Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Year | Description |
| 2001 | Invention patented by J. Barrie Franklin on September 20th, 2001. Abstract: An underwater acoustic projector comprising a pair of spaced apart end walls with an acoustic driver positioned between the end walls, the driver having smaller cross-sectional dimensions than the end walls. Each end wall close one end of open ended tubular pipe waveguides and is mechanically coupled to one end of a piezoelectric acoustic driver. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
