GB8522919D0 - Variable capacitors - Google Patents

Variable capacitors

Info

Publication number
GB8522919D0
GB8522919D0 GB858522919A GB8522919A GB8522919D0 GB 8522919 D0 GB8522919 D0 GB 8522919D0 GB 858522919 A GB858522919 A GB 858522919A GB 8522919 A GB8522919 A GB 8522919A GB 8522919 D0 GB8522919 D0 GB 8522919D0
Authority
GB
United Kingdom
Prior art keywords
variable capacitors
capacitors
variable
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.)
Granted
Application number
GB858522919A
Other versions
GB2166905B (en
GB2166905A (en
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of GB8522919D0 publication Critical patent/GB8522919D0/en
Publication of GB2166905A publication Critical patent/GB2166905A/en
Application granted granted Critical
Publication of GB2166905B publication Critical patent/GB2166905B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G5/00Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/01Details
    • H01G5/013Dielectrics
    • H01G5/0134Solid dielectrics
    • H01G5/0136Solid dielectrics with movable electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G5/00Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/04Capacitors 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
    • H01G5/06Capacitors 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 flat or substantially flat electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G5/00Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
    • H01G5/38Multiple capacitors, e.g. ganged

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
GB08522919A 1984-11-13 1985-09-17 Variable capacitors Expired GB2166905B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984171037U JPH0419790Y2 (en) 1984-11-13 1984-11-13

Publications (3)

Publication Number Publication Date
GB8522919D0 true GB8522919D0 (en) 1985-10-23
GB2166905A GB2166905A (en) 1986-05-14
GB2166905B GB2166905B (en) 1989-01-05

Family

ID=15915916

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08522919A Expired GB2166905B (en) 1984-11-13 1985-09-17 Variable capacitors

Country Status (3)

Country Link
JP (1) JPH0419790Y2 (en)
KR (1) KR890007222Y1 (en)
GB (1) GB2166905B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB489113A (en) * 1936-01-25 1938-07-20 Loewe Opta Gmbh Rotating plate condenser
GB1133238A (en) * 1965-11-11 1968-11-13 Rudolf Hopt Improved tuning device
US3818287A (en) * 1972-10-30 1974-06-18 Alps Electric Co Ltd Variable condenser
JPS5950428B2 (en) * 1980-09-08 1984-12-08 株式会社明電舎 Tension adjustment device for material at welded parts in pipe manufacturing process
JPS5950428U (en) * 1982-09-25 1984-04-03 ミツミ電機株式会社 variable capacitor

Also Published As

Publication number Publication date
GB2166905B (en) 1989-01-05
JPH0419790Y2 (en) 1992-05-06
KR890007222Y1 (en) 1989-10-20
JPS6186921U (en) 1986-06-07
GB2166905A (en) 1986-05-14
KR860006690U (en) 1986-06-25

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee