"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 6870505 | Multi-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 |
| 6867736 | Multi-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 |
| 6864854 | Multi-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 |
| 6864845 | Multi-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 |
| 6862002 | Antenna 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 |
| 6861990 | Antenna 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 |
| 6861988 | Patch 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 |
| 6861985 | Ferroelectric 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 |
| 6859178 | Reduced 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 |
| 6859174 | Antenna 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 |
| 6856290 | Reduced 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 |
| 6856286 | Dual 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 |
| 6856285 | Multi-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 |
| 6850191 | Dual 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 |
| 6850197 | Printed 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 |
| 6850196 | Integrated 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 |
| 6850195 | Antenna 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 |
| 6850192 | Planar 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 |
| 6842145 | Reduced 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 |
| 6836254 | Antenna 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 |
| 6836252 | Dual-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 |
| 6836248 | Antenna 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 |
| 6836247 | Antenna 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 |
| 6828948 | Broadband 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 |
| 6825811 | Display-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 |
| 6822613 | High 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 |
| 6809689 | Multi-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 |
| 6809688 | Radio 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 |
| 6809687 | Monopole 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 |
| 6809686 | Multi-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 |
| 6801168 | Planar 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 |
| 6801169 | Multi-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 |
| 6791496 | High 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 |
| 6788255 | Antenna 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 |
| 6774852 | Folding 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 |
| 6774850 | Broadband 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 |
| 6768462 | Diversity 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 |
| 6765537 | Dual 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 |
| 6759987 | Device 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 |
| 6753817 | Multi-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 |