FR2352458A1 - Appareil de detection et de comptage des signaux de taxation des communications telephoniques - Google Patents
Appareil de detection et de comptage des signaux de taxation des communications telephoniquesInfo
- Publication number
- FR2352458A1 FR2352458A1 FR7712173A FR7712173A FR2352458A1 FR 2352458 A1 FR2352458 A1 FR 2352458A1 FR 7712173 A FR7712173 A FR 7712173A FR 7712173 A FR7712173 A FR 7712173A FR 2352458 A1 FR2352458 A1 FR 2352458A1
- Authority
- FR
- France
- Prior art keywords
- rectified
- counted
- amplified
- displayed
- pulses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH624776A CH600712A5 (OSRAM) | 1976-05-19 | 1976-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2352458A1 true FR2352458A1 (fr) | 1977-12-16 |
| FR2352458B1 FR2352458B1 (OSRAM) | 1980-02-15 |
Family
ID=4306580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7712173A Granted FR2352458A1 (fr) | 1976-05-19 | 1977-04-22 | Appareil de detection et de comptage des signaux de taxation des communications telephoniques |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH600712A5 (OSRAM) |
| DE (1) | DE2721820A1 (OSRAM) |
| FR (1) | FR2352458A1 (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8000797L (sv) * | 1980-02-01 | 1981-08-02 | Bille Dag Svensk Ideutveckling | Elektronisk samtalsdebiteringsmetare for abonnenttelefonapparater |
-
1976
- 1976-05-19 CH CH624776A patent/CH600712A5/xx not_active IP Right Cessation
-
1977
- 1977-04-22 FR FR7712173A patent/FR2352458A1/fr active Granted
- 1977-05-11 DE DE19772721820 patent/DE2721820A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2721820A1 (de) | 1977-11-24 |
| FR2352458B1 (OSRAM) | 1980-02-15 |
| CH600712A5 (OSRAM) | 1978-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |