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7430146 |
Semiconductor device
The semiconductor device in which reading and writing of data can be accurately performed by preventing malfunction even when a selection of address delays. The semiconductor device has three...
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7405665 |
Semiconductor device, RFID tag and label-like object
An object of the present invention is to supply a semiconductor device capable of communicating data through radio communication, such as an RFID tag or a label-like object, with high productivity...
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7372427 |
Dielectrically-loaded antenna
In a dielectrically-loaded quadrifilar antenna for operation with circularly polarised signals, four coextensive composite helical elements are plated on the outer surface of a cylindrical...
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7368318 |
Semiconductor device and method for manufacturing the same, and electric appliance
The present invention provides a semiconductor device having a plurality of functions and a method for manufacturing the semiconductor device. The semiconductor device comprises a thin film...
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7365698 |
Dipole antenna
A method of manufacturing a dipole antenna comprises the steps of forming first and second radiating elements on the surface of a flexible substrate, the radiating elements including respective...
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7363148 |
Navigational device for installation in a vehicle and a method for doing same
A navigation assembly ( 5 l ) for mounting a navigational device ( 10 l ) in an open port ( 12 l ) of a vehicle resulting from removal of a non-navigational component is provided. The navigation...
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7313477 |
Vehicle dash-mounted navigation device
A GPS system ( 10 ) which may be mounted on a dashboard ( 12 ) of any vehicle ( 14 ) after the vehicle has been manufactured yet appears to be integral with the dashboard. The GPS system ( 10 )...
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7305243 |
Location based information system
A wireless device-based system provides location-based services by determining the location of the wireless device and arranges for the service and the payment therefor.
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EP1524722B1 |
A substrate for a helical antenna and a method of manufacturing the same
Abstract of EP1524722 A method of manufacturing a helical antenna having a substrate (406), the method comprising providing a series of holes (2230) in the substrate (406) and positioning the...
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7050818 |
Location based service request system
A wireless phone based system to accommodate users of wireless phones for providing information as to the location of certain services such as gasoline stations, movie theatres, drug stores, etc.,...
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6919859 |
Antenna
An antenna including a feed network; four or more helical radiating elements, and four or more impedance matching stubs each coupling a respective radiating element to ground in parallel with the...
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6914580 |
Dielectrically-loaded antenna
A dielectrically-loaded loop antenna with a cylindrical dielectric core, a feeder structure passing axially through the core, a sleeve balun encircling one end portion of the core and helical...
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EP1524722A1 |
A substrate for a helical antenna and a method of manufacturing the same
A method of manufacturing a helical antenna having a substrate (406), the method comprising providing a series of holes (2230) in the substrate (406) and positioning the substrate (406) to engage a...
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EP0965150B1 |
ELECTRONICS UNIT FOR WIRELESS TRANSFER OF SIGNALS
Abstract not available for EP0965150 Abstract of corresponding document: US6285322 An electronics unit for wireless transfer of signals, includes an antenna part, an electronics part, and a...
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6842148 |
Fabrication method and apparatus for antenna structures in wireless communications devices
There is disclosed a meanderline loaded antenna formed by applying a conductive ink or other conductive material to a flexible substrate. The substrate is then shaped by removing regions and...
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EP0970540B1 |
AN ANTENNA AND A FEED NETWORK FOR AN ANTENNA
Abstract not available for EP0970540 Abstract of corresponding document: WO9844590 An area-efficient network is configured such that a section of the feed network (1804, 1808) is disposed on a...
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6812906 |
Broadband quardifilar helix with high peak gain on the horizon
The invention concerns a quadrifilar helix antenna that has four orthogonal conductive elements helically wound around a common axis. Each of the conductive elements can have between 3 to 7 turns...
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6788272 |
Feed network
An antenna feed network including a 180° hybrid coupler having a feed port, a 0° port; and a 180° port having an approximately 180° phase difference with the 0° port. A first antenna port is...
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6784850 |
Antenna apparatus
Power is supplied to antenna elements of a helical antenna section, which are arranged at an angular distance of 90° therebetween, with a phase difference of 90°. When a reception wavelength is...
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6621458 |
Combination linearly polarized and quadrifilar antenna sharing a common ground plane
A combination linearly polarized antenna and quadrifilar helix antenna ( 30 ) comprises a flexible substrate ( 50 ), a quadrifilar antenna ( 33 ) with a feed network ( 34 ) etched on a first...
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EP1069647B1 |
Antenna having a helical antenna element extending along a cylindrical flexible substrate
Abstract of EP1069647 In an antenna having a helical antenna element (40) of a helical shape, the helical antenna element is mounted on a flexible substrate (1) rounded to form a cylindrical...
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EP0916167B1 |
DUAL-BAND COUPLED SEGMENT HELICAL ANTENNA
Abstract not available for EP0916167 Abstract of corresponding document: US5986620 A dual-band coupled-segment helical antenna provides operation in two frequency bands. The dual-band...
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6535179 |
Drooping helix antenna
A drooping quadrifilar helix antenna includes first, second, third, and fourth radiating elements ( 42, 44, 46 , and 48 respectively) of conductive material, each element extending in a first...
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EP0836754B1 |
COUPLED MULTI-SEGMENT HELICAL ANTENNA
Abstract not available for EP0836754 Abstract of corresponding document: WO9741695 A coupled multi-segment helical antenna is provided having a length that is shorter than otherwise obtainable for...
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6459916 |
Portable radio communication device
A small-sized flat antenna mounted on a portable radio communication device is available for a narrow bandwidth, and the resonance frequency of the flat antenna varies due to interference between...
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6400339 |
Antenna device comprising capacitively coupled radiating elements and a hand-held radio communication device for such antenna device
The object of the present invention is to achieve an antenna for both receiving and transmitting circularly polarized RF signals which is smaller and lighter than prior art antennas as well as to...
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6384799 |
Antenna having a helical antenna element extending along a cylindrical flexible substrate
In an antenna for use in a mobile communication apparatus and having a helical antenna element ( 40 ) of a helical shape, the helical antenna element is mounted on a flexible substrate ( 1 )...
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6384798 |
Quadrifilar antenna
A quadrifilar antenna for use in satellite communications comprises four conductive elements arranged to define two separate helical pairs, one slightly differing in electrical length than the...
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6356244 |
Antenna device
An antenna device comprises an antenna section and a filter section which are formed in an integrated manner in a dielectric substrate, wherein the antenna section and the filter section are...
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6339408 |
Antenna device comprising feeding means and a hand-held radio communication device for such antenna device
The object of the present invention is to achieve an easily mounted antenna device for receiving and/or transmitting circular polarized RF signals in at least one and preferably two frequency bands...
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6331838 |
Flexible vehicle antenna
An antenna adapted to be mounted to a motor vehicle for receiving digital audio signals from a satellite. The antenna includes a base configured to be secured to a vehicle, and an elongated mast...
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6278414 |
Bent-segment helical antenna
A bent-segment helical antenna utilizes one or more radiators wrapped in a helical fashion. The radiators are comprised of a plurality of segments. A first segment extends from a feed network at a...
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EP0947032B1 |
RETRACTABLE RADIOTELEPHONE ANTENNAS AND ASSOCIATED RADIOTELEPHONE COMMUNICATION METHODS
Abstract not available for EP0947032 Abstract of corresponding document: US5907306 A multi-piece retractable radiotelephone antenna and associated communication method is employed to provide...
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6229499 |
Folded helix antenna design
A folded helical antenna. Generally, the inventive antenna includes plural radiating elements of conductive material. In the preferred embodiment, the antenna is a quadrifilar helix antenna having...
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6184844 |
Dual-band helical antenna
A dual-band helical antenna provides operation in two frequency bands. The dual-band helical antenna includes two single-band antennas, each having a feed network, a ground plane opposite the feed...
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EP1069647A1 |
Antenna having a helical antenna element extending along a cylindrical flexible substrate
In an antenna having a helical antenna element (40) of a helical shape, the helical antenna element is mounted on a flexible substrate (1) rounded to form a cylindrical shape. The helical antenna...
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EP1026776A1 |
PORTABLE RECEPTION INDICATOR FOR SATELLITE RADIO-NAVIGATION SYSTEMS
The invention relates to the design of radio electronic devices and, more particularly, to antenna-and-feeder facilities to be used in portable (pocket) receiver-indicators of the GPS and GLONASS...
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6100806 |
Apparatus and method for continuous electronic monitoring and tracking of individuals
An apparatus and method of monitoring mobile objects or persons utilizes the Global Positioning System satellites and cellular telephone communications. The apparatus may include first and second...
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6097342 |
Antenna device having a matching means
An antenna device is disclosed, which is intended for a portable radio communication device, in particular a pocket size cellular telephone. The novel antenna device includes a housing (1) having...
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6072441 |
Method of producing a helical antenna and the helical antenna apparatus
A helical antenna capable of covering a plurality of frequency bands and using a common feeder system for antenna elements adjusted to the respective frequency bands. First and second antenna...
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6072396 |
Apparatus and method for continuous electronic monitoring and tracking of individuals
An apparatus and method of monitoring mobile objects or persons using the utilizes the Global Positioning System satellites and cellular telephone communications. The apparatus may include first...
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6054960 |
Retractable antenna for a mobile telephone
An antenna for a mobile telephone for applying to an ordinary gain antenna for GSM and a high gain antenna for ICO. The antenna comprises a strip of flexible insulating material having provided...
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6025816 |
Antenna system for dual mode satellite/cellular portable phone
An antenna operable in two disparate frequency bands is disclosed as including a first quadrifilar helix having four conductive elements arranged helically to define a cylinder of substantially...
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6018326 |
Antennas with integrated windings
Radiotelephone antennas include rigid antenna elements integral to the antenna substrate or housing. As such, the present invention configures the antenna without requiring a separate flex circuit...
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6011524 |
Integrated antenna system
Disclosed herein is a low profile quadrifilar helix antenna system having the non-fed ends of the helix conductor arms shorted to a first ground plane, the ground plane mounted below the helix. The...
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EP0965150A1 |
ELECTRONICS UNIT FOR WIRELESS TRANSFER OF SIGNALS
Abstract not available for EP0965150 Abstract of corresponding document: US6285322 An electronics unit for wireless transfer of signals, includes an antenna part, an electronics part, and a...
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6002359 |
Antenna system for satellite digital audio radio service (DARS) system
A digital audio radio service (DARS) antenna system is provided. The DARS antenna system includes a broadcast antenna mounted on a spacecraft. The broadcast antenna includes a slotted waveguide...
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5990847 |
Coupled multi-segment helical antenna
A coupled multi-segment helical antenna is provided having a length that is shorter than otherwise obtainable for a conventional half-wavelength antenna. The coupled multi-segment helical antenna...
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5986620 |
Dual-band coupled segment helical antenna
A dual-band coupled-segment helical antenna provides operation in two frequency bands. The dual-band coupled-segment helical antenna includes a radiator portion having two sets of one or more...
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5977932 |
Self-deploying helical structure
A helical antenna structure is deformable and capable of being stowed in a small volume. At deployment, the helical antenna structure uses the stored strain energy in its resilient helices to...
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