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| Number | Title | Issue Date |
| 7307535 | Air coil RF transponder and method of making same An RF air coil transponder includes a rotatable carrier, such as a rigid reel. A coil is wound about the reel and at least one field influencing body for influencing the electric and/or the magnetic field within the coil is supported by the reel. The rigidity of the... | 12/11/2007 |
| 7256749 | Compact, mechanically scanned cassegrain antenna system and method A mechanically scanned reflector antenna system that produces a compact swept diameter and overall height, which is ideally suited for use on the external surface of a high speed mobile platform where a low profile, lightweight antenna is needed. The antenna system ... | 08/14/2007 |
| 7221968 | Dedicated short-range communication apparatus for motor vehicle An on-vehicle DSRC apparatus includes a main body (11) a signal processing unit provided in the main body (11), an external storage medium insertion slot (12), an antenna array (22) electrically connected to the signal processing unit to ... | 05/22/2007 |
| 7211768 | Heating line pattern structure of defogger A heating line pattern structure of a defogger comprising a meander shape heating line portion is provided, in which the local temperature rise of a glass panel may be suppressed and which has a good outward appearance. Two lateral heating lines each having a thick ... | 05/01/2007 |
| 7183988 | Directional antenna mechanism A directional antenna mechanism of a mobile radio tracking receiver, includes four antenna elements pivotably fastened to the body of the receiver. In use, the elements are turned to an operating position, in which they are pointed away from the body. After use, the... | 02/27/2007 |
| 7180454 | Remote door lock controller for vehicles LF antennas are mounted respectively on the corners of a rear bumper of a vehicle. Radio waves radiated from the LF antennas mounted respectively on the corners of the rear bumper are propagated to the both surfaces of the vehicle on the opposite sides of the corner... | 02/20/2007 |
| 7158084 | Variable antenna apparatus for a mobile terminal A variable antenna apparatus for a mobile terminal. The variable antenna apparatus includes a radiation component that is rotatably coupled with the mobile terminal, a feeding component that is adjacent to a first end part of the radiation component and electrically... | 01/02/2007 |
| 7091924 | MEMS transmission and circuit components An Rf device (100) that comprises unique MEMS RF transmission and circuit components (104–106) that are integrated together on a semiconductor chip (101) to form the RF device (100). These MEMS components (104–106) are monolithically ... | 08/15/2006 |
| 6831611 | Antenna system The invention is an antenna system that transmits and receives image signals audio signal and/or data signals. The antenna system has at least one antenna element and one or more power supply elements. A power supply switching device switches the power supply elemen... | 12/14/2004 |
| 6583685 | Antenna arrangement A matching circuit for a screen antenna receives on its signal input an MF or LF signal output of a screen antenna and feeds a signal though its signal output via a capacitive feeder to a radio receiver. The matching circuit includes components which oper... | 06/24/2003 |
| 6476778 | Remotely controlled retractable power antenna A wireless remotely controlled power retractable antenna for a vehicle radio system. A power retractable antenna is provided with a receiver/controller. Rather than rely on signals from the radio or other hard-wired device, the receiver/controller is adap... | 11/05/2002 |
| 5929817 | Antenna mounts A collapsible dish antenna mount (1) for a vehicle roof, has a mast (11) received in said roof and extending into the vehicle. The dish antenna (3) is secured to said mast (11) by a mechanical linkage operable from within said vehicle such that the dish a... | 07/27/1999 |
| 5905345 | Multi-functional apparatus employing an intermittent motion mechanism A multi-functional apparatus employs an intermittent motion mechanism. An electromagnetic device selectively causes movement of the intermittent motion mechanism thereby moving a mechanical device coupled thereto. In another aspect of the present inventio... | 05/18/1999 |
| 5483132 | Control device for motor-driven telescopic antenna A control device for an electrically driven telescopic antenna including: a counting signal extracting circuit which detects the altered waveform of an rectified current generated during the forward or reverse rotation of a DC motor so as to extract count... | 01/09/1996 |
| 5451974 | Retractable helical antenna A retractable antenna assembly having a helically coiled antenna, a bushing having a helically threaded hole fully therethrough which freely engages the helical coil, and a driver to cause helical motion to the antenna relative to the bushing, and thereby... | 09/19/1995 |
| 5446472 | System for raising and lowering an antenna A system is described for raising and lowering an antenna without using an electric motor or hand crank. A shaft is attached to an antenna mounted to the roof of a recreational vehicle. A first adapter engages the shaft. A second adapter couples with the ... | 08/29/1995 |
| 5364049 | Vehicular mounting system for directional antennas A system is provided for mounting directional antennas on vehicles. The mounting system employs a conventional roof rack as a support base for the antenna mount. In one embodiment, a straight tubular frame member is attachable to the roof rack. An upwardl... | 11/15/1994 |
| 4987422 | Concealable vehicular radio communications antenna system For a vehicle which sometimes requires two-way radio communications but which sometimes requires an ordinary appearance, for example an unmarked law enforcement vehicle which could be compromised by the conspicuousness of a conventional communications ant... | 01/22/1991 |
| 4887091 | Broadcasting receiver for vehicles A broadcasting receiver for vehicles especially suited for receiving satellite broadcasting signals comprises a base plate rotatable horizontally, a main reflector tiltably attached to the base plate, a sub-reflector attached to the end portion of an arm ... | 12/12/1989 |
| 4866458 | Clutch system for motor driven telescopic antenna A clutch system for a motor driven telescopic antenna, a first rotor provided on a main shaft for moving an antenna drive cord of a telescopically adjustable antenna, a second rotor fitted over the main shaft and rotated by an electric motor, first and se... | 09/12/1989 |
| 4811026 | Mobile satellite receiving antenna especially for recreation vehicle A satellite transmission receiving antenna with unique mounting provisions for a recreational vehicle roof. A generally cylindrical collar extends upward from the vehicle roof and attaches to a load distributing panel under the collar and over the area of... | 03/07/1989 |
| 4788550 | Front hood ornament antenna A mobile radio antenna is provided such that its antenna function may be concealed. This may be accomplished in one preferred arrangement by coupling or blending the mobile radio unit with an oranmental device at the traditional frontal hood-level locatio... | 11/29/1988 |
| 4743887 | Fault locating system and method A test system for microwave circuits such as employed in aircraft wherein a plurality of antennas are connected to a single processor whereby the continuity of the antennas and connectors between the antennas and the processor can be determined. A test si... | 05/10/1988 |
| 4725843 | Attitude control system for antenna on mobile body The location of a vehicle itself is detected on the vehicle in combination with an attitude control of an antenna mounted on the vehicle so that the antenna is directed toward a geostationary satellite. The antenna is driven for rotation about both a hori... | 02/16/1988 |
| 4721963 | Vehicle roof mounted slot antenna with separate AM and FM feeds Slot antenna apparatus for a motor vehicle roof having a central portion made of electrically non-conducting material comprises a horizontal sheet of electrically conducting material attached to the roof with a looped slot adjacent the central portion of ... | 01/26/1988 |
| 4717922 | Automobile antenna system The present invention provides an autombile antenna system for detecting surface currents induced on the vehicle body by radio waves. The antenna system includes an electrostatic shielding case mounted on the vehicle body and having an opening formed ther... | 01/05/1988 |
| 4665406 | Mechanism for extending and contracting antenna An antenna system is provided with a plurality of telescoped antenna sections which are extended and contracted by an operating wire connected to the uppermost antenna section. The wire is made of a relatively rigid material and has a width of 1.5~2.2 tim... | 05/12/1987 |
| 4663632 | Extendable directional dipole antenna The invention pertains to an extendable directionally adjusted dipole antenna particularly suitable for use with recreational vehicles. The antenna includes a vertical column having an extendable dipole arrangement at its upper end utilizing flexible actu... | 05/05/1987 |
| 4663633 | Vehicle mounted satellite antenna system A satellite antenna particularly adapted for use on a recreational vehicle such as a house trailer or mobile home, having a roof surface, the antenna including a base plate mounted on the vehicle roof surface, a support plate rotatably secured to the base... | 05/05/1987 |
| 4531232 | Radio receiver apparatus for vehicle A vehicle radio receiver apparatus constitutes an antenna device including an antenna element and also a radio receiver integral with the antenna device so as to receive a signal from the antenna element. The radio receiver includes a tuner circuit direct... | 07/23/1985 |
| 4293859 | Traffic radar unit A one-piece traffic radar unit has a housing containing both the transceiver and signal processing circuitry and the directional antenna of the radar system. A bracket plate extends from the top portion of the housing and overlies the dashboard of the pat... | 10/06/1981 |
| 3979753 | Portable balloon antenna support structure A portable antenna support structure which can be carried by a vehicle and includes an inflatable balloon and telescopic extension poles that are pivoted to the sides of the vehicle at the front and back and may be extended radially when the vehicle is at... | 09/07/1976 |
