AU458841B2 - Telephone system - Google Patents
Telephone systemInfo
- Publication number
- AU458841B2 AU458841B2 AU32676/71A AU3267671A AU458841B2 AU 458841 B2 AU458841 B2 AU 458841B2 AU 32676/71 A AU32676/71 A AU 32676/71A AU 3267671 A AU3267671 A AU 3267671A AU 458841 B2 AU458841 B2 AU 458841B2
- Authority
- AU
- Australia
- Prior art keywords
- telephone system
- telephone
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
- H04M1/573—Line monitoring circuits for detecting caller identification
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7113237A FR2133267A5 (OSRAM) | 1971-04-15 | 1971-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3267671A AU3267671A (en) | 1973-03-01 |
| AU458841B2 true AU458841B2 (en) | 1975-03-13 |
Family
ID=9075291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU32676/71A Expired AU458841B2 (en) | 1971-04-15 | 1971-08-24 | Telephone system |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU458841B2 (OSRAM) |
| FR (1) | FR2133267A5 (OSRAM) |
| GB (1) | GB1362412A (OSRAM) |
| NL (1) | NL7105411A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1004981B (el) | 2003-11-06 | 2005-09-09 | �������������� �������� ����������� ��� ��������� ������� (����) � | Τηλεδιαχειριση προϊοντων και υπηρεσιων |
-
1971
- 1971-04-15 FR FR7113237A patent/FR2133267A5/fr not_active Expired
- 1971-04-21 NL NL7105411A patent/NL7105411A/xx unknown
- 1971-06-02 GB GB2392371A patent/GB1362412A/en not_active Expired
- 1971-08-24 AU AU32676/71A patent/AU458841B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2133267A5 (OSRAM) | 1972-11-24 |
| NL7105411A (OSRAM) | 1972-10-24 |
| GB1362412A (en) | 1974-08-07 |
| AU3267671A (en) | 1973-03-01 |
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