NL264401A - - Google Patents

Info

Publication number
NL264401A
NL264401A NL264401DA NL264401A NL 264401 A NL264401 A NL 264401A NL 264401D A NL264401D A NL 264401DA NL 264401 A NL264401 A NL 264401A
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 NL264401A publication Critical patent/NL264401A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices
    • H03K17/82Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using non-linear magnetic devices; using non-linear dielectric devices the devices being transfluxors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/2272Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Magnetic Treatment Devices (AREA)
  • Measuring Magnetic Variables (AREA)
NL264401D 1960-05-04 NL264401A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26758A US3175042A (en) 1960-05-04 1960-05-04 Monitoring gate circuit

Publications (1)

Publication Number Publication Date
NL264401A true NL264401A (fr)

Family

ID=21833632

Family Applications (2)

Application Number Title Priority Date Filing Date
NL264401D NL264401A (fr) 1960-05-04
NL136573D NL136573C (fr) 1960-05-04

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL136573D NL136573C (fr) 1960-05-04

Country Status (7)

Country Link
US (1) US3175042A (fr)
JP (1) JPS398275B1 (fr)
BE (1) BE603392A (fr)
DE (1) DE1438234B2 (fr)
FR (1) FR1288546A (fr)
GB (1) GB980704A (fr)
NL (2) NL136573C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3524933A (en) * 1967-09-14 1970-08-18 Automatic Elect Lab Line circuit scanner for electronic telephone systems
US3671759A (en) * 1970-09-02 1972-06-20 Northern Electric Co Magnetic sensor
US3899644A (en) * 1974-06-19 1975-08-12 Data Time AC/DC-monitoring telephone line ringing voltage detector
US4118597A (en) * 1975-06-23 1978-10-03 Proctor & Associates Company Method and apparatus for detecting direct currents in a transmission line

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805407A (en) * 1953-07-30 1957-09-03 Bell Telephone Labor Inc Magnetic register
US2938129A (en) * 1958-01-21 1960-05-24 Clarence B House Variable frequency magnetic multivibrator
US3024447A (en) * 1958-08-06 1962-03-06 Gen Electric Core signal translating devices
US2976472A (en) * 1960-01-04 1961-03-21 Bell Telephone Labor Inc Magnetic control circuits

Also Published As

Publication number Publication date
JPS398275B1 (fr) 1964-05-22
FR1288546A (fr) 1962-03-24
NL136573C (fr)
DE1438234B2 (de) 1971-12-30
DE1438234A1 (de) 1968-12-19
BE603392A (fr) 1961-09-01
US3175042A (en) 1965-03-23
GB980704A (en) 1965-01-20

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