GB714135A - Tiltable search antenna pedestal - Google Patents

Tiltable search antenna pedestal

Info

Publication number
GB714135A
GB714135A GB29022/52A GB2902252A GB714135A GB 714135 A GB714135 A GB 714135A GB 29022/52 A GB29022/52 A GB 29022/52A GB 2902252 A GB2902252 A GB 2902252A GB 714135 A GB714135 A GB 714135A
Authority
GB
United Kingdom
Prior art keywords
gear
aerial
assembly
pedestal
shaft
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
GB29022/52A
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.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation 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 Bendix Aviation Corp filed Critical Bendix Aviation Corp
Publication of GB714135A publication Critical patent/GB714135A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q1/18—Means for stabilising antennas on an unstable platform
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

714,135. Radio aerials. BENDIX AVIATION CORPORATION. Nov. 17, 1952 [Nov. 23, 1951], No. 29022/52. Class 40 (7) A pedestal for a radar search aerial permits the aerial to be rotated continuously in azimuth and selectively tilted during rotation to any desired angle of elevation. The aerial, Fig. 1 (not shown), comprises a reflector with a horn feed and is pivoted on the rotatable top plate 19 of the pedestal in two hinge members 14 (only one of which is shown in the drawing) so as to be tilted by the operation of a jack assembly 15 engaging a mounting flange 9 on the base of the reflector. Plate 19 is secured to the inside races of thrust bearings 21, the outer parts of which are secured to the stationary part 22 of the pedestal, and is rotated by motor-driven geared shaft 46 engaging ring gear 24. The stationary portion 22 carries two further ring gears 43, 44 for controlling the antenna tilt. Gear 43 is fixedly secured to part 22 and gear 44 is rotatable by motor-driven geared shaft 45. An extension 50 on the shaft permits manual adjustment of tilt. Engaging ring gears 43 and 44 are the input gears 47 and 48 of a differential gear assembly 47, 48, 49, 51, 39 the output gear 39 of which drives the screw 31 of the jack assembly through a ball and socket coupling 29, 30. Normally both of the ring gears are held stationary so that due to the differential action, output gear 39 also remains stationary with respect to its own axis as the top plate assembly rotates. When, however, motion is imparted to gear 44 by rotation of shaft 45 the change in the relative motion between the input gears of the differential is such that gear 39 is rotated and the aerial tilted. A rotary waveguide joint for use with the assembly is described in Specification 714,136, [Group XL(b)].
GB29022/52A 1951-11-23 1952-11-17 Tiltable search antenna pedestal Expired GB714135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US714135XA 1951-11-23 1951-11-23

Publications (1)

Publication Number Publication Date
GB714135A true GB714135A (en) 1954-08-25

Family

ID=22101155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29022/52A Expired GB714135A (en) 1951-11-23 1952-11-17 Tiltable search antenna pedestal

Country Status (1)

Country Link
GB (1) GB714135A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263167A (en) * 1992-01-06 1993-07-14 Samsung Electronics Co Ltd Sensor apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263167A (en) * 1992-01-06 1993-07-14 Samsung Electronics Co Ltd Sensor apparatus
GB2263167B (en) * 1992-01-06 1995-06-07 Samsung Electronics Co Ltd Sensor apparatus

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