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Class 343/846 - With grounding structure (including counterpoises)


Subclass of Class 343 - Communications: radio wave antennas
Definition: Subject matter wherein the active antenna is combined with
No. of patents: 943
Last issue date: 04/10/2012


          11            
NumberTitleIssue Date
6870505Multi-segmented planar antenna with built-in ground plane
A multi-segmented planar antenna with a built in ground plane and method of forming the antenna are described. The antenna elements are formed on a layer of first dielectric having conducting material on both the first and second sides of the layer of first dielectr...
03/22/2005
6867736Multi-band antennas
Multi-band antenna systems (116, 1100,1200) for wireless communication devices (100) for use in wireless communications systems (1300) are disclosed. The multi-band antennas systems include a conductive film (204, 1104, 1204) that include...
03/15/2005
6864854Multi-band antenna
A multi-band antenna includes a first pole (2) and a second pole (3) connecting with the first pole. The first and second poles are both made of metal sheets. The first pole is rectangular in shape. The second pole includes a first section (31),...
03/08/2005
6864845Multi-band antenna
A multi-band antenna (1) includes a grounding portion (10), a first radiating arm (21), a second radiating arm (22), a connection portion (23) and a feed line (40) being soldered to the connection portion. The connection por...
03/08/2005
6862002Antenna ground plane and wireless communication device with antenna ground plane and acoustic resistor
In a wireless communication device 100, a preferably mesh, metal ground plane 314 serves both as an antenna ground plane or as an acoustic resistor for conditioning sound that passes through a sound port 120, 122. The metal ground plane 314
03/01/2005
6861990Antenna with metal ground
A antenna (1) includes a radiating portion (3), a ground portion (2) and a feed cable (6). The radiating portion includes a printed circuit board (PCB) (31), a radiating element (32) and a mounting portion (33). The r...
03/01/2005
6861988Patch antenna for operating in at least two frequency ranges
An improved patch antenna for operation in at least two frequency bands is distinguished by the following features: having a reflector (1), at least two patch antenna element arrangements (5, 7) are p...
03/01/2005
6861985Ferroelectric antenna and method for tuning same
A family of FE dielectric-tuned antennas and a method for frequency tuning a wireless communications antenna are provided. The method comprises: forming a radiator; forming a dielectric with ferroelectric material proximate to the radiator; applying a voltage to the...
03/01/2005
6859178Reduced size TM cylindrical shaped microstrip antenna array
A TM cylindrical shaped microstrip antenna array which transmits telemetry data and which is adapted for use on weapons systems such as a missile or smart bomb. The microstrip antenna operates at a TM frequency band of 2210 MHz+/−2.5 MHz. The microstrip antenna is...
02/22/2005
6859174Antenna device and communications system
Conventional antennas devices provide in sufficient performance in terms of directivity, efficiency, or the like. An antenna device includes a radiating element 11 which is provided with a feed terminal 16 to draw power and has a spiral shape; a passiv...
02/22/2005
6856290Reduced size TM cylindrical shaped microstrip antenna array having a GPS band stop filter
A TM cylindrical shaped microstrip antenna array which transmits telemetry data and which is adapted for use on weapons systems such as a missile or smart bomb. The microstrip antenna operates at a TM frequency band of 2200-2300, resulting in a band width for the an...
02/15/2005
6856286Dual band spiral-shaped antenna
A planar antenna comprising a spiral conductive surface comprising an inner spiral segment and an outer spiral segment. A shorting leg for connection to a ground plane and a feed leg responsive to the antenna signal (in the transmit and the receive modes) extend dow...
02/15/2005
6856285Multi-band PIF antenna with meander structure
A mono-band or multi-band planar inverted F antenna (PIFA) structure comprises a planar radiating element having a first area, and a ground plane having a second area that is substantially parallel to the radiating element first area. The second area further compris...
02/15/2005
6850191Dual frequency band communication antenna
An antenna assembly has a pair of disk-shaped antennae each tuned to a different frequency band thereby enabling the same antenna to be used to different types of communication equipment, such as cellular and PCS telephones. The first antenna has a first substrate w...
02/01/2005
6850197Printed circuit board antenna structure
A printed circuit board antenna structure for the transmission of radio frequency energy. The printed circuit board antenna of the present invention includes a circuit board subassembly having a component mounting section and an antenna section. The second planar su...
02/01/2005
6850196Integrated inverted F antenna and shield can
An inverted F antenna with integrated shield is constructed from an electrically conducting sheet that is folded into a shape that provides both a shield can covers an RF module of circuit and an inverted F antenna such that shield can functions also as a ground pla...
02/01/2005
6850195Antenna structure and communication apparatus including the same
An antenna includes a radiation electrode, with one end thereof being connected to a conductive portion located on a front or back surface of a board. The radiation electrode extends outward from the conductive portion starting from the connected end, is bent around...
02/01/2005
6850192Planar L-shaped antenna of dual frequency
A planar L-shaped antenna. The antenna is operable at two different frequency ranges and includes a patch line printed on top of a dielectric substrate and has one end formed as a signal feed point. A ground metal plate is printed on a bottom of the dielectric subst...
02/01/2005
6842145Reduced size GPS microstrip antenna
A reduced size microstrip antenna which receives GPS data and which is adapted for use on small diameter weapons systems such as a missile or smart bomb. The microstrip antenna has a center frequency of 1.575 GHz, a frequency bandwidth of twenty megahertz and provid...
01/11/2005
6836254Antenna system
Provided is an antenna system for operating in clear line of sight and obscured line of sight conditions. The antenna system includes multiple antenna elements arranged to provide both space and angle diversity characteristics. The elements are spaced apart so as to...
12/28/2004
6836252Dual-frequency inverted-F antenna
A dual-frequency inverted-F antenna (PIFA) (1) for an electronic device has a ground plane (13), a first radiating patch (11) parallel to the ground plane, a second radiating patch (12) parallel to the first radiating patch, and a first a...
12/28/2004
6836248Antenna device
A small antenna device having a wide frequency band suitable for being built in mobile communications apparatuses. This antenna device includes a planar radiating element (radiating plate) and a grounding plate provided in parallel to and facing the radiating plate....
12/28/2004
6836247Antenna structures for reducing the effects of multipath radio signals
Compact antenna systems for reducing the reception of multipath signals are disclosed. An exemplary antenna system comprises a ground plane, a receiving antenna disposed above the ground plane and providing an output signal of the antenna system, and a passive anten...
12/28/2004
6828948Broadband starfish antenna and array thereof
A broadband mesh antenna and a phased array broadband mesh antenna are provided. The antenna of the present invention is a mesh antenna system that may be implemented with printed circuit board technology and wired technology that operates with increased bandwidth. ...
12/07/2004
6825811Display-antenna integral structure and communication apparatus
A display-antenna integral structure has an antenna and a display wherein said antenna has an antenna element and a grounding plate, said antenna element and said display are opposed to each other, and ...
11/30/2004
6822613High frequency wave glass antenna for an automobile
A power feeding point and a grounded point are located in the vicinity of a peripheral portion of a glass sheet for a window; the primary antenna conductor extends in a counterclockwise direction, beginning at the power feeding point, so that the glass sheet has a s...
11/23/2004
6809689Multi-frequency antenna for a portable electronic apparatus
A multi-frequency antenna for a portable electronic apparatus includes a dielectric substrate mounted in a housing of the apparatus. A radiating element is disposed on a first surface of the substrate. A micro-strip conductor is disposed on an opposite second surfac...
10/26/2004
6809688Radio communication device with integrated antenna, transmitter, and receiver
A dielectric multilayer substrate 220 is formed by laminating first through third dielectric layers 201 through 203. A plurality of conductor patches 204a through 204d are arranged on the upper surface of the first di...
10/26/2004
6809687Monopole antenna that can easily be reduced in height dimension
There are provided a dielectric substrate that erects from a ground surface, and a radiation conductor that is provided on a surface of the dielectric substrate so as to extend in the vertical direction. The bottom end of the radiation conductor is connected to a fe...
10/26/2004
6809686Multi-band antenna
A multi-band antenna with a radiator element located between a ring element with a feed leg and at least one ground leg, and a ground plane. The radiator element may be arranged in a substantially parallel orientation with and electrically isolated from the ring ele...
10/26/2004
6801168Planar double L-shaped antenna of dual frequency
The present invention is to provide a planar double L-shaped antenna operable at two different frequency ranges comprising a patch line printed on a top of a dielectric substrate and having one end formed as a signal feed point; a ground metal plate printed on a bot...
10/05/2004
6801169Multi-band printed monopole antenna
A multi-band printed monopole antenna (1) includes a substrate (2), a ground portion (4) disposed on the substrate, a radiating portion disposed beside the ground portion and feeder cable (5). The radiating portion comprises a first and s...
10/05/2004
6791496High efficiency slot fed microstrip antenna having an improved stub
A slot fed microstrip antenna (100) having an improved stub (118) provides enhanced efficiency through more efficient coupling of electromagnetic energy between the feed line (117) and the slot (106). A dielectric layer (105) dispo...
09/14/2004
6788255Antenna unit having radio absorbing device
An antenna unit includes a substrate having an antenna device and a radio absorbing device. The antenna device, substrate and radio absorbing device are constructed of a patch device, a conductive material and ferrite, respectively. The radio absorbing device is att...
09/07/2004
6774852Folding directional antenna
An antenna array formed on a deformable dielectric material or substrate includes a center element and plurality of radial elements extending from a center hub. In the operative mode, the radial elements are folded upwardly into an approximately vertical position, w...
08/10/2004
6774850Broadband couple-fed planar antennas with coupled metal strips on the ground plane
A broadband couple-fed planar antenna including radiating strips on the ground plane. Plural radiating strips are electrically connected to a ground plane and are formed on the same plane of the ground plane. The radiating strip has a first segment extended from an ...
08/10/2004
6768462Diversity antenna and wireless communication apparatus employing it
A first and a second inverted-F antenna are arranged so that the center axes of a first and a second elongate conductor portion are substantially perpendicular to each other, that the center axes of a first and a second feeding conductor portion are substantially pa...
07/27/2004
6765537Dual uncoupled mode box antenna
A dual uncoupled mode box antenna which includes a conductive bottom horizontal ground plane, and a box structure superimposed on this ground plane. The box structure includes a vertical first conductive side insulated from the ground plane, and a vertical second co...
07/20/2004
6759987Device for the transmission and /or reception of radar beams
The device has a printed-circuit board (5), on one side of which at least one antenna (1) is located and, on the other side of which electrical circuits (3) are located. An electromagnetic shield between the antenna (1) and the electrical...
07/06/2004
6753817Multi-element planar array antenna
A multi-element planar array antenna has a ground conductor formed on a first principal surface of the substrate, a first and a second slot line formed in the ground conductor and intersecting each other, a first and a second microstrip line formed on a second princ...
06/22/2004
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