FR2279284A1 - Repondeur-enregistreur telephonique automatique sans branchement sur la ligne telephonique - Google Patents
Repondeur-enregistreur telephonique automatique sans branchement sur la ligne telephoniqueInfo
- Publication number
- FR2279284A1 FR2279284A1 FR7339979A FR7339979A FR2279284A1 FR 2279284 A1 FR2279284 A1 FR 2279284A1 FR 7339979 A FR7339979 A FR 7339979A FR 7339979 A FR7339979 A FR 7339979A FR 2279284 A1 FR2279284 A1 FR 2279284A1
- Authority
- FR
- France
- Prior art keywords
- telephone
- servo
- mechanisms
- piezoelectric sensor
- tape 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
- H04M1/6545—Telephone line monitoring circuits therefor, e.g. ring detectors mechanically actuating hook switch, e.g. lifting handset
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7339979A FR2279284A1 (fr) | 1973-11-09 | 1973-11-09 | Repondeur-enregistreur telephonique automatique sans branchement sur la ligne telephonique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7339979A FR2279284A1 (fr) | 1973-11-09 | 1973-11-09 | Repondeur-enregistreur telephonique automatique sans branchement sur la ligne telephonique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2279284A1 true FR2279284A1 (fr) | 1976-02-13 |
Family
ID=9127545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7339979A Withdrawn FR2279284A1 (fr) | 1973-11-09 | 1973-11-09 | Repondeur-enregistreur telephonique automatique sans branchement sur la ligne telephonique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2279284A1 (fr) |
-
1973
- 1973-11-09 FR FR7339979A patent/FR2279284A1/fr not_active Withdrawn
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |