NL241067A - - Google Patents
Info
- Publication number
- NL241067A NL241067A NL241067DA NL241067A NL 241067 A NL241067 A NL 241067A NL 241067D A NL241067D A NL 241067DA NL 241067 A NL241067 A NL 241067A
- 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
- H04Q1/442—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL241067 | 1959-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL241067A true NL241067A (US07922777-20110412-C00004.png) |
Family
ID=19751818
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL241067D NL241067A (US07922777-20110412-C00004.png) | 1959-07-08 | ||
| NL109531D NL109531C (US07922777-20110412-C00004.png) | 1959-07-08 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL109531D NL109531C (US07922777-20110412-C00004.png) | 1959-07-08 |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1956621B1 (en) * | 2007-02-12 | 2010-08-11 | Thales Security Solutions & Services GmbH | Relay switching-on circuit |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1020673B (de) * | 1955-10-06 | 1957-12-12 | Siemens Ag | Verfahren und Einrichtung zur gemeinsamen Steuerung mehrerer in Reihe liegender Halbleiterschalter |
| DE1081505B (de) * | 1958-09-18 | 1960-05-12 | Licentia Gmbh | Transistorschalter zum schnellen Entmagnetisieren induktiver Stromverbraucher |
| DE1071133B (de) * | 1958-08-08 | 1959-12-17 | Standard Efcktrik Lorenz Aktiengesellschaft, Stuttgart-Zuffenhausen | Anordnung zur begrenzung von abschaltspannungen an mit transistorschalter in reihe liegende induktivitäten |
-
0
- NL NL241067D patent/NL241067A/xx unknown
- NL NL109531D patent/NL109531C/xx active
-
1960
- 1960-07-05 DE DEN18581A patent/DE1128465B/de active Pending
- 1960-07-05 GB GB23467/60A patent/GB957803A/en not_active Expired
- 1960-07-08 FR FR832437A patent/FR1262263A/fr not_active Expired
-
1965
- 1965-07-06 JP JP3033965A patent/JPS381814B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL109531C (US07922777-20110412-C00004.png) | |
| GB957803A (en) | 1964-05-13 |
| FR1262263A (fr) | 1961-05-26 |
| DE1128465B (de) | 1962-04-26 |
| JPS381814B1 (US07922777-20110412-C00004.png) | 1963-03-07 |
