1
Neal Glover, Michael J O Keeffe, S Robert Perera: Shared encoder/decoder circuits for use with error correction codes of an optical disk system. Storage Technology Partners II, Bryant R Gold, James R Young, December 31, 1985: US04562577 (77 worldwide citation)

A shared encoder/decoder circuit for use with a Reed-Solomon coding scheme of an optical disk storage system. The optical disk system includes a drive adapted to permanently store data on a removable platter. Prior to recording a data byte on the platter, the data is encoded with a Reed-Solomon code ...


2
S Robert Perera, Michael J O Keeffe: Error detection and correction in an optical storage system. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, December 30, 1986: US04633471 (52 worldwide citation)

A self-checking shared encoder/decoder circuit for use with a Reed-Solomon coding scheme of an optical disk storage system. The optical disk system includes a drive adapted to permanently store data on a removable platter. Prior to recording a data byte on the platter, the data is encoded with a Ree ...


3
Majeed Abed, Robert P McIntosh: Optical disk storage unit having a servo system with different velocity inputs. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, December 2, 1986: US04627038 (45 worldwide citation)

An optical disk storage unit has an improved access and tracking system in which a low speed velocity signal is derived from a differentiated position error signal. The output of the differentiator is applied to a blanking circuit which disconnects the steep slope portion of the position error signa ...


4
Allen T Bracken, Harold A Lunka, William J Benker, Howard A Snyder, Gary W Collins: Air shroud for data storage disks. Storage Technology Partners II, April 15, 1986: US04583213 (40 worldwide citation)

An air shroud is disclosed for reducing vibration of the disk storage medium and controlling contamination in the environment above the disk in an optical disk data recording system. The shroud is placed over the rotating disk and pressurized air is forced into the center of the air space between th ...


5
Kenneth Manes, Zahirudeen Premji, Edward White: Information recording disk cartridge protective structure. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, September 2, 1986: US04609105 (38 worldwide citation)

A protective cartridge assembly for protecting the sensitive recording surface of an information recording disk, said assembly being comprised of a cartridge housing having a pair of cartridge stand-offs attached to the inner upper surface of the cartridge housing, a cartridge tray for supporting th ...


6
David Rickert, Miklos B Marelin: Stop mechanism using an elastomeric element. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, July 29, 1986: US04603363 (37 worldwide citation)

A soft-stop mechanism for the carriage of a rotating disk storage system is presented. The mechanism consists of an assembly which is affixed to a nonmoving member of the storage system and a protruding pin on the moving carriage. The assembly has a hole at one end which the pin enters when the carr ...


7
Paul M Romano, James W Baer, James W Hargarten: Beam alignment signal processing. Storage Technology Partners II, Bryant R Gold, James R Young, February 18, 1986: US04571712 (34 worldwide citation)

A beam alignment signal processing system wherein a true beam position error signal is generated regardless of beam intensity. This beam position error signal is used within a beam alignment system that maintains a desired alignment between first and second beams traveling in parallel along a desire ...


8
George I Noyes Jr, Prabodh L Shah: Pulsed optical data detection system. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, August 18, 1987: US04688204 (32 worldwide citation)

Disclosed is a data detection system and method for accurately detecting data transition marks recorded on a recording surface. A data transition pulse, generated by a data head as recorded data transition marks pass thereby, is presented to consecutive delay circuits in order to generate first and ...


9
Karl J Stahl, Albin K Johnson, Brad R Reddersen, Alexander M Muckle: Fine and coarse servo system for access and tracking on an optical disk. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, February 14, 1989: US04805162 (31 worldwide citation)

An optical disk servo system includes a coarse access and tracking system for optical head control and a fine access and tracking system for read/write beam control. Enlarged servo tracks are pre-recorded on the optical disk between bands of data track locations. The coarse system illuminates a rela ...


10
James W Baer, Henry H Hoshiko, Robert P McIntosh, Charles M Reilly, Paul M Romano, James W Hargarten: Beam alignment system. Storage Technology Partners II, Woodcock Washburn Kurtz Mackiewicz & Norris, November 4, 1986: US04621351 (30 worldwide citation)

A beam alignment system and method for aligning a first radiation beam with respect to a second radiation beam as these beams share a desired optical path. Beam steering means, such as a galvonometer controlled mirror, steer the alignment of the first beam as it enters the shared optical path. Detec ...