GB272915A - Improvements in receiving apparatus for use in wireless telegraphy and telephony - Google Patents

Improvements in receiving apparatus for use in wireless telegraphy and telephony

Info

Publication number
GB272915A
GB272915A GB15870/27A GB1587027A GB272915A GB 272915 A GB272915 A GB 272915A GB 15870/27 A GB15870/27 A GB 15870/27A GB 1587027 A GB1587027 A GB 1587027A GB 272915 A GB272915 A GB 272915A
Authority
GB
United Kingdom
Prior art keywords
aerial
coupling
coil
coils
whilst
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
GB15870/27A
Other languages
English (en)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Publication of GB272915A publication Critical patent/GB272915A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB15870/27A 1926-06-15 1927-06-14 Improvements in receiving apparatus for use in wireless telegraphy and telephony Expired GB272915A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE272915X 1926-06-15

Publications (1)

Publication Number Publication Date
GB272915A true GB272915A (en) 1927-12-01

Family

ID=6012581

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15870/27A Expired GB272915A (en) 1926-06-15 1927-06-14 Improvements in receiving apparatus for use in wireless telegraphy and telephony

Country Status (3)

Country Link
US (1) US2043624A (enrdf_load_stackoverflow)
GB (1) GB272915A (enrdf_load_stackoverflow)
NL (1) NL22703C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460492A (en) * 1946-10-30 1949-02-01 Hoffman Radio Corp Loop inductance compensator

Also Published As

Publication number Publication date
NL22703C (enrdf_load_stackoverflow)
US2043624A (en) 1936-06-09

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