BE801885A - Impedance variable - Google Patents

Impedance variable

Info

Publication number
BE801885A
BE801885A BE133089A BE133089A BE801885A BE 801885 A BE801885 A BE 801885A BE 133089 A BE133089 A BE 133089A BE 133089 A BE133089 A BE 133089A BE 801885 A BE801885 A BE 801885A
Authority
BE
Belgium
Prior art keywords
variable impedance
impedance
variable
Prior art date
Application number
BE133089A
Other languages
English (en)
Inventor
J L Bowen
Original Assignee
Johnson & Co E F
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 Johnson & Co E F filed Critical Johnson & Co E F
Publication of BE801885A publication Critical patent/BE801885A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/04—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode
    • H01G5/12—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture using variation of effective area of electrode due to rotation of part-cylindrical, conical, or spherical electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Adjustable Resistors (AREA)
  • Measuring Leads Or Probes (AREA)
BE133089A 1972-08-21 1973-07-04 Impedance variable BE801885A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28244672A 1972-08-21 1972-08-21

Publications (1)

Publication Number Publication Date
BE801885A true BE801885A (fr) 1973-11-05

Family

ID=23081564

Family Applications (1)

Application Number Title Priority Date Filing Date
BE133089A BE801885A (fr) 1972-08-21 1973-07-04 Impedance variable

Country Status (8)

Country Link
US (1) US3775647A (fr)
JP (1) JPS4959262A (fr)
BE (1) BE801885A (fr)
DE (1) DE2334074A1 (fr)
FR (1) FR2237290B3 (fr)
IT (1) IT990271B (fr)
LU (1) LU67995A1 (fr)
NL (1) NL7308807A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1586064A (en) * 1976-09-18 1981-03-18 Oxley R F Trimmer capacitors
US4575779A (en) * 1984-05-23 1986-03-11 Voltronics Corporation Variable electronic component

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1567068A (en) * 1922-04-17 1925-12-29 Reliance Die And Stamping Comp Electric condenser
US2475144A (en) * 1946-05-31 1949-07-05 Globe Union Inc Capacitor
GB768410A (en) * 1955-04-05 1957-02-13 Wingrove & Rogers Ltd Improvements in or relating to variable electric capacitors
US3679940A (en) * 1971-01-21 1972-07-25 Voltronics Corp Trimmer capacitor

Also Published As

Publication number Publication date
DE2334074A1 (de) 1974-03-07
FR2237290B3 (fr) 1976-06-18
NL7308807A (fr) 1974-02-25
US3775647A (en) 1973-11-27
IT990271B (it) 1975-06-20
JPS4959262A (fr) 1974-06-08
FR2237290A1 (fr) 1975-02-07
LU67995A1 (fr) 1973-09-13

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