Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7327264 | System and method for extending performance of media cartridge RF identification | Larry Stephen Mitchell, Zengqi Yu | 2008-02-05 |
| 7316352 | System and method for locked code on a radio frequency identification tag | Zengqi Yu | 2008-01-08 |
| 6577467 | Helical scan transport for single reel tape cartridge | David T. Hoge, John C. Owens | 2003-06-10 |
| 6239930 | Method and apparatus for automatically activating a one of video data channel and a computer data channel in a tape drive in response to detection of the nature of the data recorded on a magnetic tape loaded in the tape drive | Jerry L. Donze, John C. Owens, Brian P. Egan, Ralph Leon Butts, Donald R. Schenck | 2001-05-29 |
| 5629815 | Apparatus and method for reducing head wear in helical scan tape transport | Samuel D. Cheatham, John C. Owens, Debra C. Rutherford | 1997-05-13 |
| 5576903 | Method and apparatus for administering data on magnetic tape medium by way of a header segment | Thomas Brown, Donald F. McCarthy, Richard C. Mendoza, Charles A. Milligan | 1996-11-19 |
| 5566032 | Method for utilizing a longitudinal track on a helical scan tape data storage system to provide a fast search capability | Brian G. Cleveland, Douglas C. Hansen | 1996-10-15 |
| 5526198 | Method and apparatus for administering video data on magnetic tape media using a data record format to store video frames | Jerry L. Donze | 1996-06-11 |
| D367828 | Indicator portion of a write protect block | David T. Hoge, John C. Owens | 1996-03-12 |
| 5487171 | System for reading and stopping reading data from magnetic tape into memory in response to mount command and write command respectively from the system processor | Terry R. Gottehrer, Charles A. Milligan | 1996-01-23 |
| 5463519 | Apparatus for cleaning a tape path in a tape drive | Robert D. Stroud | 1995-10-31 |
| 5369532 | Method and apparatus for managing data on rewritable media to define read/write operational status | Jerry L. Donze, Terry R. Gottehrer, Ronald W. Korngiebel, Donald F. McCarthy | 1994-11-29 |
| 5369641 | Method and apparatus for detecting and correcting errors in data on magnetic tape media | Thomas G. Liehe, Donald F. McCarthy, Charles A. Milligan | 1994-11-29 |
| 5351159 | Magnetic tape cartridge having media identification | Jerry L. Donze, Michael L. Leonhardt, Charles A. Milligan, Hari S. Narahari, John C. Owens +1 more | 1994-09-27 |
| 5325255 | Self identifying universal data storage element | David T. Hoge, Donovan M. Janssen, John C. Owens | 1994-06-28 |
| 5325370 | Method and apparatus for recording data on magnetic tape media | Brian G. Cleveland, Terry R. Gottehrer, Donald F. McCarthy, Charles A. Milligan | 1994-06-28 |
| 5202809 | Magnetic tape cartridge for helical scan transports with a single reel | Donald F. McCarthy | 1993-04-13 |
| 4423480 | Buffered peripheral system with priority queue and preparation for signal transfer in overlapped operations | Wayne J. Bauer, Charles R. Kirkpatrick, Ted A. Rehage, Francis L. Robinson, William Taylor | 1983-12-27 |
| 4368977 | Document ejector apparatus and method useful for copiers | Nelson K. Arter, Michael D. Avritt, Marion J. Herman | 1983-01-18 |
| 4367947 | Document feeder for moving bed machines such as copiers | Nelson K. Arter, Charles A. Farel | 1983-01-11 |
| 4251885 | Checking programmed controller operation | Edward P. Lutter | 1981-02-17 |