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"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 7349446 | Signal superimposition A method and apparatus are provided in which control data for a generator system is multiplexed onto a synchronization signal. ... | 03/25/2008 |
| 7260733 | Distributed control system In a distributed control system, a first electronic control unit sends trigger information to a second electronic control unit. The trigger information includes a timing that triggers the second electronic unit to obtain second sensor information from a second senso... | 08/21/2007 |
| 7253610 | Self-powered bicycle signal output device and display apparatus using same A bicycle signal output device comprises a magnet structured to be mounted to one of a first part and a moving part of a bicycle, a coil structured to be mounted to the other one of the first part and the moving part of the bicycle, and a signal generating unit that... | 08/07/2007 |
| 7209840 | Systems and methods for providing remote monitoring of electricity consumption for an electric meter A system for providing remote monitoring of electricity consumption is provided. In one embodiment the system may comprise electric meters, communication devices having a unique address and defining a wireless communication network, and a site controller. Each elect... | 04/24/2007 |
| 7103511 | Wireless communication networks for providing remote monitoring of devices Wireless communication networks for monitoring and controlling a plurality of remote devices are provided. Briefly, one embodiment of a wireless communication network may comprise a plurality of wireless transceivers having unique identifiers. Each of the plurality ... | 09/05/2006 |
| 7091879 | System and method for using multiple medical monitors The present invention relates to a system and method for simultaneously using and configuring one or more disposable transmitters. The system includes at least one single or multiple use disposable transmitter, a central station, and a receiver module. The transmitt... | 08/15/2006 |
| 7062969 | Measurement apparatus and sensor apparatus A measurement apparatus includes a speed sensor, a cadence sensor and a display portion. The apparatus further includes a transmit portion for wirelessly transmitting signals detected by the speed sensor and the cadence sensor to the display portion. The transmit po... | 06/20/2006 |
| 7061924 | Methods and apparatus for remote metering A monitoring system includes a central gateway. The central gateway is configured to interface the monitoring system to a WAN. The monitoring system also includes a network of radio telemetry devices. Each radio telemetry device includes a monitoring device, a radio... | 06/13/2006 |
| 7053767 | System and method for monitoring and controlling remote devices The present invention is generally directed to a system for monitoring a variety of environmental and/or other conditions within a defined remotely located region. In accordance with one aspect of the invention, a system is configured to monitor utility meters in a ... | 05/30/2006 |
| 7002464 | Relative timing mechanism for event sequencing without clock synchronization A remote sensing system operable to collect sensor timing data comprising a central data hub for detecting the occurrence of an event and processing information about the detected event, the remote sensing system comprising a central data hub, at least one sensor ha... | 02/21/2006 |
| 6995683 | System and method for transmitting downhole data to the surface A system and method are disclosed that provide for transmitting data from a downhole location to the surface. In one embodiment, a communications medium provides data transfer capabilities to the surface. A first downhole instrument is associated with the communicat... | 02/07/2006 |
| 6954144 | Water pit transmitter assembly A water pit transponder assembly includes a housing with multiple sections including top, main and bottom sections snap latched together connected to a water meter. A circuit board transponder in the housing includes a controller, a transmitter, a receiver and tampe... | 10/11/2005 |
| 6879917 | Double-ended distance-to-fault location system using time-synchronized positive-or negative-sequence quantities When a disturbance (for example, lightning strike) occurs on a high-voltage overhead transmission line, the line must be checked for any possible damage. If the distance-to-fault is known, line crews can be quickly dispatched for any necessary repair. The present in... | 04/12/2005 |
| 6836219 | Method for synchronizing at least two control devices A sensor device having an incremental encoder and a measuring sensor generating a measuring signal is assigned to two control devices. A synchronization device generates a synchronization signal. A conditioned first measuring signal is generated in the first control... | 12/28/2004 |
| 6545613 | Circuit for compensation of a transducer output signal A signal conditioning circuit is provided for a plurality of pressure signals generated by individual pressure sensors mounted upon a hydraulic control valve. The signal conditioning circuit sequentially samples each of the pressure sensors and multiplexe... | 04/08/2003 |
| 6526365 | Low-power/wideband transfer function measurement method and apparatus The invention is a method of measuring transfer functions of a physical system using a wideband excitation signal by exciting the system with a low-power, wide band input signal that has a rich frequency content over a wide band and using a stochastic pro... | 02/25/2003 |
| 6337636 | System and techniques for seismic data acquisition A data acquisition system has a central station connected to a plurality of nodes over a network. Each node is connected to receive signals from one or more sensors ad each is configured to have substantially the same transmission delay to said central st... | 01/08/2002 |
| 6304191 | Uni-directional protocol The present invention provides a unidirectional protocol for communicating data from a plurality of utility meters and a meter adapted to carry out this protocol. The meters are adapted to monitor and measure the respective utility parameters which may in... | 10/16/2001 |
| 6229454 | Telemetric measuring method and system The invention relates to a telemetric measuring method and system. In the method, different sensors are used to measure at least two different variables, i.e. heartbeat, the speed and pedalling cadence of a bicycle. The measurement data on each measured v... | 05/08/2001 |
| 6111872 | Telemeter telecontrol system A master station performing continuous operations is communicatively coupled with a plurality of remote stations performing intermittent transmission/receiving operations in constant cycles. Control units of the remote stations control radio communication... | 08/29/2000 |
| 5883886 | Utility meter readings on a reverse channel of a two-way paging system A meter reading device (22) for wirelessly transmitting meter readings from a plurality of meters (30) includes a receiver (44) for receiving a synchronization signal (60), a clock (40) connected to the receiver, a wireless transmitter (46) connected to t... | 03/16/1999 |
| 5760707 | Method of transmitting multiple serial signals In a method of transmitting multiple serial signals, parallel signals are converted into serial signals by a plural number of parallel-to-serial converters contained in a transmitter, serial signals are converted into parallel signals by a plural number o... | 06/02/1998 |
| 5451938 | RF meter reading system The RF meter reading system includes a transmitter having an encoder. Meter data is encoded and modulated using a bi-phase modulating scheme. In order to uniquely identify the start of a data transmission, a super start field, which is an "illegal" bi-pha... | 09/19/1995 |
| 5355130 | Ultrasonic proximity switch with a synchronizing device When operating adjacent ultrasonic proximity switches, faulty output states can occur due to mutual interference (e.g., the incorrect allocation of echo signals). To solve this problem, it is known to adhere to standard mounting specifications as well as ... | 10/11/1994 |
| 5058080 | Multiple transmission path seismic telemetering system In a marine seismic data acquisition system, a plurality of seismic data transmission paths are utilized to conduct seismic data to a central recording unit from seismic data acquisition modules positioned along the length of cable. Signals from a plurali... | 10/15/1991 |
| 4855735 | Recovery of data clock signals A single link digital telemetry system transmits data in serial form from a sending station. The data clock signal is recovered at a receiving station for data synchronization purposes. To achieve recovery of the data clock signal the incoming data is syn... | 08/08/1989 |
| 4663744 | Real time seismic telemetry system A real time seismic telemetry system includes a central station (10) for communication with a plurality of remote data acquistion units (14). The command station (10) has a command unit (34) for controlling the operation of a transmitter (40) for providin... | 05/05/1987 |
| 4636790 | Addressable port telemetry system An improved telemetry system for transferring data signals to and from a plurality of serially-connected, addressable data ports. The telemetry system includes a plurality of serially-connected input/output (I/O) data ports; an output data line and an inp... | 01/13/1987 |
| 4633421 | Method for transposing time measurements from one time frame to another A method for transposing the time of an event as read at a remote station with one clock to the time frame of another clock at a master station when the clocks are not synchronized and are of insufficient accuracy to provide measurements to within a few m... | 12/30/1986 |
| 4628493 | Sensor system with time division multiplexing telemetry A seismic array containing a large number of seismic sensors, which may be optical hydrophones, has successive sections, each of which contains a subarray of sensor channels, interconnected by a fiber optic signal transmission line via telemetry modules. ... | 12/09/1986 |
| 4575720 | Data acquisition transmitter and receiver A transmitter has a plurality of parallel inputs, and each input is connected to a switch. The transmitter receives a trigger signal that has a constant frequency. Using the trigger signal, the transmitter provides a signal which consists of individual se... | 03/11/1986 |
| 4547056 | Digital circuit with improved input/output connections In connecting a microprocessor to several condition-sensitive switches and several slow-reacting loads such as motors and solenoids, the input/output ports of the microprocessor may be simplified and reduced in number by incorporating a switch and a load ... | 10/15/1985 |
| 4442426 | Signal transmission Plural transmitters, which transmit signals to a common receiver, transmit their signals in a fixed time-staggered pattern. As a result, the individual signals which are transmitted by the respective transmitters do not interfere with one another or influ... | 04/10/1984 |
| 4390986 | Digital subscriber communication system A digital subscriber communications system for transmitting voice and data information is disclosed. The signal transmissions, on any suitable medium, are in an optimized sixteen bit per frame format with a framing bit in each frame. The framing bit is de... | 06/28/1983 |
| 4361838 | Remote meter reading arrangement A remote meter reading arrangement in which power for the remote terminal is supplied from the data collection terminal by transmission lines. At the moment power is applied to the remote terminal, a clock pulse generator in the remote terminal is supplie... | 11/30/1982 |
| 4218767 | Transmission line seismic communications system A seismic communications system including a central control and recording station and a plurality of remote data acquisition stations, the stations being approximately in line and connected to each other by one or two transmission lines. One line is all t... | 08/19/1980 |
| 4053714 | Electrical data collecting device This invention relates to data transmission system of the type where a plurality of transmitters are located at a location remote from a receiver and are adapted to transmit information from their location in turn to the receiver. The transmitters in the ... | 10/11/1977 |
| 3986162 | System for the multiplexed transmission of signals from seismic receivers An installation for the multiplexed transmission of signals from seismic eivers, each associated with a respective multiplexing circuit, connected in series in a transmission line between a generator of first pulse signals and a registration station. Eac... | 10/12/1976 |
| 3962697 | Low level bio-telemetry system using C/MOS multiplexing A low-power, transient-free, multi-channelled bio-telemetry system utilizes series of C/MOS switches coupled to the data sampling electrodes. Shift register pulses selectively enable the switches to sequentially shift the data sample inputs through nine, ... | 06/08/1976 |
| 3943488 | Multiplex telemetering system A multiplex telemetering system for transmitting a group of data signals each representing a distinct analog value, over a common channel to a receiving terminal where the data signals are fed into respective sub-channels. The transmitter includes a commu... | 03/09/1976 |
