Number | Name | Date | Kind |
---|---|---|---|
3935924 | Nagao et al. | Feb 1976 | |
4190746 | Harwood et al. | Feb 1980 | |
4291781 | Niguchi et al. | Sep 1981 |
Number | Date | Country |
---|---|---|
53-24811 | Jul 1978 | JPX |
54-155825 | Dec 1979 | JPX |
55-141895 | Nov 1980 | JPX |
1452118 | Oct 1976 | GBX |
2027122A | Jul 1980 | GBX |
Entry |
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Reinforced Olefin Polymer Diaphragm for Loudspeakers, Journal Audio Engineering Society, vol. 29, No. 11, pp. 808-813. |
The Design and Manufacture of Loudspeaker Cones-An Introduction, George C. Johnston, (Preprint No. 919, (A-4), May 15, 1973). |
"Reinforced Olefin Diaphragms for Speakers", National Technical Report, vol. 25, No. 5, (Oct. 1979). |