BE459254A - - Google Patents
Info
- Publication number
- BE459254A BE459254A BE459254DA BE459254A BE 459254 A BE459254 A BE 459254A BE 459254D A BE459254D A BE 459254DA BE 459254 A BE459254 A BE 459254A
- 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 |
|---|---|---|---|
| CH913464X | 1944-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE459254A true BE459254A (en:Method) |
Family
ID=4547627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE459254D BE459254A (en:Method) | 1944-12-11 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE459254A (en:Method) |
| FR (1) | FR913464A (en:Method) |
-
0
- BE BE459254D patent/BE459254A/xx unknown
-
1945
- 1945-08-20 FR FR913464D patent/FR913464A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR913464A (fr) | 1946-09-11 |