BE354669A - - Google Patents
Info
- Publication number
- BE354669A BE354669A BE354669DA BE354669A BE 354669 A BE354669 A BE 354669A BE 354669D A BE354669D A BE 354669DA BE 354669 A BE354669 A BE 354669A
- 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)
- Telephone Set Structure (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US232772A US1770554A (en) | 1927-11-12 | 1927-11-12 | Calling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE354669A true BE354669A (en:Method) |
Family
ID=22874517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE354669D BE354669A (en:Method) | 1927-11-12 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1770554A (en:Method) |
| BE (1) | BE354669A (en:Method) |
| GB (1) | GB300498A (en:Method) |
-
0
- BE BE354669D patent/BE354669A/xx unknown
-
1927
- 1927-11-12 US US232772A patent/US1770554A/en not_active Expired - Lifetime
-
1928
- 1928-10-09 GB GB28993/28A patent/GB300498A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1770554A (en) | 1930-07-15 |
| GB300498A (en) | 1930-01-09 |