1
Mark L Denekamp, Marwan Hannon: Integrated cargo security system. David B Harrison, June 7, 1988: US04750197 (436 worldwide citation)

An integrated cargo transportation security system is provided for a fleet of enclosed cargo transportation containers. Each container includes a subsystem including a door sensor for sensing access door opening and closure, a module unit including a connecting frame for a removable module and cabli ...


2
Robert D Widergren, Wen Hsiung Chen, Stanley C Fralick, Andrew G Tescher: Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback. Compression Labs, David B Harrison, November 24, 1981: US04302775 (415 worldwide citation)

A digital video compression system and its methods for compressing digitalized video signals in real time at rates up to NTSC color broadcast rates are disclosed. The system compressor receives digitalized video frames divided into subframes, performs in a single pass a spatial domain to transform d ...


3
David I Dunthorn: Virtual button for touch screen. David B Harrison, April 3, 1990: US04914624 (361 worldwide citation)

Apparatus and methods for creating a virtual push button comprise a touch sensitive orthogonal data field input device useably connected within a computing system in which a touch action at the device generates a stream of data related to the location within the field of the touch action. The orthog ...


4
Robert D Widergren, Wen Hsiung Chen, Stanley C Fralick, Andrew G Tescher: Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback. Compression Labs, David B Harrison, July 19, 1983: US04394774 (268 worldwide citation)

A digital video compression and expansion system and its methods for compressing and expanding digitalized video signals in real time at rates up to NTSC color broadcast rates are disclosed. The system compressor receives digitalized video frames divided into subframes, performs in a single pass a s ...


5
Paul A Swearingen, Stanley H Shepherd: System for self-servowriting a disk drive. Quantum Corporation, David B Harrison, Debra A Chun, September 16, 1997: US05668679 (223 worldwide citation)

A servowriter capable of non-invasively servowriting a magnetic recording disk drive controls the drive's on-board electro-mechanical head-position actuator system and read/write interface to self-servowrite the target drive. A head within the drive is used to write, open loop, a set of spiral track ...


6
Marwan Hannon, Mark L Denekamp: Integrated cargo security system. David B Harrison, August 18, 1987: US04688244 (212 worldwide citation)

An integrated cargo transportation security system is provided for a fleet of enclosed cargo transportation containers. Each container includes a subsystem including a door sensor for sensing access door opening and closure, a module unit including a connecting frame for a removable module and cabli ...


7
Kevin D Fisher: PRML sampled data channel synchronous servo detector. Quantum Corporation, David B Harrison, January 24, 1995: US05384671 (169 worldwide citation)

A synchronous servo data detection subsystem for a PRML sampled data channel of a hard disk drive including a plurality of radially extending servo sectors embedded on a rotating data storage surface. Each servo sector includes a servo synchronization field, a synchronous servo address mark field, a ...


8
Michael R Hatch, Willilam G Moon: Data head load beam for height compacted, low power fixed head and disk assembly. Quantum Corporation, David B Harrison, June 25, 1991: US05027241 (161 worldwide citation)

A data transducer head mounting structure for a height compacted, low power head and disk assembly of a fixed disk data storage subsystem has an elongated load beam including a head arm attachment end region for attachment to an outward end of an acuator head arm; a leaf spring loading region; a fle ...


9
William L Abbott, Hung C Nguyen, Kenneth E Johnson: Disk drive using PRML class IV sampling data detection with digital adaptive equalization. Quantum Corporation, David B Harrison, August 23, 1994: US05341249 (161 worldwide citation)

A class IV partial response, maximum likelihood data channel for a disk drive includes an encoder connected to a data sequencer for converting user data blocks into a predetermined 8/9ths code such as a (0,4,4,) code. A precoder converts the 8/9ths code into class IV code. An analog write driver sup ...


10
Ronald R Moon, Michael G Machado, Thomas G Cooper, Patrick M Weiher, Curtis H Bruner, Mark E Strysko, Gregg J Uhlendorf, Steven G Campbell, Tuong T Quan, Hoa V Luong: High capacity disk file with embedded sector servo. Quantum Corporation, David B Harrison, May 26, 1987: US04669004 (159 worldwide citation)

A high performance, low cost rotating disk data storage subsystem includes a head and disk assembly. A plurality of sectors in data tracks include a servo portion containing a prerecorded pattern of a plurality of repeating, time staggered, non-phase-coherent bursts, each burst having a predetermine ...



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