Number | Date | Country | Kind |
---|---|---|---|
3941594 | Dec 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3978522 | Rothlisberger et al. | Aug 1976 | |
4158212 | Dattilo | Jun 1979 | |
4340919 | Kato | Jul 1982 | |
4507696 | Hutter | Mar 1985 | |
4550352 | Nakao | Oct 1985 | |
4589040 | Kawase | May 1986 | |
4646181 | Morigaki | Feb 1987 | |
4847714 | Kamatsu | Jul 1989 | |
4875123 | Kang | Oct 1989 | |
5146377 | Baheri | Sep 1992 |
Entry |
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Patent Abstracts of Japan, vol. 10, No. 48 (P-431) (2105) 25 Feb. 1986, & JP-A-60 193120 (Sony KK) 1 Oct. 1985. |