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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 8028582 | Marker detection apparatus and marker detection method A marker detection apparatus detects a marker attached to a target sample from samples flowing in a sample flow, including: an electric field formation section that forms a quasi-electrostatic field in a path of the sample flow; and a detection section that detects,... | 10/04/2011 |
| 7819013 | Method and apparatus for measuring oscillation amplitude of an ultrasonic device An apparatus and method for detecting the oscillation amplitude of a bonding tool includes a sensing unit disposed adjacent to and at a distance from the bonding tool. The sensing unit includes a pair of electrodes, a piezoelectric sensing layer located between the ... | 10/26/2010 |
| 7430911 | Method of detecting and analyzing changes in the external loading conditions of a structure A method for both detecting and analyzing a change in the loading condition of a structure. A flexible substrate is employed, in which a distributed network of sensors is built. This substrate is either affixed to the surface of the structure, or built within it, so... | 10/07/2008 |
| 7372255 | Detection of the instantaneous position of a linearly reciprocating member using high frequency injection A piston position sensing circuit for sensing the instantaneous position of a piston of a free piston Stirling machine or a compressor mechanically connected to a reciprocating member of a linear electric motor or alternator. A source of a high frequency, alternatin... | 05/13/2008 |
| 7352198 | Methods and apparatuses for improved stabilization in a probing system Improved methods and apparatuses for automatically and accurately maintaining the alignment of a wafer prober to the bonding pads of a semiconductor device in the presence of motion disturbances are provided. In one embodiment of one aspect of the invention, a feedb... | 04/01/2008 |
| 7324919 | Apparatus for analysing the condition of a machine An apparatus for analysing the condition of a machine having a rotating shaft, includes: at least one input for receiving measurement data from a sensor for surveying a measuring point of the machine, the measurement data being dependent on rotation of the shaft; an... | 01/29/2008 |
| 7321735 | Optical down-converter using universal frequency translation technology A method and system for converting an optical signal to electrical information signals, including demodulated baseband information signals and modulated baseband signals at multiple harmonics. In an embodiment, the optical information signal is amplitude modulated w... | 01/22/2008 |
| 7318350 | Valve monitoring system and method A valve monitoring system includes an alert generation system and a memory. The memory encodes baseline acoustic emission data on the valve for a predetermined period of operation. The alert generation system is arranged to receive acoustic emission data for the val... | 01/15/2008 |
| 7295826 | Integrated frequency translation and selectivity with gain control functionality, and applications thereof Methods and apparatuses for frequency selectivity and frequency translation, and applications for such methods and apparatuses, are described herein. The method includes steps of filtering an input signal, and down-converting the filtered input signal. The filtering... | 11/13/2007 |
| 7293454 | Anti-aliasing acoustic filter in the presence of pulsating flow An exhaust flow measurement system uses a noise attenuation device to cancel exhaust gas pulsations at the harmonic frequency of a flow rate measurement transducer. ... | 11/13/2007 |
| 7292835 | Wireless and wired cable modem applications of universal frequency translation technology Frequency translation and applications of same are described herein, including cable modem applications. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, enhanced signal reception, unified down-conversion and fil... | 11/06/2007 |
| 7280072 | System for the relative navigation of aircraft and spacecraft using a phased array antenna A system for the relative navigation of aircraft and spacecraft is disclosed which uses a series of short duration, unmodulated radio pulses transmitted from a phased array antenna. The aircraft or spacecraft whose position is to be determined from another is called... | 10/09/2007 |
| 7248975 | Real time monitoring of particulate contamination in a wafer processing chamber An apparatus and method for use is described which permits real time monitoring of build-up of particulate contamination in a wafer processing chamber. The apparatus is capable of monitoring particle build up in regions of a processing chamber which are not accessib... | 07/24/2007 |
| 7228743 | Light powered pressure gauge An extremely low power transducer for use with a meter is able to be powered by miniature solar cells to measure and display a physical quantity such as pressure, force, level or distance. The transducer provides a variable capacitance to an electronic circuit that ... | 06/12/2007 |
| 7216554 | Physical quantity sensor having enhanced temperature compensation capability A physical quantity sensor according to the invention includes a first member, a second member, a sensing member, a temperature detector, a correcting circuit, and a heat conduction path thermally connecting the sensing member and the temperature detector. The sensi... | 05/15/2007 |
| 7210356 | Physical agents directive dosimeter system A portable physical agents directive (PAD) dosimeter system may be provided. The portable PAD dosimeter system may include a housing and at least one accelerometer configured to generate electrical signals corresponding to a vibration exposure of an operator of a wo... | 05/01/2007 |
| 7200519 | Analysis system for analyzing the condition of a machine A system for analyzing the condition of a machine having a rotating shaft and a machine body with a measuring point includes a client part communicating with a supplier part computer via a communications network. The client part includes a sensor attachable at the m... | 04/03/2007 |
| 7167814 | Analysis system for analyzing the condition of a machine An apparatus for analyzing the condition of a machine, comprising: at least one input for receiving measurement data from a sensor for surveying a measuring point of the machine; data processing means for processing condition data dependent on said measurement data;... | 01/23/2007 |
| 7163227 | Multi-position track width sensor for self-propelled agricultural sprayers A multi-position track width sensor for agricultural sprayers wherein a piston rod position sensor is connected to each of the adjustable axle members of the front and rear axle assemblies of the sprayer. A display panel is mounted in the cab of the sprayer and incl... | 01/16/2007 |
| 7143012 | Method and device for filtering signals produced by an accelerometer of the piezo-electric type, and application to a portable object such as a watch The invention concerns a method for filtering signals (Vin) generated by a piezo-electric type accelerometer in response to detection of a shock applied to an object to which the accelerometer is connected, this method characterised in that it ensures, du... | 11/28/2006 |
| 7141988 | Capacitive position sensor and sensing methodology A simple and robust variable coaxial capacitive sensor and detection method for monitoring the position of a rapidly reciprocating member such as a piston or displacer in a free piston Stirling engine. The coaxial capacitor of the present invention in a preferred em... | 11/28/2006 |
| 7131315 | Methods and apparatus for reducing vibration rectification errors in closed-loop accelerometers Systems and methods for minimizing vibration rectification error (VRE) for a closed-loop accelerometer. In one embodiment, the method includes applying a known vibration signal to the closed-loop accelerometer along a first axis and adjusting a feedback gain setting... | 11/07/2006 |
| 7111981 | Instrument for non-contact infrared temperature measurement combined with tachometer functions A handheld instrument that accomplishes non-contact infrared (IR) temperature measurement, and the measurement of movement of an object. The instrument has a case, and a movement-sensing device coupled to the case and operable to be directed toward or placed against... | 09/26/2006 |
| 7110435 | Spread spectrum applications of universal frequency translation Frequency translation and spread spectrum applications of same are described herein. Such applications include, but are not limited to, unified down-conversion and de-spreading, unified up-conversion and spreading, RAKE receivers utilizing unified down-conversion an... | 09/19/2006 |
| 7110444 | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations Frequency translation and applications of the same are described herein, including RF modem and wireless local area network (WLAN) applications. In embodiments, the WLAN invention includes an antenna, an LNA/PA module, a receiver, a transmitter, a control signal gen... | 09/19/2006 |
| 7081757 | Re-locatable partial discharge transducer head An apparatus (10) for detecting the occurrence of partial discharge in electrical equipment, such as high voltage transformers. The apparatus comprises a detecting means including an ultrasonic transducer (11) mounted at one end of an electrically insu... | 07/25/2006 |
| 7081824 | Track monitoring equipment The alignment of railway tracks may be monitored using an accelerometer (36) mounted on a bogie (24) of a railway vehicle to detect lateral accelerations, and a displacement transducer (38) to monitor the lateral displacements of a wheelset (... | 07/25/2006 |
| 7082171 | Phase shifting applications of universal frequency translation A universal frequency translation module (UFT) frequency translates an electromagnetic (EM) input signal by sampling the EM input signal according to a periodic control signal (also called an aliasing signal). By controlling the relative sampling time, the UFT modul... | 07/25/2006 |
| 7072390 | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments Frequency translation and applications of the same are described herein, including RF modem and wireless local area network (WLAN) applications. In embodiments, the WLAN invention includes an antenna, an LNA/PA module, a receiver, a transmitter, a control signal gen... | 07/04/2006 |
| 7061387 | Measurement instrument, especially for level or pressure measurement with speech assistance The invention relates to a measurement instrument, especially for level and pressure measurement with a controller (9), which is connected to a memory unit (8), an input unit (11), and also an output unit (12). Here, the output unit (1... | 06/13/2006 |
| 7054296 | Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation Frequency translation and applications of same are described herein, including wireless local area network (WLAN) applications such as IEEE Standard 802.11 WLANs. Such applications include, but are not limited to, frequency down-conversion, frequency up-conversion, ... | 05/30/2006 |
| 7039372 | Method and system for frequency up-conversion with modulation embodiments A method and system is described wherein an information signals is gated at a frequency that is a sub-harmonic of the frequency of the desired output signal. In the modulation embodiments, the information signal is modulated as part of the up-conversion process. In ... | 05/02/2006 |
| 7035773 | Appendable system and devices for data acquisition, analysis and control An appendable system includes a plurality of appendable devices that are adapted to interoperate with each other and/or a workstation via a communication network to monitor and/or control a process. Each of the appendable devices can communicate with one or more sen... | 04/25/2006 |
| 7027786 | Carrier and clock recovery using universal frequency translation Coherent detection of a received EM signal using universal frequency translation (UFT) is described herein. The received EM signal is sampled according to a sub-harmonic LO signal, where the LO signal is in frequency and phase coherence with the received EM signal. ... | 04/11/2006 |
| 7013287 | Stock preparation monitoring system and method of same A stock preparation system includes a stock preparation apparatus and a sensor coupled with the stock preparation apparatus. The sensor is configured for sensing a physical parameter associated with the stock preparation apparatus, and includes a wireless transmitte... | 03/14/2006 |
| 7010286 | Apparatus, system, and method for down-converting and up-converting electromagnetic signals Methods, systems, and apparatuses for down-converting and up-converting an electromagnetic signal. In embodiments, the invention operates by receiving an electromagnetic signal and recursively operating on approximate half cycles of a carrier signal. The recursive o... | 03/07/2006 |
| 7006805 | Aliasing communication system with multi-mode and multi-band functionality and embodiments thereof, such as the family radio service A receiver having multi-mode and multi-band functionality and capabilities is described herein. The receiver is capable of selectively operating over a plurality of bands and channels. The receiver operates in a plurality of modes, including but not limited to a sin... | 02/28/2006 |
| 7006000 | Earthquake detecting and warning device An earthquake detecting and warning device for detecting a vibration of the earth's surface is provided. The device includes a base, a top cover, at least a contact-conducting piece, a detecting and warning circuit, a shelling body and an elastic supporting componen... | 02/28/2006 |
| 6959484 | System for vibration control A vibration control system comprising an actuator, and a sensor useful for controlling vibrations in systems for fabricating electronics equipment. The actuator may comprise one or more plates or elements of electro-active material bonded to an electroded sheet.... | 11/01/2005 |
| 6950782 | Model-based intelligent diagnostic agent The present invention provides a multi-level model-based intelligent agent diagnosis system and method for computer-controlled machinery operative to reduce the complexity typically associated with conventional model based diagnostic systems. The system utilizes a p... | 09/27/2005 |
