WO9010314-A  PATENT ABSTRACTS OF JAPAN, Vol. 10, No. 1 (E-371) (2058), 7 January 1986, & JP, A, 60167262 (Matsushita Denki Sangyo K.K.) 30 August 1985;  PATENT ABSTRACTS OF JAPAN, Vol. 12, No. 375 (E-666) (3222), 7 October 1988, & JP, A, 63124365 (Matsushita Electric Ind. Co. Ltd) 27 May 1988 see Abstract;  PATENT ABSTRACTS OF JAPAN, Vol. 12, No. 9 (E-572) (2856), 12 January 1988, & JP, A, 62170151 (Matsushita Electric Ind. Co., Ltd) 27 July 1987 see Abstract;  PATENT ABSTRACTS OF JAPAN, Vol. 7, No. 129 (E-179) (1274), 4 June 1983, & JP, A, 5846576 (Yuasa Denchi K.K.) 18 March 1983 see Abstract;  PATENT ABSTRACTS OF JAPAN, Vol. 7, No. 21 (E-155) (1166), 27 January 1983, & JP, A, 57180074 (Shinkoube Denki K.K.) 5 November 1982 see AbstractWO9010314-A3  Patent Abstracts of Japan, vol. 10, no.1 (E-371)(2058), 07/01/1986, & JP60167262 (MATSUSHITA DENKI SANGYO K.K.) 30/08/1985;  Patent Abstracts of Japan, vol. 12, no. 375 (E-666)(3222), 07/10/1988, & JP63124365 (MATSUSHITA ELECTRIC IND. CO., LTD) 27/05/1988;  Patent Abstracts of Japan, vol. 7, no. 129 (E-179)(1274), 04/06/1983, & JP58046576 & (YUASA DENCHI K.K.) 18/03/1983;  Patent Abstracts of Japan, vol. 12, no. 9 (E-572)(2856), 12/01/1988, & JP62170151 (MATSUSHITA ELECTRIC IND. CO., LTD) 27/07/1987;  Patent Abstracts of Japan, vol. 7, no. 21 (E-155)(1166), 27/01/1983, & JP57180074 (SHINKOUBE DENKI K.K.) 05/11/1982EP460073-B1  PATENT ABSTRACTS OF JAPAN, Vol. 10, No. 1 (E-371) (2058), 07/01/1986, & JP, A, 60167262 (Matsushita Denki Sangyo K.K.) 30/08/1985;  PATENT ABSTRACTS OF JAPAN, Vol. 12, No. 375 (E-666) (3222), 07/10/1988, & JP, A, 63124365 (Matsushita Electric Ind. Co. Ltd) 27/05/1988;  PATENT ABSTRACTS OF JAPAN, Vol. 12, No. 9 (E-572) (2856), 12/01/1988, & JP, A, 62170151 (Matsushita Electric Ind. Co., Ltd) 27/07/1987;  PATENT ABSTRACTS OF JAPAN, Vol. 7, No. 129 (E-179) (1274), 04/06/1983, & JP, A, 5846576 (Yuasa Denchi K.K.) 18/03/1983;  PATENT ABSTRACTS OF JAPAN, Vol. 7, No. 21 (E-155) (1166), 27/01/1983, & JP, A, 57180074 (Shinkoube Denki K.K.) 05/11/1982