BE464784A - - Google Patents
Info
- Publication number
- BE464784A BE464784A BE464784DA BE464784A BE 464784 A BE464784 A BE 464784A BE 464784D A BE464784D A BE 464784DA BE 464784 A BE464784 A BE 464784A
- 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
- H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB19975/39A GB531693A (en) | 1939-07-08 | 1939-07-08 | Improvements in impulse senders for use in telephone or like systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464784A true BE464784A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10138229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464784D BE464784A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1939-07-08 |
Country Status (3)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2759429A (en) * | 1951-06-11 | 1956-08-21 | Phillips Petroleum Co | Valve control for gas lift |
| US3046355A (en) * | 1957-12-30 | 1962-07-24 | Bell Telephone Labor Inc | Impulse transmitting mechanism |
| US3104286A (en) * | 1960-07-15 | 1963-09-17 | Mc Graw Edison Co | Mechanical telephone dialing instrument |
-
0
- BE BE464784D patent/BE464784A/xx unknown
-
1939
- 1939-07-08 GB GB19975/39A patent/GB531693A/en not_active Expired
-
1940
- 1940-07-01 US US343399A patent/US2368104A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB531693A (en) | 1941-01-09 |
| US2368104A (en) | 1945-01-30 |