Title:
EMERGENCY ALARM SYSTEM USING PRIVATE BRANCH EXCHANGE SYSTEM
Document Type and Number:
Japanese Patent JPS59218596
Kind Code:
A
Inventors:
KUDOU HOU
NAGAI AKIRA
HOSHINO TSUNEYOSHI
NAGAI AKIRA
HOSHINO TSUNEYOSHI
Application Number:
JP9160583A
Publication Date:
December 08, 1984
Filing Date:
May 26, 1983
Export Citation:
Assignee:
IWATSU ELECTRIC CO LTD
International Classes:
H04M3/42; G08B27/00; H04M11/04; (IPC1-7): G08B25/02; H04M11/04
Domestic Patent References:
| JPS5033796A | 1975-04-01 |
Attorney, Agent or Firm:
Otsuka Manabu
Previous Patent: DANGER ALARM METHOD AND APPARATUS
Next Patent: PROTABLE TYPE CONTROLLER FOR REMOTE OPERATION
Next Patent: PROTABLE TYPE CONTROLLER FOR REMOTE OPERATION