GB504752A - Improvements in or relating to antenna systems - Google Patents

Improvements in or relating to antenna systems

Info

Publication number
GB504752A
GB504752A GB29820/37A GB2982037A GB504752A GB 504752 A GB504752 A GB 504752A GB 29820/37 A GB29820/37 A GB 29820/37A GB 2982037 A GB2982037 A GB 2982037A GB 504752 A GB504752 A GB 504752A
Authority
GB
United Kingdom
Prior art keywords
line
aerial
condenser
coupling
transformer
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
GB29820/37A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB504752A publication Critical patent/GB504752A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12Neutralising, balancing, or compensation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1009Placing the antenna at a place where the noise level is low and using a noise-free transmission line between the antenna and the receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Details Of Aerials (AREA)

Abstract

504,752. Wireless receiving systems; impedance networks. MARCONI'S WIRE. LESS TELEGRAPH CO., Ltd. Nov. 1, 1937, No. 29820. Convention date, Oct. 31, 1936. [Classes 40 (iii) and 40 (v)] A potentiometer 41 is connected across a transmission line 21 coupling an aerial 1 and receiver 67, its variable tapping 43 being earthed in order that interference from the aerial and that remaining in the line may be removed by unbalancing the line. The capacity unbalance may be adjusted by a variable. condenser 45 connected between one of the line conductors and earth. The network coupling the aerial 1 and line 21 comprises short and long wave transformers 3, 23 respectively. Transformer 3 comprises a primary winding 5 connected to the aerial 1 through condenser 7 and coupled to the balanced secondary windings 11, 13 connected through condenser 15. The balanced secondaries 27, 29 of transformer 23 are connected through condenser 31 and bridged across the condenser 15 of transformer 3, while the primary winding 25 is connected directly to the aerial 1. The network coupling the line 21 to the receiver 67 is similar, as shown. A similar network for coupling a dipole aerial to the line has balanced primary windings, Fig. 2 (not shown). Specification 468,801 is referred to.
GB29820/37A 1936-10-31 1937-11-01 Improvements in or relating to antenna systems Expired GB504752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US108508A US2135037A (en) 1936-10-31 1936-10-31 Antenna system

Publications (1)

Publication Number Publication Date
GB504752A true GB504752A (en) 1939-05-01

Family

ID=22322605

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29820/37A Expired GB504752A (en) 1936-10-31 1937-11-01 Improvements in or relating to antenna systems

Country Status (2)

Country Link
US (1) US2135037A (en)
GB (1) GB504752A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733412A (en) * 1956-01-31 Seismic amplifier interference eliminator
US2636122A (en) * 1949-04-28 1953-04-21 Austin C Hayes Antenna system
US2748202A (en) * 1952-01-25 1956-05-29 Hartford Nat Bank & Trust Co Amplifier with interference reducing circuit
BE532853A (en) * 1953-11-02
US4823095A (en) * 1987-10-30 1989-04-18 International Business Machines Corporation Remote connection of termination network
US5901340A (en) * 1995-06-28 1999-05-04 The Whitaker Corporation Wideband signal distribution system

Also Published As

Publication number Publication date
US2135037A (en) 1938-11-01

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