BE722865A - - Google Patents
Info
- Publication number
- BE722865A BE722865A BE722865A BE722865A BE722865A BE 722865 A BE722865 A BE 722865A BE 722865 A BE722865 A BE 722865A BE 722865 A BE722865 A BE 722865A BE 722865 A BE722865 A BE 722865A
- 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)
- Telephone Set Structure (AREA)
- Interface Circuits In Exchanges (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2197467 | 1967-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722865A true BE722865A (https=) | 1969-04-25 |
Family
ID=11189612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722865A BE722865A (https=) | 1967-10-25 | 1968-10-25 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3557326A (https=) |
| JP (1) | JPS4828565B1 (https=) |
| BE (1) | BE722865A (https=) |
| DE (1) | DE6802970U (https=) |
| ES (1) | ES359452A1 (https=) |
| FR (1) | FR1585384A (https=) |
| GB (1) | GB1239038A (https=) |
| NL (1) | NL6815262A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7317438A (https=) * | 1973-01-11 | 1974-07-15 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2963554A (en) * | 1959-08-06 | 1960-12-06 | Bell Telephone Labor Inc | Call transmitter |
| BE637291A (https=) * | 1962-09-12 |
-
1968
- 1968-10-08 JP JP43072904A patent/JPS4828565B1/ja active Pending
- 1968-10-09 DE DE6802970U patent/DE6802970U/de not_active Expired
- 1968-10-16 GB GB4900568A patent/GB1239038A/en not_active Expired
- 1968-10-23 ES ES359452A patent/ES359452A1/es not_active Expired
- 1968-10-25 FR FR171331A patent/FR1585384A/fr not_active Expired
- 1968-10-25 US US770552A patent/US3557326A/en not_active Expired - Lifetime
- 1968-10-25 NL NL6815262A patent/NL6815262A/xx unknown
- 1968-10-25 BE BE722865A patent/BE722865A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE6802970U (de) | 1969-09-17 |
| FR1585384A (https=) | 1970-01-16 |
| NL6815262A (https=) | 1969-04-29 |
| US3557326A (en) | 1971-01-19 |
| GB1239038A (https=) | 1971-07-14 |
| JPS4828565B1 (https=) | 1973-09-03 |
| ES359452A1 (es) | 1970-06-01 |