| 6394347 |
Apparatus and system for at least recording information on or reproducing information from a card-shaped recording medium |
Kengo Emoto |
2002-05-28 |
| 5990596 |
Optical information recording and/or reproducing apparatus and method with vibration wave driving device or vibration driven motor device |
Kazuaki Matsumoto |
1999-11-23 |
| 5805540 |
Optical information recording and/or reproducing apparatus and method with vibration wave driving device or vibration driven motor device |
Kazuaki Matsumoto |
1998-09-08 |
| 5600613 |
Optical information recording/reproduction apparatus and method using an ultrasonic wave motor to drive one of an optical head and a recording medium |
Kazuaki Matsumoto |
1997-02-04 |
| 5499226 |
Optical information reproduction apparatus and optical information reproduction method |
Shinichi Ohta |
1996-03-12 |
| 5350910 |
Optical card processing apparatus with means for determining a relative position between head and card |
Takashi Nakahara |
1994-09-27 |
| 5163034 |
Tracking device to effect tracking pull-in in an optical recording and reproducing apparatus by vibrating a light spot |
Satoshi Shikichi, Hideki Hosoya |
1992-11-10 |
| 5101398 |
Device for magnetically guiding movement of a moving body such as an optical head |
Hiroshi Inoue |
1992-03-31 |
| 5042019 |
Method of and apparatus for seeking a desired track by counting track crossing signals which are detected within a predetermined time interval |
Keiji Tsuchiya |
1991-08-20 |
| 4982394 |
Optical information recording/reproducing apparatus |
Shigeto Kanda, Etsuo Yamada |
1991-01-01 |