NL232178A - - Google Patents
Info
- Publication number
- NL232178A NL232178A NL232178DA NL232178A NL 232178 A NL232178 A NL 232178A NL 232178D A NL232178D A NL 232178DA NL 232178 A NL232178 A NL 232178A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
- H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL232178 | 1958-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL232178A true NL232178A (xx) |
Family
ID=19751383
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL232178D NL232178A (xx) | 1958-10-10 | ||
| NL104005D NL104005C (xx) | 1958-10-10 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL104005D NL104005C (xx) | 1958-10-10 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS3623516B1 (xx) |
| CH (1) | CH375046A (xx) |
| DE (1) | DE1146925B (xx) |
| FR (1) | FR1237437A (xx) |
| GB (1) | GB912755A (xx) |
| NL (2) | NL104005C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1194917B (de) * | 1963-09-25 | 1965-06-16 | Merk Ag Telefonbau Friedrich | Schaltungsanordnung fuer Fernsprech-vermittlungs-Anlagen |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1138579A (fr) * | 1955-12-14 | 1957-06-17 | Cie Ind Des Telephones | Dispositif d'envoi d'un courant d'appel |
-
0
- NL NL232178D patent/NL232178A/xx unknown
- NL NL104005D patent/NL104005C/xx active
-
1934
- 1934-10-07 JP JP3155459A patent/JPS3623516B1/ja active Pending
-
1959
- 1959-10-07 GB GB34006/59A patent/GB912755A/en not_active Expired
- 1959-10-07 CH CH7914059A patent/CH375046A/de unknown
- 1959-10-07 DE DEN17352A patent/DE1146925B/de active Pending
- 1959-10-08 FR FR806988A patent/FR1237437A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH375046A (de) | 1964-02-15 |
| NL104005C (xx) | |
| JPS3623516B1 (xx) | 1961-12-11 |
| FR1237437A (fr) | 1960-07-29 |
| GB912755A (en) | 1962-12-12 |
| DE1146925B (de) | 1963-04-11 |