Title:
GUARDING SYSTEM
Document Type and Number:
Japanese Patent JPS5365692
Kind Code:
A
Abstract:
PURPOSE: To simplify the working as well as to reduce the cost and the materials, by utilizing the private telephone circuit for themost part of the line which connects a sensor and the alarm receiver.
Inventors:
OGATA TADAAKI
SHIRABE KOUZOU
OBARA KIYOSHI
SUGIYAMA HISAO
KOSEKI HIKOO
SHIRABE KOUZOU
OBARA KIYOSHI
SUGIYAMA HISAO
KOSEKI HIKOO
Application Number:
JP14069076A
Publication Date:
June 12, 1978
Filing Date:
November 25, 1976
Export Citation:
Assignee:
NIPPON ELECTRIC CO
SOGO KEIBI HOSHO KK
SOGO KEIBI HOSHO KK
International Classes:
H04M11/04; G08B23/00; G08B25/00; G08B25/08; H04M1/27; H04M1/30; (IPC1-7): G08B23/00; G08B25/00; H04M1/30; H04M11/04
Domestic Patent References:
| JPS501999A | 1975-01-10 |