BE410069A - - Google Patents
Info
- Publication number
- BE410069A BE410069A BE410069DA BE410069A BE 410069 A BE410069 A BE 410069A BE 410069D A BE410069D A BE 410069DA BE 410069 A BE410069 A BE 410069A
- Authority
- BE
- Belgium
- Prior art keywords
- relay
- telephone system
- switch
- pulses
- circuit
- Prior art date
Links
- 230000004048 modification Effects 0.000 claims 1
- 238000006011 modification reaction Methods 0.000 claims 1
- 230000001702 transmitter Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 16
- 230000000903 blocking Effects 0.000 description 3
- 241000518994 Conta Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE410069A true BE410069A (ja) |
Family
ID=74332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE410069D BE410069A (ja) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE410069A (ja) |
-
0
- BE BE410069D patent/BE410069A/fr unknown
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