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Robin Mark Adrian Dawson, Michael Gillis Kane, James Ya Kong Hsu, Fu Lung Hsueh, Alfred Charles Ipri, Roger Green Stewart: Active matrix light emitting diode pixel structure and concomitant method. Sarnoff Corporation, William J Burke, May 8, 2001: US06229506 (633 worldwide citation)

A LED pixel structure that reduces current nonuniformities and threshold voltage variations in a “drive transistor”of the pixel structure is disclosed. The LED pixel structure incorporates a current source for loading data into the pixel via a data line. Alternatively, an auto zero voltage is determ ...


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Mohamed K Diab, Walter M Weber, Ammar Al Ali: Method and apparatus for demodulating signals in a pulse oximetry system. Masimo Corporation, Knobbe Martens Olson & Bear, May 8, 2001: US06229856 (534 worldwide citation)

A method and an apparatus measure blood oxygenation in a subject. A first signal source applies a first input signal during a first time interval. A second signal source applies a second input signal during a second time interval. A detector detects a first parametric signal responsive to the first ...


3
Karl M J Lofgren, Robert D Norman, Gregory B Thelin, Anil Gupta: Wear leveling techniques for flash EEPROM systems. Sandisk Corporation, May 8, 2001: US06230233 (504 worldwide citation)

A mass storage system made of flash electrically erasable and programmable read only memory (“EEPROM”) cells organized into blocks, the blocks in turn being grouped into memory banks, is managed to even out the numbers of erase and rewrite cycles experienced by the memory banks in order to extend th ...


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Kurt M Campisano: Cardless payment system. First USA Bank NA, Hunton & Williams, May 8, 2001: US06227447 (486 worldwide citation)

A Credit Card holder's telephone number is assigned to his or her credit card as an alias. The cardholder is then required to choose a PIN for security purposes. The telephone number is linked to the cardholder's credit card number via a database. When the cardmember enters into a transact ...


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Colin C O Goble: Electrosurgery system and method. Gyrus Medical, Oliff & Berridge, May 8, 2001: US06228081 (467 worldwide citation)

An electrosurgical generator has output terminals for connection to active and return electrodes respectively of an electrosurgical instrument and, connected to the output terminals via at least one isolation capacitor, a radio frequency (r.f.) source which may be pulsed by a pulsing circuit. To per ...


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Steven A Weiss: Multi-line, multi-reel gaming device. Casino Data Systems, Bernhard Kreten, May 8, 2001: US06227971 (451 worldwide citation)

A gaming device and method that allows a primary display and secondary display to be correlated to the extent that symbols of the primary display have vectors which direct that symbol associated with the vector onto the secondary display. The secondary display remains constant through successive gam ...


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David Lee Gines: Electrosurgical generator with adaptive power control. Sherwood Services, May 8, 2001: US06228080 (444 worldwide citation)

An electrosurgical generator has an output power control system that causes the impedance of tissue to rise and fall in a cyclic pattern until the tissue is desiccated. The advantage of the power control system is that thermal spread and charring are reduced. In addition, the power control system of ...


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Mark L Yoseloff: Match symbol side bet game. Shuffle Master, Mark A Litman & Associates P A, May 8, 2001: US06227969 (420 worldwide citation)

A side game with potential wagering is provided along with an underlying game. The side game may include the use of symbols or cards or card figures, and may be played live, on video gaming apparatus, or with a combination of live play and various display means, including, but not limited to, cathod ...


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Michael John Lands, Stephen Wade Lukianow, Donald Robert Loeffler, James Steven Cunningham, Kate Ryland Lawes, Daniel Lee Trimberger II, Mathew Erle Mitchell, Jenifer Serafin Kennedy: Laparoscopic bipolar electrosurgical instrument. Sherwood Services, May 8, 2001: US06228083 (398 worldwide citation)

A laparoscopic bipolar electrosurgical instrument can apply a large closure force between its jaws without damaging the small yoke assembly. The instrument comprises: a first jaw having a first flange with a first slot, and a second jaw having a second flange with a second slot, wherein the first an ...


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