Acoustic transmitter
US5329499A · kind A · utility
14Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1993 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Mar 12, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K9/121
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A drive package for acoustic transmitters includes a frame (6) of magnetic material with windows for accommodating driving members (20) and prestress devices (22) . Two windows with driving members and an intermediate window with a prestress device form a column which, by way of pressure studs (24) in the driving members and holes (14) in the frame, clamp pressure rods (4) located inside the transmitter against the shell (1) of the transmitter. The drive package may include several columns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.