BE524811A - - Google Patents
Info
- Publication number
- BE524811A BE524811A BE524811DA BE524811A BE 524811 A BE524811 A BE 524811A BE 524811D A BE524811D A BE 524811DA BE 524811 A BE524811 A BE 524811A
- 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)
- Electron Tubes For Measurement (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US328787A US2794976A (en) | 1952-12-30 | 1952-12-30 | Impulse senders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524811A true BE524811A (fr) |
Family
ID=23282438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524811D BE524811A (fr) | 1952-12-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2794976A (fr) |
| BE (1) | BE524811A (fr) |
| DE (1) | DE960733C (fr) |
| GB (1) | GB735620A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930854A (en) * | 1957-12-23 | 1960-03-29 | Gen Dynamics Corp | Key sender |
| US3488450A (en) * | 1966-12-02 | 1970-01-06 | American Telephone & Telegraph | Sender for transmitting trains of pulses |
| US3614331A (en) * | 1968-09-30 | 1971-10-19 | Mkh Inc | Keyboard pulse generator including a locking plate for use in telephone dialing |
| GB1250234A (fr) * | 1969-03-05 | 1971-10-20 | ||
| JPS49120540A (fr) * | 1973-03-16 | 1974-11-18 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2268859A (en) * | 1936-09-05 | 1942-01-06 | Zwietusch E & Co Gmbh | Impulse sender |
| BE468349A (fr) * | 1944-08-17 | |||
| US2463708A (en) * | 1945-03-10 | 1949-03-08 | Automatic Elect Lab | Impulse sender |
| FR956899A (fr) * | 1946-10-30 | 1950-02-09 | ||
| GB657760A (en) * | 1948-04-07 | 1951-09-26 | Standard Telephones Cables Ltd | Improvements in or relating to electric signalling systems |
| US2693593A (en) * | 1950-08-19 | 1954-11-02 | Remington Rand Inc | Decoding circuit |
-
0
- BE BE524811D patent/BE524811A/xx unknown
-
1952
- 1952-12-30 US US328787A patent/US2794976A/en not_active Expired - Lifetime
-
1953
- 1953-11-16 GB GB31747/53A patent/GB735620A/en not_active Expired
- 1953-12-02 DE DEA19255A patent/DE960733C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE960733C (de) | 1957-03-28 |
| GB735620A (en) | 1955-08-24 |
| US2794976A (en) | 1957-06-04 |