GB1164954A - Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems. - Google Patents
Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems.Info
- Publication number
- GB1164954A GB1164954A GB1716568A GB1716568A GB1164954A GB 1164954 A GB1164954 A GB 1164954A GB 1716568 A GB1716568 A GB 1716568A GB 1716568 A GB1716568 A GB 1716568A GB 1164954 A GB1164954 A GB 1164954A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gate
- cascade
- marked
- output
- hundreds
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/50—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication
- H04L12/52—Circuit switching systems, i.e. systems in which the path is physically permanent during the communication using time division techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Bus Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967S0109295 DE1287600B (de) | 1967-04-12 | 1967-04-12 | Schaltungsanordnung zum Identifizieren von markierten Zubringerleitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1164954A true GB1164954A (en) | 1969-09-24 |
Family
ID=7529413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1716568A Expired GB1164954A (en) | 1967-04-12 | 1968-04-10 | Improvements in or relating to Electric Circuit Arrangements for Identifying Marked Feeder Lines in Telecommunications Exchange Systems. |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE713669A (en:Method) |
| CH (1) | CH483175A (en:Method) |
| DE (1) | DE1287600B (en:Method) |
| FR (1) | FR1565765A (en:Method) |
| GB (1) | GB1164954A (en:Method) |
| NL (1) | NL6805115A (en:Method) |
| SE (1) | SE354401B (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4250561A (en) | 1978-03-31 | 1981-02-10 | Siemens Aktiengesellschaft | Apparatus for receiving and/or delivering signalling characters each having a plurality of polarity changes |
| US4335456A (en) | 1975-02-26 | 1982-06-15 | Siemens Aktiengesellschaft | Switch-through unit for bit groups within a program controlled, electronic data switching system |
-
1967
- 1967-04-12 DE DE1967S0109295 patent/DE1287600B/de not_active Withdrawn
-
1968
- 1968-03-12 CH CH364468A patent/CH483175A/de not_active IP Right Cessation
- 1968-04-09 FR FR1565765D patent/FR1565765A/fr not_active Expired
- 1968-04-10 NL NL6805115A patent/NL6805115A/xx unknown
- 1968-04-10 GB GB1716568A patent/GB1164954A/en not_active Expired
- 1968-04-10 SE SE484468A patent/SE354401B/xx unknown
- 1968-04-12 BE BE713669D patent/BE713669A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4335456A (en) | 1975-02-26 | 1982-06-15 | Siemens Aktiengesellschaft | Switch-through unit for bit groups within a program controlled, electronic data switching system |
| US4250561A (en) | 1978-03-31 | 1981-02-10 | Siemens Aktiengesellschaft | Apparatus for receiving and/or delivering signalling characters each having a plurality of polarity changes |
Also Published As
| Publication number | Publication date |
|---|---|
| BE713669A (en:Method) | 1968-10-14 |
| NL6805115A (en:Method) | 1968-10-14 |
| DE1287600B (de) | 1969-01-23 |
| SE354401B (en:Method) | 1973-03-05 |
| CH483175A (de) | 1969-12-15 |
| FR1565765A (en:Method) | 1969-05-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |