Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
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 |
| 7330662 | System and method for remote optical digital networking of computing devices The extended range of optical data communication is enabled through the use of intermediary relay stations spaced fairly far apart. IRDA communicatiOn, as is well known, uses very short duration optical pulses to send data up to 1 Mbit/sec; this has the concomitant ... | 02/12/2008 |
| 7302366 | Measuring instrument A measuring instrument, in particular a flow or level meter, includes a base module for the acquisition and processing of measured data and an add-on module. Both the base module and the add-on module feature an optical interface interconnecting the base module and ... | 11/27/2007 |
| 7286768 | Device for optical signal transmission An optical transfer device for transferring optical signals from a moveable part to a stationary part through an optical transfer medium in order to minimize distortions of the optical signal and increase the effective bandwidth of the signal transit path by minimiz... | 10/23/2007 |
| 7263870 | Gauge calibration method The instrument panel gauge assembly includes an applique having gauge graphics printed thereon and a needle pointer for a gauge assembly positioned adjacent thereto. A transparent chaplet is formed within the applique to allow light to pass through. The needle passe... | 09/04/2007 |
| 7256560 | Circuit arrangement for supplying a control electronics system in electric machines A circuit configuration for supplying the control electronics in an electrical machine is specified, which includes a passive transformer circuit, which is powered by a phase current IP of the electrical machine and which generates an auxiliary voltage VA that is us... | 08/14/2007 |
| 7199707 | Multi-channel wireless remote control system A multi-channel wireless remote control system, which has N (an integer greater than one) wireless receiving devices and N (an integer greater than one) wireless transmitting devices. The N wireless transmitting devices corresponds to the N wireless receiving device... | 04/03/2007 |
| 7142480 | 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... | 11/28/2006 |
| 7135986 | Meter register having an encoder for measuring material flow and an algorithm to selectively block signal transmission A water meter has a meter register having an encoder having electromagnetic wave emitters, e.g., infrared emitters to measure water flow and direction of water flow through the meter. The encoder has two of three spaced emitters directing infrared rays at predetermi... | 11/14/2006 |
| 7127172 | Optical frequency filter The present invention relates to an optical signal shaping device such as an optical filter having a profile such that transmission of light through the device varies as a function of frequency over a selected bandwidth. The optical signal shaping device of the pres... | 10/24/2006 |
| 7091884 | Analog position encoder A position-measuring circuit is described for use with an analog position encoder of the kind comprising a code member and at least two sensors for sensing successive marks on the code member during relative movement between the code member and sensors, the sensors ... | 08/15/2006 |
| 7053509 | Quench monitoring and control system and method of operating same A rotating machine comprising a superconductive coil and a temperature sensor operable to provide a signal representative of superconductive coil temperature. The rotating machine may comprise a control system communicatively coupled to the temperature sensor. The c... | 05/30/2006 |
| 7042368 | Automated meter reader device having optical sensor with automatic gain control The present invention achieves technical advantages as an AMR device and method of use having an optical transceiver adapted to read analog meter faces. The transceiver advantageously includes an optical receiver having an amplifier receiving signals from photodiode... | 05/09/2006 |
| 6940269 | Meter unit having magnetic pointer position detector A speed meter unit has a magnetic pointer position detector, including an output coil, a detection coil and a magnetic piece. The output coil generates magnetic flux. The detection coil is for detecting the magnetic flux from the output coil. When a pointer has retu... | 09/06/2005 |
| 6828919 | Exciter assembly telemetry An exciter assembly supplies current to a superconducting load. The exciter assembly includes a transformer for generating the current and an optical emitter and an optical receiver. The transformer includes a stationary winding portion having a stationary winding a... | 12/07/2004 |
| 6617978 | Electricity meter A meter for measuring electricity usage for a given load includes a housing and two light sources disposed in the housing and configured to output light at a predetermined frequency. Two light receivers are disposed in the housing so that a light path is ... | 09/09/2003 |
| 6512458 | Method and apparatus for detecting failure in solar cell module, and solar cell module The temperature of a bypass diode of a solar cell module is measured by a temperature detector from the exterior of the solar cell module, and the results of temperature detection of each bypass diode are mutually compared to detect the presence or absenc... | 01/28/2003 |
| 6369719 | Apparatus and method for collecting and transmitting utility meter data and other information via a wireless network A system for remotely monitoring and transmitting data and other information received from utility and other devices is disclosed. The universal meter reader of the present invention includes a device for sensing and collecting data at a first location. T... | 04/09/2002 |
| 6313756 | Method for controlling an electric meter, and electric meter A method for controlling an electric meter, on which a module can be mounted. The module cooperates with a basic counting mechanism in the electric meter through a bidirectional optical transmission device. A bidirectional optical transmission path can be... | 11/06/2001 |
| 5774068 | Absolute signal detecting method and absolute encoder A code plate has an m-bit signal track read out in parallel for providing the starting position of an AC servo motor for commencing rotation when power is first turned ON. An n-bit signal track accompanied by an incremental signal track is provided on the... | 06/30/1998 |
| 5767790 | Automatic utility meter monitor A self-contained automated meter reader system for monitoring a plurality of channels for gas, electricity and water utilities, has additional channels dedicated to normally closed alarm signals for monitoring the integrity of the system. The system is in... | 06/16/1998 |
| 5673131 | High density, three-dimensional, intercoupled circuit structure A three-dimensional circuit structure includes a plurality of elongate cylindrical substrates positioned in parallel and in contact with one another. Electrical components are formed on the surfaces of the substrates, along with electrical conductors coup... | 09/30/1997 |
| 5641030 | Powered tracked vehicle suitable for carriages for the disabled The powered tracked vehicle is equipped with photocells (13, 45) which monitor its backward and forward movements and automatically modify their orientation according to whether the vehicle is travelling on the level or negotiating stairs or a slope. The ... | 06/24/1997 |
| 5519389 | Signal synchronized digital frequency discriminator A digital frequency discriminator processes input pulses including first and second time separated input pulses to determine if the frequency of any two sequential pulses lie within a predetermined frequency band with upper and lower frequency limits and ... | 05/21/1996 |
| 5442332 | Vehicle interface system and method A self-contained portable interface system (10) coordinates vehicle light response on separate vehicles. A power interface (13) plugs into a cigarette lighter (14) on the first vehicle (16). A turn signal detector (18) releasably engages a turn signal lev... | 08/15/1995 |
| 5371496 | Two-part sensor with transformer power coupling and optical signal coupling A two-part sensor includes a power source/signal receiver and a signal generator which are physically spaced and disconnected from one another. The power source/signal receiver is encased within transparent encapsulating material and includes an annular s... | 12/06/1994 |
| 5331319 | Device for signalling the position of a mobile member A device for signalling remotely the state of a device able to assume a plurality of discrete states comprises a circuit for producing inside a screened enclosure a direct current voltage free of interference. The screened enclosure contains a first circu... | 07/19/1994 |
| 5270684 | Oil consumption counter An improved electronic measuring system which not only determines the amount of fuel oil consumed by a home, office, or factory heating system, but also detects leaks in underground fuel storage tanks, errors in oil deliveries, heating system problems suc... | 12/14/1993 |
| 5241306 | System and method for introducing meter sensor hysteresis A method and system for accurate remote reading of an electricity meter including an optical detection arrangement, including a light emitter and sensor, have positioned in the light path therebetween a cutout portion of the meter shaft. Rotation of the s... | 08/31/1993 |
| 5233355 | Position transducer An absolute position transducer (encoder) comprising an incremental encoder having a coded disk connected stably to a shaft, and connected to a sensor for emitting a signal for each complete turn of the disk The incremental encoder produces a first and se... | 08/03/1993 |
| 5214587 | Device for monitoring utility usage A device (10) for monitoring utility usage comprising a meter sensor assembly (16) attached to a utility meter (14) and a customer interface unit (20) placed inside a building (12). Sensor signals from the meter sensor assembly (16) are transmitted throug... | 05/25/1993 |
| 5211539 | Apparatus for indicating the pitch of turbofan blades Apparatus indicates changes in blade pitch of variable pitch blades by detecting relative displacements of first and second members of a blade pitch actuator. The members are selectively displaced to change the pitch of the blades. The apparatus includes ... | 05/18/1993 |
| 5196844 | Method and apparatus for detecting reference rotational angle for each cylinder in multiple-cylinder internal combustion engine Disclosed is an apparatus for detecting the reference rotational angle for each cylinder in a multiple-cylinder internal combustion engine, in which a reference pulse signal is output at a position of a predetermined rotational angle of the engine at a sp... | 03/23/1993 |
| 5191328 | Trailer hitching aid and method using reception delay of different velocity signals A trailer hitching aid includes a dual transmitter mounted on the forward end of a trailer or other vehicle to be towed and arranged to transmit pulses of infrared light and pulses of ultrasonic sound. A towing vehicle mounts on its rear end an infrared l... | 03/02/1993 |
| 5181026 | Power transmission line monitoring system An Electric Power Line Monitoring System in which a single line measuring system station can measure all of the power parameters of both voltage and phase angle plus ambient and line temperatures. The measuring station can be secured to the power line wit... | 01/19/1993 |
| 5093625 | Electrostatic spray gun voltage and current monitor with remote readout A device and method of determining the voltage and current existing at the electrostatic electrode in a electrostatic spray gun, the spray gun containing a self-contained power supply including a turbine generator operating the air supplied to the gun, th... | 03/03/1992 |
| 5019814 | Wireless data coupling system and method A wireless data coupling system for transmitting data such as torque from a rotating shaft to a stationary receiver includes at least one photocell on the shaft along with a corresponding stationary light source for illuminating the photocells. This power... | 05/28/1991 |
| 5006846 | Power transmission line monitoring system Electric power line phase conductor (line) monitoring system in which a single measuring station can measure all the power parameters of voltage and current and phase angle plus ambient and line temperatures. The measuring station fastens to the line, typ... | 04/09/1991 |
| 4998294 | Opto-electrical power transmission and control system A lase diode light source (21) is arranged to emit light of a desired intensity (I1), which is transmitted via an optical conductor (22). Light exiting the fiber has an intensity (I2), and falls incident on the receiver surface of a photodiode ... | 03/05/1991 |
| 4962495 | Apparatus and method for transmitting condition data from a rotating member to a stationary device Apparatus and method for transmitting condition data from a rotating member to a stationary device is disclosed wherein digitized data obtained from a plurality of sensors is transmitted from the rotating member to the stationary device through a system o... | 10/09/1990 |
| 4958904 | Optical slip ring An optical slip ring assembly involving a small diameter transmitter accurately spaced with respect to a plurality of detectors arranged in a predetermined pattern operates to transmit a signal across an air gap between two relatively rotating members.... | 09/25/1990 |
