Number | Date | Country | Kind |
---|---|---|---|
9614395 | Jul 1996 | GB | |
9708874 | Apr 1997 | GB |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/GB97/01773 | WO | 00 | 1/11/1999 | 1/11/1999 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO98/02016 | 1/15/1998 | WO | A |
Number | Name | Date | Kind |
---|---|---|---|
3684052 | Sotome | Aug 1972 | |
3862376 | White | Jan 1975 | |
4433214 | Jasinski | Feb 1984 | |
4517416 | Goossens | May 1985 | |
4547631 | Nieuwendijk et al. | Oct 1985 | |
4821330 | Pfleiderer | Apr 1989 | |
5608810 | Hall | Mar 1997 |
Number | Date | Country |
---|---|---|
0 492 914 A2 | Jul 1992 | EP |
885501 | Dec 1961 | GB |
1 270 033 | Apr 1972 | GB |
1491080 | Nov 1977 | GB |
1 563 511 | Mar 1980 | GB |
1604934 | Dec 1981 | GB |
2087688 | May 1982 | GB |
2 122 453 | Jan 1984 | GB |
2 153 629 | Aug 1985 | GB |
2 182 823 | May 1987 | GB |
59-94996 | May 1984 | JP |
59-108500 | Jun 1984 | JP |
60-192497 | Sep 1985 | JP |
61-195100 | Aug 1986 | JP |
5-161193 | Jun 1993 | JP |
406165291 | Jun 1994 | JP |
7-015791 | Jan 1995 | JP |
7-222280 | Aug 1995 | JP |
WO 8301884 | May 1983 | WO |
Entry |
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M Colloms, “High Performance Loudspeakers”, 4th edition, published 1991, Pentech Press, pp. 166-168. |