GB608915A - Improvements in or relating to indicating devices constituted by a scale and an index which can move along a guide path - Google Patents

Improvements in or relating to indicating devices constituted by a scale and an index which can move along a guide path

Info

Publication number
GB608915A
GB608915A GB6564/46A GB656446A GB608915A GB 608915 A GB608915 A GB 608915A GB 6564/46 A GB6564/46 A GB 6564/46A GB 656446 A GB656446 A GB 656446A GB 608915 A GB608915 A GB 608915A
Authority
GB
United Kingdom
Prior art keywords
index
scale
cord
guide path
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
GB6564/46A
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 GB608915A publication Critical patent/GB608915A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/041—Pointers, markers, or the like, for tuning dials; Folding dials

Landscapes

  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

608,915. Indicating-apparatus. PHILIPS LAMPS, Ltd. March 2, 1946, No. 6564. Convention date, March 3, 1945. [Class 106 (iv)] [Also in Group XL (c)] In instruments having a scale and an index displaced by means of a cord along a curved guide path, the path is elliptical and the cord passes over pulleys at the foci of the ellipse. As shown in Figs. 2 and 3, an index 3 on a plate 11 having a tail-piece 12 guided in a slot 10 in the elliptic surface of a wireless cabinet, co-operates with a scale 2 and is attached to a cord 8, 9 which passes over pulleys 6, at the foci of the ellipse 5. The cord is driven by a control 4 and may be endless, wound on a dram with springs to take up the slack or the two ends may be wound upon two drums geared together. A felt disc 14 reduces friction between the plate 11 and the cabinet. Specification 575,493, [Group XL], is referred to.
GB6564/46A 1945-03-03 1946-03-02 Improvements in or relating to indicating devices constituted by a scale and an index which can move along a guide path Expired GB608915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE608915X 1945-03-03

Publications (1)

Publication Number Publication Date
GB608915A true GB608915A (en) 1948-09-22

Family

ID=3875199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6564/46A Expired GB608915A (en) 1945-03-03 1946-03-02 Improvements in or relating to indicating devices constituted by a scale and an index which can move along a guide path

Country Status (4)

Country Link
US (1) US2578965A (en)
BE (1) BE458294A (en)
FR (1) FR924993A (en)
GB (1) GB608915A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707902A (en) * 1951-08-23 1955-05-10 Bendix Aviat Corp Optical system for cathode-ray tubes
US3011034A (en) * 1957-03-20 1961-11-28 Gen Motors Corp Linear scale timer
DE19922475A1 (en) * 1999-05-15 2001-05-03 Frank Engel Linkage drive for pointer drive generates pointer motion on non-circular path; pointer motion within one revolution is non-uniform, resulting in unequal scale intervals, greater resolution
DE10325793A1 (en) * 2003-06-05 2004-12-30 Borg Instruments Ag linear pointer
GB2478111B (en) * 2010-02-19 2014-03-26 Visteon Global Tech Inc Gauge
DE102014004181B4 (en) * 2014-03-22 2015-11-26 Audi Ag Display device for a motor vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1695919A (en) * 1925-08-07 1928-12-18 Leslie A Gould Tuning device
US2397306A (en) * 1943-02-11 1946-03-26 Philco Radio & Television Corp Portable radio receiver

Also Published As

Publication number Publication date
BE458294A (en)
FR924993A (en) 1947-08-21
US2578965A (en) 1951-12-18

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