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Michael C McGrath, Joseph C Cardona, Dan Cautis: Removable disk to drive engagement. Avatar Systems, George W Finch, June 3, 1997: US05636095 (22 worldwide citation)

An engagement interface between a removable cartridge containing a rigid disk for storage of data and a disk drive. The cartridge includes an opening for a hub of the disk for spinning and the disk drive has a magnetic spindle with connecting mechanism for extending the spindle into contact with the ...


2
Joel Wacknov, Randall W Brumbaugh, Paul D Chancellor, Kenneth W Keller, David J McShane: Advanced low voltage lighting system. Avatar Systems, Ocean Law, Paul D Chancellor Esq, December 30, 2008: US07471051 (22 worldwide citation)

Disclosed is a lighting system supporting multiple independently controlled zones utilizing a plurality of semiconductor switches coupled to a plurality of transformers to produce a non-sinusoidal power output and controlled by a digital controller that receives feedback from each zone in order to a ...


3
Robert P Hoppe: Self sealing structure for a removable disk hard disk drive. Avatar Systems, George W Finch, November 25, 1997: US05691860 (20 worldwide citation)

Sealing structures are provided to prevent contamination entry into a removable disk cartridge hard disk drive. The outer end of the cartridge is fitted with a seal abutment structure, which is slightly wider and thicker than the rest of the cartridge. The seal abutment structure has a chamfered rin ...


4
Kenneth J Nelson, Michael C McGrath, Timothy O Avery: Immobilizer for a data storage disk in a cartridge using an overcenter spring. Avatar Systems Corporation, Pillsbury Madison & Sutro, July 9, 1996: US05535081 (10 worldwide citation)

An engagement interface between a removable cartridge containing a rigid disk for storage of data and a disk drive that maintains the disk immobilized during insertion into the disk drive so that the drive can be oriented in any direction with respect to gravity. The cartridge includes an opening fo ...


5
Michael C McGrath: Motor support assembly for a disk drive. Avatar Systems Corporation, Pillsbury Madison & Sutro, April 30, 1996: US05513055 (5 worldwide citation)

A support assembly for the motor of a removable cartridge disk drive which positively elevates and retracts the spindle thereof for connection and disconnection from the hub of the disk without requiring electrical power for the operation. The support assembly includes a pair of cams on siding membe ...


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Robert F Hoppe: Splitting cartridge and the removable cartridge disk drive in which it is used. Avatar Systems, George W Finch, April 20, 1999: US05896356

A disk drive with removable cartridges that is designed for laptop and notebook sized computers which are battery powered. The drive includes a disk cartridge that upon insertion into the disk drive is split open to move an underside portion down over a disk drive spindle where the disk, having been ...


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