CA944090A - Telecommunication system with telephone channel and optional wide-band channel - Google Patents
Telecommunication system with telephone channel and optional wide-band channelInfo
- Publication number
- CA944090A CA944090A CA141,090A CA141090A CA944090A CA 944090 A CA944090 A CA 944090A CA 141090 A CA141090 A CA 141090A CA 944090 A CA944090 A CA 944090A
- Authority
- CA
- Canada
- Prior art keywords
- channel
- telecommunication system
- telephone
- optional wide
- band
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE641271A SE352798B (en) | 1971-05-18 | 1971-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA944090A true CA944090A (en) | 1974-03-19 |
Family
ID=20268607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA141,090A Expired CA944090A (en) | 1971-05-18 | 1972-05-02 | Telecommunication system with telephone channel and optional wide-band channel |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5529631B1 (en) |
AU (1) | AU465426B2 (en) |
CA (1) | CA944090A (en) |
DE (1) | DE2223539C3 (en) |
DK (1) | DK142479C (en) |
ES (1) | ES402811A1 (en) |
FI (1) | FI56294C (en) |
FR (1) | FR2138023B1 (en) |
GB (1) | GB1388039A (en) |
IT (1) | IT955625B (en) |
NO (1) | NO129824B (en) |
SE (1) | SE352798B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2841328C2 (en) * | 1978-09-20 | 1983-09-29 | Siemens AG, 1000 Berlin und 8000 München | Special telephone system with telephoto control device |
BR9002488A (en) * | 1990-04-04 | 1991-11-12 | Mentel Mensagens Telefonicos E | AUTOMATIC SYSTEM FOR REPRODUCTION OF RECORDED MESSAGE IN VOICE ON TELEPHONE LINE |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1512938B2 (en) * | 1967-04-28 | 1970-11-12 | Siemens AG, 1000 Berlin u. 8000 München | Circuit arrangement for telephone systems, in particular telephone branch exchange systems with central control, for connecting connection points provided with television equipment |
DE1964257B2 (en) * | 1969-12-22 | 1976-11-18 | Robert Bosch Gmbh, 7000 Stuttgart | METHOD AND ARRANGEMENT FOR ESTABLISHING A CONNECTION PATH FOR VIDEO SIGNALS |
-
1971
- 1971-05-18 SE SE641271A patent/SE352798B/xx unknown
-
1972
- 1972-05-02 CA CA141,090A patent/CA944090A/en not_active Expired
- 1972-05-05 FI FI127772A patent/FI56294C/en active
- 1972-05-05 AU AU41943/72A patent/AU465426B2/en not_active Expired
- 1972-05-15 DE DE19722223539 patent/DE2223539C3/en not_active Expired
- 1972-05-16 NO NO175172A patent/NO129824B/no unknown
- 1972-05-17 GB GB2327372A patent/GB1388039A/en not_active Expired
- 1972-05-17 FR FR7217631A patent/FR2138023B1/fr not_active Expired
- 1972-05-17 DK DK246672A patent/DK142479C/en active
- 1972-05-17 ES ES402811A patent/ES402811A1/en not_active Expired
- 1972-05-18 JP JP4951272A patent/JPS5529631B1/ja active Pending
- 1972-05-18 IT IT2451772A patent/IT955625B/en active
Also Published As
Publication number | Publication date |
---|---|
FI56294C (en) | 1979-12-10 |
ES402811A1 (en) | 1975-04-01 |
SE352798B (en) | 1973-01-08 |
DK142479B (en) | 1980-11-03 |
DE2223539B2 (en) | 1974-09-05 |
GB1388039A (en) | 1975-03-19 |
AU465426B2 (en) | 1975-09-25 |
NO129824B (en) | 1974-05-27 |
IT955625B (en) | 1973-09-29 |
AU4194372A (en) | 1973-11-08 |
DE2223539C3 (en) | 1978-04-13 |
DE2223539A1 (en) | 1972-11-30 |
FI56294B (en) | 1979-08-31 |
FR2138023A1 (en) | 1972-12-29 |
DK142479C (en) | 1981-03-16 |
JPS5529631B1 (en) | 1980-08-05 |
FR2138023B1 (en) | 1973-07-13 |
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