BE392072A - - Google Patents
Info
- Publication number
- BE392072A BE392072A BE392072DA BE392072A BE 392072 A BE392072 A BE 392072A BE 392072D A BE392072D A BE 392072DA BE 392072 A BE392072 A BE 392072A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE739840X | 1931-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE392072A true BE392072A (en)) |
Family
ID=6643130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE392072D BE392072A (en)) | 1931-07-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE392072A (en)) |
| CH (1) | CH171187A (en)) |
| FR (1) | FR739840A (en)) |
-
0
- BE BE392072D patent/BE392072A/xx unknown
-
1932
- 1932-01-06 CH CH171187D patent/CH171187A/de unknown
- 1932-07-09 FR FR739840D patent/FR739840A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR739840A (fr) | 1933-01-17 |
| CH171187A (de) | 1934-08-15 |