FR2341990A1 - Systeme pour identifier les postes en conversation dans une installation telephonique privee - Google Patents
Systeme pour identifier les postes en conversation dans une installation telephonique priveeInfo
- Publication number
- FR2341990A1 FR2341990A1 FR7604893A FR7604893A FR2341990A1 FR 2341990 A1 FR2341990 A1 FR 2341990A1 FR 7604893 A FR7604893 A FR 7604893A FR 7604893 A FR7604893 A FR 7604893A FR 2341990 A1 FR2341990 A1 FR 2341990A1
- Authority
- FR
- France
- Prior art keywords
- identification device
- access
- called
- numbers
- memorises
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
-
- 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
- H04M15/34—Charging, billing or metering arrangements for private branch exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7604893A FR2341990A1 (fr) | 1976-02-23 | 1976-02-23 | Systeme pour identifier les postes en conversation dans une installation telephonique privee |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7604893A FR2341990A1 (fr) | 1976-02-23 | 1976-02-23 | Systeme pour identifier les postes en conversation dans une installation telephonique privee |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2341990A1 true FR2341990A1 (fr) | 1977-09-16 |
FR2341990B1 FR2341990B1 (fr) | 1981-01-02 |
Family
ID=9169453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7604893A Granted FR2341990A1 (fr) | 1976-02-23 | 1976-02-23 | Systeme pour identifier les postes en conversation dans une installation telephonique privee |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2341990A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2423099A1 (fr) * | 1978-04-13 | 1979-11-09 | Siemens Ag | Montage pour la determination, realisee independamment du systeme, de donnees de conversation et de taxes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2009075A1 (de) * | 1970-02-26 | 1971-09-09 | Siemens Ag | Schaltungsanordnung zum Übertragen besonderer Nachrichten , beispielsweise Fernsehzeichen, über Sonderverbindungs wege in Fernmelde , insbesondere Fern Sprechanlagen |
GB1359508A (en) * | 1970-06-10 | 1974-07-10 | Australia Postmaster Generals | Apparatus for detecting the presence of a time varying signal |
-
1976
- 1976-02-23 FR FR7604893A patent/FR2341990A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2009075A1 (de) * | 1970-02-26 | 1971-09-09 | Siemens Ag | Schaltungsanordnung zum Übertragen besonderer Nachrichten , beispielsweise Fernsehzeichen, über Sonderverbindungs wege in Fernmelde , insbesondere Fern Sprechanlagen |
GB1359508A (en) * | 1970-06-10 | 1974-07-10 | Australia Postmaster Generals | Apparatus for detecting the presence of a time varying signal |
Non-Patent Citations (1)
Title |
---|
NV1155/74 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2423099A1 (fr) * | 1978-04-13 | 1979-11-09 | Siemens Ag | Montage pour la determination, realisee independamment du systeme, de donnees de conversation et de taxes |
Also Published As
Publication number | Publication date |
---|---|
FR2341990B1 (fr) | 1981-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |