Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7564407 | Directivity control apparatus of array antenna and directivity controlling method An array antenna directivity control apparatus for use in tracking a target updates a weighting coefficient based on an error between antenna signals of multiple antennas and a known reference signal, and corrects an amount of updating for each of the weighting coef... | 07/21/2009 |
| 7333056 | Adaptive antenna radio communication device An adaptive antenna radio communication device comprises a divided band direction estimating unit (4) for estimating the direction by calculating the cross correlations between a pilot signal and sub-carrier signals of the respective divided bands received by... | 02/19/2008 |
| 7212120 | Work site tracking system and method A system for tracking entities at a work site includes an antenna having a scanned boresight. A controller may be configured to determine a relative angle between a reference associated with the antenna and a source of radiation based on a relationship between bores... | 05/01/2007 |
| 7132988 | Directional patch antenna An antenna unit is disclosed. The antenna unit includes a wire antenna element and a patch antenna element. The wire antenna element creates a null at low-elevation angles to provide directional antenna patterns in azimuth planes. Nulls of the terrestrial signal pat... | 11/07/2006 |
| 7110719 | Indoor mobile communication device It is an object of the present invention to provide an indoor mobile communication device having a simple structure, providing a sufficient communication range, and also providing for stable communication with a small fading effect. In order to attain this object, t... | 09/19/2006 |
| 7075485 | Low cost multi-beam, multi-band and multi-diversity antenna systems and methods for wireless communications Systems and methods for employing switched phase shifters and a feed network to provide a low cost multiple beam antenna system for wireless communications. The present systems and methods may also facilitate multi-band communications and employ multi-diversity. The... | 07/11/2006 |
| 7064713 | Multiple element patch antenna and electrical feed network A feed network for coupling elements of a multi-element patch antenna to transmit or receive circuitry may include segments having dimensions that maximize the impedance of the feed network. Increasing the feed network impedance can simplify matching of the feed net... | 06/20/2006 |
| 7054664 | Method and apparatus for providing user specific downlink beamforming in a fixed beam network The disclosed embodiments relate to a system and method for providing user specific beams in a fixed beam network, the fixed beam network comprising a plurality of fixed beams, each of the plurality of fixed beams being defined by a plurality of fixed beam correlati... | 05/30/2006 |
| 7039148 | Phase detector and signal locking system controller A phase detector and signal locking system controller for use in a digital phase-locked loop (PLL) application includes a first and a second phase detector where the first phase detector result is used to control the initial pull-in and the second phase detector is ... | 05/02/2006 |
| 6999796 | Base station, base station module and method for estimating parameters of uplink signals The invention relates to a base station for a radio communications network. In order to enable a simple enhancement of the estimation of parameters of uplink signals, it is proposed that the base station comprises a phasing network (11) for forming beams for ... | 02/14/2006 |
| 6977614 | Microstrip transition and network Disclosed are systems, methods, and an apparatus that includes a microstrip network disposed on a ground plane and including at least one collection point, where the collection point(s) is in electrical communication with the microstrip network, a probe associated w... | 12/20/2005 |
| 6967619 | Low noise block Disclosed are methods, systems, and a device that includes an output for providing at least a first signal at a first frequency and a distinct second signal at a distinct second frequency, a first signal channel connected between a first waveguide port and the outpu... | 11/22/2005 |
| 6952183 | Circularly-polarized-wave patch antenna which can be used in a wide frequency band A circularly-polarized-wave patch antenna includes a main body having a patch electrode provided with two feeding points and a circuit for generating a phase difference of 90° between signals supplied to the feeding points. A Wilkinson distribution circuit is provi... | 10/04/2005 |
| 6859172 | System and method for locating a mobile phone A system includes antenna control stations and a system interface. Each antenna control stations directs an orientation of an associated antenna to search for an identification signal associated with a mobile phone. The antenna control station communicates a detecti... | 02/22/2005 |
| 6853916 | Method and apparatus for forming a pseudo-range model A method and apparatus for locating mobile device over a broad coverage area using a wireless communications link that may have large and unknown latency. The apparatus comprises at least one mobile device, a reference network, a position server, a wireless carrier,... | 02/08/2005 |
| 6832155 | Methods and apparatus for determining phase ambiguities in ranging and navigation systems An improved technique for determining the integer value of phase ambiguities (integer ambiguities) of pseudorange measurements based on the carrier phase of received navigation signals provides more accurate ranging and position determination in navigation and rangi... | 12/14/2004 |
| 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 |
| 6704557 | System and method for protecting a receiver from jamming interference An interference protection system includes a receiving section for receiving an electromagnetic signal, a detector for detecting a jamming signal, and a control system for orienting a changeable null direction of an antenna system to reduce interference i... | 03/09/2004 |
| 6697012 | Altitude estimation system and method A system and method for detecting and tracking a target object, including the calculation of the target object's altitude, is disclosed. During the processing of signals received by a receiver, the system selectively calculates the altitude of the target ... | 02/24/2004 |
| 6677884 | Satellite configuration for interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR) For interferometric and/or tomographic remote sensing by means of synthetic aperture radar (SAR) one to N receiver satellites and/or transmitter satellites and/or transceiver satellites with a horizontal across-track shift the same or differing in amplitu... | 01/13/2004 |
| 6552684 | Direction of arrival estimation method and radio reception apparatus Spatial profile creation section 102 creates an intensity distribution, that is, a spatial profile or spatial information of reception signals with respect to the directions of arrival of signals using reception signals prior to despreading received via a... | 04/22/2003 |
| 6437740 | Single receiver wireless tracking system A wireless tracking system consists of a wireless target including a wireless communication system for transmitting a data packet over a communication path, and a locating station for determining a position of the target. The data packet transmitted from ... | 08/20/2002 |
| 6417781 | Short range wireless communication using on-board apparatus A fixed station and an on-board apparatus are constructed to carry out a short range communication. The on-board apparatus specifies an application from a command included in reception data received from the fixed station and starts a corresponding proces... | 07/09/2002 |
| 6311129 | Positioning process and system thereof A positioning method and a system are disclosed for measuring a position of a vehicle on land, air, and space, using measurements from a global positioning system receiver and an inertial measurement unit. In the present invention, an integrated Kalman fi... | 10/30/2001 |
| 6281839 | Method and system for communicating electromagnetic signals A method for two way communication between a first station and a second station each said station comprising receiving means and transmitting means for receiving and transmitting electromagnetic communication signals, whereby one or more signals are trans... | 08/28/2001 |
| 6246365 | Radar apparatus A radar apparatus comprising: a receiving antenna having an array antenna in which a plurality of antenna elements are arrayed in a horizontal direction; and a signal processing section for carrying out recognition of a target existing in a predetermined ... | 06/12/2001 |
| 6208296 | Method and apparatus for training a receiver on a source A method and apparatus for training a receiver on a source are provided. The receiver is an antenna and the source is a broadcast satellite. A first signal sensor receives at least one signal from the source. The first signal sensor may be a first low noi... | 03/27/2001 |
| 6198436 | Integrated interferometer and instantaneous frequency measurement device and method An integrated receiver includes an Instantaneous Frequency Measurement (IFM) device, an interferometer and switches. The IFM receives signals from a target and determines the frequency of the signals. The IFM includes the shared N-channel phase receiver. ... | 03/06/2001 |
| 6184830 | Compensation of direction finding estimates for polarimetric errors An algorithmic technique which allows antenna arrays that are used for interferometric direction finding to have elements with arbitrary orientation. This technique allows the phase errors associated with non-identical element orientation to be estimated,... | 02/06/2001 |
| 5710566 | Method for implementing a wireless data exchange between a fixed station and moving objects particularly vehicles A method for implementing a wireless data exchange between a fixed station and sending/receiving devices on board objects moving relative to the fixed station, preferably in lanes, and particularly vehicles. Using an antenna arrangement of the fixed stati... | 01/20/1998 |
| 5166693 | Mobile antenna system In mobile communications, it is required that the beam direction is maintained to track the desired direction as the mobile is moving. For such a purpose, the mobile includes an angular rate sensor mounted therein which detects the state of turn in the mo... | 11/24/1992 |
| 5065162 | Communication system for helicopter The present invention pertains to a radiowave relay station in which image information or the like is transmitted by a helicopter from a first station to a second station. A direction finding device is provided which detects the direction of a transmittin... | 11/12/1991 |
| 4970520 | Process for resighting telecommunication antennas and apparatus for carrying it out A process for realigning telecommunication antennas with satellites wherein the radio-electric axis of reception of the antenna which receives a signal from the satellite is periodically modulated after which the received signal is multiplied by a sinusoi... | 11/13/1990 |
| 4823134 | Shipboard antenna pointing and alignment system A mechanism for correcting for time-varying errors that affect the pointing accuracy of a shipboard mounted antenna employs a Kalman filter for realizing an optimal correction estimator through which inputs to the antenna aiming control hardware are adjus... | 04/18/1989 |
| 4737794 | Method and apparatus for determining remote object orientation and position A method and apparatus is provided for determining remote object orientation and position with an electromagnetic coupling. A plurality of radiating antennas are provided for radiating electromagnetic energy. Each of the radiating antennas have independen... | 04/12/1988 |
| 4663631 | Apparatus for maintaining the orientation of an antenna system with respect to a beacon In an apparatus for maintaining the orientation of an antenna system with respect to a beacon, radio signals are received in four quadrants and converted into sum and difference signals, which are transformed in frequency, amplified in an amplifier (6) an... | 05/05/1987 |
| 4590476 | Tracking servo compensator with rate aiding A tracking servo compensator is disclosed for radar systems which steer their antenna beams using a servomechanism that physically moves the antenna. The disclosed tracking servo compensator permits switching between trackers (e.g. from area to point trac... | 05/20/1986 |
| 4334226 | Antenna system for satellite communication In an antenna support device including a horizontal stabilized platform supported by two orthogonal corrective shafts and provided with a flywheel driven by a motor whose spin vector is directed at right angles to the plane of the platform, one of the cor... | 06/08/1982 |
| 4156241 | Satellite tracking antenna apparatus Satellite tracking apparatus for use on board ship as part of a maritime communications satellite terminal is disclosed. A directional antenna which is adapted to be trained in the direction of the satellite so as to be in communication therewith is mount... | 05/22/1979 |
| 4118705 | Adaptive interface for rotational positioning device utilizing linear actuators An adaptive interface circuit for use in coupling movement commands to a device utilizing linear actuators to control the rotational position of a rotatable member. Since the rotational position of the rotational member is not a linear function of the ext... | 10/03/1978 |
