41
Tetsuo Endoh, Riichiro Shirota, Kazunori Ohuchi, Ryouhei Kirisawa, Seiichi Aritome, Tomoharu Tanaka, Yoshiyuki Tanaka: Electrically erasable and programmable non-volatile memory system with write-verify controller using two reference levels. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustradt, November 21, 1995: US05469444 (124 worldwide citation)

An EEPROM includes an array of memory cell transistors, which is divided into cell blocks each including NAND cell units of series-connected cell transistors. A sense amplifier is connected to bit lines and a comparator. A data-latch circuit is connected to the comparator, for latching a write-data ...


42
Joseph H Vargas III: Biomedical cement bonding enhancer. John J Welch, November 21, 1995: US05468245 (124 worldwide citation)

A method and apparatus for filling a shaft bored into human femoral bone during hip replacement surgery with gelatinous methyl methacrylate bonding cement for receipt of an artificial hip prothesis so as to maximally preventing loosening of the prosthesis after hardening of the cement consisting of ...


43
Frederic Bimbot, Luc Mathan: Process for measuring the resemblance between sound samples and apparatus for performing this process. France Telecom Establissement Autonome de Droit Public, Oblon Spivak McClelland Maier & Neustadt, November 21, 1995: US05469529 (122 worldwide citation)

A process and apparatus for measuring the resemblance between sound samples incorporating a learning phase and a test phase, each having a digital acquisition and preprocessing stage, an order p acoustic analysis stage and a p.times.p covariance matrix calculating stage with respect to the resulting ...


44
Thomas V Saliga: Electronic tag with source certification capability. David Kiewit, November 21, 1995: US05469363 (121 worldwide citation)

An inventory control system uses an electronic tag that keeps an unalterable log of each step in the handling of a controlled item, which may be a flight safety critical aircraft replacement part. The tag is electrically powered via an inductive coupling to a computer with which it communicates, and ...


45
Tom Salt, Rodney Drake: Code protection in microcontroller with EEPROM fuses. Microchip Technology Incorporated, O Connor Cavanagh, November 21, 1995: US05469557 (121 worldwide citation)

A semiconductor microcontroller device is adapted to control the operation of an external system. The device includes a CPU, program memory for storing instructions to be executed by the CPU to perform its control functions, and data memory for storing data for selective retrieval by the CPU. The co ...


46
David L Rawlings: Optical fiber support for printed circuit boards. Porta Systems, Hoffmann & Baron, November 21, 1995: US05469526 (119 worldwide citation)

An arrangement for supporting an optical fiber and related optical components in a raised position above a surface of a printed circuit board on which electrical components are mounted includes a support which defines an endless, oval raceway for receiving one or more optical fibers, legs mounted on ...


47
Albert K Chin, John P Lunsford: Endoscopic inflatable retraction devices for separating layers of tissue. Origin Medsystems, Ian Hardcastle, Limbach & Limbach, November 21, 1995: US05468248 (118 worldwide citation)

A system for separating a first layer of tissue from a second layer of tissue and for maintaining separation of the first layer of tissue from the second layer of tissue while providing access to at least one of the layers of tissue. The system comprises a main envelope which defines a main inflatab ...


48
John T Archambeault, David J Gasmovic, Morio Mizuno: Wireless remote boring apparatus guidance system. McLaughlin Manufacturing Company, Dority & Manning, November 21, 1995: US05469155 (117 worldwide citation)

Guidance system for an underground boring device that includes a receiver for signals from a signal generator associated with an underground boring head. A wireless transmitter is provided for transmitting the information about the boring head from a boring head location to an initial location where ...


49
Douglas J Blew, Bruce J Carlson: Composite fiber optic and electrical cable and associated fabrication method. CommScope, Bell Seltzer Park & Gibson, November 21, 1995: US05469523 (115 worldwide citation)

A composite fiber optic and electrical cable having a core which loosely contains at least one optical fiber, a pair of copper clad steel electrical conductors having an outer polymer insulating layer, and a polymer jacket. The jacket is made of a polymer material having a melting temperature lower ...


50
John R Powers III, James E Palmer, Patricia J Coleman, Jeffrey A Herman, Eli Cochran: Method and apparatus for generating and displaying multiple simultaneously-active windows. Apple Computer, Blakely Sokoloff Taylor & Zafman, November 21, 1995: US05469540 (115 worldwide citation)

The display system includes at least one central processing unit (CPU) which is coupled through appropriate input/output (I/O) circuitry to input devices, such as a keyboard, digital pad, mouse and/or trackball. The CPU is coupled to a hard disk drive for the storage of programs and data, and may al ...



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