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Mustafa Eroz, A Roger Hammons: Forward error correction scheme for cellular mobile radio systems using universal turbo codes. Hughes Electronics Corporation, Hughes Electronics Corporation, Patent Records Administration, February 27, 2003: US20030041297-A1 (2 worldwide citation)

A method of providing forward error correction for data services uses a parallel concatenated convolutional code which is a Turbo Code comprising a plurality of eight-state constituent encoders wherein a plurality of data block sizes are used in conjunction with said Turbo Code. A variation uses the ...


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Seishi Fujiwara, Hiroyuki Hiraiwa, Kazuhiro Nakagawa, Shouji Yajima, Norio Komine, Hiroki Jinbo: Fluorine-containing silica glass and its method of manufacture. Nikon Corporation, Morgan Lewis & Bockius, February 27, 2003: US20030037568-A1 (2 worldwide citation)

The invention relates to fluorine-containing silica glasses, and methods of their production. The silica glass may be used for an ultraviolet light optical system in which light in a wavelength region of 200 mn or less, such as an ArF (193 nm) excimer laser, is used The invention also relates to a p ...


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R Jacob Baker: Offset compensated sensing for magnetic random access memory. Dickstein Shapiro Morin & Oshinsky, February 27, 2003: US20030039162-A1 (2 worldwide citation)

An offset compensated memory element voltage supply including a differential amplifier with a compensation circuit, and a transistor with a gate connected to the output of the differential amplifier. The compensation circuit of the differential amplifier includes a compensation capacitor that stores ...


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Densen Cao: Semiconductor light source. Daniel P McCarthy, Parsons Behle & Latimer, February 27, 2003: US20030038291-A1 (2 worldwide citation)

A semiconductor light source for illuminating a physical space has been invented. In various embodiments of the invention, a semiconductor such as and LED chip, laser chip, LED chip array, laser array, an array of chips, or a VCSEL chip is mounted on a heat sink. The heat sink may have multiple pane ...


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Neal C Squibb: Portable basketball unit. Donald H Zarley & Timothy J Zarley, Zarley Law Firm, February 27, 2003: US20030040383-A1 (2 worldwide citation)

A portable basketball unit with a base, moveable support frame members rotatably connected to the base for movement between an upper position and a lower transport position, a beam supporting a backboard and rim member moveably connected to the support frame members, forward wheels with a means for ...


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Da Shan Shiu, Parvathanathan Subrahmanya, Subramanya PN Rao: Method & apparatus for W-CDMA handoff searching. QUALCOMM Incorporated, February 27, 2003: US20030039228-A1 (2 worldwide citation)

Techniques for improved handoff searching in asynchronous systems, such as W-CDMA, are disclosed. In one aspect, a two-step search procedure is used when a list of neighbor codes is known. In the first step, a received signal is correlated with a slot timing code to locate on or more pilots and the ...


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Everett R Salinas: Insertion latch and ejectable pull handle for rack mounted electronic devices. Conley Rose PC, February 27, 2003: US20030039100-A1 (2 worldwide citation)

The invention relates to an insertion latch for an ejectable pull handle system for installation of electronic devices into rack mounted computer systems. In particular, the invention comprises an insertion latch that has a compression member and a tension member that are compressed and placed in te ...


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Refining of metals. Matthey Rustenburg Refines, February 27, 2003: GB1495931-A (2 worldwide citation)

1495931 Separating Pt, Ir and Rh MATTHEY RUSTENBURG REFINERS (PTY) Ltd 6 Dec 1974 [7 Dec 1973] 56826/73 Heading C1A Platinum, Rhodium and Iridium are separated and purified from an aqueous solution of their salts by the steps of: (a) adjusting the pH, if necessary, to give an acidic solution; (b) co ...


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Matthew P Dugas: Wear pads for timing-based surface film servo heads. Advanced Research Corporation a Minnesota corporation, Daniel G Chapik, Dorsey & Whitney, February 27, 2003: US20030039063-A1 (1 worldwide citation)

A thin film magnetic recording head is provided with a tape bearing surface that has magnetically isolated channels while still providing a maximum continuous surface area with which to engage the media. This can be accomplished by providing spaces in the magnetically permeable thin film that are la ...