat panel antenna includes a horizontal ground plan, a vertical ground plane, a radiation metal member disposed over and in parallel with the horizontal ground plane; the vertical ground plane being disposed at a level higher than that of the radiation metal member, an extension member extending from the vertical ground plane in the direction of and in parallel with the radiation metal member to penetrate into the radiation metal member for a proper length for precise control impedance of the antenna for the normalized impedance to approach 1, i.e. 50-ohm of the system impedance of the antenna to upgrade radiation efficiency of the flat panel antenna.

Abstract: A ceiling antenna housing includes a lower receptacle having a number of orifices, an upper receptacle disposed on the lower receptacle and having a number of cavities aligned with the orifices of the lower receptacle, an antenna member received between the lower receptacle and the upper receptacle, one or more anchoring members disposed on the upper receptacle and each having a hooking member, and a number of fasteners for securing the receptacles and the anchoring member together. The hooking members of the anchoring members may be used for engaging with hanger members typically for attaching ceiling panels to the ceiling, to attach the ceiling antenna housing to the ceiling.

Abstract: An electric connector includes two couplers attached to two end portions of a housing, a center contact member disposed in the housing and the couplers, one or more insulators disposed in the housing for insulating and spacing the center contact member from the housing and the couplers and for preventing the center contact member from electrically contacting with the housing and the couplers, and a lightening discharger disposed in the housing and coupled to the center contact member, and the center contact member includes at least two contact segments having different diameter for increasing the impedance matching and for reducing the signal loss or energy leakage or gain loss.

Abstract: A ceiling antenna housing includes a receptacle having a chamber to receive an antenna member and having a number of orifices for receiving fasteners. The fasteners each includes an aperture for engaging with hanger members typically for attaching ceiling panels to a ceiling, and for allowing the ceiling antenna housing to be easily and readily attached to the ceiling without drilling holes by the users themselves. A cover is attached to the receptacle and has a number of cavities for receiving the fasteners. The cover may also include a hooking member or an anchoring member to engage with the hanger members.

Abstract: An antenna device includes an antenna housing having a chamber and a slot formed in one end and formed between two arms and communicating with the chamber, an antenna member having a stud engaged into the slot and rotatably coupled to the antenna housing with a pivot axle and having two or more flat surfaces formed in the stud. A spring-biased follower is slidably received in the antenna housing and includes an actuator for engaging with either of the flat surfaces of the antenna member and for anchoring and retaining the antenna member to the antenna housing at selected angular positions. The antenna device includes a greatly simplified structure with a greatly reduced expense.

Abstract: An antenna device includes a coupler rotatably attaching to a support device, a connector rotatably attached to the coupler with a pivot axle and having an aperture formed in a free end, and having a stop. An antenna member includes an extension extended from one end for rotatably engaging into the aperture of the connector. The antenna member includes a stop for engaging with the stop of the connector, and for limiting the antenna member to rotate relative to the connector. The connector includes a number of grooves, for engaging with a projection of the antenna member, to position the antenna member to the connector at selected or predetermined angular position.

Abstract: A printed antenna includes a smaller antenna member attached onto the circuit board, one or more greater antenna members attached onto the circuit board and electrically coupled to the smaller antenna member with conductive coupling members and coupled in series with each other, a feed-in terminal electrically coupled to the smaller antenna member, and a ground member attached onto the circuit board and spaced away from the feed-in terminal for a spaced distance for increasing the gain value and the frequency bandwidth of the printed antenna. The ground member may include one or more extensions located beside the feed-in terminal and the smaller antenna member.

Abstract: An antenna device includes a seat, a longitudinal antenna member having a lower portion disposed on the seat, and a cylindrical antenna member having a lower portion disposed on the seat and having a chamber formed by an outer peripheral wall, and the longitudinal antenna member is disposed in the chamber of the cylindrical antenna member and spaced from the outer peripheral wall of the cylindrical antenna member for a distance, and the longitudinal antenna member includes an upper portion extended outwardly beyond the cylindrical antenna member. The antenna members may be used for receiving and transmitting signal of different frequencies.

Abstract: An antenna mounting device includes a housing having a chamber formed by an outer peripheral wall, a suction cup and a base casing received in the housing, the base casing includes a lower seat and an upper seat disposed on top of an outer peripheral fence, a ring member is rotatably engaged onto the base casing and includes a bottom actuator and a recessed actuator for engaging with the lower seat and the upper seat of the base casing and for adjusting the ring member up and down relative to the base casing when the ring member is rotated relative to the base casing. A cap is coupled to the central coupling member of the suction cup with a stem for actuating the suction cup.

Abstract: An antenna device includes a coupler rotatably attaching to a support device, a connector rotatably attached to the coupler with a pivot axle and having an extension, and having a stop. An antenna member includes a bore formed in one end for rotatably receiving the extension of the connector. The antenna member includes a stop for engaging with the stop of the connector, and for limiting the antenna member to rotate relative to the connector. The connector includes one or more projections extended into a peripheral groove, and the antenna member includes one or more anchoring members for engaging with the projection of the connector, to position the antenna member to the connector at selected angular position.

Abstract: An antenna assembly includes a circuit board, and one antenna device disposed on one side of the circuit board, for receiving and transmitting signals laterally, and another antenna device disposed on the other side of the circuit board, for receiving and transmitting signals vertically, to prevent the signal receiving and transmitting operations of the antenna devices from being interfered with each other. The antenna devices each includes two antenna members for receiving and transmitting signals toward different directions relative to each other, and each having two or more antenna segments for receiving and transmitting signals of different frequencies.

Abstract: A signal connector is provided according to the invention which signal connector relates to a signal connector used to connect to an electronic circuit and can be switchedly operated between two signal sources. The elements needed are simplified so that the signal connector can reduce the prime cost.

Abstract: A lighted antenna is provided. The lighted antenna is composed of an antenna pole, a base block, a cylindrical body, a control circuit, and a battery. The base block has a hole in the center for fixing the antenna in upright position, and a plurality of clipping holes surrounding center hole. The cylindrical body has a plurality of cylinder clips formed along the circular rim on one end, corresponding to the positions of the clipping holes. A plurality of light-emitting diodes are installed inside the base block and positioned directly below respective clipping holes. The cylindrical body is attached onto the base block by press fitting the cylinder clips into respective clipping holes. Whenever the antenna is activated, light is projected onto the antenna surface with inclined angle, passing through unblocked portion of clipping holes, to produce flashing light.

Abstract: An antenna includes a reflector panel having an inner concave surface and an outer convex surface, a circuit board having two antenna members directed toward different directions and having a terminal coupled to a cable device. The circuit board is received in the concave surface of the reflector panel, and the concave surface of the reflector panel may be used to reflect or to concentrate signals to and from the circuit board. It is preferable that the antenna members are disposed on two opposite surfaces of the circuit board, and directed toward opposite directions. A casing may support the circuit board, and has a channel to receive the circuit board.

Abstract: The invention relates to an improved metal shielding mask for a connector having an antenna, comprising a hollow metal shielding mask formed of an upper sheet portion and a lateral sheet portion, wherein an antenna is formed by extending a predefined length of a metal plate in a vertical or horizontal direction from a predetermined position at a lower end of a side of the upper sheet portion, a signal feeding terminal for the antenna of the metal shielding masks formed of an I shaped extension portion which is externally extended from a top end of a side of the upper sheet portion along one end of the antenna, and a ground terminal for the metal shielding is formed of a plurality of I shaped extension portions which are respectively extended externally from both sides of the lateral sheet portion as the metal shielding mask is bent.