FR1103699A - Improvements to automatic telephone systems - Google Patents
Improvements to automatic telephone systemsInfo
- Publication number
- FR1103699A FR1103699A FR1103699DA FR1103699A FR 1103699 A FR1103699 A FR 1103699A FR 1103699D A FR1103699D A FR 1103699DA FR 1103699 A FR1103699 A FR 1103699A
- Authority
- FR
- France
- Prior art keywords
- telephone systems
- automatic telephone
- automatic
- systems
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1103699T | 1954-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1103699A true FR1103699A (en) | 1955-11-04 |
Family
ID=9487685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1103699D Expired FR1103699A (en) | 1954-04-16 | 1954-04-16 | Improvements to automatic telephone systems |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE537384A (en) |
CH (1) | CH337575A (en) |
DE (1) | DE955430C (en) |
FR (1) | FR1103699A (en) |
-
1954
- 1954-04-16 FR FR1103699D patent/FR1103699A/en not_active Expired
-
1955
- 1955-04-07 CH CH337575D patent/CH337575A/en unknown
- 1955-04-15 BE BE537384D patent/BE537384A/fr unknown
- 1955-04-16 DE DEI10097A patent/DE955430C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH337575A (en) | 1959-04-15 |
BE537384A (en) | 1959-04-10 |
DE955430C (en) | 1957-01-03 |
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