NL132693C - - Google Patents
Info
- Publication number
- NL132693C NL132693C NL132693DA NL132693C NL 132693 C NL132693 C NL 132693C NL 132693D A NL132693D A NL 132693DA NL 132693 C NL132693 C NL 132693C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Prepayment Telephone Systems (AREA)
- Sorting Of Articles (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6608511A NL6608511A (de) | 1966-06-20 | 1966-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL132693C true NL132693C (de) |
Family
ID=19796923
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL132693D NL132693C (de) | 1966-06-20 | ||
| NL6608511A NL6608511A (de) | 1966-06-20 | 1966-06-20 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6608511A NL6608511A (de) | 1966-06-20 | 1966-06-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE700192A (de) |
| DE (1) | DE1512992A1 (de) |
| GB (1) | GB1156952A (de) |
| NL (2) | NL6608511A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3211980A1 (de) * | 1982-03-31 | 1983-10-13 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur decodierung frequenzcodierter signale |
-
0
- NL NL132693D patent/NL132693C/xx active
-
1966
- 1966-06-20 NL NL6608511A patent/NL6608511A/xx unknown
-
1967
- 1967-06-15 GB GB2760667A patent/GB1156952A/en not_active Expired
- 1967-06-19 DE DE19671512992 patent/DE1512992A1/de active Pending
- 1967-06-20 BE BE700192D patent/BE700192A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1156952A (en) | 1969-07-02 |
| BE700192A (de) | 1967-12-01 |
| NL6608511A (de) | 1967-12-21 |
| DE1512992A1 (de) | 1969-08-28 |