BE603392A - Appareil moniteur de circuits électriques. - Google Patents

Appareil moniteur de circuits électriques.

Info

Publication number
BE603392A
BE603392A BE603392A BE603392A BE603392A BE 603392 A BE603392 A BE 603392A BE 603392 A BE603392 A BE 603392A BE 603392 A BE603392 A BE 603392A BE 603392 A BE603392 A BE 603392A
Authority
BE
Belgium
Prior art keywords
electrical circuit
monitor device
circuit monitor
electrical
monitor
Prior art date
Application number
BE603392A
Other languages
English (en)
Inventor
John Arnold Baldwin Jr
Harold Frederick May
Original Assignee
Western Electric Co
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.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of BE603392A publication Critical patent/BE603392A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80—Electronic 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/80—Electronic 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
    • H03K17/82—Electronic 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber 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)
BE603392A 1960-05-04 1961-05-04 Appareil moniteur de circuits électriques. BE603392A (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
BE603392A true BE603392A (fr) 1961-09-01

Family

ID=21833632

Family Applications (1)

Application Number Title Priority Date Filing Date
BE603392A BE603392A (fr) 1960-05-04 1961-05-04 Appareil moniteur de circuits électriques.

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
NL264401A (fr)
NL136573C (fr)
DE1438234B2 (de) 1971-12-30
DE1438234A1 (de) 1968-12-19
US3175042A (en) 1965-03-23
GB980704A (en) 1965-01-20

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