Title:
Acoustic impedance element
United States Patent 2754925
Inventors:
Finley, Burke Thomas
Publication Date:
07/17/1956
Assignee:
Finley, Burke Thomas
Other Classes:
367/152, 181/400, 381/354
International Classes:
G10K11/02; G10K11/00
US Patent References:
| 2384465 | | | | |
| 2394461 | Means for and method of measuring the impedance and reflection coefficients of surfaces | | | |
| 2405210 | Submarine signal device | | | |
| 2405226 | Low frequency projector or hydrophone | | | |
| 2416314 | Electroacoustic transducer | | | |
| 2427348 | Piezoelectric vibrator | | | |
| 2430013 | Impedance matching means for mechanical waves | | | |