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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 8170820 | Virtual probing A method and apparatus for generating one or more transfer functions for converting waveforms. The method comprises the steps of determining a system description, representative of a circuit, comprising a plurality of system components, each system component compris... | 05/01/2012 |
| 8134377 | Adherable holder and locater tool A locater tool for positioning a support device for supporting a test probe head or a test probe tip, the locater tool including a template, means for indicating a support device position associated with the template, and means for indicating an achievable probing z... | 03/13/2012 |
| 8098078 | Probing blade with conductive connector for use with an electrical test probe A conductive connector includes a flexible-deflectable extension having a probing end and a head connection end. A conductive transmission path extends between the probing end and the head connection end. A pogo-rotational-action pin is electrically connected to the... | 01/17/2012 |
| 8073656 | High bandwidth oscilloscope for digitizing an analog signal having a bandwidth greater than the bandwidth of digitizing components of the oscilloscope A method for improving bandwidth of an oscilloscope involves, in preferred embodiments, the use of frequency up-conversion and down-conversion techniques. In an illustrative embodiment the technique involves separating an input signal into a high frequency content a... | 12/06/2011 |
| RE42809 | Method and apparatus for increasing bandwidth in sampled systems Systems that sample a continuous analog time-domain signal.The invention is particularly applicable to systems that sample a continuous analog time-domain signal and whose analog components have a bandwidth limit below that desired or specified. The invention has be... | 10/04/2011 |
| 7965764 | Simultaneous physical and protocol layer analysis A method and apparatus for capturing an analog waveform on a serial bus. The method comprises the steps of designating a predetermined digital data sequence, decoding a serial data signal carried on a serial data bus, and comparing the decoded serial data signal to ... | 06/21/2011 |
| 7957938 | Method and apparatus for a high bandwidth oscilloscope utilizing multiple channel digital bandwidth interleaving A method of digitizing an analog signal is provided, comprising the steps of separating the analog signal spanning a frequency range into a plurality of frequency bands, and then translating at least one of the signals to a lower frequency band in accordance with a ... | 06/07/2011 |
| 7941575 | Pause request processing for data traffic modification Apparatus and associated systems and methods may relate to a data traffic modification system that may include a processing module to handle SATA-compliant data transfers in which a source device or a target device issues requests to pause and subsequently to resume... | 05/10/2011 |
| 7940077 | Adjustable resistance In one implementation, a termination circuit may include a variable resistance circuit that comprises a resistance network in which the resistance of a parallel combination of two complementary transistors of opposite types is substantially independent of the drain-... | 05/10/2011 |
| 7899638 | Estimating bit error rate performance of signals A system for estimating bit error rates (BER) may include using a normalization factor that scales a BER to substantially normalize a Q-scale for a distribution under analysis. A normalization factor may be selected, for example, to provide a best linear fit for bot... | 03/01/2011 |
| 7865319 | Fixture de-embedding method and system for removing test fixture characteristics when calibrating measurement systems A method and system for measuring the input (loading) impedance of measurement systems using a test fixture. This is done by first measuring the characteristics of an unloaded test fixture to obtain scattering parameters of the test fixture and using a splitting alg... | 01/04/2011 |
| 7839964 | Bit pattern synchronization in acquired waveforms A waveform processing system performs operations that may include identifying a location of a specified bit pattern within a coherently sampled repeating pattern input signal. In some examples, multiple periods of a repeating pattern signal are acquired using cohere... | 11/23/2010 |
| 7791358 | Dual tip probe A locking mechanism and method for selectively fixing and allowing movement of a tip portion of a probe relative to a rigid portion of the probe are provided. The mechanism comprises a locking ball joint for selectively locking and allowing relative movement between... | 09/07/2010 |
| 7756199 | Simultaneous physical and protocol layer analysis A method and apparatus for capturing an analog waveform on a serial bus. The method comprises the steps of designating a predetermined digital data sequence, decoding a serial data signal carried on a serial data bus, and comparing the decoded serial data signal to ... | 07/13/2010 |
| 7711996 | Test system and method A method and apparatus for testing a data transfer system. The method comprises the steps of storing a first table, the first table noting at least a time of issuance of at least one command and a time of completion of the command and comparing the time of issuance ... | 05/04/2010 |
| 7711510 | Method of crossover region phase correction when summing signals in multiple frequency bands A signal processing system compensates for the relative phase difference between multiple frequency bands so that the combination of the bands is constructive throughout a substantial portion of the band overlap or crossover region. In one embodiment, a signal combi... | 05/04/2010 |
| 7707234 | Use of multiple data comparators in parallel to trigger an oscilloscope on a pattern found in a serial data stream A method and system are provided for determining a location of a predetermined N bit sequence in a data stream. The method comprises the steps of determining two N bit data words from consecutive bits of the data stream, and providing N, N bit comparators. A first N... | 04/27/2010 |
| 7671613 | Probing blade conductive connector for use with an electrical test probe A conductive connector includes a flexible-deflectable extension having a probing end and a head connection end. A conductive transmission path extends between the probing end and the head connection end. A pogo-rotational-action pin is electrically connected to the... | 03/02/2010 |
| 7663624 | Report generating method and apparatus A method, apparatus and computer program having instructions for storing information in an oscilloscope is provided. The method comprises the steps of storing a screen display in a predetermined format, storing one or more configuration settings associated with the ... | 02/16/2010 |
| 7660685 | Virtual probing A method and apparatus for generating one or more transfer functions for converting waveforms. The method comprises the steps of determining a system description, representative of a circuit, comprising a plurality of system components, each system component compris... | 02/09/2010 |
| 7659790 | High speed signal transmission line having reduced thickness regions Apparatus and associated systems and methods may include one or more features for high speed transmission line structures that may substantially reduce signal degradation due to effects, such as dielectric loss, parasitic capacitance, cross-talk, and/or reflections.... | 02/09/2010 |
| 7653514 | High bandwidth oscilloscope for digitizing an analog signal having a bandwidth greater than the bandwidth of digitizing components of the oscilloscope A method for improving bandwidth of an oscilloscope involves, in preferred embodiments, the use of frequency up-conversion and down-conversion techniques. In an illustrative embodiment the technique involves separating an input signal into a high frequency content a... | 01/26/2010 |
| 7653500 | Sequential timebase A method and apparatus for correcting for deterministic jitter in a sequential sampling timebase. The value of a fine analog delay is held at a substantially constant nominal rate during a duration of a counting of a digital clock. A time difference between a trigge... | 01/26/2010 |
| 7634693 | Method and apparatus for analyzing serial data streams An apparatus and method for processing a data signal is provided. An acquisition unit of a test instrument acquires a data signal for a predetermined time. The data signal is stored in a memory of the test instrument and a clock recovery unit recovers a clock signal... | 12/15/2009 |
| 7595628 | Probing apparatus for illuminating an electrical device under test A probe for probing an electrical device under test is provided. The probe comprises a selectively positionable door defining a recessed compartment and a light source positioned within the recessed compartment. When the door is in a first position, the compartment ... | 09/29/2009 |
| 7589728 | Digital oscilloscope display and method for image quality improvement A method and apparatus for displaying an acquired signal on an oscilloscope. The method comprises the steps of acquiring an analog signal, digitizing the analog signal and determining a plurality of samples generated by the digitizing that are to be represented by a... | 09/15/2009 |
| RE40802 | Digital frequency response compensator and arbitrary response generator system A digital signal processing system capable of compensating for frequency response variations and generating a response characteristic that complies with a provided specification. The system automatically generates digital filters to provide this compensation with al... | 06/23/2009 |
| 7535394 | High speed arbitrary waveform generator A high-speed arbitrary waveform generator (AWG) that utilizes multiple digital-to-analog converters (D/A converters) and overcomes bandwidth limitations of individual D/A converters to produce high-speed waveforms. ... | 05/19/2009 |
| 7529258 | Method and system for cascading analyzer trace memories Cascaded analyzer trace memories are described herein. According to one embodiment, the method comprises receiving a packet stream in a master analyzer and a slave analyzer, wherein the master analyzer includes a first trace memory, and wherein the slave includes a ... | 05/05/2009 |
| 7525328 | Cap at resistors of electrical test probe A lossy dielectric device dissipates, absorbs, and/or dampens electric fields. The lossy dielectric device may be used with any transmission path, such as a transmission line or resistor in a probe head. The lossy dielectric device preferably includes a lossy dielec... | 04/28/2009 |
| 7519874 | Method and apparatus for bit error rate analysis A method and apparatus for determining a bit error rate. The method comprises the steps of acquiring a data signal by an acquisition unit of a test instrument for a predetermined period of time, and storing the data signal in a memory of the test instrument. A clock... | 04/14/2009 |
| 7519513 | High bandwidth real time oscilloscope A method and apparatus for digitizing a data signal, the method comprising the steps of receiving an input analog data signal, splitting the received input analog data signal into a plurality of split signals, and mixing at least one of the split signals with a pred... | 04/14/2009 |
| 7516030 | Measuring components of jitter Apparatus and associated systems, methods and computer program products relate to isolating horizontal jitter component(s) from vertical jitter component(s). In preferred embodiments, at least one horizontal component of jitter is distinguished from at least one com... | 04/07/2009 |
| 7514997 | Common mode regulation for thermal tail compensation A waveform processing system, and associated methods and apparatus, may include a common mode feedback compensation circuit to adjust a voltage supplied to a differential circuit so as to substantially reduce or eliminate signal distortion associated with thermal ta... | 04/07/2009 |
| 7505039 | Track of statistics A method and apparatus for generating a statistic based upon a persistence data is provided. The method comprises the steps of defining a plurality of slices of data comprising a persistence data and generating a histogram of the data within each of the plurality of... | 03/17/2009 |
| 7504886 | Thermal tail compensation A waveform processing system may include a compensation circuit to adjust a voltage supplied to an output stage, wherein a supplied voltage is controlled to substantially maintain constant power dissipation in the output stage, and wherein the compensation circuit i... | 03/17/2009 |
| 7492177 | Bendable conductive connector A conductive connector includes a bendable, shape retainable extension having a first end and a second end. The first end is integral with the probing head. The test point connector is integral with said second end. The test point connector is for making electrical ... | 02/17/2009 |
| 7466247 | Fractional-decimation signal processing Methods for processing waveforms may include decimating an over-sampled waveform by identifying samples for which the sample's position within a data period indicates that is closest to a selected time within a data period. In some example applications, the selected... | 12/16/2008 |
| D581821 | Housing for test and measurement instrument | 12/02/2008 |
| 7450043 | Method of compensating for deterministic jitter due to interleave error A system and method for compensation of deterministic jitter in measurements made when utilizing a plurality of time interleaved analog-to-digital converters (ADCs). The system includes edge timing measurement error information for each of the plurality of time inte... | 11/11/2008 |
