JPS5319800A - Receiving circuit of fire alarms - Google Patents
Receiving circuit of fire alarmsInfo
- Publication number
- JPS5319800A JPS5319800A JP9512376A JP9512376A JPS5319800A JP S5319800 A JPS5319800 A JP S5319800A JP 9512376 A JP9512376 A JP 9512376A JP 9512376 A JP9512376 A JP 9512376A JP S5319800 A JPS5319800 A JP S5319800A
- Authority
- JP
- Japan
- Prior art keywords
- receiving circuit
- fire alarms
- resistors
- power supply
- providing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Abstract
PURPOSE: To flow the rush current flowing to sensors when a power supply is switched on to resistors and to operate a relay when this current runs out by providing a bypass circuit using resistors in parallel to a receiving relay and providing a delay circuit to the power supply input side.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9512376A JPS5856158B2 (en) | 1976-08-09 | 1976-08-09 | Fire alarm receiving circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9512376A JPS5856158B2 (en) | 1976-08-09 | 1976-08-09 | Fire alarm receiving circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5319800A true JPS5319800A (en) | 1978-02-23 |
JPS5856158B2 JPS5856158B2 (en) | 1983-12-13 |
Family
ID=14129043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9512376A Expired JPS5856158B2 (en) | 1976-08-09 | 1976-08-09 | Fire alarm receiving circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5856158B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5414686U (en) * | 1977-07-04 | 1979-01-30 | ||
JPH0330098A (en) * | 1989-06-27 | 1991-02-08 | Matsushita Electric Works Ltd | Photoelectric smoke sensor |
-
1976
- 1976-08-09 JP JP9512376A patent/JPS5856158B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5414686U (en) * | 1977-07-04 | 1979-01-30 | ||
JPS5760147Y2 (en) * | 1977-07-04 | 1982-12-22 | ||
JPH0330098A (en) * | 1989-06-27 | 1991-02-08 | Matsushita Electric Works Ltd | Photoelectric smoke sensor |
Also Published As
Publication number | Publication date |
---|---|
JPS5856158B2 (en) | 1983-12-13 |
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