NL7305730A - - Google Patents
Info
- Publication number
- NL7305730A NL7305730A NL7305730A NL7305730A NL7305730A NL 7305730 A NL7305730 A NL 7305730A NL 7305730 A NL7305730 A NL 7305730A NL 7305730 A NL7305730 A NL 7305730A NL 7305730 A NL7305730 A NL 7305730A
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mechanical Control Devices (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2225208A DE2225208B2 (de) | 1972-05-24 | 1972-05-24 | Nummernschalter mit auf den Bremsregler wirkendem Richtgesperre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7305730A true NL7305730A (en:Method) | 1973-11-27 |
Family
ID=5845736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7305730A NL7305730A (en:Method) | 1972-05-24 | 1973-04-24 |
Country Status (11)
| Country | Link |
|---|---|
| AR (1) | AR193951A1 (en:Method) |
| BE (1) | BE799981A (en:Method) |
| BR (1) | BR7303724D0 (en:Method) |
| CH (1) | CH548141A (en:Method) |
| DE (1) | DE2225208B2 (en:Method) |
| FR (1) | FR2185904A1 (en:Method) |
| IT (1) | IT987784B (en:Method) |
| LU (1) | LU67640A1 (en:Method) |
| NL (1) | NL7305730A (en:Method) |
| SE (1) | SE379470B (en:Method) |
| ZA (1) | ZA732501B (en:Method) |
-
1972
- 1972-05-24 DE DE2225208A patent/DE2225208B2/de active Granted
-
1973
- 1973-03-16 CH CH384273A patent/CH548141A/xx not_active IP Right Cessation
- 1973-03-29 AR AR247318A patent/AR193951A1/es active
- 1973-04-11 ZA ZA732501A patent/ZA732501B/xx unknown
- 1973-04-24 NL NL7305730A patent/NL7305730A/xx unknown
- 1973-05-21 FR FR7318333A patent/FR2185904A1/fr active Pending
- 1973-05-21 BR BR3724/73A patent/BR7303724D0/pt unknown
- 1973-05-22 LU LU67640A patent/LU67640A1/xx unknown
- 1973-05-22 IT IT24378/73A patent/IT987784B/it active
- 1973-05-24 SE SE7307343A patent/SE379470B/xx unknown
- 1973-05-24 BE BE131478A patent/BE799981A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR193951A1 (es) | 1973-05-31 |
| CH548141A (de) | 1974-04-11 |
| BR7303724D0 (pt) | 1974-07-11 |
| DE2225208B2 (de) | 1974-03-07 |
| DE2225208A1 (de) | 1973-12-06 |
| BE799981A (fr) | 1973-11-26 |
| FR2185904A1 (en:Method) | 1974-01-04 |
| DE2225208C3 (en:Method) | 1974-10-03 |
| LU67640A1 (en:Method) | 1973-07-26 |
| IT987784B (it) | 1975-03-20 |
| SE379470B (en:Method) | 1975-10-06 |
| ZA732501B (en) | 1974-02-27 |