JPS51118996A - Material detector - Google Patents
Material detectorInfo
- Publication number
- JPS51118996A JPS51118996A JP4470375A JP4470375A JPS51118996A JP S51118996 A JPS51118996 A JP S51118996A JP 4470375 A JP4470375 A JP 4470375A JP 4470375 A JP4470375 A JP 4470375A JP S51118996 A JPS51118996 A JP S51118996A
- Authority
- JP
- Japan
- Prior art keywords
- material detector
- detector
- failured
- rise
- reliability
- 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
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
PURPOSE: To rise the reliability of the device by making it possible to detect material with other element even if one element is failured.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50044703A JPS5811672B2 (en) | 1975-04-11 | 1975-04-11 | butsutaikenchisouchi |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50044703A JPS5811672B2 (en) | 1975-04-11 | 1975-04-11 | butsutaikenchisouchi |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51118996A true JPS51118996A (en) | 1976-10-19 |
JPS5811672B2 JPS5811672B2 (en) | 1983-03-04 |
Family
ID=12698763
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50044703A Expired JPS5811672B2 (en) | 1975-04-11 | 1975-04-11 | butsutaikenchisouchi |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5811672B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5851387U (en) * | 1981-09-30 | 1983-04-07 | オーテック電子株式会社 | light beam warning device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59143270U (en) * | 1983-03-16 | 1984-09-25 | 松下電器産業株式会社 | heat collector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS425455Y1 (en) * | 1966-09-10 | 1967-03-18 | ||
JPS4810929U (en) * | 1971-06-25 | 1973-02-07 | ||
JPS4922860U (en) * | 1972-05-29 | 1974-02-26 |
-
1975
- 1975-04-11 JP JP50044703A patent/JPS5811672B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS425455Y1 (en) * | 1966-09-10 | 1967-03-18 | ||
JPS4810929U (en) * | 1971-06-25 | 1973-02-07 | ||
JPS4922860U (en) * | 1972-05-29 | 1974-02-26 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5851387U (en) * | 1981-09-30 | 1983-04-07 | オーテック電子株式会社 | light beam warning device |
JPS642232Y2 (en) * | 1981-09-30 | 1989-01-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS5811672B2 (en) | 1983-03-04 |
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