BE390909A - - Google Patents
Info
- Publication number
- BE390909A BE390909A BE390909DA BE390909A BE 390909 A BE390909 A BE 390909A BE 390909D A BE390909D A BE 390909DA BE 390909 A BE390909 A BE 390909A
- 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 |
|---|---|---|---|
| DE734604X | 1931-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE390909A true BE390909A (xx) |
Family
ID=6641901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE390909D BE390909A (xx) | 1931-09-16 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE390909A (xx) |
| FR (1) | FR734604A (xx) |
-
0
- BE BE390909D patent/BE390909A/xx unknown
-
1932
- 1932-04-04 FR FR734604D patent/FR734604A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR734604A (fr) | 1932-10-25 |