Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7305467 | Autonomous tracking wireless imaging sensor network including an articulating sensor and automatically organizing network nodes A wireless integrated network sensor (WINS) system is provided that integrates articulating tracking systems with WINS network components including visual or infrared sensors and imaging devices to enable precise tracking and targeting of objects moving through a se... | 12/04/2007 |
| 7158049 | Wireless communication circuit The invention includes a wireless communication circuit and a method of communicating with wireless signals that feature a tank circuit having an inductor connected in parallel with a capacitor circuit. The capacitor circuit includes a pair of capacitors coupled in ... | 01/02/2007 |
| 7132958 | Downhole telemetry system using multiple uplink modes as data channels using discrete multi-tone modulation A method and a downhole telemetry system a downhole telemetry system using discrete multitone modulation for transmitting a data stream over a plurality of transmission modes is provided. The downhole telemetry system includes a downhole transmitter, a cable, and a ... | 11/07/2006 |
| 7037268 | Low profile acoustic sensor arry and sensors with pleated transmission lines and related methods A low profile acoustic array (10) is configured to selectively respond to shear waves while rejecting compression wave energy in the frequency range of interest. One sensor array is configured as a linear strip with a frame segment having at least one longitu... | 05/02/2006 |
| 6977867 | Seismic data acquisition system A seismic survey system having remote acquisition modules (RAMs) for acquiring seismic signals and communicating with a central recording system (CRU) via a network of cables, other RAMs, and line tap units (LTUs), arranged in a matrix of receiver lines and base lin... | 12/20/2005 |
| 6940420 | Drill string telemetry system A drill string telemetry system comprises an acoustic reflector mounted to the surface end of the drill string. The reflector is adapted to reflect surface-generated torsional acoustic noise away from the drill string. The reflector attenuates the power of 500 Hz to... | 09/06/2005 |
| 6915875 | Acoustic isolator for downhole applications A plurality of heavy mass irregularities attached to an inner wall of the drill collar attenuate waves traveling through the collar. The plurality of heavy mass irregularities are spaced and sized for the maximum attenuation of acoustic pulses in a predetermined fre... | 07/12/2005 |
| 6804875 | Method of mounting elastic wave generator An elastic wave generator includes an excitation coil, a magnetostriction oscillator around which the excitation coil is wound and an oscillator support. The excitation coil is wound around the oscillator, which is made of laminated magnetostriction sheets having a ... | 10/19/2004 |
| 6697298 | High efficiency acoustic transmitting system and method The present invention includes a well system having a sensor; a controller for converting the sensor output, a signal conducting mass, a magnetostrictive actuator for inducing an acoustic wave the signal conducting mass, a reaction mass being greater than... | 02/24/2004 |
| 6630890 | Methods, systems and tools for borehole logging A borehole logging tool system includes a surface system, a logging array, and a logging cable providing power supply and data paths connecting the logging array to the surface system, wherein the logging array includes a series of discrete sondes connect... | 10/07/2003 |
| 6484133 | Sensor response rate accelerator An apparatus and method for sensor signal prediction and for improving sensor signal response time, is disclosed. An adaptive filter or an artificial neural network is utilized to provide predictive sensor signal output and is further used to reduce senso... | 11/19/2002 |
| 6434084 | Adaptive acoustic channel equalizer & tuning method A method and apparatus for data communication in an oil well environment, wherein the method comprises detecting an acoustic signal transmitted along an acoustic channel, the acoustic signal being distorted from transmission through the acoustic channel, ... | 08/13/2002 |
| 6405136 | Data compression method for use in wellbore and formation characterization A method is disclosed for compressing a frame of data representing parameter values, a time at which each parameter value was recorded, and an orientation of a sensor at the time each parameter value was recorded. Generally the method includes performing ... | 06/11/2002 |
| 6308562 | Technique for signal detection using adaptive filtering in mud pulse telemetry A mud pulse telemetry adaptive noise canceler (ANC) employs a primary transducer and a reference transducer downstream from a position of the primary transducer. The primary transducer receives a primary signal based on a combination of a transmitted puls... | 10/30/2001 |
| 6021095 | Method and apparatus for remote control of wellbore end devices A wellbore remote control system is disclosed which includes (1) a transmission apparatus for generating at least one acoustic transmission having a particular transmission frequency, (2) a reception apparatus which includes an electronic circuit (prefera... | 02/01/2000 |
| 5886255 | Method and apparatus for monitoring mineral production Long-term changes in the distribution of a mineral in a subsurface deposit, due to commercial production of the mineral, are monitored by suitable instrumentation. The monitoring instrumentation is installed in combination with commercial mineral producti... | 03/23/1999 |
| 5812068 | Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto The present invention provides a measurement-while-drilling (MWD) system having a downhole computer and multiple downhole sensors. Relatively large amounts of basic or "raw" data are measured by downhole sensors, and these data are processed within a down... | 09/22/1998 |
| 5780784 | Cancellation of tool mode signal from combined signal A system for eliminating the tool mode signal from a received combined signal comprising both tool mode and formation mode components, comprising: a formation receiver for receiving said combined signal, a reference receiver for receiving a tool mode refe... | 07/14/1998 |
| 5157392 | Telemetry network for downhole multistation seismic recording tools A seismic logging system for VSP or cross well data capture set forth. It is comprised of M duplicate recording stations connected serially below a main structure suspended on a logging cable. Each of the recording stations preferably includes orthogonall... | 10/20/1992 |
| 5062084 | Borehole digital geophone tool A method and apparatus for acquiring acoustical data from a borehole and is especially useful in carrying out tomogrphy surveys. The borehole digital geophone (BDG) tool of the present invention is capable of operating from a standard, 7-conductor logging... | 10/29/1991 |
| 4899144 | Method of transmitting ultrasonic amplitude & time travel information over a logging cable A method for transmitting ultrasonic amplitude and time travel information obtained from borehole logging operations over a logging cable allows accurate measurement of the time travel by surface equipment. The time travel information is transmitted by a ... | 02/06/1990 |
| 4897646 | Method and apparatus for reducing the effective bandwidth of ultrasonic waveform for transmission over a logging cable A method and apparatus for increasing the effective bandwidth of an acoustic return resulting from logging operations. The real time acoustic return is stored in memory. A transmitted acoustic return is produced for transmitting over a logging cable by tr... | 01/30/1990 |
| 4808996 | Simultaneous digitizing apparatus for an acoustic tool For use in an acoustic logging tool, an apparatus which digitizes simultaneously obtained acoustic signals is set forth in the preferred and illustrated embodiment. The device cooperates with N acoustic receivers in a sonde. After an acoustic pulse is tra... | 02/28/1989 |
| 4797668 | Acoustic well logging system having multiplexed filter digitizing In an acoustic well logging system having an acoustic transmitter in a sonde and spaced acoustic receivers, an acoustic transmitter control circuit enabling transmission of high frequency pulses, acoustic receivers therefor, received signal frequency filt... | 01/10/1989 |
| 4796026 | Noise tool and method Apparatus for detecting acoustic disturbances include an electrical circuit for processing electrical signals generated by an acoustic sensor in response to acoustic disturbances. The processing circuitry converts the electrical data signals into output s... | 01/03/1989 |
| 4701892 | Downhole casing inspection system A 60 to 100% coverage of downhole casing condition is obtainable by the improved system comprising, a sufficient number of piezoelectric transducers 1/4 inch in diameter about a probe head, preferably, 40 or more and usually 60-120 piezoelectric transduce... | 10/20/1987 |
| 4684947 | Simultaneous digitizing apparatus for an acoustic tool For use in an acoustic logging tool, an apparatus which digitizes simultaneously obtained acoustic signals is set forth in the preferred and illustrated embodiment. The device cooperates with N acoustic receivers in a sonde. After an acoustic pulse is tra... | 08/04/1987 |
| 4676310 | Apparatus for transporting measuring and/or logging equipment in a borehole Apparatus for transporting measuring and/or logging equipment in a borehole filled with drilling fluid, the apparatus being in the form of a transporter body of normal diameter less than that of the borehole characterized by apparatus for effectively adva... | 06/30/1987 |
| 4593559 | Apparatus and method to communicate bidirectional information in a borehole The invention relates generally to mapping or survey apparatus and methods, and more particularly concerns efficient transmission of survey signals or data from depth level in a borehole or well to the well surface, for analysis, display or recordation; f... | 06/10/1986 |
| 4415895 | Well logging data transmission system A telemetering system provides improved cable utilization and bi-directional digital communication between a logging sonde and surface electronics over a single balanced transmission line of a multi-conductor logging cable, with significant signal crossta... | 11/15/1983 |
| 4215425 | Apparatus and method for filtering signals in a logging-while-drilling system The disclosure is applicable for use in a logging-while-drilling apparatus for obtaining subsurface measurements during drilling in a fluid-filled borehole. Acoustic carrier waves are generated downhole in the borehole fluid and are PSK modulated in accor... | 07/29/1980 |
