CA959962A - Line hunting circuitry for common control communications switching system - Google Patents
Line hunting circuitry for common control communications switching systemInfo
- Publication number
- CA959962A CA959962A CA118,083A CA118083A CA959962A CA 959962 A CA959962 A CA 959962A CA 118083 A CA118083 A CA 118083A CA 959962 A CA959962 A CA 959962A
- Authority
- CA
- Canada
- Prior art keywords
- circuitry
- switching system
- common control
- control communications
- communications switching
- 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
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Exchange Systems With Centralized Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10031570A | 1970-12-21 | 1970-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA959962A true CA959962A (en) | 1974-12-24 |
Family
ID=22279161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA118,083A Expired CA959962A (en) | 1970-12-21 | 1971-07-13 | Line hunting circuitry for common control communications switching system |
Country Status (8)
Country | Link |
---|---|
US (1) | US3697700A (it) |
JP (1) | JPS5141486B1 (it) |
BE (1) | BE776665A (it) |
CA (1) | CA959962A (it) |
DE (1) | DE2163436C3 (it) |
FR (1) | FR2119470A5 (it) |
GB (1) | GB1369670A (it) |
IT (1) | IT943312B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809824A (en) * | 1972-03-31 | 1974-05-07 | Rauland Corp | Private automatic telephone system with dial and dialless telephones |
US3764750A (en) * | 1972-05-03 | 1973-10-09 | Bell Telephone Labor Inc | Switching system equipped for one-way line hunting |
US3769462A (en) * | 1972-09-29 | 1973-10-30 | Stromberg Carlson Corp | Private automatic branch exchange service circuit complex |
US3946163A (en) * | 1975-03-17 | 1976-03-23 | Tel-Tone Corporation | Port multiplexer for telephone signal processing systems |
US4744103A (en) * | 1985-11-27 | 1988-05-10 | Rauland-Borg Corporation | Computer controlled multi-link communication system |
US5604336A (en) * | 1995-03-08 | 1997-02-18 | Weigh-Tronix, Inc. | Load cell with composite end beams having portions with different elastic modulus |
-
1970
- 1970-12-21 US US100315A patent/US3697700A/en not_active Expired - Lifetime
-
1971
- 1971-07-13 CA CA118,083A patent/CA959962A/en not_active Expired
- 1971-12-14 BE BE776665A patent/BE776665A/xx unknown
- 1971-12-16 JP JP46101580A patent/JPS5141486B1/ja active Pending
- 1971-12-17 GB GB5860671A patent/GB1369670A/en not_active Expired
- 1971-12-20 FR FR7145684A patent/FR2119470A5/fr not_active Expired
- 1971-12-20 IT IT71166/71A patent/IT943312B/it active
- 1971-12-21 DE DE2163436A patent/DE2163436C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5141486B1 (it) | 1976-11-10 |
BE776665A (fr) | 1972-04-04 |
FR2119470A5 (it) | 1972-08-04 |
DE2163436A1 (de) | 1972-06-29 |
GB1369670A (en) | 1974-10-09 |
IT943312B (it) | 1973-04-02 |
DE2163436C3 (de) | 1974-06-06 |
DE2163436B2 (de) | 1973-11-08 |
US3697700A (en) | 1972-10-10 |
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