CA972092A - Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavier - Google Patents
Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavierInfo
- Publication number
- CA972092A CA972092A CA119,458A CA119458A CA972092A CA 972092 A CA972092 A CA 972092A CA 119458 A CA119458 A CA 119458A CA 972092 A CA972092 A CA 972092A
- Authority
- CA
- Canada
- Prior art keywords
- numerotation
- analyseur
- codeur
- clavier
- courant
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7028235A FR2098898A5 (de) | 1970-07-30 | 1970-07-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA972092A true CA972092A (en) | 1975-07-29 |
Family
ID=9059541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA119,458A Expired CA972092A (en) | 1970-07-30 | 1971-07-29 | Dispositif analyseur et codeur de courant utilisable notamment dans les telecommunications pour la numerotation par clavier |
Country Status (9)
Country | Link |
---|---|
US (1) | US3777068A (de) |
BE (1) | BE770464A (de) |
CA (1) | CA972092A (de) |
CH (1) | CH549922A (de) |
DE (1) | DE2138212A1 (de) |
FR (1) | FR2098898A5 (de) |
GB (1) | GB1318156A (de) |
IT (1) | IT951971B (de) |
NL (1) | NL7110619A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5443541A (en) * | 1993-03-18 | 1995-08-22 | St. Louis; Robert M. | Dual element electrical clother dryer with single element interrupt circuit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3036801C2 (de) * | 1980-09-30 | 1982-08-26 | Ritto-Werk Loh GmbH & Co KG, 6348 Herborn | Schaltungsanordnung zur Übertragung von Gleichstrom-Kennzeichen über eine zweiradrige Leitung von einer Sendestelle zu einer Empfangsstelle, insbesondere von einer Sprechstelle zu der Zentrale einer Sprechanlage |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2008563A (en) * | 1935-07-16 | Electrical selector system | ||
US1761115A (en) * | 1927-09-02 | 1930-06-03 | John E Gardner | Automatic telephone system |
BE669624A (de) * | 1964-09-15 | |||
FR1462275A (fr) * | 1965-09-10 | 1966-04-15 | Cit Alcatel | Dispositif de numérotation par clavier |
NL6604015A (de) * | 1966-03-26 | 1967-09-27 |
-
1970
- 1970-07-30 FR FR7028235A patent/FR2098898A5/fr not_active Expired
-
1971
- 1971-07-26 BE BE770464A patent/BE770464A/xx unknown
- 1971-07-26 CH CH1101771A patent/CH549922A/fr not_active IP Right Cessation
- 1971-07-29 CA CA119,458A patent/CA972092A/en not_active Expired
- 1971-07-30 NL NL7110619A patent/NL7110619A/xx unknown
- 1971-07-30 GB GB3607271A patent/GB1318156A/en not_active Expired
- 1971-07-30 IT IT42983/71A patent/IT951971B/it active
- 1971-07-30 DE DE19712138212 patent/DE2138212A1/de active Pending
- 1971-07-30 US US00167574A patent/US3777068A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5443541A (en) * | 1993-03-18 | 1995-08-22 | St. Louis; Robert M. | Dual element electrical clother dryer with single element interrupt circuit |
Also Published As
Publication number | Publication date |
---|---|
US3777068A (en) | 1973-12-04 |
DE2138212A1 (de) | 1972-02-03 |
FR2098898A5 (de) | 1972-03-10 |
GB1318156A (en) | 1973-05-23 |
NL7110619A (de) | 1972-02-01 |
IT951971B (it) | 1973-07-10 |
CH549922A (fr) | 1974-05-31 |
BE770464A (fr) | 1972-01-26 |
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