Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 8144071 | Antenna device and portable radio communication device comprising such an antenna device A quad-band antenna device (10) for a portable radio communication device comprises two radiating elements (12, 14) of different lengths and two common conductors (18, 20) of different lengths. One of the common conductors can be selectively con... | 03/27/2012 |
| 8144072 | Multi-band antenna for notebook computer A multi-band antenna includes an insulative carrier board arranged on the top side of the display screen of a notebook computer, a main antenna which has the top metal strip thereof disposed at the top edge of the insulative carrier board and the grounding metal str... | 03/27/2012 |
| 8120545 | Multifunctional antenna chip A multifunctional antenna chip is able to mate with many kinds of matched circuits and is able to adjust the character of an antenna structure of the multifunctional antenna chip, in order that the antenna structure has one or multiple standard working frequencies. ... | 02/21/2012 |
| 8106848 | Programmable antenna with programmable impedance matching and methods for use therewith A programmable antenna includes a fixed antenna element and a programmable antenna element that is tunable in response to at least one antenna control signal, wherein tuning the programmable antenna element changes an impedance of the antenna. A programmable impedan... | 01/31/2012 |
| 8106847 | Communication circuit, communication apparatus, impedance matching circuit and impedance matching circuit designing method A communication circuit is provided with an antenna section, such as a nonresonant antenna, and a matching section which connects with the antenna section and adjusts impedance, for example. The matching section has a transmission line, and the electric length and c... | 01/31/2012 |
| 8081136 | Dual-band antenna The dual-band antenna is provided. The dual-band antenna includes an impedance matching control element, a first connection part, a first radiation element, a second radiation element, and a ground element. The first radiation element operates in a first frequency b... | 12/20/2011 |
| 8040289 | Low-profile wide-bandwidth radio frequency antenna The present invention relates to an RF antenna structure that includes a planar structure and a loading plate, such that the planar structure is mounted between a ground plane and the loading plate to form an RF antenna. The loading plate may be about parallel to th... | 10/18/2011 |
| 8022888 | Antenna device An antenna device includes a first radiator receiving a first feed signal, a second radiator spaced apart from the first radiator at a predetermined distance and capacitively coupled with the first radiator, a feed line connected to a feed terminal of the first radi... | 09/20/2011 |
| 7982683 | Antenna design for FM radio receivers An apparatus includes first and second speakers, and an antenna including a first pair of wires connected to the first speaker, a second pair of wires connected to the second speaker, and a conductive sleeve surrounding portions of the first and second pairs of wire... | 07/19/2011 |
| 7948445 | Wideband antenna and clothing and articles using the same Provided are a first planar radiating element and second planar radiating element that have at least one side. At least the first or second radiating element has a strip-shaped element. A first side of the first radiating element and a second side of the second radi... | 05/24/2011 |
| 7893888 | Programmable antenna with programmable impedance matching and methods for use therewith A programmable antenna includes a fixed antenna element and a programmable antenna element that is tunable to one of a plurality of resonant frequencies in response to at least one antenna control signal. A programmable impedance matching network is tunable in respo... | 02/22/2011 |
| 7859478 | Dipole antenna with improved performance in the low frequency range A dipole antenna is provided herein with improved performance at a lower end of the antenna's operating frequency range. According to one embodiment, the dipole antenna may include a plurality of antenna elements coupled to impedance transformer via a pair of cones ... | 12/28/2010 |
| 7847751 | Planar broadband antenna A planar broadband antenna includes a flat elliptical antenna device. The elliptical antenna device includes a central antenna element, a first angular antenna element and a second angular antenna element. The central antenna element is disposed parallel to a suppor... | 12/07/2010 |
| 7812781 | Matching device and antenna matching circuit A battery portion (BAT) or another type of voltage shift portion is provided for shifting a control voltage (V2) in a direction which causes the anode potential of a variable-capacitance diode (VD) to be a negative potential and superimposes its battery volta... | 10/12/2010 |
| 7808444 | Two-way antenna connector A system includes a first matching network having a first impedance and a second matching network having a second impedance, where the second impedance is different than the first impedance. The system further includes a switching connector having first and second s... | 10/05/2010 |
| 7786949 | Antenna An antenna includes inductance elements that are magnetically coupled together, an LC series resonant circuit that includes one of the inductance elements and capacitance elements, and an LC series resonant circuit that includes another of the inductance elements an... | 08/31/2010 |
| 7746290 | Adaptive antenna matching The present invention relates to a portable communication device and a method of controlling the matching of an antenna in a portable communication device. The device may include an antenna; a radio circuit to send a radio frequency signal to the antenna via a signa... | 06/29/2010 |
| 7714795 | Multi-band antenna apparatus disposed on a three-dimensional substrate, and associated methodology, for a radio device Antenna apparatus, and an associated methodology, for a multi-frequency-band-capable radio device, such as a quad-band mobile station. The antenna apparatus is formed from a three-dimensional rectilinear non-conductive dielectric antenna substrate, such as cube. An ... | 05/11/2010 |
| 7696947 | Radio frequency identification transponder antenna A RFID transponder having a microchip or integrated circuit, an impedance-matching structure and a resonant structure mounted on at least one substrate and connected to each other by an electric field. ... | 04/13/2010 |
| 7659864 | Broadband antenna A broadband antenna has a substrate, a coupling conductor, a conductor string, a ground conductor and a ground plane. The coupling conductor has a first coupling member and a second coupling member being separated from each other. The conductor string and the ground... | 02/09/2010 |
| 7652636 | RFID devices having self-compensating antennas and conductive shields A radio frequency identification (RFID) tag includes an antenna configuration coupled to an RFID chip, such as in an RFID strap. The antenna configuration is mounted on one face (major surface) of a dielectric material, and includes compensation elements to compensa... | 01/26/2010 |
| 7639199 | Programmable antenna with programmable impedance matching and methods for use therewith A programmable antenna includes a fixed antenna element and a programmable antenna element that is tunable to one of a plurality of resonant frequencies in response to at least one antenna control signal. A programmable impedance matching network is tunable in respo... | 12/29/2009 |
| 7639200 | Antenna An antenna includes a ground plane, a match portion, and a radiation portion. The ground plane is used for grounding. The match portion is parallel to the ground plane, and is connected to the ground plane. The radiation portion is connected to one end of the match ... | 12/29/2009 |
| 7629942 | Antenna An antenna includes inductance elements that are magnetically coupled together, an LC series resonant circuit that includes one of the inductance elements capacitance elements, and an LC series resonant circuit that includes another of the inductance elements and ca... | 12/08/2009 |
| 7612733 | Transition region for use with an antenna-integrated electron tunneling device and method An electron tunneling device includes a first non-insulating strip and a second non-insulating strip spaced apart from one another such that first and second end portions, respectively, of the first and second non-insulating strips cooperate to form an antenna havin... | 11/03/2009 |
| 7583237 | Antenna module having a multilayered substrate with built-in components which are connected to mounted components A multilayered substrate includes a first layer and at least one second layer laminated on one face of the first layer. A first component is mounted on the other face of the first layer. A second component is comprised of a pattern formed on at least one second laye... | 09/01/2009 |
| 7439934 | Antenna and an antenna feed structure A dielectrically-loaded helical antenna has a cylindrical ceramic core bearing metallised helical antenna elements which are coupled to a coaxial feeder structure passing axially through the core. Secured to the end face of the core is an impedance matching section ... | 10/21/2008 |
| 7409245 | Variable antenna matching network for an implantable antenna An implantable medical device may have an antenna for communication with external devices or other internal devices. Changes in the patient's body position, weight, composition or other factors may change the antenna efficiency and hinder communication. The disclose... | 08/05/2008 |
| 7382324 | Recording/playback apparatus with electric wave transmission A recording/playback apparatus accommodates a recording medium in a cassette shell and performs recording and/or playback with respect to the recording medium cassette provided with a cassette-side antenna connected to an in-cassette memory. The playback apparatus i... | 06/03/2008 |
| 7379714 | Method and apparatus for dynamically adjusting a transmitter's impedance A method and apparatus for dynamically adjusting the impedance between a transmitter's power amplifier (PA) and antenna to efficiently transfer power from the PA to the antenna. The impedance between the PA and the antenna is adjusted based on power level measuremen... | 05/27/2008 |
| 7372412 | Transceiver-integrated antenna The transceiver-integrated antenna includes an antenna element, a ground plate for grounding the antenna element, and a transceiver configured to transmit and receive radio signals through the antenna element. The transceiver is housed in a recess formed in the grou... | 05/13/2008 |
| 7372402 | Method for enhancing the measuring accuracy in an antenna array The invention refers to a method and a system for enhancing the measuring accuracy in an antenna array (1), where the method comprises the steps of; a) receiving analog signals on all antenna elements (2) at a first time t1; producing first ... | 05/13/2008 |
| 7369096 | Impedance matched passive radio frequency transmit/receive switch A Radio Frequency (RF) structure services an antenna having a characteristic impedance and includes a differential Power Amplifier (PA), a differential Low Noise Amplifier (LNA), and a balun transformer. The differential PA has a differential PA output with a PA dif... | 05/06/2008 |
| 7365701 | System and method for generating a genetically engineered configuration for at least one antenna and/or frequency selective surface An optimal configuration for at least one antenna and/or at least one frequency selective surface is generated. A configuration of elements is generated by selecting a simple configuration of at least one element and applying a genetic algorithm to the simple config... | 04/29/2008 |
| 7366304 | Cruable U-NII wireless radio with secure, integral antenna connection via SM BIOS in U-NII wireless ready device A method that utilizes software and hardware mechanisms to meet the FCC requirement for a U-NII antenna to be an integral part of the device in which it operates, while providing wireless ready U-NII devices and CRUable U-NII radios. Enhancements are made to the sof... | 04/29/2008 |
| 7362174 | Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection. Impedance matching and bandwidth extension provides desired gain at higher frequencies and may be achieved at the interface between silicon and package... | 04/22/2008 |
| 7358923 | Enhanced magnetic field communication system Devices and methods are provided to enhance magnetic field communication. One aspect of the present subject matter relates to a method for transmitting and receiving signals using an antenna element electrically connected to a driver and an amplifier. According to v... | 04/15/2008 |
| 7348875 | Semi-passive radio frequency identification (RFID) tag with active beacon A radio frequency beacon device for use with a backscatter interrogator includes a processor; a receiver coupled to the processor; a backscatter modulator coupled to the processor; and an active transmitter coupled to the processor, the active transmitter being conf... | 03/25/2008 |
| 7348931 | Unbalanced power feeding antenna device for making radio communications An antenna device which is connected to a radio module performing radio communications with a system using a first band and a system using a second band, has an antenna element which transmits/receives radio signals in the first and second bands. The antenna device ... | 03/25/2008 |
| 7342545 | Antenna system configuration for mobile phones An antenna configuration for a flip type mobile phone is disclosed. The antenna configuration is designed to reduce, to a hearing aid compatibility (HAC) M3 rating or better, any scattered EM field effects that can cause interference to an active hearing aid.... | 03/11/2008 |
