GB533887A - Improvements in or relating to adjustable slideable-electrode condensers - Google Patents

Improvements in or relating to adjustable slideable-electrode condensers

Info

Publication number
GB533887A
GB533887A GB31896/39A GB3189639A GB533887A GB 533887 A GB533887 A GB 533887A GB 31896/39 A GB31896/39 A GB 31896/39A GB 3189639 A GB3189639 A GB 3189639A GB 533887 A GB533887 A GB 533887A
Authority
GB
United Kingdom
Prior art keywords
condensers
electrode
electrodes
slideable
relating
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
GB31896/39A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB533887A publication Critical patent/GB533887A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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

Abstract

533,887. Variable condensers. PHILIPS LAMPS, Ltd. Dec. 9, 1939, No. 31896. Convention date, Dec. 12, 1938. [Class 37] Sliding-electrode condensers have fixed and movable electrodes secured to at least one support and those parts of the supports and electrodes which extend in the direction of adjustment are made of the same material or of materials having equal thermal expansion coefficients. In the example the longitudinal members 2, 4 of the frame and the shaft 9 are made of aluminium while the electrodes 10-12 and 14-16 are cast from a lead - antimonv allov containing 13 per cent. of antimony.
GB31896/39A 1938-12-12 1939-12-09 Improvements in or relating to adjustable slideable-electrode condensers Expired GB533887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE533887X 1938-12-12

Publications (1)

Publication Number Publication Date
GB533887A true GB533887A (en) 1941-02-21

Family

ID=6556236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31896/39A Expired GB533887A (en) 1938-12-12 1939-12-09 Improvements in or relating to adjustable slideable-electrode condensers

Country Status (2)

Country Link
FR (1) FR862232A (en)
GB (1) GB533887A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107827B (en) * 1958-07-11 1961-05-31 Nordmende Device for guiding the adjustable lining carriers of sliding capacitors, in particular of multiple sliding capacitors for pot circles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107827B (en) * 1958-07-11 1961-05-31 Nordmende Device for guiding the adjustable lining carriers of sliding capacitors, in particular of multiple sliding capacitors for pot circles

Also Published As

Publication number Publication date
FR862232A (en) 1941-03-01

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