GB762273A - Automatic telephone and like signalling system - Google Patents
Automatic telephone and like signalling systemInfo
- Publication number
- GB762273A GB762273A GB26812/52A GB2681252A GB762273A GB 762273 A GB762273 A GB 762273A GB 26812/52 A GB26812/52 A GB 26812/52A GB 2681252 A GB2681252 A GB 2681252A GB 762273 A GB762273 A GB 762273A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switches
- primary
- over
- marker
- incoming
- 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)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL315052X | 1951-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB762273A true GB762273A (en) | 1956-11-28 |
Family
ID=19783775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB26812/52A Expired GB762273A (en) | 1951-10-27 | 1952-10-24 | Automatic telephone and like signalling system |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE514970A (de) |
CH (1) | CH315052A (de) |
DE (1) | DE958746C (de) |
FR (1) | FR1085360A (de) |
GB (1) | GB762273A (de) |
NL (2) | NL87361C (de) |
-
0
- NL NL6806885.A patent/NL164978B/xx unknown
- BE BE514970D patent/BE514970A/xx unknown
- NL NL87361D patent/NL87361C/xx active
-
1952
- 1952-10-20 CH CH315052D patent/CH315052A/fr unknown
- 1952-10-24 DE DEST5521A patent/DE958746C/de not_active Expired
- 1952-10-24 GB GB26812/52A patent/GB762273A/en not_active Expired
- 1952-10-27 FR FR1085360D patent/FR1085360A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH315052A (fr) | 1956-07-15 |
BE514970A (de) | |
FR1085360A (fr) | 1955-02-02 |
NL164978B (nl) | |
DE958746C (de) | 1957-02-21 |
NL87361C (de) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB982825A (en) | Class of service telephone system | |
US2523914A (en) | Radiotelephone system | |
GB1058893A (en) | Improvements in or relating to switching networks for use in telecommunications installations | |
GB1001902A (en) | Improvements in or relating to automatic telecommunication exchanges | |
GB1336931A (en) | Communication systems | |
GB762273A (en) | Automatic telephone and like signalling system | |
US2757240A (en) | Gating circuit for lines incoming to an operator's position | |
GB762274A (en) | Control of an automatic signalling system | |
GB1369670A (en) | Communication systems | |
GB1066589A (en) | Telephone switching systems | |
US2839612A (en) | Toll switching system | |
US3229040A (en) | Telephone exchange systems | |
US3341664A (en) | Telephone answering system | |
GB817959A (en) | Switching systems applicable particularly to group selection in automatic telephony systems | |
GB1015359A (en) | Telephone switching systems | |
US3135833A (en) | Transmission loss pad control system | |
US3051792A (en) | Selective party line signaling system | |
GB1029204A (en) | Improvements in or relating to telephone switching systems | |
GB989336A (en) | Improvements relating to automatic telecommunication switching systems | |
GB787238A (en) | Trunking diagram for an automatic telecommunication system | |
GB737778A (en) | Arrangement in an automatic telecommunication exchange, for determining to which of a plurality of service classes a desired connection between two subscribers belongs | |
US3310630A (en) | Circuit arrangement for automatic telephone systems with different kinds of telephone communications | |
US1383038A (en) | Telephone call-wire circuits | |
GB1066974A (en) | Improvements in or relating to telecommunication exchanges | |
GB742358A (en) | Improvements in line finder systems for automatic telephone exchanges |