GB373815A - Improvements in and relating to electric control arrangements - Google Patents
Improvements in and relating to electric control arrangementsInfo
- Publication number
- GB373815A GB373815A GB1877531A GB1877531A GB373815A GB 373815 A GB373815 A GB 373815A GB 1877531 A GB1877531 A GB 1877531A GB 1877531 A GB1877531 A GB 1877531A GB 373815 A GB373815 A GB 373815A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- electric control
- control arrangements
- energized
- relay
- 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
- 239000004020 conductor Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Elimination Of Static Electricity (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEH125077D DE556211C (de) | 1931-01-21 | 1931-01-21 | Einrichtung zum elektrischen Steuern von Reklamevorrichtungen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB373815A true GB373815A (en) | 1932-06-02 |
Family
ID=6340197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1877531A Expired GB373815A (en) | 1931-01-21 | 1931-06-29 | Improvements in and relating to electric control arrangements |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE556211C (enrdf_load_stackoverflow) |
FR (1) | FR724112A (enrdf_load_stackoverflow) |
GB (1) | GB373815A (enrdf_load_stackoverflow) |
NL (1) | NL39552C (enrdf_load_stackoverflow) |
-
1931
- 1931-01-21 DE DEH125077D patent/DE556211C/de not_active Expired
- 1931-06-29 GB GB1877531A patent/GB373815A/en not_active Expired
- 1931-09-22 FR FR724112D patent/FR724112A/fr not_active Expired
-
1932
- 1932-01-13 NL NL59835A patent/NL39552C/xx active
Also Published As
Publication number | Publication date |
---|---|
NL39552C (enrdf_load_stackoverflow) | 1936-12-15 |
DE556211C (de) | 1932-08-04 |
FR724112A (fr) | 1932-04-22 |
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