Title:
DIGITAL PATCHBOARD CONNECTION SYSTEM
Document Type and Number:
Japanese Patent JPS5263037
Kind Code:
A
Abstract:
PURPOSE: To simplify connection work by forcibly giving logic 1 or 0 to a terminal jack within a patchboard and disconnecting the jack from a signal generating circuit when a plug is inserted.
Inventors:
SHIMIZU KAZUYUKI
Application Number:
JP13888775A
Publication Date:
May 25, 1977
Filing Date:
November 19, 1975
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H03K19/00; H03K19/02; (IPC1-7): H03K19/02