1
Fred Thomas Fred Thomas
Fred C Thomas III: Retroreflective marker for data storage cartridge. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, June 10, 1997: US05638228 (55 worldwide citation)

A cartridge for a data storage disk drive has a retroreflective marker. Light from a source is reflected from the marker almost exactly on its incident path. This property makes possible unique identification of the cartridge with minimal senstivity to light reflected from other surfaces. The marker ...


2
Fred Thomas Fred Thomas
Fred C Thomas III: Thin retroreflective marker for data storage cartridge. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, November 16, 1999: US05986838 (37 worldwide citation)

A cartridge for a data storage disk drive has a thin retroreflective marker. Light from a source is reflected from the marker almost exactly on its incident path. A planar light shaping optical structure such as a holographic light shaping diffuser (LSD) ruled or blazed diffraction grating, holograp ...


3
Fred Thomas Fred Thomas
Fred C Thomas III: Thin retroreflective marker for identifying an object. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, September 18, 2001: US06292319 (36 worldwide citation)

A cartridge for a data storage disk drive has a thin retroreflective marker. Light from a source is reflected from the marker almost exactly on its incident path. A planar light shaping optical structure such as a holographic light shaping diffuser (LSD) ruled or blazed diffraction grating, holograp ...


4
Fred Thomas Fred Thomas
Fred C Thomas, Don W Wallentine, James Bero, Scott Wilson: Acousto-optical intensity control of laser beam during etching of optical servo information of magnetic media. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, January 18, 1994: US05279775 (35 worldwide citation)

The intensity of a beam of light used to etch concentric servo tracks on a magnetic medium is adjusted with an acousto-optical device to maintain a substantially constant energy density delivered by the beam while the optics which generate the beam move radially of the disk.


5
Fred Thomas Fred Thomas
Yiping Ma, Edward L Rich, Fred C Thomas III, David W Griffith: Head loading mechanism for a disk drive. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, November 3, 1998: US05831795 (26 worldwide citation)

A head loading mechanism for a removable cartridge disk drive comprises a support base fixedly mounted in the drive, and a moveable member movably attached to the support base via a pair of elongate flexures. The moveable member has a ramped surface adapted to engage a suspension arm at the distal e ...


6
Fred Thomas Fred Thomas
Fred C Thomas, Don W Wallentine, James Bero, Scott Wilson: Steering laser beam while etching optical servo tracks for magnetic disks. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, February 1, 1994: US05283773 (26 worldwide citation)

A beam of light used to etch servo tracks on a magnetic disk is steered with an acousto-optical device to maintain the beam in concentrical patterns while mechanically moving the optics which generate the beam of light continuously radially of the disk.


7
Fred Thomas Fred Thomas
Fred C Thomas III, Glenn B Dixon: Latent illuminance discrimination marker system for data storage cartridges. Iomega Corporation, Woodcock Washburn Kurtz MacKiewicz & Norris, July 18, 2000: US06091563 (19 worldwide citation)

A data storage cartridge for a data storage disk drive has a latent illuminance marker. A light source illuminates the marker and the marker emits illuminance as phosphorescence. A photosensor detects the emitted illuminance, and the decay time is determined. The decay time is checked to provide ide ...


8
Fred Thomas Fred Thomas
Fred C Thomas III: Readable indelible mark on storage media. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, November 27, 2001: US06324026 (14 worldwide citation)

A storage media is disclosed and comprises a storage body and a readable indelible mark formed in the body such that portions thereof are indelibly altered. The mark is read by writing first data to the body in the region of the mark, and reading second data from the body in such region. The written ...


9
Fred Thomas Fred Thomas
Fred C Thomas III, Glenn B Dixon, Todd R Shelton, Todd L Graves: Latent illuminance discrimination marker for data storage cartridges. Iomega Corporation, Woodcock Washburn Kurtz Mackiewicz & Norris, July 24, 2001: US06266211 (14 worldwide citation)

A data storage cartridge for a data storage disk drive has a latent illuminance marker. A light source illuminates the marker and the marker emits illuminance as phosphorescence. A photosensor detects the emitted illuminance, and the decay time is determined. The decay time is checked to provide ide ...


10
Fred Thomas Fred Thomas
Fred C Thomas III, Glenn B Dixon, Todd R Shelton, Todd L Graves, Allen T Bracken: Latent illuminance discrimination marker system for data storage cartridges. Iomega Corporation, Woodcock Washburn, March 19, 2002: US06359745 (11 worldwide citation)

A data storage cartridge for a data storage disk drive has a latent illuminance marker. A light source illuminates the marker and the marker emits illuminance as phosphorescence. A photosensor detects the emitted illuminance, and the decay time is determined. The decay time is checked to provide ide ...



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