BE637291A - - Google Patents
Info
- Publication number
- BE637291A BE637291A BE637291DA BE637291A BE 637291 A BE637291 A BE 637291A BE 637291D A BE637291D A BE 637291DA BE 637291 A BE637291 A BE 637291A
- 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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Transmission Devices (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL283122 | 1962-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE637291A true BE637291A (https=) |
Family
ID=19754097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE637291D BE637291A (https=) | 1962-09-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3301966A (https=) |
| BE (1) | BE637291A (https=) |
| CH (1) | CH423890A (https=) |
| DE (1) | DE1205590B (https=) |
| ES (1) | ES291232A1 (https=) |
| NL (1) | NL283122A (https=) |
| SE (1) | SE301661B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828565B1 (https=) * | 1967-10-25 | 1973-09-03 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1532676A (en) * | 1921-01-21 | 1925-04-07 | Automatic Electric Co | Automatic calling device |
| US1506760A (en) * | 1922-05-24 | 1924-09-02 | Western Electric Co | Calling device |
| US2963554A (en) * | 1959-08-06 | 1960-12-06 | Bell Telephone Labor Inc | Call transmitter |
-
0
- BE BE637291D patent/BE637291A/xx unknown
- NL NL283122D patent/NL283122A/xx unknown
-
1963
- 1963-07-09 SE SE7622/63A patent/SE301661B/xx unknown
- 1963-08-30 ES ES0291232A patent/ES291232A1/es not_active Expired
- 1963-09-05 US US306754A patent/US3301966A/en not_active Expired - Lifetime
- 1963-09-06 DE DEJ24381A patent/DE1205590B/de active Pending
- 1963-09-11 CH CH1120663A patent/CH423890A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3301966A (en) | 1967-01-31 |
| NL283122A (https=) | |
| ES291232A1 (es) | 1963-12-01 |
| SE301661B (https=) | 1968-06-17 |
| DE1205590B (de) | 1965-11-25 |
| CH423890A (de) | 1966-11-15 |