| 8167266 |
Clutch apparatus for electric valve actuator |
Jae Chul Lee, Dae Gon Kim |
2012-05-01 |
| 5883769 |
Aluminum head drum with a protective layer which smoothly and continuously varies in hardness for use in a videocassette recorder |
Kye-Chul Choi, Kwang Yong Eun, Kwang Ryeol Lee |
1999-03-16 |
| 5803336 |
Pinch roller type tape drive assembly |
— |
1998-09-08 |
| 5793575 |
Rotary transformer for a video cassette recorder having a stator and a rotor equipped with coils |
— |
1998-08-11 |
| 5790350 |
Head drum assembly for a VCR with a shaft including a vertical groove and a slanted groove |
— |
1998-08-04 |
| 5754373 |
Head drum assembly having a pre-loading sheet sleeve structured to facilitate its connection with a shaft and a rotor plate and method for fixing the same onto the shaft |
— |
1998-05-19 |
| 5754374 |
Dynamic pressure bearing apparatus and head drum assembly of a video cassette recorder utilizing the same |
— |
1998-05-19 |
| 5751520 |
Head drum assembly of a video cassette recorder |
— |
1998-05-12 |
| 5739985 |
Head drum assembly |
— |
1998-04-14 |
| 5734530 |
Head drum assembly incorporating therein parts coated with diamond-like carbon |
— |
1998-03-31 |
| 5724213 |
Head drum assembly of video cassette recorder |
— |
1998-03-03 |
| 5719723 |
Head drum assembly for rotating a rotary drum by generating a load bearing air layer |
— |
1998-02-17 |
| 5713121 |
Method of manufacturing a rotary head drum |
— |
1998-02-03 |
| 5675457 |
Head drum assembly for use in a video cassette recorder |
— |
1997-10-07 |
| 5581426 |
Upper head drum assembly including at least one nut cap |
— |
1996-12-03 |
| 5513163 |
Optical tape recording/reproducing apparatus |
— |
1996-04-30 |
| 4828466 |
Oil feeding means incorporated in a horizontal type rotary compressor |
— |
1989-05-09 |