LU60431A1 - - Google Patents
Info
- Publication number
- LU60431A1 LU60431A1 LU60431DA LU60431A1 LU 60431 A1 LU60431 A1 LU 60431A1 LU 60431D A LU60431D A LU 60431DA LU 60431 A1 LU60431 A1 LU 60431A1
- Authority
- LU
- Luxembourg
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 (https=) | 1969-03-06 | 1969-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU60431A1 true LU60431A1 (https=) | 1970-09-11 |
Family
ID=9030232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU60431D LU60431A1 (https=) | 1969-03-06 | 1970-03-02 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3657484A (https=) |
| BE (1) | BE746538A (https=) |
| CH (1) | CH528192A (https=) |
| DE (1) | DE2010727A1 (https=) |
| FR (1) | FR2036211A5 (https=) |
| GB (1) | GB1258211A (https=) |
| LU (1) | LU60431A1 (https=) |
| NL (1) | NL7003213A (https=) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE624790A (https=) * | 1962-03-01 |
-
1969
- 1969-03-06 FR FR6906319A patent/FR2036211A5/fr not_active Expired
-
1970
- 1970-02-26 BE BE746538D patent/BE746538A/xx unknown
- 1970-03-02 LU LU60431D patent/LU60431A1/xx unknown
- 1970-03-02 CH CH299870A patent/CH528192A/fr not_active IP Right Cessation
- 1970-03-06 NL NL7003213A patent/NL7003213A/xx unknown
- 1970-03-06 DE DE19702010727 patent/DE2010727A1/de active Pending
- 1970-03-06 GB GB1258211D patent/GB1258211A/en not_active Expired
- 1970-03-06 US US17208A patent/US3657484A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3657484A (en) | 1972-04-18 |
| NL7003213A (https=) | 1970-09-08 |
| CH528192A (fr) | 1972-09-15 |
| DE2010727A1 (de) | 1970-09-24 |
| GB1258211A (https=) | 1971-12-22 |
| FR2036211A5 (https=) | 1970-12-24 |
| BE746538A (fr) | 1970-08-26 |