FR1297135A - Telephone call recorder device - Google Patents
Telephone call recorder deviceInfo
- Publication number
- FR1297135A FR1297135A FR41200A FR69041200A FR1297135A FR 1297135 A FR1297135 A FR 1297135A FR 41200 A FR41200 A FR 41200A FR 69041200 A FR69041200 A FR 69041200A FR 1297135 A FR1297135 A FR 1297135A
- Authority
- FR
- France
- Prior art keywords
- telephone call
- recorder device
- call recorder
- telephone
- recorder
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
- H04M1/573—Line monitoring circuits for detecting caller identification
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR41200A FR1297135A (en) | 1961-02-07 | 1961-02-07 | Telephone call recorder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR41200A FR1297135A (en) | 1961-02-07 | 1961-02-07 | Telephone call recorder device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1297135A true FR1297135A (en) | 1962-06-29 |
Family
ID=85222650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR41200A Expired FR1297135A (en) | 1961-02-07 | 1961-02-07 | Telephone call recorder device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1297135A (en) |
-
1961
- 1961-02-07 FR FR41200A patent/FR1297135A/en not_active Expired
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