JPS6145493Y2 - - Google Patents
Info
- Publication number
- JPS6145493Y2 JPS6145493Y2 JP9246277U JP9246277U JPS6145493Y2 JP S6145493 Y2 JPS6145493 Y2 JP S6145493Y2 JP 9246277 U JP9246277 U JP 9246277U JP 9246277 U JP9246277 U JP 9246277U JP S6145493 Y2 JPS6145493 Y2 JP S6145493Y2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- transistor
- power supply
- pulse
- sending period
- 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.)
- Expired
Links
- 239000000779 smoke Substances 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9246277U JPS6145493Y2 (en]) | 1977-07-12 | 1977-07-12 | |
US05/920,636 US4198627A (en) | 1977-07-12 | 1978-06-29 | Photoelectric synchronous smoke sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9246277U JPS6145493Y2 (en]) | 1977-07-12 | 1977-07-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5419938U JPS5419938U (en]) | 1979-02-08 |
JPS6145493Y2 true JPS6145493Y2 (en]) | 1986-12-20 |
Family
ID=35355658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9246277U Expired JPS6145493Y2 (en]) | 1977-07-12 | 1977-07-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6145493Y2 (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56148253U (en]) * | 1980-04-08 | 1981-11-07 |
-
1977
- 1977-07-12 JP JP9246277U patent/JPS6145493Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5419938U (en]) | 1979-02-08 |
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