Abstract: A digital receiving antenna device is connected to a digital television through a coaxial cable and has a casing, a flat antenna, a coaxial cable connector and a coaxial transmission line. The flat antenna is mounted in the casing and connected electronically to the coaxial cable through the coaxial transmission line. Since the coaxial transmission line has a fixed capacitance without regard to the distance between the feed point and the coaxial cable connector, a fixed capacitor is connected between the flat antenna and the coaxial cable connector. Therefore, the coaxial transmission line can be used as a transmission line for different size flat antennas, and each coaxial transmission line will have the same impedance. These different size digital receiving antenna devices can use the same antenna signal processing circuit and still have an impedance match between the flat antenna and the antenna signal processing circuit.

Abstract: A digital indoor antenna device having a casing, a pivotal seat, a circular antenna having two ends and a PCB in the casing. The pivotal seat attached to the casing has two mounting holes respectively in which the two ends of circular antenna are mounted. The circular antenna rotates on the casing to adjust the horizontal receiving angle. Therefore, the circular antenna device can receive larger intensity of horizontal polarized signals. In addition, the pivotal seat can be pivotally connected to the casing, so the circular antenna can rotate horizontally on the casing to search for different channel signals.

Abstract: An indoor UHF antenna device for a digital television includes a flat structural design. The flat indoor UHF antenna device includes a circuit board having a wireless signal processing circuit and an antenna. A metal wire bent as a long rectangular antenna and having a gap forms the antenna. Two signal feeder points are defined at two locations having a same distance from two long sides of the long rectangular antenna respectively, and thereby the antenna includes a first antenna part having a gap and a second antenna part for impedance matching. The antenna is set horizontally on the circuit board with the signal feeder points welded on the circuit board. Thereby the antenna device of the present invention is enhanced to receive wireless signals of polarized waves transmitted by different transmitters.

Abstract: An indoor UHF antenna device for a digital television includes a flat structural design. The flat indoor UHF antenna device includes a circuit board having a wireless signal processing circuit and an antenna. A metal wire bent as a long rectangular antenna and having a gap forms the antenna. Two signal feeder points are defined at two locations having a same distance from two long sides of the long rectangular antenna respectively, and thereby the antenna includes a first antenna part having a gap and a second antenna part for impedance matching. The antenna is set horizontally on the circuit board with the signal feeder points welded on the circuit board. Thereby the antenna device of the present invention is enhanced to receive wireless signals of polarized waves transmitted by different transmitters.

Abstract: An antenna apparatus includes a bracket and a signal receiving box. The bracket has a base, a first connecting rod rotatably mounted on the base, and a second connecting rod pivotally mounted on the first connecting rod. The signal receiving box is rotatably mounted on the second connecting rod. Whereby, the signal receiving box can be adjusted at any angle for clearly and effectively receiving both the horizontal and the vertical signals.

Abstract: An antenna apparatus includes a bracket and a signal receiving box. The bracket has a base, a first connecting rod rotatably mounted on the base, and a second connecting rod pivotally mounted on the first connecting rod. The signal receiving box is rotatably mounted on the second connecting rod. Whereby, the signal receiving box can be adjusted at any angle for clearly and effectively receiving both the horizontal and the vertical signals.

Abstract: An indoor antenna includes a receiving plate and a pivoting leg. The pivoting leg is composed of a supporting rod and an attachment securely yet rotatably connected to a rear side of the receiving plate. The supporting rod is pivotally connected to the attachment so that after rotatable movement of the receiving plate, the supporting rod is still able to stand the receiving plate.

Abstract: An indoor UHF antenna for a digital television includes a flat structure, which is easy to install and also can be adjusted to different receiving angles according to horizontal polarized waves or vertical polarized waves transmitted by different transmitters. The antenna device includes a circuit board, a main rod antenna, and an auxiliary rod antenna. The main rod antenna is horizontally welded with a signal feeder terminal of the circuit board, and the auxiliary rod antenna is parallel welded with an earth terminal of the circuit board for stabilizing signals. Thereby the whole antenna structure is flat and can be adjusted to any receiving angle easily, so as to match up and be suitable to receive wireless digital television signals of the horizontal polarized waves or vertical polarized waves from different transmitters.

Abstract: An antenna has a base, a rotating base, a supporting arm, an antenna body and a positioning device. The rotating base is rotatably mounted on the base. The supporting arm is pivotally connected to the rotating base. The antenna body is pivotally attached to the supporting arm. The positioning device is mounted between the supporting arm and the rotating base to support the antenna body at a desired position. Accordingly, the antenna body can be adjusted to a desired angle, direction and height so as to provide an excellent signal-receiving effect.

Abstract: An indoor antenna includes a rectangular receiving board with four edges. Two fastening members are respectively provided at two adjacent edges of the receiving board and perpendicular to each other. A seat has a bottom plate. A supporting member is formed on the bottom plate and engaged in one of the two fastening members for positioning the receiving board on the seat. Whereby, the antenna can receive vertical or horizontal signals by inserting the supporting member into the corresponding fastening member.

Abstract: An anti-interference relay device has a receiving module and a transmitting module. The receiving module modulates a received IR signal from a remote controller and an identification (ID) code of the receiving module to an RF signal and then broadcasts the RF signal. When the RF signal is demodulated by the transmitting module, the demodulated ID code is compared with a preset ID code. If the two ID codes are matched, the demodulated IR signal is allowed to output to control an appliance, otherwise the IR signal is ignored.

Abstract: An indoor television antenna assembly includes a base, a UHF antenna and a VHF antenna. The base has a top, a bottom, an annular groove defined in the top and two elongated straight slots defined in the bottom alongside the base. The UHF antenna is adjustably mounted on the top of the base and includes a ring seat rotatably mounted in the rotation recess and a ring antenna pivotally mounted on the ring seat. The VHF antenna is pivotally mounted in the base and includes an inner shaft pivotally mounted in the base and two dipole antennas pivotally respectively mounted on the inner shaft and held respectively in the elongated straight slots. Consequently, the foldable UHF and VHF antennas make the entire indoor television antenna assembly compact to save packaging materials and storage space.

Abstract: A collapsible indoor television antenna assembly includes a base, a VHF antenna set and a UHF antenna. The base has a top, a top recess and an annular rib with a pivot slot formed on the top of the base to define the top recess. The UHF antenna includes a pivot assembly and a disk antenna. The pivot assembly is mounted in the pivot slot. The disk antenna is collapsible, is rotatably mounted on the pivot assembly and is received in the top recess. The VHF antenna set includes two connection rods and two collapsible dipole antennas. The connection rods are retractably and rotatably mounted in the base. The dipole antennas are pivotally connected to the connection rods and are retracted into the base. Consequently, the foldable UHF and VHF antennas make the entire indoor television antenna assembly compact to save packaging materials and storage space.

Abstract: A TV receiving aerial having a dual antenna set and a lamp is provided, including two antennas, a key pad, at least one light source, a lamp shade and a circuit board; wherein the light source is exposed over the unit body and engulfed by a lamp shade. The lamp can provide normal lighting and night light to facilitate the tuning of the TV receiving aerial. When the viewer turns on the lamp through the key pad control, the lamp driver circuit is enabled to supply DC current to the light source to give out light and brighten the surrounding area of the lamp shade. The TV receiving aerial is capable of receiving UHF and VHF channels, as well as cable channels through a cable switch.

Abstract: An antenna assembly has an antenna set, a rotation assembly and a control circuit for driving the rotation assembly to rotate to adjust receiving angel of the antenna set. The control circuit can learn to adjust remote signals represented different channel number on a remote control to automatically control the receiving angle and direction of an antenna set. Thus, the antenna assembly can be suitable to general remote control to automatically adjust the antenna set to search the wireless bands. Besides, the control circuit further stores data related to the wireless bands with the corresponding channel number to be easy for user turn to specific wireless band without searching step.

Abstract: An indoor antenna has an antenna assembly with at least one antenna, a controlling circuit, a temperature sensor and a LCD. The controlling circuit has a microprocessor. The microprocessor has a clock and is electronically connected to the temperature sensor and the LCD. The microprocessor obtains a temperature signal from the temperature sensor and keeps time so the LCD can display the temperature and current time in addition to sending broadcast signals received by the antenna to a television. Therefore, the indoor antenna is a multiple function antenna that provides other useful information.