Patents Abstracts of Japan, vol. 4, No. 78 (P-14) (560), Jun. 6, 1980, p. 50 P 14; & JP-A-55 42 379 (Matsushita Denki Sangyo K.K.) (25-03-1980) the whole. |
Patents Abstracts of Japan, vol. 4, No. 27 (P-1) (509), Mar. 7, 1980, p. 119 P 1; & JP-A-55 1673 (Matsushita Denki Sangyo K.K.) (08-01-1980)-the whole. |
Patents Abstracts of Japan, vol. 5, No. 21 (P-48) (693), Feb. 7, 1981; & JP-A-55 150 131 (Fujitsu K.K.) (21-11-1980)-the whole. |
Patents Abstracts of Japan, vol. 5, No. 38 (P-52) (710), Mar. 21, 1981; & JP-A-55 160 321 (Hitachi Seisakusho K.K.) (13-12-1980)-the whole. |
Patents Abstracts of Japan, vol. 1, No. 49, Apr. 6, 1978, p. 780 E 78; & JP-A-53 12 316 (Matsushita Denki Sangyo K.K.) (03-02-1978)-the whole. |
Patents Abstracts of Japan, vol. 1, No. 132, Oct. 31, 1977, p. 5951 E 77; & JP-A-52 66 413 (Sanyo Denki K.K.) (01-06-1977) the whole. |
Patents Abstracts of Japan, vol. 6, No. 116 (P-125) (994), Jun. 29, 1982 & JP-A-57 44 216 (Sony K.K.) (12-03-1982)-the whole. |