Number | Name | Date | Kind |
---|---|---|---|
4233370 | Heiser et al. | Nov 1980 | |
4859546 | Binder et al. | Aug 1989 | |
4885524 | Wilburn | Dec 1989 |
Number | Date | Country |
---|---|---|
1963814 | Jun 1970 | DEX |
63-6854 | Feb 1988 | JPX |
Entry |
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Patent Abstracts of Japan, vol. 8, No. 44 (E-229) (1481) 25 Feb. 1984 & JP-A-58 201 269 (Matsushita Denki Sangyo K.K.). |
Patent Abstracts of Japan, vol. 17, No. 94 (E-1325) 24 Feb. 1993 & JP-A-04 286 876 (Sony Corp). |
Patent Abstracts of Japan, vol. 16, No. 347 (E-1240) 27 Jul. 1992 & JP-A-04 106 883 (Murata Mfg Co Ltd). |