DE2053618C3 - Variabler Kondensator - Google Patents

Variabler Kondensator

Info

Publication number
DE2053618C3
DE2053618C3 DE2053618A DE2053618A DE2053618C3 DE 2053618 C3 DE2053618 C3 DE 2053618C3 DE 2053618 A DE2053618 A DE 2053618A DE 2053618 A DE2053618 A DE 2053618A DE 2053618 C3 DE2053618 C3 DE 2053618C3
Authority
DE
Germany
Prior art keywords
electrode
continuous
capacitor
subsegments
counter
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
DE2053618A
Other languages
German (de)
English (en)
Other versions
DE2053618A1 (de
DE2053618B2 (de
Inventor
John Hamilton Stamford Vt. Fabricius (V.St.A.)
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.)
Sprague Electric Co
Original Assignee
Sprague 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 Sprague Electric Co filed Critical Sprague Electric Co
Publication of DE2053618A1 publication Critical patent/DE2053618A1/de
Publication of DE2053618B2 publication Critical patent/DE2053618B2/de
Application granted granted Critical
Publication of DE2053618C3 publication Critical patent/DE2053618C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • H03G5/12—Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback

Landscapes

  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Amplifiers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Adjustable Resistors (AREA)
DE2053618A 1970-05-14 1970-10-31 Variabler Kondensator Expired DE2053618C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3708370A 1970-05-14 1970-05-14

Publications (3)

Publication Number Publication Date
DE2053618A1 DE2053618A1 (de) 1971-12-02
DE2053618B2 DE2053618B2 (de) 1980-03-06
DE2053618C3 true DE2053618C3 (de) 1980-11-13

Family

ID=21892360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2053618A Expired DE2053618C3 (de) 1970-05-14 1970-10-31 Variabler Kondensator

Country Status (5)

Country Link
US (1) US3668478A (show.php)
DE (1) DE2053618C3 (show.php)
FR (1) FR2093498A5 (show.php)
GB (1) GB1307665A (show.php)
NL (1) NL167541C (show.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900002640Y1 (ko) * 1986-02-10 1990-03-31 알프스 덴기 가부시기 가이샤 다련 슬라이드형 전기부품
US6054908A (en) * 1997-12-12 2000-04-25 Trw Inc. Variable bandwidth filter
US6324066B1 (en) * 1999-07-19 2001-11-27 Motorola, Inc. Surface mountable electronic device
JP5066982B2 (ja) * 2007-04-02 2012-11-07 ソニー株式会社 制御装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2591705A (en) * 1949-01-18 1952-04-08 Herlec Corp Variable capacitor
US2637778A (en) * 1950-10-20 1953-05-05 Sprague Electric Co Tone compensated volume control
US2790970A (en) * 1951-01-04 1957-04-30 Sprague Electric Co Audio frequency signal transfer control circuits
US3426267A (en) * 1968-01-18 1969-02-04 Vitramon Inc Variable resistor-capacitor unit

Also Published As

Publication number Publication date
NL167541C (nl) 1981-12-16
NL7105732A (show.php) 1971-11-16
FR2093498A5 (show.php) 1972-01-28
US3668478A (en) 1972-06-06
GB1307665A (en) 1973-02-21
NL167541B (nl) 1981-07-16
DE2053618A1 (de) 1971-12-02
DE2053618B2 (de) 1980-03-06

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Legal Events

Date Code Title Description
OI Miscellaneous see part 1
OF Willingness to grant licences before publication of examined application
C3 Grant after two publication steps (3rd publication)
8340 Patent of addition ceased/non-payment of fee of main patent