BE721499A - - Google Patents
Info
- Publication number
- BE721499A BE721499A BE721499DA BE721499A BE 721499 A BE721499 A BE 721499A BE 721499D A BE721499D A BE 721499DA BE 721499 A BE721499 A BE 721499A
- Authority
- BE
- Belgium
Links
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)
- Meter Arrangements (AREA)
- Measurement Of Current Or Voltage (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671537841 DE1537841B2 (de) | 1967-09-29 | 1967-09-29 | Verfahren zur Umsetzung von Impulsfolgen, insbesondere von Zähltakten filr Fernsprechapparate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721499A true BE721499A (enExample) | 1969-03-27 |
Family
ID=5675956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721499D BE721499A (enExample) | 1967-09-29 | 1968-09-27 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT295606B (enExample) |
| BE (1) | BE721499A (enExample) |
| CH (1) | CH476436A (enExample) |
| DE (1) | DE1537841B2 (enExample) |
| FR (1) | FR1585980A (enExample) |
| GB (1) | GB1197532A (enExample) |
| NL (1) | NL6813344A (enExample) |
| SE (1) | SE329418B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3329094C2 (de) * | 1983-08-11 | 1985-09-12 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit Gebühren-Zeitzählung |
-
1967
- 1967-09-29 DE DE19671537841 patent/DE1537841B2/de not_active Withdrawn
-
1968
- 1968-09-18 NL NL6813344A patent/NL6813344A/xx unknown
- 1968-09-24 FR FR1585980D patent/FR1585980A/fr not_active Expired
- 1968-09-26 CH CH1441368A patent/CH476436A/de not_active IP Right Cessation
- 1968-09-27 GB GB4588368A patent/GB1197532A/en not_active Expired
- 1968-09-27 AT AT948468A patent/AT295606B/de not_active IP Right Cessation
- 1968-09-27 BE BE721499D patent/BE721499A/xx unknown
- 1968-09-30 SE SE13210/68A patent/SE329418B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE329418B (enExample) | 1970-10-12 |
| AT295606B (de) | 1972-01-10 |
| FR1585980A (enExample) | 1970-02-06 |
| DE1537841B2 (de) | 1970-11-05 |
| CH476436A (de) | 1969-07-31 |
| NL6813344A (enExample) | 1969-04-01 |
| DE1537841A1 (de) | 1969-11-06 |
| GB1197532A (en) | 1970-07-08 |