BE438529A - - Google Patents
Info
- Publication number
- BE438529A BE438529A BE438529DA BE438529A BE 438529 A BE438529 A BE 438529A BE 438529D A BE438529D A BE 438529DA BE 438529 A BE438529 A BE 438529A
- Authority
- BE
- Belgium
- Prior art keywords
- telephone set
- token
- line
- established
- circuit
- Prior art date
Links
- 230000001702 transmitter Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 239000005751 Copper oxide Substances 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000056 organs Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438529A true BE438529A (da) |
Family
ID=96721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438529D BE438529A (da) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE438529A (da) |
-
0
- BE BE438529D patent/BE438529A/fr unknown
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