CA961967A - Communication line circuitry - Google Patents
Communication line circuitryInfo
- Publication number
- CA961967A CA961967A CA118,333A CA118333A CA961967A CA 961967 A CA961967 A CA 961967A CA 118333 A CA118333 A CA 118333A CA 961967 A CA961967 A CA 961967A
- Authority
- CA
- Canada
- Prior art keywords
- communication line
- line circuitry
- circuitry
- communication
- line
- 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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10031470A | 1970-12-21 | 1970-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA961967A true CA961967A (en) | 1975-01-28 |
Family
ID=22279157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA118,333A Expired CA961967A (en) | 1970-12-21 | 1971-07-15 | Communication line circuitry |
Country Status (8)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4035592A (en) * | 1970-12-10 | 1977-07-12 | Societe Francaise Des Telephones Ericsson | Subscriber monitoring unit for electronic telephone exchanges |
US4417335A (en) * | 1979-12-19 | 1983-11-22 | Gte Automatic Electric Labs Inc. | Digital satellite telephone office |
JPS57164651A (en) * | 1981-03-20 | 1982-10-09 | Fujitsu Ltd | Control system for switchboard |
GB2173417B (en) * | 1985-04-12 | 1989-01-11 | Atomic Energy Authority Uk | Liquid-liquid extraction columns |
-
1970
- 1970-12-21 US US100314A patent/US3697701A/en not_active Expired - Lifetime
-
1971
- 1971-07-15 CA CA118,333A patent/CA961967A/en not_active Expired
- 1971-12-14 BE BE776666A patent/BE776666A/xx unknown
- 1971-12-16 JP JP46101581A patent/JPS5141487B1/ja active Pending
- 1971-12-17 GB GB5860571A patent/GB1369669A/en not_active Expired
- 1971-12-20 FR FR7145683A patent/FR2119469A5/fr not_active Expired
- 1971-12-20 IT IT71165/71A patent/IT943311B/it active
- 1971-12-21 DE DE2163437A patent/DE2163437C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4713153A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-07-04 |
FR2119469A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-04 |
JPS5141487B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-11-10 |
DE2163437C3 (de) | 1974-01-31 |
GB1369669A (en) | 1974-10-09 |
US3697701A (en) | 1972-10-10 |
DE2163437A1 (de) | 1972-06-29 |
IT943311B (it) | 1973-04-02 |
BE776666A (fr) | 1972-04-04 |
DE2163437B2 (de) | 1973-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU462216B1 (en) | Communication systems | |
AU3109571A (en) | Toaster-oven | |
CA926528A (en) | Party-line bridge-lifter | |
AU3418271A (en) | 1-phenoxy-2-hydroxy-3-hydroxyalkyl-aminopropanes | |
AU3272071A (en) | 1-nitrosopyrrolidines | |
CA961967A (en) | Communication line circuitry | |
AU3238671A (en) | Carbamoyloxoimino-thiazolidinones | |
AU3203471A (en) | Imino-benzyl-pyrazoles | |
CA836743A (en) | Communication system | |
CA841250A (en) | Communication system | |
CA838750A (en) | Communication system | |
AU1278170A (en) | Hydro-propeller | |
AU2940371A (en) | 6-deoxy-5-oxytetracycline-5-esters | |
CA848521A (en) | Telephone arrangement | |
CA854796A (en) | Telephone set | |
CA856901A (en) | Telephoning system | |
CA856902A (en) | Telephone telemetry | |
CA858183A (en) | Electronic communication system | |
CA859826A (en) | Visual communication system | |
CA836400A (en) | Fitting | |
CA858335A (en) | Tab-opening can | |
CA832647A (en) | T-tap connection | |
CA853001A (en) | Prevailing-torque lockscrews | |
AU3128471A (en) | 18-METHYL-17a-ETHINYL-TESTOSTERON-ESTER | |
AU2363970A (en) | Isoxazolin-3-yi-substituted-5-nitroimedazoles |