BE390992A - - Google Patents
Info
- Publication number
- BE390992A BE390992A BE390992DA BE390992A BE 390992 A BE390992 A BE 390992A BE 390992D A BE390992D A BE 390992DA BE 390992 A BE390992 A BE 390992A
- 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 |
|---|---|---|---|
| DE734607X | 1931-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE390992A true BE390992A (en:Method) |
Family
ID=6641905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE390992D BE390992A (en:Method) | 1931-11-09 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE390992A (en:Method) |
| FR (1) | FR734607A (en:Method) |
-
0
- BE BE390992D patent/BE390992A/xx unknown
-
1932
- 1932-04-04 FR FR734607D patent/FR734607A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR734607A (fr) | 1932-10-25 |