FR833355A - Electrical network with variable resistors - Google Patents

Electrical network with variable resistors

Info

Publication number
FR833355A
FR833355A FR833355DA FR833355A FR 833355 A FR833355 A FR 833355A FR 833355D A FR833355D A FR 833355DA FR 833355 A FR833355 A FR 833355A
Authority
FR
France
Prior art keywords
electrical network
variable resistors
resistors
variable
network
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR833355A publication Critical patent/FR833355A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0041—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using thermistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators
    • H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
    • H03H7/251—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a thermistor

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Temperature (AREA)
  • Thermistors And Varistors (AREA)
FR833355D 1937-02-06 1938-02-07 Electrical network with variable resistors Expired FR833355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE833355X 1937-02-06

Publications (1)

Publication Number Publication Date
FR833355A true FR833355A (en) 1938-10-20

Family

ID=6759143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833355D Expired FR833355A (en) 1937-02-06 1938-02-07 Electrical network with variable resistors

Country Status (4)

Country Link
AT (1) AT156762B (en)
BE (1) BE426240A (en)
FR (1) FR833355A (en)
GB (1) GB514614A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811695A (en) * 1954-10-18 1957-10-29 Bell Telephone Labor Inc Automatic level control
US3522453A (en) * 1966-07-15 1970-08-04 Jerrold Electronics Corp Variable attenuators

Also Published As

Publication number Publication date
AT156762B (en) 1939-08-25
BE426240A (en) 1938-03-31
GB514614A (en) 1939-11-13

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