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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect 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
- 230000006870 function Effects 0.000 description 1
- 210000000056 organ Anatomy 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 (https=) |
Family
ID=96721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438529D BE438529A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE438529A (https=) |
-
0
- BE BE438529D patent/BE438529A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE438529A (https=) | ||
| BE431601A (https=) | ||
| BE384554A (https=) | ||
| BE413526A (https=) | ||
| BE439476A (https=) | ||
| BE428087A (https=) | ||
| BE426120A (https=) | ||
| CH120389A (fr) | Installation téléphonique permettant la taxation de connexions de différentes valeurs. | |
| BE400690A (https=) | ||
| BE416389A (https=) | ||
| BE391036A (https=) | ||
| BE436826A (https=) | ||
| BE412764A (https=) | ||
| BE422095A (https=) | ||
| BE420586A (https=) | ||
| BE388990A (https=) | ||
| BE482797A (https=) | ||
| BE415247A (https=) | ||
| BE482011A (https=) | ||
| BE436417A (https=) | ||
| BE420417A (https=) | ||
| BE408188A (https=) | ||
| BE467300A (https=) | ||
| BE411648A (https=) | ||
| BE422189A (https=) |