BE381073A - - Google Patents
Info
- Publication number
- BE381073A BE381073A BE381073DA BE381073A BE 381073 A BE381073 A BE 381073A BE 381073D A BE381073D A BE 381073DA BE 381073 A BE381073 A BE 381073A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- line
- contact
- connection
- current
- Prior art date
Links
- 230000006698 induction Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 241000283074 Equus asinus Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
- H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE381073A true BE381073A (OSRAM) |
Family
ID=50691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE381073D BE381073A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE381073A (OSRAM) |
-
0
- BE BE381073D patent/BE381073A/fr unknown
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