BE505867A - - Google Patents
Info
- Publication number
- BE505867A BE505867A BE505867DA BE505867A BE 505867 A BE505867 A BE 505867A BE 505867D A BE505867D A BE 505867DA BE 505867 A BE505867 A BE 505867A
- 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
- H04M1/6515—Recording arrangements for recording a message from the calling party using magnetic tape
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH721448X | 1950-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505867A true BE505867A (https=) |
Family
ID=4531582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505867D BE505867A (https=) | 1950-09-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE505867A (https=) |
| CH (1) | CH294519A (https=) |
| FR (1) | FR1051296A (https=) |
| GB (1) | GB721448A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3183494A (en) * | 1956-08-31 | 1965-05-11 | Sperry Rand Corp | Random access memory systems |
| US3183495A (en) * | 1956-08-31 | 1965-05-11 | Sperry Rand Corp | Random access magnetic tape memory systems |
-
0
- BE BE505867D patent/BE505867A/xx unknown
-
1950
- 1950-09-23 CH CH294519D patent/CH294519A/de unknown
-
1951
- 1951-09-17 FR FR1051296D patent/FR1051296A/fr not_active Expired
- 1951-09-20 GB GB22044/51A patent/GB721448A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1051296A (fr) | 1954-01-14 |
| CH294519A (de) | 1953-11-15 |
| GB721448A (en) | 1955-01-05 |