NL109531C - - Google Patents

Info

Publication number
NL109531C
NL109531C NL109531DA NL109531C NL 109531 C NL109531 C NL 109531C NL 109531D A NL109531D A NL 109531DA NL 109531 C NL109531 C NL 109531C
Authority
NL
Netherlands
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL109531C publication Critical patent/NL109531C/xx

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)
NL109531D 1959-07-08 NL109531C (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL241067 1959-07-08

Publications (1)

Publication Number Publication Date
NL109531C true NL109531C (sv)

Family

ID=19751818

Family Applications (2)

Application Number Title Priority Date Filing Date
NL241067D NL241067A (sv) 1959-07-08
NL109531D NL109531C (sv) 1959-07-08

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL241067D NL241067A (sv) 1959-07-08

Country Status (5)

Country Link
JP (1) JPS381814B1 (sv)
DE (1) DE1128465B (sv)
FR (1) FR1262263A (sv)
GB (1) GB957803A (sv)
NL (2) NL109531C (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NL241067A (sv)
GB957803A (en) 1964-05-13
FR1262263A (fr) 1961-05-26
DE1128465B (de) 1962-04-26
JPS381814B1 (sv) 1963-03-07

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