GB529470A - Improvements in frame aerials for radio-communication apparatus - Google Patents

Improvements in frame aerials for radio-communication apparatus

Info

Publication number
GB529470A
GB529470A GB16144/39A GB1614439A GB529470A GB 529470 A GB529470 A GB 529470A GB 16144/39 A GB16144/39 A GB 16144/39A GB 1614439 A GB1614439 A GB 1614439A GB 529470 A GB529470 A GB 529470A
Authority
GB
United Kingdom
Prior art keywords
frame
ties
inductance
june
arc
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
GB16144/39A
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.)
Industrie Magneti Marelli SRL
Marelli Europe SpA
Original Assignee
Fabbrica Italiana Magneti Marelli SpA
Magneti Marelli SpA
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 Fabbrica Italiana Magneti Marelli SpA, Magneti Marelli SpA filed Critical Fabbrica Italiana Magneti Marelli SpA
Publication of GB529470A publication Critical patent/GB529470A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/29—Rotarily connected, differentially translatable members, e.g., turn-buckle, etc.
    • Y10T403/291—Rotarily connected, differentially translatable members, e.g., turn-buckle, etc. having tool-engaging means or operating handle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
    • Y10T74/20408—Constant tension sustaining

Landscapes

  • Details Of Aerials (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

529,470. Frame aerials. FABBRICA ITALIANA MAGNETI MARELLI. June 1, 1939, No. 16144. Convention date, June 3, 1938. [Class 40 (v)] A frame aerial comprises a flexible and elastic conductor 1 bent into an arc and having at least one intermediate point 4 connected by ties 5 to normally stationary points 6, formed for example by the case 3 of a radio apparatus. The ties 5 placed under tension stiffen the arc 1 so that it retains its configuration and also its inductance in spite of shocks and vibrations. The shape of the frame 1 and consequently its inductance may be altered by passing the ends of the ties 5 round rollers 6 and connecting them to sliders 7 which are engaged by a right- and left-handed screw 9 operated by a knob 10.
GB16144/39A 1938-06-03 1939-06-01 Improvements in frame aerials for radio-communication apparatus Expired GB529470A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT214055X 1938-06-03

Publications (1)

Publication Number Publication Date
GB529470A true GB529470A (en) 1940-11-21

Family

ID=11181276

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16144/39A Expired GB529470A (en) 1938-06-03 1939-06-01 Improvements in frame aerials for radio-communication apparatus

Country Status (5)

Country Link
US (1) US2222752A (en)
CH (1) CH214055A (en)
DE (1) DE719067C (en)
FR (1) FR855500A (en)
GB (1) GB529470A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419311A (en) * 1944-12-19 1947-04-22 Emile B Bigue Antenna
US2787857A (en) * 1953-10-02 1957-04-09 Donald E Schlegelmilch Adjustable reel clamp for fishing rods
US2825386A (en) * 1954-11-17 1958-03-04 Western Electric Co Universal bending mandrel utilizing connecting cable
US3051952A (en) * 1958-06-02 1962-08-28 Sylvania Electric Prod U.h.f. loop antenna
US3284801A (en) * 1964-01-15 1966-11-08 John J Bryant Large loop antenna

Also Published As

Publication number Publication date
CH214055A (en) 1941-03-31
US2222752A (en) 1940-11-26
DE719067C (en) 1942-03-27
FR855500A (en) 1940-05-11

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