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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 5850341 | Method and apparatus for monitoring material removal using mobile machinery A method and apparatus for monitoring in real time the removal of material from a land site such as a mine by a mobile machine. A digitized three-dimensional model of the site is stored in a digital data storage and retrieval facility. The site model incl... | 12/15/1998 |
| 5831573 | Method and apparatus continously offsetting survey points by half angle calculations in real time in the field A method and apparatus for determining an offset path from an actual path using a mobile surveying device. In one embodiment, a sequence of continuous measured points is generated using a satellite positioning system included with the disclosed mobile sur... | 11/03/1998 |
| 5821900 | GPS survey instrument A GPS antenna (11) is removably attached to an electronic survey instrument or station (1). The GPS antenna (11) is positioned away from the mechanical center point (P1) of the station (1). The station (1) has an operation unit that calculates the positio... | 10/13/1998 |
| 5812932 | Mobile satellite user information request system and methods Disclosed are methods and apparatus for use in a satellite communications system (10) that enable a user to gain knowledge of a direction to one or more "best" satellites available to the user. This information enables the user to alter his or her positio... | 09/22/1998 |
| 5801967 | Method for determining the volume between previous and current site surfaces A method for calculating a volume between previous and current site surfaces is provided. The site surfaces are represented by a series of surface elevations. The method includes the steps of determining previous surface elevations; traversing the site wi... | 09/01/1998 |
| 5799082 | Secure authentication of images Apparatus for capturing and authenticating a visual image of a selected view, using a digital image forming means, such as a digital camera, together with a position determining system that provides position information, including location, angular orient... | 08/25/1998 |
| 5784028 | Method and apparatus for simplex delivery of signals to obstructed geographical areas A system (10) and method delivers simplex signals (26, 28) to a communication unit (24) located within an area (20) (e.g., a building) where an obstruction exists between the signal transmitter (12, 18) and the communication unit (24). The system (10) use... | 07/21/1998 |
| 5760909 | Integrated apparatus and method for EDM and GPS surveying An electronic distance measurement EDM apparatus (41) for attachment to a range pole (42), having a GPS antenna (12) having a circular exterior (46) with a reflective outer surface (54) for reflecting an EDM light beam (56) over an angular azimuth range o... | 06/02/1998 |
| 5734348 | Surveying system using GPS A survey system is provided having GPS receivers and using a global positioning system. A reference station main body is provided for surveying; and a plurality of GPS survey apparatuses are provided. They include at least a reference station and a measur... | 03/31/1998 |
| 5640139 | Wireless control of electronic door locking devices for trailers A system for preventing theft of cargo from a cargo area of a truck is disclosed. The system includes a lock for locking shut a door to the cargo area of the truck when the lock is engaged. The lock allows the door to the cargo area to be opened when the ... | 06/17/1997 |
| 5640452 | Location-sensitive decryption of an encrypted message A system for assuring the location integrity of a decryption chip used to receive and decrypt encrypted signals ES received from an encrypted signal source. The decryption chip operates in association with a licensed signal receiver and is licensed for us... | 06/17/1997 |
| 5635940 | Communication configurator and method for implementing same A method and apparatus for communication configuring in digital equipment based on the location of the equipment includes a mechanism determining the location of the digital equipment and a mechanism configuring a communication channel of the equipment ba... | 06/03/1997 |
| 5631658 | Method and apparatus for operating geography-altering machinery relative to a work site A method and apparatus for operating geography-altering machinery such as a track-type tractor, road grader, paver or the like relative to a work site to alter the geography of the site toward a desired condition. A first digital three-dimensional model o... | 05/20/1997 |
| 5627549 | Dual channel advertising referencing vehicle location A vehicle information device and collects information concerning specific geographic points of interest. The operator recalls for display such information, including a display showing direction and distance of travel to a designated geographic point of in... | 05/06/1997 |
| 5619211 | Position locating and communication system using multiple satellite constellations A communication and position locating system (2) suitable for air traffic control is described. Multiple satellites (40) are provided in two geosynchronous constellations. One constellation (e.g., 4 satellites) has a first closed ground track (14). The ot... | 04/08/1997 |
| 5610615 | Method and device for mobile station positioning by means of a satellite, and associated transmission method A positioning method for a mobile station in the radio coverage area of a satellite entails determining the instantaneous distance between the satellite and the mobile station. The instantaneous elevation angle $c; of the satellite is then calculated f... | 03/11/1997 |
| 5602741 | Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control A system embodiment of the present invention comprises a fixed and a roving pair of four-observable GPS receivers and a communication link between them for double differencing code and carrier measurements. Carrier phase integer ambiguities are resolved e... | 02/11/1997 |
| 5579536 | Method and apparatus for establishing communication links between non-stationary communication units A method and apparatus for establishing communication links between communication units that travel in different, determinable directions. The method includes the steps of calculating communication link boundary corridors, generating operational plans tha... | 11/26/1996 |
| 5548800 | Satellite telecommunication system with apparatus for protecting radio astronomy and method of using same A constellation of satellites distributed around the earth serves as a communication network that supports global communication of subscriber units. Subscriber units may potentially transmit from any location on earth. Some locations such as radio astrono... | 08/20/1996 |
| 5546093 | System and method for providing navigation signals to an earthmoving or construction machine A system and method for providing navigation signals between first and second earthmoving or construction machines is provided. The system determines the positions of the first and second machines. The system determines a desired location of the second ma... | 08/13/1996 |
| 5519620 | Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control A system embodiment of the present invention comprises a fixed and a roving pair of four-observable GPS receivers and a communication link between them for double differencing code and carrier measurements. Carrier phase integer ambiguities are resolved e... | 05/21/1996 |
| 5493494 | Method and apparatus for operating compacting machinery relative to a work site A method and apparatus for operating compacting machinery such as landfill, earth or asphalt compactors relative to a work site to compact the site material toward a desired degree of compaction. A first model representing the desired degree of compaction... | 02/20/1996 |
| 5491636 | Anchorless boat positioning employing global positioning system An anchorless boat positioning system dynamically and automatically maintains a boat at a selected anchoring location within water without the use of a conventional anchor by using a steerable thruster whose thrust and steering direction are determined on... | 02/13/1996 |
| 5485161 | Vehicle speed control based on GPS/MAP matching of posted speeds The GPS-map speed matching system for controlling the speed of the vehicle is described. The system includes a GPS navigation receiver, a database processing facility, a GPS computer, an engine computer, a video display, a speed sensor and a heading senso... | 01/16/1996 |
| 5469175 | System and method for measuring distance between two objects on a golf course A global position receiver receives navigation signal from navigation satellites, in space, from a fixed location on a golf course, the location defined in stable location data. Location data derived from the navigation signals defines the fixed location ... | 11/21/1995 |
| 5363110 | Positioning system utilizing artificial satellites and positioning method A positioning system and method utilizing a plurality of artificial satellites, in which times of positioning time signals transmitted from at least four artificial satellites to a positioning available area are always made coincident with a standard time... | 11/08/1994 |
| 5334987 | Agricultural aircraft control system using the global positioning system An aircraft control system for applying chemicals to an agricultural field in one of a plurality of flight patterns is provided. A global positioning system receiver receives radio frequency signals from satellites and the position of the aircraft is dete... | 08/02/1994 |
| 5006855 | Ranging and processing system for mobile surveillance and data link The satellite system includes at least two satellites having on-board processing capability so that data messages may be exchanged and the position of mobiles may be determined with direct access from multiple ground control facilities. The satellites tra... | 04/09/1991 |
| 4975707 | Multiple satellite locating system A locating system employs a multiple satellite configuration employing rotating scanning patterns for generating peak signal data which can be used to calculate the position of a signal source within a scanned region. One preferred embodiment utilizes two... | 12/04/1990 |
| 4965586 | Position determination and message transfer system employing satellites and stored terrain map A radio position determation and message transfer system is implemented using a pair of satellites in geostationary orbit for replaying interrogation and replay signals between a ground station and a user-carried transceiver. The user portion is calculate... | 10/23/1990 |
| 4613864 | Position-fixing system Several satellites serving as reference stations (Sj) for a user revolve about the earth in different orbits. At least four reference stations must be within sight of a user station (N) at the same time. The user station measures the ranges to ... | 09/23/1986 |
| 4276553 | Apparatus and method for determining the position of a radiant energy source The position of a terrestrial RF source is determined from a geostationary, synchronous satellite by scanning the beam of a narrow beam width antenna in first and second orthogonal directions over a region including the source. The peak level of energy tr... | 06/30/1981 |
