FR1384618A - Explorateur de lignes téléphoniques à éléments magnétorésistants - Google Patents
Explorateur de lignes téléphoniques à éléments magnétorésistantsInfo
- Publication number
- FR1384618A FR1384618A FR943626A FR943626A FR1384618A FR 1384618 A FR1384618 A FR 1384618A FR 943626 A FR943626 A FR 943626A FR 943626 A FR943626 A FR 943626A FR 1384618 A FR1384618 A FR 1384618A
- Authority
- FR
- France
- Prior art keywords
- telephone line
- magnetoresistant element
- explorer
- element telephone
- line explorer
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/72—Finding out and indicating number of calling subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR943626A FR1384618A (fr) | 1963-08-02 | 1963-08-02 | Explorateur de lignes téléphoniques à éléments magnétorésistants |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR943626A FR1384618A (fr) | 1963-08-02 | 1963-08-02 | Explorateur de lignes téléphoniques à éléments magnétorésistants |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1384618A true FR1384618A (fr) | 1965-01-08 |
Family
ID=8809812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR943626A Expired FR1384618A (fr) | 1963-08-02 | 1963-08-02 | Explorateur de lignes téléphoniques à éléments magnétorésistants |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1384618A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2216731A1 (fr) * | 1973-02-01 | 1974-08-30 | Int Standard Electric Corp |
-
1963
- 1963-08-02 FR FR943626A patent/FR1384618A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2216731A1 (fr) * | 1973-02-01 | 1974-08-30 | Int Standard Electric Corp |
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