FR1577663A - - Google Patents
Info
- Publication number
- FR1577663A FR1577663A FR1577663DA FR1577663A FR 1577663 A FR1577663 A FR 1577663A FR 1577663D A FR1577663D A FR 1577663DA FR 1577663 A FR1577663 A FR 1577663A
- Authority
- FR
- France
- 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
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
- H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Relay Circuits (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0111442 | 1967-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1577663A true FR1577663A (enExample) | 1969-08-08 |
Family
ID=7530940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1577663D Expired FR1577663A (enExample) | 1967-08-21 | 1968-08-16 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE719751A (enExample) |
| DE (1) | DE1537815A1 (enExample) |
| FR (1) | FR1577663A (enExample) |
| GB (1) | GB1185296A (enExample) |
| SE (1) | SE329416B (enExample) |
-
1967
- 1967-08-21 DE DE19671537815 patent/DE1537815A1/de not_active Withdrawn
-
1968
- 1968-08-16 FR FR1577663D patent/FR1577663A/fr not_active Expired
- 1968-08-19 GB GB3955868A patent/GB1185296A/en not_active Expired
- 1968-08-21 BE BE719751D patent/BE719751A/xx unknown
- 1968-08-21 SE SE11272/68A patent/SE329416B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1537815A1 (de) | 1969-11-06 |
| DE1537815B2 (enExample) | 1970-04-23 |
| GB1185296A (en) | 1970-03-25 |
| BE719751A (enExample) | 1969-02-21 |
| SE329416B (enExample) | 1970-10-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |