US3303506A - Double mast antenna having the upper mast supported by a carrier mast which extends the length of the lower mast - Google Patents

Double mast antenna having the upper mast supported by a carrier mast which extends the length of the lower mast Download PDF

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Publication number
US3303506A
US3303506A US287097A US28709763A US3303506A US 3303506 A US3303506 A US 3303506A US 287097 A US287097 A US 287097A US 28709763 A US28709763 A US 28709763A US 3303506 A US3303506 A US 3303506A
Authority
US
United States
Prior art keywords
mast
envelope
tubular
antenna
carrier
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 - Lifetime
Application number
US287097A
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English (en)
Inventor
Diebold Hugo
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Application granted granted Critical
Publication of US3303506A publication Critical patent/US3303506A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1242—Rigid masts specially adapted for supporting an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome

Definitions

  • a transmitter antenna with an array of directional antennas for example, omnidirectional antennas operating in the ultra short wave range or in the decimeter wave range, is limited by the mechanical stability of the supporting elements of the array. This becomes particularly apparent when it is attempted to arrange upon a mast, tower or other carrier, in superposed relationship, a plurality of antennas for operation in the same or in different frequency ranges.
  • the invention relates to an antenna mast comprising tubular envelopes made of insulating material, assembled to form the facing or the mounting means for a plurality of antennas operating in the ultra short wave range or in the decimeter wave range, especially for television antennas, omindirectional antennas and the like.
  • the principal object of the invention is to provide antenna masts of this kind, which are of great structural height and have sufiicient mechanical stability, employing tubular sections made of insulating material.
  • the antenna elements are fastened to a carrier mast, and the whole structure is surrounded by a protective electrically permeable tubular envelope which is likewise mechanically directly fastened to the carrier mast.
  • a protective electrically permeable tubular envelope which is likewise mechanically directly fastened to the carrier mast.
  • the arrangement provides a tubular mast made of insulating material, serving as a carrier for the dipoles which are fastened to the inside wall thereof, and surround them as a protection against atmospheric influences.
  • the dipoles are constructed as rigid units mounted with the aid of struts in a polygon arrangement on the inner wall of the self-supporting tubular envelope forming the mast, so that the tubular envelope, which is made of insulating material, serves as the sole carrier for the entire antenna arrangement.
  • the protective tubular envelope forms the carrier element.
  • the structural height is limited by the maximum permissible wall thickness of the elements forming the tubular envelope.
  • the above indicated drawbacks are overcome by arranging in superposed coaxial relation two separate self-supporting tubular mast portions or envelopes comprising tubular sections made of insulating material, and supporting the upper mast envelope upon a carrier mast which extends freely upwardly from the foundation of the lower mast portion, inside of the latter, without any direct mechanical connection with the tubular insulating sections of the lower mast envelope.
  • the structure according to the invention results in definite static conditions since the protective envelope or tubular structure of the lower antenna portion assumes the entire wind pressure acting thereon.
  • the carrier mast for supporting the upper antenna envelope is thus completely free of wind pressure.
  • the tubular antenna mast comprising tubular sections made of insulating material, can in this manner be constructed with considerably greater height, without entailing difficulties.
  • the drawing shows an embodiment of an antenna mast made of tubular insulating material, comprising an upper envelope which is indicated in elevation and a lower envelope which is represented in sectional view.
  • numeral 1 indicates a foundation which is disposed, for example, on top of a tower or upon an antenna mast of greater diameter.
  • a self-supporting lower mast envelope comprising, for example, eight tubular sections 2 made of insulating material.
  • a carrier mast 3 which is by suitable and known means held on the foundation 1 extends freely upwardly therefrom, through the interior of the tubular lower envelope made of insulating material, and carries an upper envelope made of insulating material constructed similarly of tubular insulating material sections 2.
  • the carrier mast 3 for supporting the upper mast envelope is constructed as a polygonal, for example, as -a four-sided metal grid mast with considerably smaller cross-section than the tubular insulating sections of the corresponding envelope. There are no direct mechanical connections between the inner carrier mast 3 and the tubular insulating material sections 2 of the lower envelope of the mast.
  • a plateor disk-like support 4 At the upper end of the carrier mast 3 is provided a plateor disk-like support 4 with a diameter corresponding approximately to that of the tubular insulating material sections, upon which is supported the tubular upper envelope of the mast.
  • Numeral 5 indicates a flexible weather-resistant facing.
  • the antennas 6 in the lower mast envelope which are, for example, constructed as dipoles, may be fastened, as shown, on the carrier mast 3, or may be fastened in known manner, by means of struts, on the inner walls of the respective tubular sections 2 of insulating material, as illustrated in German auslegeschrift 1,078,643.
  • the antennas 6 in the upper mast envelope which does not contain an interior carrier mast, are suitably held by' struts 12 on the inner walls of the respective tubular envelope sections 2.
  • Numeral 7 indicates a top cover and numerals 8 indicate lamps for illuminating it.
  • the lowermost tubular section 2 of the lower mast envelope is held upon a suitable support 9 of the foundation -1.
  • Numerals 10 indicate means for holding the carrier mast 3.
  • the tubular sections 2 and 2' are made, for example, of synthetic glass fiber material or of fiber glass material. Reinforcing rings or flanges 11 are provided at the ends of the tubular sections for the assembly thereof with adjacent sections.
  • an antenna structure comprising two separate tubular self-supporting insulating material mast envelopes which can move or sway independently responsive to wind pressure acting thereon.
  • Antennas for identical or for different ranges, for example, television bands, can be provided in the respective lower and upper mast envelopes.
  • the respective mast envelopes may be provided with separate antennas or may contain interconnected parts forming a common array.
  • An antenna mast for a plurality of antennas operating in the ultra short wave range or in the decimeter wave range, especially for television antennas, omnidirectional antennas and the like comprising two separate individually self-supporting tubular envelopes arranged in superposed relationship, each envelope comprising a plurality of tubular sections made of insulating material, means forming a foundation on which the lower antenna envelope is supported, and a carrier mast supported by said foundation and extending freely upwardly therefrom within said lower envelope, on which the upper antenna envelope is supported.
  • said carrier mast is constructed as a polygonal metal grid mast with a cross-section smaller than that of the tubular envelope sections.
  • An antenna mast according to claim 2 comprising a plate-like member carried by said carrier mast at the upper end thereof for supporting said upper antenna envelope.
  • An antenna mast according to claim 3 comprising flexible means connecting the lower end of the upper tubular antenna envelope with the upper end of the lower tubular envelope.
  • An antenna mast according to claim 3, comprising flexible weather-resistant means enclosing the space between the lower end of the upper tubular antenna envelope and the upper end of the lower tubular antenna envelope.
  • An antenna mast comprising means forming a foundation, a carrier mast constructed as a polygonal metal grid mast secured to and upwardly extending from said foundation, a first tubular envelope likewise secured to and extending upwardly from said foundation, said first envelope comprising a plurality of superposed tubular sections made of insulating material surrounding said carrier mast radially spaced therefrom without any direct mechanical connection therewith, a plate-like support carried by said carrier mast at the top thereof, a second tubular envelope supported by and extending upwardly from said plate-like support, said second envelope likewise comprising a plurality of superposed tubular sections made of insulating material, antennas enclosed by said first and second tubular envelopes, and a flexible weather-resistant facing enclosing the space between the lower end of said second tubular envelope and the upper end of the first tubular envelope.
  • An antenna mast comprising two superposed coaxially vertically extending tubular envelopes, each envelope enclosing antennas, each envelope comprising a plurality of superposed tubular sections made of insulating material, means forming a foundation for directly supporting the lower one of said tubular envelopes, and supporting means for independently supporting on said foundation the upper one of said envelopes, said supporting means comprising a carrier mast made in the form of a polygonal metal grid mast fastened to said foundation and extending vertically freely upwardly therefrom interiorly of said lower tubular envelope without any direct mechanical connection therewith, and a plate-like support carried by said carrier mast at the upper end thereof for supporting said tubular upper envelope.

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)
US287097A 1962-06-29 1963-06-11 Double mast antenna having the upper mast supported by a carrier mast which extends the length of the lower mast Expired - Lifetime US3303506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES80159A DE1192278B (de) 1962-06-29 1962-06-29 Aus mehreren stockwerkartig uebereinander angeordneten Isolierstoffhohlzylindern bestehender Antennenmast

Publications (1)

Publication Number Publication Date
US3303506A true US3303506A (en) 1967-02-07

Family

ID=7508716

Family Applications (1)

Application Number Title Priority Date Filing Date
US287097A Expired - Lifetime US3303506A (en) 1962-06-29 1963-06-11 Double mast antenna having the upper mast supported by a carrier mast which extends the length of the lower mast

Country Status (5)

Country Link
US (1) US3303506A (da)
CH (1) CH397011A (da)
DE (1) DE1192278B (da)
DK (1) DK106868C (da)
GB (1) GB978104A (da)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4377812A (en) * 1979-12-21 1983-03-22 G + H Montage Gmbh Segmented protective shell for tower mounted antennas with vibration damping
US5200759A (en) * 1991-06-03 1993-04-06 Mcginnis Henry J Telecommunications tower equipment housing
US5757324A (en) * 1995-08-10 1998-05-26 E-Systems, Inc Low profile antenna array for land-based, mobile radio frequency communication system
US5880701A (en) * 1996-06-25 1999-03-09 Pcs Solutions, Llc Enclosed wireless telecommunications antenna
US6020861A (en) * 1996-05-29 2000-02-01 Allgon Ab Elongated antenna
US6453636B1 (en) 2000-04-24 2002-09-24 Charles D. Ritz Method and apparatus for increasing the capacity and stability of a single-pole tower
US20030072683A1 (en) * 1999-08-02 2003-04-17 Emerald Biostructures, Inc. Robot for mixing crystallization trial matrices
US6668498B2 (en) 2000-12-13 2003-12-30 Ritz Telecommunications, Inc. System and method for supporting guyed towers having increased load capacity and stability
US20040148903A1 (en) * 2000-04-24 2004-08-05 Cash David W. Method and apparatus for increasing the capacity and stability of a single-pole tower
US6948290B2 (en) 2000-12-13 2005-09-27 Ritz Telecommunications, Inc. System and method for increasing the load capacity and stability of guyed towers
US20160211574A1 (en) * 2015-01-19 2016-07-21 Christopher C. Dundorf Apparatus for safely securing radiation-transparent panels covering the antenna service bays of wireless telecommunication towers and methods of installing the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2951590A1 (de) * 1979-12-21 1981-07-02 G + H Montage Gmbh, 6700 Ludwigshafen Turmartige verkleidung fuer funktechnische anlagen
US8963786B2 (en) * 2012-07-11 2015-02-24 Laird Technologies, Inc. Antenna mast assemblies

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441086A (en) * 1944-03-04 1948-05-04 Raymond M Wilmotte Radio antenna
US2532551A (en) * 1945-02-19 1950-12-05 George A Jarvis Biconical electromagnetic horn antenna
US2760191A (en) * 1955-02-15 1956-08-21 David E Blackmer De-icing apparatus
US2771606A (en) * 1953-02-11 1956-11-20 Itt Ultra-high frequency antenna system
DE1078643B (de) * 1958-09-29 1960-03-31 Siemens Ag Aus Dipolfeldern bestehende Sendeantenne
US3153239A (en) * 1960-09-13 1964-10-13 Adams Russel Co Inc Omnidirectional vertically polarized antenna

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441086A (en) * 1944-03-04 1948-05-04 Raymond M Wilmotte Radio antenna
US2532551A (en) * 1945-02-19 1950-12-05 George A Jarvis Biconical electromagnetic horn antenna
US2771606A (en) * 1953-02-11 1956-11-20 Itt Ultra-high frequency antenna system
US2760191A (en) * 1955-02-15 1956-08-21 David E Blackmer De-icing apparatus
DE1078643B (de) * 1958-09-29 1960-03-31 Siemens Ag Aus Dipolfeldern bestehende Sendeantenne
US3153239A (en) * 1960-09-13 1964-10-13 Adams Russel Co Inc Omnidirectional vertically polarized antenna

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4377812A (en) * 1979-12-21 1983-03-22 G + H Montage Gmbh Segmented protective shell for tower mounted antennas with vibration damping
US5200759A (en) * 1991-06-03 1993-04-06 Mcginnis Henry J Telecommunications tower equipment housing
US5757324A (en) * 1995-08-10 1998-05-26 E-Systems, Inc Low profile antenna array for land-based, mobile radio frequency communication system
US6020861A (en) * 1996-05-29 2000-02-01 Allgon Ab Elongated antenna
US5880701A (en) * 1996-06-25 1999-03-09 Pcs Solutions, Llc Enclosed wireless telecommunications antenna
US20030072683A1 (en) * 1999-08-02 2003-04-17 Emerald Biostructures, Inc. Robot for mixing crystallization trial matrices
US20030033281A1 (en) * 2000-04-24 2003-02-13 Ritz Charles D. Method and apparatus for increasing the capacity and stability of a single-pole tower
US6453636B1 (en) 2000-04-24 2002-09-24 Charles D. Ritz Method and apparatus for increasing the capacity and stability of a single-pole tower
US20040148903A1 (en) * 2000-04-24 2004-08-05 Cash David W. Method and apparatus for increasing the capacity and stability of a single-pole tower
US20050183364A1 (en) * 2000-04-24 2005-08-25 Cash David W. Method and apparatus for increasing the capacity and stability of a single-pole tower
US7591119B2 (en) 2000-04-24 2009-09-22 Ritz Telecommunications, Inc. Method and apparatus for increasing the capacity and stability of a single-pole tower
US6668498B2 (en) 2000-12-13 2003-12-30 Ritz Telecommunications, Inc. System and method for supporting guyed towers having increased load capacity and stability
US6948290B2 (en) 2000-12-13 2005-09-27 Ritz Telecommunications, Inc. System and method for increasing the load capacity and stability of guyed towers
US20160211574A1 (en) * 2015-01-19 2016-07-21 Christopher C. Dundorf Apparatus for safely securing radiation-transparent panels covering the antenna service bays of wireless telecommunication towers and methods of installing the same
US9634386B2 (en) * 2015-01-19 2017-04-25 Christopher C. Dundorf Apparatus for safely securing radiation-transparent panels covering the antenna service bays of wireless telecommunication towers and methods of installing the same

Also Published As

Publication number Publication date
DK106868C (da) 1967-03-28
GB978104A (en) 1964-12-16
CH397011A (de) 1965-08-15
DE1192278B (de) 1965-05-06

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