GB719656A - An automatic telephone system comprising a satellite exchange connected to a main exchange - Google Patents
An automatic telephone system comprising a satellite exchange connected to a main exchangeInfo
- Publication number
- GB719656A GB719656A GB10220/52A GB1022052A GB719656A GB 719656 A GB719656 A GB 719656A GB 10220/52 A GB10220/52 A GB 10220/52A GB 1022052 A GB1022052 A GB 1022052A GB 719656 A GB719656 A GB 719656A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- exchange
- wire
- junction
- switching centre
- 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
- 238000004804 winding Methods 0.000 abstract 1
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
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE302751X | 1951-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB719656A true GB719656A (en) | 1954-12-08 |
Family
ID=6107669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10220/52A Expired GB719656A (en) | 1951-04-24 | 1952-04-23 | An automatic telephone system comprising a satellite exchange connected to a main exchange |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE510921A (enrdf_load_stackoverflow) |
CH (1) | CH302751A (enrdf_load_stackoverflow) |
FR (1) | FR1055085A (enrdf_load_stackoverflow) |
GB (1) | GB719656A (enrdf_load_stackoverflow) |
-
0
- BE BE510921D patent/BE510921A/xx unknown
-
1952
- 1952-04-19 CH CH302751D patent/CH302751A/de unknown
- 1952-04-23 GB GB10220/52A patent/GB719656A/en not_active Expired
- 1952-04-23 FR FR1055085D patent/FR1055085A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH302751A (de) | 1954-10-31 |
BE510921A (enrdf_load_stackoverflow) | |
FR1055085A (fr) | 1954-02-16 |
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