WO9106987-A  PATENT ABSTRACTS OF JAPAN vol. 003, no. 246 (E-769) 5394 08 June 1989 & JP 01 048380 A (TOSHIBA CORP.) 22 February 1989;  PATENT ABSTRACTS OF JAPAN vol. 007, no. 247 (E-208) 1392 02 November 1983 & JP 58 133782 A (HITACHI SEISAKUSHO K.K.) 09 August 1983;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 258 (E-350) 1981 16 October 1985 & JP 60 107268 A (TOSHIBA CORP.) 12 June 1985;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 283 (E-620) 3051 26 September 1986 & JP 61 101970 A (TOSHIBA CORP.) 20 May 1986;  PATENT ABSTRACTS OF JAPAN vol. 011, no. 077 (E-487) 2524 07 March 1987 & JP 61 233979 A (TOSHIBA CORP.) 09 October 1986;  PATENT ABSTRACTS OF JAPAN vol. 012, no. 204 (E-620) 3051 11 June 1988 & JP 63 004565 A (TOSHIBA) 09 January 1988;  PATENT ABSTRACTS OF JAPAN vol. 013, no. 123 (E-733) 3471 27 March 1989 & JP 63 292575 A (TOSHIBA CORP.) 29 November 1988;  Patent Abstracts of Japan, volume 10, no. 283 (E-440)(2339), 26 September 1986; & JP-A-61101970 (TOSHIBA CORP.), 20 May 1986;  Patent Abstracts of Japan, volume 11, no. 77 (e-487)(2524), 7 March 1987; & JP-A-61233979 (TOSHIBA CORP.), 18 October 1986;  Patent Abstracts of Japan, volume 12, no. 204 (E-620)(3051), 11 June 1988; & JP-A-634565 (TOSHIBA CORP.) 9 January 1988;  Patent Abstracts of Japan, volume 13, no. 123 (e.733)(3471), 27 March 1989; & JP-A-63292575 (TOSHIBA CORP.), 29 November 1988;  Patent Abstracts of Japan, volume 13, no. 246 (E-769)(5394), 8 June 1989; & JP-A-148380 (TOSHIBA CORP.), 22 February 1989;  Patent Abstracts of Japan, volume 7, no. 247 (e-208)(1392), 2 November 1983; & JP-A-58133782 (HITACHI SEISAKUSHO K.K.), 9 August 1983;  Patent Abstracts of Japan, volume 9, no. 258 (e-350)(1981), 16 October 1985; & JP-A-60107268 (TOSHIBA K.K.), 12 June 1985;  PATENT ABSTRACTS OF JAPAN vol. 012, no. 204 (E-620) 3051 11 June 1988&JP 63 004565 A (TOSHIBA) 09 January 1988;  PATENT ABSTRACTS OF JAPAN vol. 010, no. 283 (E-620) 3051 26 September 1986&JP 61 101970 A (TOSHIBA CORP.) 20 May 1986;  PATENT ABSTRACTS OF JAPAN vol. 013, no. 123 (E-733) 3471 27 March 1989&JP 63 292575 A (TOSHIBA CORP.) 29 November 1988;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 258 (E-350) 1981 16 October 1985&JP 60 107268 A (TOSHIBA CORP.) 12 June 1985;  PATENT ABSTRACTS OF JAPAN vol. 011, no. 077 (E-487) 2524 07 March 1987&JP 61 233979 A (TOSHIBA CORP.) 09 October 1986;  PATENT ABSTRACTS OF JAPAN vol. 007, no. 247 (E-208) 1392 02 November 1983&JP 58 133782 A (HITACHI SEISAKUSHO K.K.) 09 August 1983;  PATENT ABSTRACTS OF JAPAN vol. 003, no. 246 (E-769) 5394 08 June 1989&JP 01 048380 A (TOSHIBA CORP.) 22 February 1989EP508991-A1  See references of WOA 9106987EP508991-B1  Patent Abstracts of Japan, vol 13, no. 246 (E769)(5394), 8 June 1989 & JP, A, 148380 (TOSHIBA CORP.) 22 February 1989;  Patent Abstracts of Japan, vol., 10, no. 283 (E-440) (2399), 26 September 1986 & JP, A, 611019070 (TOSHIBA CORP), 20 May 1986;  Patent Abstracts of Japan, vol., 11, no. 77 (E-487)(2524), 7 March 1987 & JP, A, 61233979 (TOSHIBA CORP.), 18 October 1986;  Patent Abstracts of Japan, vol., 12, no. 204 (E-620) (3051), 11 June1988 & JP, A, 634565 (TOSHIBA Corp.) 9 January 1988;  Patent Abstracts of Japan, vol., 13, no. 123 (E-733)(3471), 27 March 1989 & JP, A, 63292575 (TOSHIBA CORP.) 29 November 1988;  Patent Abstracts of Japan, vol., 7, no 247 (E-208)(1392), 2 November 1983, & JP, A, 58133782 (HITACHI SEISAKUSHO K.K.) 9 August 1983;  Patent Abstracts of Japan, vol., 9, no. 258 (E-350)(1981), 16 October 1985 & JP, A, 60107268 (TOSHIBA K. K.), 12 June 1985