United States Patent 2668878
Inventors:
Munroe, David J.
Publication Date:
02/09/1954
Assignee:
WEBSTER ELECTRIC CO INC
Other Classes:
360/128, 360/121
International Classes:
G11B5/10; G11B5/147; G11B5/187; G11B5/265
US Patent References:
| 2469444 | Magnetic sound recording and reproducing transducer | | | |
| 2523576 | Ring-type magnetic recordtransducing head | | | |
| 2530584 | Multiple magnetic head mount | | | |
| 2536272 | Magnetic recording-reproducing head | | | |
| 2538892 | System to prevent accidental rerecording on a magnetic record | | | |
| 2563445 | | | | |
| 2565191 | Eddy current shield in electromagnetic transducer head | | | |