NL7405798A - - Google Patents
Info
- Publication number
- NL7405798A NL7405798A NL7405798A NL7405798A NL7405798A NL 7405798 A NL7405798 A NL 7405798A NL 7405798 A NL7405798 A NL 7405798A NL 7405798 A NL7405798 A NL 7405798A NL 7405798 A NL7405798 A NL 7405798A
- 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
- H04M1/312—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 pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732321794 DE2321794B2 (de) | 1973-04-30 | 1973-04-30 | Tastwahl-Nummernschalter für Fernsprechteilnehmerapparate |
| DE19732321897 DE2321897C3 (de) | 1973-04-30 | Schaltungsanordnung zum Ableiten einer als Spannungsabfall in einer stromdurchflossenen Schleife auftretenden kleinen Gleichspannung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7405798A true NL7405798A (enExample) | 1974-11-01 |
Family
ID=25765065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7405798A NL7405798A (enExample) | 1973-04-30 | 1974-04-30 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT339382B (enExample) |
| FR (1) | FR2227696B1 (enExample) |
| IT (1) | IT1011800B (enExample) |
| NL (1) | NL7405798A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE7608076L (sv) * | 1975-07-25 | 1977-01-26 | Carlo Baldoni | Med tio siffror forsedd, digital nummertagare av tangenttyp |
-
1974
- 1974-04-25 AT AT341974A patent/AT339382B/de not_active IP Right Cessation
- 1974-04-29 IT IT6833474A patent/IT1011800B/it active
- 1974-04-30 NL NL7405798A patent/NL7405798A/xx not_active Application Discontinuation
- 1974-04-30 FR FR7414974A patent/FR2227696B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2227696B1 (enExample) | 1980-08-29 |
| IT1011800B (it) | 1977-02-10 |
| AT339382B (de) | 1977-10-10 |
| FR2227696A1 (enExample) | 1974-11-22 |
| ATA341974A (de) | 1977-02-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |