FR933193A - Dispositifs téléphoniques - Google Patents
Dispositifs téléphoniquesInfo
- Publication number
- FR933193A FR933193A FR933193DA FR933193A FR 933193 A FR933193 A FR 933193A FR 933193D A FR933193D A FR 933193DA FR 933193 A FR933193 A FR 933193A
- Authority
- FR
- France
- Prior art keywords
- telephone devices
- telephone
- devices
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Structure Of Telephone Exchanges (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB16334/41A GB554136A (en) | 1941-12-18 | 1941-12-18 | Improvements in or relating to telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR933193A true FR933193A (fr) | 1948-04-13 |
Family
ID=10075412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR933193D Expired FR933193A (fr) | 1941-12-18 | 1946-09-03 | Dispositifs téléphoniques |
Country Status (5)
Country | Link |
---|---|
US (1) | US2358185A (pt) |
BE (1) | BE554136A (pt) |
FR (1) | FR933193A (pt) |
GB (1) | GB554136A (pt) |
NL (1) | NL62663C (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3176080A (en) * | 1959-12-11 | 1965-03-30 | Gen Dynamies Corp | Night answering and transfer of trunk calls |
DE1135055B (de) * | 1961-03-07 | 1962-08-23 | Standard Elektrik Lorenz Ag | Schaltungsanordnung zur Berechtigungskennzeichnung in Fernsprech-Nebenstellenanlagen |
BE622308A (pt) * | 1961-09-11 |
-
0
- BE BE554136D patent/BE554136A/xx unknown
- NL NL62663D patent/NL62663C/xx active
-
1941
- 1941-12-18 GB GB16334/41A patent/GB554136A/en not_active Expired
-
1942
- 1942-10-15 US US462082A patent/US2358185A/en not_active Expired - Lifetime
-
1946
- 1946-09-03 FR FR933193D patent/FR933193A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB554136A (en) | 1943-06-22 |
NL62663C (pt) | |
US2358185A (en) | 1944-09-12 |
BE554136A (pt) |
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