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Inventor:
Harrison; Joel N.
Address:
Monte Sereno, CA
No. of patents:
11
Patents:












Patent Number Title Of Patent Date Issued
6622164 Mass storage device with network interface September 16, 2003
A network storage device having a network controller card and a data storage device is described herein the card and storage device are either enclosed in a small from factor unit or assembled together to fit within a standard hard disk drive bay in a computer. The combination of a c
6128717 Method and apparatus for storage application programming interface for digital mass storage and October 3, 2000
A storage application programming interface (SAPI) engine is included in a hard disk drive (HDD). The SAPI engine operation is based on intelligent recognition of a plurality of different data objects characterized by type and/or size. The SAPI engine assigns a SAPI descriptor to data ob
5379439 Fixed disk drive mounted to printed circuit board January 3, 1995
A fixed disk memory subsystem connects to digital signal buses and a power supply of a host computer and includes a printed circuit board forming a subsystem mounting substrate for mounting and connecting a head and disk assembly and drive electronics. The head and disk assembly includes
5119254 Data transducer position control system for rotating disk data storage equipment June 2, 1992
A servo calibration method is disclosed for a disk drive including a rotating data storage disk journalled to a frame and having a multiplicity of concentric data tracks defined on a major surface thereof and an actuator structure under the control of a programmed servo control micro
4982296 Head and disk assembly for fixed disk drive January 1, 1991
A head and disk assembly for a fixed disk drive including control electronics and a host computer associated therewith comprises a frame and a cover for providing an interior space enclosed from the ambient; at least one data storage disk mounted within the interior space; the data s
4920434 Fixed disk drive April 24, 1990
A higher performance, higher capacity, low cost fixed (Winchester) disk drive avoids the need of a servo surface and servo channel for head positioning by use of a mass balanced rotary actuator, a polyphase optical head position transducer coupled closely to the actuator and head positio
4872074 Data transducer position control system for rotating disk data storage equipment October 3, 1989
A data storage device includes a frame, a rotating data storage disk defining a multiplicity of concentric data tracks on the major surfaces thereof and at least one data transducer head in close proximity to a said disk surface. A bidirectionally moveable electromechanical mover include
4860194 A method for using a modular unitary disk file subsystem August 22, 1989
A modular unitary disk file subsystem is used directly with a host computer. The subsystem includes a common unitary mounting substrate for power and signal connections to the host and for supplying control and data signals back via data, address and control buses to the host computer
4814909 Data transducer position control system for rotating disk data storage equipment March 21, 1989
A servo calibration method is disclosed for a disk drive including a rotating data storage disk journalled to a frame and having a multiplicity of concentric data tracks defined on a major surface thereof and an actuator structure under the control of a programmed servo control micro
4703176 Compact polyphase optical position encoder October 27, 1987
A compact polyphase optical encoder subassembly for installation in host equipment is disclosed. The subassembly includes a moveable scale; and, a unitized rotatable housing for aligning a light source, a mask and a photodetector array having at least a pair of photodetector areas sy
4639863 Modular unitary disk file subsystem January 27, 1987
A self contained fixed rotating disk expansion board subsystem may be installed and connected at an expansion slot location of a host computer. The subsystem includes an enclosed head/disk assembly, and circuit elements mounted on a printed circuit board which includes a connector for










 
 
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