GB759645A - A telephone system with linefinders - Google Patents
A telephone system with linefindersInfo
- Publication number
- GB759645A GB759645A GB12120/54A GB1212054A GB759645A GB 759645 A GB759645 A GB 759645A GB 12120/54 A GB12120/54 A GB 12120/54A GB 1212054 A GB1212054 A GB 1212054A GB 759645 A GB759645 A GB 759645A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- over
- line
- exchange
- condenser
- 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
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE319080X | 1953-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB759645A true GB759645A (en) | 1956-10-24 |
Family
ID=6151499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12120/54A Expired GB759645A (en) | 1953-04-27 | 1954-04-27 | A telephone system with linefinders |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE528387A (enrdf_load_stackoverflow) |
CH (1) | CH319080A (enrdf_load_stackoverflow) |
DE (1) | DE939638C (enrdf_load_stackoverflow) |
FR (1) | FR1105207A (enrdf_load_stackoverflow) |
GB (1) | GB759645A (enrdf_load_stackoverflow) |
NL (1) | NL93335C (enrdf_load_stackoverflow) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE666438C (de) * | 1935-01-29 | 1938-10-19 | Siemens & Halske Akt Ges | Schaltungsanordnung fuer Zweieranschluesse in Fernmelde-, insbesondere Fernsprechanlagen |
-
0
- NL NL93335D patent/NL93335C/xx active
- BE BE528387D patent/BE528387A/xx unknown
-
1953
- 1953-04-28 DE DEL15368A patent/DE939638C/de not_active Expired
-
1954
- 1954-04-20 CH CH319080D patent/CH319080A/de unknown
- 1954-04-27 FR FR1105207D patent/FR1105207A/fr not_active Expired
- 1954-04-27 GB GB12120/54A patent/GB759645A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE939638C (de) | 1956-03-01 |
BE528387A (enrdf_load_stackoverflow) | |
NL93335C (enrdf_load_stackoverflow) | |
FR1105207A (fr) | 1955-11-29 |
CH319080A (de) | 1957-01-31 |
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