Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
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 |
| 8018243 | Measurement signal processing In order to determine amplitudes of measurement signals originating from an AC power supply and to determine the phase shift (ø) between measurement signals more simply, the measurement signals are processed in measurement signal operation devices to form auxiliary... | 09/13/2011 |
| 7830155 | Two-wire active sensor interface circuit A two-wire active sensor interface circuit includes a constant current circuit adapted to be coupled to a two-wire active sensor for receipt of a sensor current signal indicating one of two sensor states. The constant current circuit provides a preselected constant ... | 11/09/2010 |
| 7759945 | Sensor including dual range, application specific integrated chip (ASIC) A sensor incorporates a dual range ASIC (Application Specific Integrated Circuit) for accurately sensing and measuring sensor input over extensive range along with an improved resolution. The sensor can incorporate an ASIC utilizing signals from a MEMS-based piezore... | 07/20/2010 |
| 7545152 | Transmission line pulse measurement system for measuring the response of a device under test A Transmission Line Pulse (“TLP”) measurement system for testing devices such as integrated circuits (“ICs”), and especially for testing the electrostatic discharge (“ESD”) protection structures connected to terminals on such ICs. The TLP measurement sys... | 06/09/2009 |
| 7383141 | Faraday system integrity determination A system, method and program product for determining the integrity of a faraday system are disclosed. The invention uses a computer infrastructure to control an automatic determination of a faraday system integrity, when the faraday system is not in operation. The d... | 06/03/2008 |
| 7370514 | Determining quality of lubricating oils in use Resistivity ρ values of a lubricating oil are repeatedly determined at a predetermined temperature (range) as it is in use in a working mechanism such as a vehicle engine. Such accumulated properties over operating time of the working lubricant can be plotted graph... | 05/13/2008 |
| 7342400 | Method and apparatus for measuring employing main and remote units A test instrument employs main and remote test units at respective ends of a cable under test. The units operate in an active or passive measurement mode, wherein one of the units begins as the active unit, applying test signals to the cable under test to make a set... | 03/11/2008 |
| 7340219 | Method and system for multisite RF transceiver testing According to one embodiment of the invention, a system for testing electronic devices includes a first RF source operable to output a first signal, a second RF source operable to output a second signal, a combiner coupled to the first and second RF sources and opera... | 03/04/2008 |
| 7301349 | Array sensor electronics Circuits and methods for detecting and amplifying sensor and sensor array (102, 104) output signals are presented. According to some aspects, a nonlinear feedback loop containing a sensor element provides a nonlinear transformation that compensates for a corr... | 11/27/2007 |
| 7279920 | Expeditious and low cost testing of RFID ICs System and method for integrated circuit manufacturing. A preferred embodiment comprises transmitting a first set of data to integrated circuits (ICs) while they are in an on-wafer state and having each IC store the first set of data into memory, transmitting a seco... | 10/09/2007 |
| 7275420 | Fluid sensor fixture for dynamic fluid testing A system that facilitates measurement, analysis, and automatic maintenance of fluid comprises a fluid, and a casing that includes a plurality of apertures is immersed in the fluid. The apertures are opened to permit the fluid to enter the casing and closed to confin... | 10/02/2007 |
| 7253737 | Automated antenna trim for transmitting and receiving semiconductor devices A radio frequency communication device and methods of testing and tuning an antenna attached thereto are disclosed. A radio frequency communication device comprises internal circuitry and an antenna having a plurality of antenna segments associated therewith. Each a... | 08/07/2007 |
| 7251284 | QAM receiver A QAM receiver is disclosed. According to one aspect, a QAM receiver includes a signal input for receiving an analog input signal. Further, the QAM receiver includes an anti-aliasing filter and a series connected analog/digital converter for converting the received ... | 07/31/2007 |
| 7249001 | Process for estimating the motion phase of an object The process comprises acquisition of experimental data from measurements of physical quantities by means of at least one sensor associated to the object. The process comprises a first reliable estimation of a first range of values with a first method. The process co... | 07/24/2007 |
| 7221347 | Apparatus and method to improve a response speed of an LCD An apparatus and method thereof to improve a response speed of an LCD includes a noise rejection unit and a comparator. The noise rejection unit rejects noise in current digital image data and previous digital image data at a same pixel position as in the current di... | 05/22/2007 |
| 7215126 | Apparatus and method for testing a signal path from an injection point The invention includes an apparatus and method for testing an electronic signal path. The apparatus includes a signal generator (102) configured to inject a test signal into the electronic signal path at an injection point when coupled to the signal path. The... | 05/08/2007 |
| 7199595 | Fluid quality control using broad spectrum impedance spectroscopy A system and method for monitoring and controlling the properties of fluids is disclosed. The inventive concept employs impedance spectroscopy (IS) measurements, and is suitable for real-time, in situ, monitoring and quality control operations, such as quality contr... | 04/03/2007 |
| 7196526 | Matched delay line voltage converter A method and apparatus for measuring or converting voltage, the method comprising: applying an input voltage to a primary delay line; applying a reference voltage to a timer delay line; propagating a delay signal through the primary delay line; propagating a timer s... | 03/27/2007 |
| 7161358 | Impedance analyzer An impedance analyzer includes a reference signal, a first converter a first coupler, a second converter, a second coupler, a modification circuit, a reference signal detector, and a reflected signal detector. The first coupler couples the reference signal to the fi... | 01/09/2007 |
| 7098669 | Depth determining system A system for determining the depth of a fluid in a storage tank. The depth of the fluid is determined after the detection of a pulsed wave that is reflected from the top surface of the fluid. The system includes a transducer, an analog-to-digital converter, and a fi... | 08/29/2006 |
| 7091725 | Fast, high-resolution, indirect measurement of a physical value A measurement method or system for measuring a physical value comprises, during a same clock cycle, forming an input signal, a reference signal and an offset signal, the input signal including a parasitic value and a useful measurement value. A relationship between ... | 08/15/2006 |
| 7078910 | Fluid formulation evaluation and improvement utilizing broad spectrum impedance spectroscopy A method and apparatus for evaluating and improving the properties of fluid formulations is disclosed. The inventive concept employs impedance spectroscopy (IS) measurements and data analyses to determine IS parameters of fluids representative of a fluid formulation... | 07/18/2006 |
| 7071700 | Characterizing analog and digital telephone circuits and other types of wiring systems using frequency domain reflectometry (FDR) The structural and termination characteristics of a telephone or other wiring circuit can be determined by generating a continuous stream of low-energy electrical signals, injecting these into the circuit under test, and analyzing the energy reflected at impedance c... | 07/04/2006 |
| 7049831 | Fluid quality control using broad spectrum impedance spectroscopy A system and method for monitoring and controlling the properties of fluids is disclosed. The inventive concept employs impedance spectroscopy (IS) measurements, and is suitable for real-time, in situ, monitoring and quality control operations, such as quality contr... | 05/23/2006 |
| 7047148 | Indirect techniques for measuring 1/f noise The time required to measure 1/f noise for a device, such as an integrated circuit, can be shortened by applying offset to a chopper stabilized circuit and then using offset removal as a surrogate measure for 1/f noise performance. ... | 05/16/2006 |
| 7043402 | On-line oil condition sensor system for rotating and reciprocating machinery An on-line sensing system and method for monitoring in real-time thermal-oxidative breakdown, water contamination, and/or fuel dilution conditions in operational engine lubricating oils. The method of the invention includes an electrochemical impedance analysis tech... | 05/09/2006 |
| 7026828 | Recording module with a universal input for measurement of physical parameters A recording card for the measurement of physical parameters includes at least one analogue-digital converter and at least one input connector for connection to a sensor. The recording card further includes a voltage source and a reference resistance arranged in seri... | 04/11/2006 |
| 7028088 | System and method for providing statistics for flexible billing in a cable environment A system for providing flexible billing in a cable environment can establish billing practices based on tier level of service, quality of service or the amount of network resources consumed. A plurality of tiers or levels of service can be defined by parameters incl... | 04/11/2006 |
| 7002357 | Method and apparatus for phase calculation from attenuation values using a Hilbert transform for FDR measurements The invention concerns a method and a device for phase calculation from attenuation values using a Hilbert transform for reflectometric measurements in the frequency domain. The invention is characterized in that the measuring system comprises a signal source for a ... | 02/21/2006 |
| 6980116 | Method for failure detection in a radio frequency device A method for detecting a failure in a radio frequency (RF) device (200) that includes a transistor (210) having a first terminal at an RF input (220), a second terminal at an RF output (260), and a third terminal at an RF common (230 | 12/27/2005 |
| 6975214 | Supply unit for identifying and powering a LED unit, and method therefor The invention relates to a supply unit (1) and method for detecting the identity of and for supplying power to LED units (2). The supply unit (1) firstly determines, by means of a detection unit (7), the identity of a connected LED unit (... | 12/13/2005 |
| 6972552 | Method for the precise measurement of dependency on amplitude and phase of a plurality of high frequency signals and a device for carrying out said method A method and device for measurement of dependency on amplitude and phase of a plurality of high frequency signals used primarily with a synchrotron accelerator of elementary particles, includes alternately directing, with a radio frequency (RF) switch, each analogue... | 12/06/2005 |
| 6959037 | System and method for locating and determining discontinuities and estimating loop loss in a communications medium using frequency domain correlation A system for determining characteristics associated with a communication channel includes a transmitter for transmitting a first signal via the communication channel. The system includes a receiver for receiving a second signal via the communication channel in respo... | 10/25/2005 |
| 6943561 | Method of and an apparatus for collecting RF input and output and biasing signal data of a device under test Radio Frequency (RF) signal network measurement data of a device under test are acquired by exciting the device using a modulated RF excitation signal, while measuring RF signal data at the signal ports of the device, measuring bias signal data, and processing the R... | 09/13/2005 |
| 6940286 | Electrical impedance tomography Methods and apparatus are provided for obtaining a representation of the distribution of electrical impedance within a multiphase flow with an electrically continuous or discontinuous principle flow contained within an electrically conductive solid ring electrode, i... | 09/06/2005 |
| 6922064 | Fluid quality test method based on impedance A system for determining a quality of a fluid includes an impedance cell immersed in the fluid and impedance instrumentation that communicates with the impedance cell. A controller measures a first impedance of the fluid using an electrical signal at a first frequen... | 07/26/2005 |
| 6879165 | Detector having remote dialogue facilities A proximity detector having a housing and issuing an output signal whose state is a function of the position of a target or of the frequency of passage of a target, where the detector parameters can be set by an operator using operator dialog facilities communicatin... | 04/12/2005 |
| 6873162 | System and method for determining a dielectric property associated with a substrate A system and method for determining the dielectric properties associated with a substrate. In one embodiment, a network analyzer measures scattering parameters for at least two lines of substantially identical cross-section embedded within the substrate over a speci... | 03/29/2005 |
| 6859696 | System and method for monitoring machine status A method is provided for monitoring communications in a machine including electronic control module (ECM) components connected via datalinks. A message is received on a datalink. The source address of the received message is determined. The received message is added... | 02/22/2005 |
| 6831467 | QSD recovery of superposed transient responses Apparatuses and methods for testing a system having a transient response that is longer than the intervals between stimulations, using a sequence of stimuli containing a small jitter. The timing sequence (called a q-sequence) is constrained by time-domain and freque... | 12/14/2004 |
