FR53220E - Interrupteur automatique - Google Patents
Interrupteur automatiqueInfo
- Publication number
- FR53220E FR53220E FR53220DA FR53220E FR 53220 E FR53220 E FR 53220E FR 53220D A FR53220D A FR 53220DA FR 53220 E FR53220 E FR 53220E
- Authority
- FR
- France
- Prior art keywords
- automatic switch
- automatic
- switch
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/54—Conversion of DC power input into AC power output without possibility of reversal by dynamic converters
- H02M7/58—Conversion of DC power input into AC power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential
- H02M7/62—Conversion of DC power input into AC power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential with electromagnetically-operated vibrating contacts, e.g. chopper
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE870479X | 1940-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR53220E true FR53220E (fr) | 1945-10-02 |
Family
ID=6806546
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR870479D Expired FR870479A (fr) | 1940-03-14 | 1941-02-28 | Interrupteur automatique |
FR53220D Expired FR53220E (fr) | 1940-03-14 | 1943-11-30 | Interrupteur automatique |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR870479D Expired FR870479A (fr) | 1940-03-14 | 1941-02-28 | Interrupteur automatique |
Country Status (2)
Country | Link |
---|---|
BE (2) | BE440569A (fr) |
FR (2) | FR870479A (fr) |
-
0
- BE BE453601D patent/BE453601A/xx unknown
- BE BE440569D patent/BE440569A/xx unknown
-
1941
- 1941-02-28 FR FR870479D patent/FR870479A/fr not_active Expired
-
1943
- 1943-11-30 FR FR53220D patent/FR53220E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR870479A (fr) | 1942-03-12 |
BE440569A (fr) | |
BE453601A (fr) |
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