EP497332-A1  PATENT ABSTRACTS OF JAPAN vol. 12, no. 273 (E-639)(3120) 29 July 1988 & JP-A-63 053 858 ( ISHIKAWAJIMA HARIMA HEAVY IND CO LTD ) 8 March 1988;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 343 (E-796)(3691) 2 August 1989 & JP-A-01 100 867 ( SANYO ELECTRIC CO LTD ) 19 April 1989;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 571 (E-862)(3919) 18 December 1989 & JP-A-01 239 774 ( SANYO ELECTRIC CO LTD ) 25 September 1989;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 263 (E-938)(4206) 7 June 1990 & JP-A-02 082 464 ( SANYO ELECTRIC CO LTD ) 23 March 1990;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 308 (E-947)(4251) 3 July 1990 & JP-A-02 100 272 ( SANYO ELECTRIC CO LTD ) 12 April 1990;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 461 (E-987)5 October 1990 & JP-A-02 186 564 ( SANYO ELECTRIC CO LTD ) 20 July 1990;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 263 (E-938)(4206) 7 June 1990&JP-A-02 082 464 ( SANYO ELECTRIC CO LTD ) 23 March 1990;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 461 (E-987)5 October 1990&JP-A-02 186 564 ( SANYO ELECTRIC CO LTD ) 20 July 1990;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 343 (E-796)(3691) 2 August 1989&JP-A-01 100 867 ( SANYO ELECTRIC CO LTD ) 19 April 1989;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 308 (E-947)(4251) 3 July 1990&JP-A-02 100 272 ( SANYO ELECTRIC CO LTD ) 12 April 1990;  PATENT ABSTRACTS OF JAPAN vol. 12, no. 273 (E-639)(3120) 29 July 1988&JP-A-63 053 858 ( ISHIKAWAJIMA HARIMA HEAVY IND CO LTD ) 8 March 1988;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 571 (E-862)(3919) 18 December 1989&JP-A-01 239 774 ( SANYO ELECTRIC CO LTD ) 25 September 1989EP497332-B1  PATENT ABSTRACTS OF JAPAN vol. 12, no. 273 (E-639)(3120) 29 July 1988 & JP-A-63 053 858 ( ISHIKAWAJIMA HARIMA HEAVY IND CO LTD ) 8 March 1988;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 343 (E-796)(3691) 2 August 1989 & JP-A-01 100 867 ( SANYO ELECTRIC CO LTD ) 19 April 1989;  PATENT ABSTRACTS OF JAPAN vol. 13, no. 571 (E-862)(3919) 18 December 1989 & JP-A-01 239 774 ( SANYO ELECTRIC CO LTD ) 25 September 1989;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 263 (E-938)(4206) 7 June 1990 & JP-A-02 082 464 ( SANYO ELECTRIC CO LTD ) 23 March 1990;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 308 (E-947)(4251) 3 July 1990 & JP-A-02 100 272 ( SANYO ELECTRIC CO LTD ) 12 April 1990;  PATENT ABSTRACTS OF JAPAN vol. 14, no. 461 (E-987)5 October 1990 & JP-A-02 186 564 ( SANYO ELECTRIC CO LTD ) 20 July 1990