CA951444A - Pabx transmission and impulsing arrangement - Google Patents
Pabx transmission and impulsing arrangementInfo
- Publication number
- CA951444A CA951444A CA132,779,A CA132779A CA951444A CA 951444 A CA951444 A CA 951444A CA 132779 A CA132779 A CA 132779A CA 951444 A CA951444 A CA 951444A
- Authority
- CA
- Canada
- Prior art keywords
- impulsing
- pabx
- arrangement
- transmission
- pabx transmission
- 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
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU375971 | 1971-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA951444A true CA951444A (en) | 1974-07-16 |
Family
ID=3694228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA132,779,A Expired CA951444A (en) | 1971-01-20 | 1972-01-19 | Pabx transmission and impulsing arrangement |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3794782A (enExample) |
| BE (1) | BE778262A (enExample) |
| CA (1) | CA951444A (enExample) |
| DE (1) | DE2201986A1 (enExample) |
| ES (1) | ES399050A1 (enExample) |
| FR (1) | FR2122947A5 (enExample) |
| IT (1) | IT946689B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5940358B2 (ja) * | 1978-10-18 | 1984-09-29 | 日本電信電話株式会社 | 通話路スイツチ回路 |
| DE3804216A1 (de) * | 1988-02-11 | 1989-08-24 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer eine externleitungsuebertragung von kommunikations-vermittlungsanlagen, insbesondere fernsprechnebenstellenanlagen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL287044A (enExample) * | 1961-12-21 | |||
| DE1616690C3 (de) * | 1965-02-08 | 1974-09-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zur Verringerung der Eigenverluste von Induktanzen, insbesondere in Einrichtungen von Fernsprech-Vermittlungsanlagen |
-
1972
- 1972-01-17 DE DE19722201986 patent/DE2201986A1/de active Pending
- 1972-01-19 CA CA132,779,A patent/CA951444A/en not_active Expired
- 1972-01-19 FR FR7201659A patent/FR2122947A5/fr not_active Expired
- 1972-01-19 IT IT19522/72A patent/IT946689B/it active
- 1972-01-20 BE BE778262A patent/BE778262A/xx unknown
- 1972-01-20 ES ES399050A patent/ES399050A1/es not_active Expired
- 1972-01-20 US US00219241A patent/US3794782A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT946689B (it) | 1973-05-21 |
| US3794782A (en) | 1974-02-26 |
| ES399050A1 (es) | 1974-10-16 |
| BE778262A (fr) | 1972-07-20 |
| DE2201986A1 (de) | 1972-08-10 |
| FR2122947A5 (enExample) | 1972-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA968479A (en) | Telephone answering system | |
| CA948340A (en) | Loud-speaking telephone | |
| AU456354B2 (en) | Transmission controls | |
| CA965263A (en) | Hydrostatic-differential transmission | |
| AU445974B2 (en) | Transmission controls | |
| CA972887A (en) | Telephone subscriber equipment | |
| CA936981A (en) | Telephone answering system | |
| AU468972B2 (en) | Transmission arrangement | |
| CA972881A (en) | Telephone auto-answering device | |
| CA1020654A (en) | Telephone exchanges | |
| CA951444A (en) | Pabx transmission and impulsing arrangement | |
| AU458841B2 (en) | Telephone system | |
| CA935584A (en) | Telephone answering device | |
| CA941258A (en) | Telephone index devices | |
| CA886462A (en) | Sling | |
| CA872424A (en) | Land-to-mobile telephone link | |
| CA865229A (en) | Telephone answering system | |
| AU461886B2 (en) | Dialling arrangement | |
| CA955696A (en) | Dialling arrangement | |
| AU458843B2 (en) | Improved p. a. b. x. transmission and impulsing arrangement | |
| CA878064A (en) | Call transmitter | |
| CA872372A (en) | Telephone leave-word device | |
| CA882489A (en) | Transmission | |
| CA863023A (en) | Transmission | |
| CA863019A (en) | Transmission |