FR1153914A - Installation de téléphone automatique - Google Patents
Installation de téléphone automatiqueInfo
- Publication number
- FR1153914A FR1153914A FR1153914DA FR1153914A FR 1153914 A FR1153914 A FR 1153914A FR 1153914D A FR1153914D A FR 1153914DA FR 1153914 A FR1153914 A FR 1153914A
- Authority
- FR
- France
- Prior art keywords
- automatic telephone
- telephone installation
- installation
- automatic
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE547676X | 1955-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1153914A true FR1153914A (fr) | 1958-03-28 |
Family
ID=20336806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1153914D Expired FR1153914A (fr) | 1955-05-18 | 1956-05-18 | Installation de téléphone automatique |
Country Status (5)
Country | Link |
---|---|
US (1) | US2871299A (fr) |
BE (1) | BE547676A (fr) |
DE (1) | DE1036938B (fr) |
FR (1) | FR1153914A (fr) |
GB (1) | GB785523A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904831A (en) * | 1974-01-09 | 1975-09-09 | Stromberg Carlson Corp | Tone control arrangement for electronic PABX |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2594726A (en) * | 1945-06-28 | 1952-04-29 | Automatic Elect Lab | Signal control circuit for telephone switching equipment |
US2535675A (en) * | 1948-10-29 | 1950-12-26 | Bell Telephone Labor Inc | Ringing control circuit |
BE506244A (fr) * | 1950-10-06 | |||
NL82983C (fr) * | 1950-11-16 |
-
0
- BE BE547676D patent/BE547676A/xx unknown
-
1956
- 1956-05-02 US US582220A patent/US2871299A/en not_active Expired - Lifetime
- 1956-05-04 DE DET12177A patent/DE1036938B/de active Pending
- 1956-05-09 GB GB14491/56A patent/GB785523A/en not_active Expired
- 1956-05-18 FR FR1153914D patent/FR1153914A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE547676A (fr) | |
GB785523A (en) | 1957-10-30 |
DE1036938B (de) | 1958-08-21 |
US2871299A (en) | 1959-01-27 |
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