BE552200A - - Google Patents
Info
- Publication number
- BE552200A BE552200A BE552200DA BE552200A BE 552200 A BE552200 A BE 552200A BE 552200D A BE552200D A BE 552200DA BE 552200 A BE552200 A BE 552200A
- Authority
- BE
- Belgium
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
-
- 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
- H04M1/652—Means for playing back the recorded messages by remote control over a telephone line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32991/56A GB813653A (en) | 1956-10-29 | 1956-10-29 | Improvements in telephone message recording and message repeat back systems |
| JP2839056A JPS357957B1 (xx) | 1956-10-29 | 1956-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552200A true BE552200A (xx) | 1957-04-29 |
Family
ID=70227705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552200D BE552200A (xx) | 1956-10-29 | 1956-10-29 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS357957B1 (xx) |
| BE (1) | BE552200A (xx) |
| CH (1) | CH352368A (xx) |
| FR (1) | FR1161263A (xx) |
| GB (1) | GB813653A (xx) |
-
1956
- 1956-10-29 BE BE552200D patent/BE552200A/xx unknown
- 1956-10-29 FR FR1161263D patent/FR1161263A/fr not_active Expired
- 1956-10-29 GB GB32991/56A patent/GB813653A/en not_active Expired
- 1956-10-29 CH CH352368D patent/CH352368A/de unknown
- 1956-11-08 JP JP2839056A patent/JPS357957B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH352368A (de) | 1961-02-28 |
| GB813653A (en) | 1959-05-21 |
| FR1161263A (fr) | 1958-08-25 |
| JPS357957B1 (xx) | 1960-06-27 |