Document Type and Number:
Japanese Patent JPS5566500
Kind Code:
U
More Like This:
Application Number:
JP15000278U
Publication Date:
May 08, 1980
Filing Date:
October 31, 1978
Export Citation:
International Classes:
G08B3/00; G08B23/00; H04B11/00; H04H20/26; H04H20/61; H04H20/82; H04H20/83; H04R27/00; (IPC1-7): H04R27/00; G08B3/00; H04B11/00; H04H1/02