BE377518A - - Google Patents
Info
- Publication number
- BE377518A BE377518A BE377518DA BE377518A BE 377518 A BE377518 A BE 377518A BE 377518D A BE377518D A BE 377518DA BE 377518 A BE377518 A BE 377518A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE732129X | 1931-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE377518A true BE377518A (pt) |
Family
ID=3879195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE377518D BE377518A (pt) | 1931-02-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE377518A (pt) |
| FR (1) | FR732129A (pt) |
-
0
- BE BE377518D patent/BE377518A/xx unknown
-
1932
- 1932-02-19 FR FR732129D patent/FR732129A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR732129A (fr) | 1932-09-13 |