Inventor
Marvin B. Davis
Inventor
Colorado Springs, CO, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer74%
H02KDynamo-electric machines26%
PatentTitleYear
6,418,097'Analog to digital converter assembly for normalizing servo error signals and multiplexing reference voltage inputs and digital outputs and improved optical drive system including same'20026,411,584'Cartridge loading apparatus and methods of manufacturing and operating same'20026,266,306'Analog to digital converter and assembly for use in optical drive system to normalize servo error signals and multiplex reference voltage inputs and digital outputs'20016,243,336'Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal and focus capture method for use in same'20016,201,659'Cartridge-loading apparatus with tilting bias coil assembly'20016,167,023'Releasable disc adaptor for conforming central hub of information storage disc to standardized disc drive spindle'20006,122,232'Isolation apparatus for use in disc drive system to mitigate effects of undesired mechanical forces and disc drive system including same'20006,058,081'Optical drive system having servomotor operated relative to maximum quad sum signal'20006,009,061'Cartridge-loading apparatus with improved base plate and cartridge receiver latch'19995,920,539'Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor'19995,729,511'Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal'19985,724,331'Disk drive system having improved cartridge-loading apparatus including direct drive gear train and methods for making and operating same'19985,703,857'Cartridge-loading apparatus with improved cartridge receiver'19975,684,776'Cartridge-loading apparatus with improved parking arm'19975,060,106'Disk cartridge including door opening mechanism and improved hub assembly'19914,823,214'Disk drive for cartridge disks'19894,791,511'Disk cartridge with slide door engageable in either of two orientations'19884,745,500'Disk drive for cartridge disks'19884,740,949'Laser access apparatus for optical disk drive'19884,644,521'Optical memory cartridge and drive apparatus'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1991Patents assigned to LASER MAGNETIC STORAGE INT (6)· patent assignee history
1987–2002Based in Colorado Springs, CO, US· patent location history
1997–2002Patents assigned to DISCOVISION ASS (14)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DISCOVISION ASS | 14 | 1997–2002 |
| LASER MAGNETIC STORAGE INT | 6 | 1987–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Colorado Springs, CO, US | 20 | 1987–2002 |