Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 7368902 | Impedance calibration for source series terminated serial link transmitter Substantially-accurate calibration of output impedance of a device-under-test (DUT) to within a predetermined range of allowable impedance. The DUT is part of a source series terminated (SST) serial link transmitter, in which two branches of parallel transistors eac... | 05/06/2008 |
| 7280164 | Apparatus for channel scanning and method thereof A method for scanning at least a channel of a received signal includes scanning a plurality of frequency bands in sequence and analyzing each frequency band to determine if the frequency band holds the received signal. If it does, the method includes detecting a fre... | 10/09/2007 |
| 7247855 | Portable nuclear detector A portable nuclear material detector generally includes a scintillating fiber radiation sensor, a light detector, a conditioning circuit, a frequency shift keying (FSK) circuit, a fast Fourier transform (FFT) circuit, an electronic controller, an amplitude spectral ... | 07/24/2007 |
| 7176699 | Auto-adjustment of RC cells within a circuit An integrated circuit having a first couple of components R and C, at least a second couple of components R1–R3 and C′1–C′2 and a calibration circuit. The couple of componets form an RC cell of which one component ... | 02/13/2007 |
| 7171324 | System and method for removing measurement errors from measurement systems A test system and method which utilizes a component data base that stores performance data for individual component of the system. The system and method can further provide for using data and information from one calibration procedure in connection with performing f... | 01/30/2007 |
| 7164261 | Resonance-frequency measuring method determining a resonance frequency by counting the number of off-track occurrences A resonance-frequency measuring method is used for measuring a resonance frequency of an information recording/reproducing device reproducing information recorded on a medium by driving a mechanism unit. The resonance-frequency measuring method includes the measurin... | 01/16/2007 |
| 7155372 | Methods and apparatuses for filtering pulses In one embodiment, a method that includes creating a filter structure using a parameter of a periodic pulse train, the filter structure having a plurality of time slots, each time slot being associated with a memory value; receiving a pulse at a time; incrementing t... | 12/26/2006 |
| 7136783 | Method and arrangement for processing a signal using a digital processor having a given word length Methods and arrangements for processing a signal using a digital processor having a given word length. The signal is pre-processed using a pre-processor which reduces the word length and performs an operation which is invariant with respect to a process being perfor... | 11/14/2006 |
| 7116093 | Tone generator and probe The tone generator uses a highly accurate frequency signal to generate an accurate and stable tone signal. A cadence pattern may be used to output the tone signal onto a test cable in an easily distinguishable pattern. The tone signal may be selectively output at an... | 10/03/2006 |
| 7117128 | Method and apparatus for digital signal filtering A Q-Filter is a reconfigurable technique that performs a continuum of linear and nonlinear filtering operations. It is modeled by unique mathematical structure, utilizing a function called the Q-Measure, defined using a set of adjustable kernel parameters to enable ... | 10/03/2006 |
| 7088088 | Triggered narrow-band method for making pulsed-RF networking measurements A method of measuring a device under test (“DUT”) includes applying a pulsed-RF input signal to the DUT and coupling an output of the DUT to a receiver having an output bandwidth selected to measure a center tone in an RF pulse response spectrum from the output ... | 08/08/2006 |
| 7061240 | Magnetic resonance imaging method with reduced acoustic noise A magnetic resonance imaging method comprises application of a pulse sequence which includes one or more pulses. The pulse sequence having an intrinsic scan time based on a full sampling rate in k-space for a predetermined full ‘field-of-view’ and a reference te... | 06/13/2006 |
| 6995553 | User interface for operating upon an eye diagram to find optimum sampling parameters for a receiver Measurements for an eye diagram of a signal of interest are placed in a data structure that is examined to locate an eye opening of interest. The eye opening of interest has already been, or is subsequently, normalized into figure of merit units related to the opera... | 02/07/2006 |
| 6989663 | Flatness correction A calibration system for measurement device is operable to calibrate each channel response to compensate its own gain error for a desired frequency range. The channel modes may include voltage range and a coupling mode. Each channel of the plurality of channels may ... | 01/24/2006 |
| 6946848 | Calibration configuration A calibration configuration for setting an adjustable impedance has a voltage divider with a variable resistor and a resistor connected in series, which circuit is supplied with potentials of a supply voltage and has, between the resistors, a partial voltage tap off... | 09/20/2005 |
| 6934649 | Waveform detection system and state-monitoring system The present invention provides a waveform detection system and a state-monitoring system. The waveform detection system features a signal-processing function that characterizes and detects non-cyclic transient variations and performs 1/f fluctuation conversion for i... | 08/23/2005 |
| 6885181 | Calibration circuit An apparatus is provided to calibrate a target electrical circuit. The target electrical circuit includes at least a first variable capacitor and a first resistive element. The apparatus includes a second variable capacitor proportionally matched to the first variab... | 04/26/2005 |
| 6784653 | Eye monitor An eye monitor for evaluating a binary input signal of a transmission link and for recognizing the edges of an eye diagram of the input signal is described. A decision circuit is provided which is directly connected to an integrator. The input signal and a variable ... | 08/31/2004 |
| 6737851 | Calibration circuit An apparatus is provided to calibrate a target electrical circuit. The target electrical circuit includes at least a first variable capacitor and a first resistive element. The apparatus includes a second variable capacitor proportionally matched to the first variab... | 05/18/2004 |
| 6577990 | Method for determining launch system velocity, acceleration and displacement certification parameters A method is provided to process system test data to determine certification parameters of the system based on the test data. For a torpedo launch system, the velocity data is generated by a Pressure/Velocity/Displacement housing interfaced with a computer... | 06/10/2003 |
| 6577114 | Calibration circuit An apparatus is provided to calibrate a target electrical circuit. The target electrical circuit includes at least a first variable capacitor and a first resistive element. The apparatus includes a second variable capacitor proportionally matched to the f... | 06/10/2003 |
| 6574573 | Spectrum analysis and display method time series A spectrum analysis method and apparatus for processing and displaying time series data. The time series data in digital form is decomposed into a plurality of frequency components by means of a set of band pass filters. Adjacent band pass filters have th... | 06/03/2003 |
| 6525519 | Amplitude detecting circuit An amplitude detecting circuit (1) includes a simple digital filter (2) having a structure corresponding to a part where the energy is concentrated in the full impulse response of a signal processing digital filter (3). Concretely, for example, the amplit... | 02/25/2003 |
| 6493024 | Signal monitoring apparatus A digital video signal monitoring apparatus comprises means (2,4,6) for receiving a digital video signal and extracting therefrom a plurality of digital signals, each of which comprises a plurality of successive digital sample values. The apparatus furthe... | 12/10/2002 |
| 6351505 | Method for determining the frequency of a signal A method for determining a frequency of a signal includes transforming the analog signal to the complex frequency range through a digital filtering, preferably a FFT, so that result vectors with amplitude and phase components are generated in the frequenc... | 02/26/2002 |
| 5873063 | LSP speech synthesis device A speech synthesis application specific integrated circuit (ASIC) based on an Line Spectrum Pair (LSP) scheme. In the ASIC, the LSP parameter is encoded and two's complement fixed-point serial pipeline arithmetic operations with rounding are performed by ... | 02/16/1999 |
| 5832413 | Generator protection system and method for phasor estimation and frequency tracking during frequency ramping A method for estimating phasors and tracking the frequency of a signal during frequency ramping is provided. The method uses a variable N-point DFT periodically to compute one or more phasors based on data acquired from one or more sampled signals. The pe... | 11/03/1998 |
| 5832414 | Generator protection system and method of compensating for errors in phasor estimation due to oscillations in discrete Fourier transform A new method of compensating for errors in phasor estimation due to oscillations caused by discrete fourier transforms used to estimate signal frequency is provided. The method uses a variable N-point DFT to compute one or more phasors based on data acqui... | 11/03/1998 |
| 5740064 | Sampling technique for waveform measuring instruments A new sampling technique for waveform measuring instruments (including methods and circuits for implementing same) comprises the step of processing a series of digital signal samples through a decimator to extract a decimated sample value from each decima... | 04/14/1998 |
| 5499391 | Digital channelized IFM receiver An instantaneous frequency measurement receiver (IFM) is used at each output of a digital channelized receiver. A Fast Frequency Transform (FFT) is used to form an instantaneous frequency measurement (IFM) receiver at every frequency component. These IFM ... | 03/12/1996 |
| 5420501 | Frequency spectrum analyzer A frequency spectrum analyzer wherein an input signal is subjected to A/D conversion, and the converted data is multiplied by a window function; and the thus processed signal is subjected to Discrete Fourier Transform; when a user specifies a desired freq... | 05/30/1995 |
| 5390536 | Apparatus for measuring surface roughness There are provided a pickup for scanning a surface of an object to be measured and for outputting an electric signal corresponding an unfiltered profile curve; and a low-pass filter for extracting low-frequency components corresponding to a waviness profi... | 02/21/1995 |
| 5300878 | Swept signal analysis instrument and method The sweep rate limitations that heretofore have constrained the maximum sweep rates of swept analysis instruments are obviated by optimizing filter circuitry and post-processing the IF signal using various techniques to compensate for errors caused by fas... | 04/05/1994 |
| 4896102 | Spectrum analyzer A spectrum analyzer for analyzing an input spectrum. The analyzer includes a down converter capable of converting blocks or portions of the input spectrum to a corresponding predetermined output band of frequencies. A stepping device associated with the d... | 01/23/1990 |
| 4866260 | Method and means for measuring the frequency of a periodic signal Frequency measurement involves anti-foldover filtering (1) of an analog signal whose frequency i.e. to be measured, followed by sampling of the filtered analog signal and analog-digital conversion of the samples, then digital band-pass filtering (3) on a ... | 09/12/1989 |
| 4833399 | DTMF receiver A DTMF receiver (10) recognizes each of a plurality of multi-frequency tones, each tone centered on a predetermined standard frequency. Two digital bandpass filters (14, 16) each have four frequency bins, each frequency bin operating according to a recurs... | 05/23/1989 |
| 4802098 | Digital bandpass oscilloscope A digital bandpass oscilloscope permits an operator to observe both time and frequency domain plots of analog signal components of frequency within a passband of selected center frequency during a time window of selected duration. The input signal is digi... | 01/31/1989 |
| 4714929 | Digital averaging filter particularly suited for use with air navigation receivers Apparatus for a digital averaging filter, particularly suited for use with an aeronautical navigation receiver, for reducing oscillatory deviation errors that appear in a course deviation voltage produced by the receiver and occur as the result of reflect... | 12/22/1987 |
| 4426729 | Partial band - whole band energy discriminator Energy in a received signal is distinguished as being whole band energy or partial band energy by comparing an average value of the received signal to a modified magnitude value of the received signal. A signal representative of the comparison result is s... | 01/17/1984 |
| 4358733 | Spectrum analyzer without distinct band-pass filter components In an n-band spectrum analyzer, separation of frequency bands is performed by n+1 low-pass (or high-pass) filters. The outputs of adjacent low-pass (or high-pass) filters are subtracted. The output of each subtraction circuit is smoothed by an accumulator... | 11/09/1982 |
