BE746538A - Dispositif de numerotation au clavier notamment pour des centraux de grande capacite - Google Patents
Dispositif de numerotation au clavier notamment pour des centraux de grande capaciteInfo
- Publication number
- BE746538A BE746538A BE746538DA BE746538A BE 746538 A BE746538 A BE 746538A BE 746538D A BE746538D A BE 746538DA BE 746538 A BE746538 A BE 746538A
- Authority
- BE
- Belgium
- Prior art keywords
- centrals
- keypad
- capacity
- device especially
- numbering device
- Prior art date
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)
- Measurement Of Resistance Or Impedance (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6906319A FR2036211A5 (fr) | 1969-03-06 | 1969-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE746538A true BE746538A (fr) | 1970-08-26 |
Family
ID=9030232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE746538D BE746538A (fr) | 1969-03-06 | 1970-02-26 | Dispositif de numerotation au clavier notamment pour des centraux de grande capacite |
Country Status (8)
Country | Link |
---|---|
US (1) | US3657484A (fr) |
BE (1) | BE746538A (fr) |
CH (1) | CH528192A (fr) |
DE (1) | DE2010727A1 (fr) |
FR (1) | FR2036211A5 (fr) |
GB (1) | GB1258211A (fr) |
LU (1) | LU60431A1 (fr) |
NL (1) | NL7003213A (fr) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE629064A (fr) * | 1962-03-01 |
-
1969
- 1969-03-06 FR FR6906319A patent/FR2036211A5/fr not_active Expired
-
1970
- 1970-02-26 BE BE746538D patent/BE746538A/fr unknown
- 1970-03-02 CH CH299870A patent/CH528192A/fr not_active IP Right Cessation
- 1970-03-02 LU LU60431D patent/LU60431A1/xx unknown
- 1970-03-06 NL NL7003213A patent/NL7003213A/xx unknown
- 1970-03-06 GB GB1258211D patent/GB1258211A/en not_active Expired
- 1970-03-06 US US17208A patent/US3657484A/en not_active Expired - Lifetime
- 1970-03-06 DE DE19702010727 patent/DE2010727A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1258211A (fr) | 1971-12-22 |
DE2010727A1 (de) | 1970-09-24 |
FR2036211A5 (fr) | 1970-12-24 |
NL7003213A (fr) | 1970-09-08 |
US3657484A (en) | 1972-04-18 |
LU60431A1 (fr) | 1970-09-11 |
CH528192A (fr) | 1972-09-15 |
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