GB280919A - - Google Patents
Info
- Publication number
- GB280919A GB280919A GB30709/27A GB3070927A GB280919A GB 280919 A GB280919 A GB 280919A GB 30709/27 A GB30709/27 A GB 30709/27A GB 3070927 A GB3070927 A GB 3070927A GB 280919 A GB280919 A GB 280919A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- selector
- relays
- energized
- wii
- 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
- 230000000694 effects Effects 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE280919T | 1926-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB280919A true GB280919A (enrdf_load_stackoverflow) | 1929-04-15 |
Family
ID=31893805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB30709/27A Expired GB280919A (enrdf_load_stackoverflow) | 1926-11-16 | 1927-11-15 |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB280919A (enrdf_load_stackoverflow) |
NL (1) | NL30640C (enrdf_load_stackoverflow) |
-
0
- NL NL30640D patent/NL30640C/xx active
-
1927
- 1927-11-15 GB GB30709/27A patent/GB280919A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL30640C (enrdf_load_stackoverflow) |
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