BE442512A - - Google Patents

Info

Publication number
BE442512A
BE442512A BE442512DA BE442512A BE 442512 A BE442512 A BE 442512A BE 442512D A BE442512D A BE 442512DA BE 442512 A BE442512 A BE 442512A
Authority
BE
Belgium
Prior art keywords
antenna
voltage
choke
current
inductance
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE442512A publication Critical patent/BE442512A/fr

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02Direction-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
    • G01S3/04Details
    • G01S3/06Means 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
    • G01S3/065Means 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
BE442512D BE442512A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE442512A true BE442512A (enrdf_load_stackoverflow)

Family

ID=99693

Family Applications (1)

Application Number Title Priority Date Filing Date
BE442512D BE442512A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE442512A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US6806838B2 (en) Combination satellite and terrestrial antenna
US4141016A (en) AM-FM-CB Disguised antenna system
US4583097A (en) Electrical signal separating device
KR100411638B1 (ko) 차량용 유리 안테나 장치
KR101660084B1 (ko) 코브라 안테나
US7352337B2 (en) Portable SDARS-receiving device with integrated audio wire and antenna
JP5646335B2 (ja) 同相信号を軽減するアンテナ装置
HU210506B (en) Multi-range stick aerial
US5926149A (en) Coaxial antenna
KR20130070589A (ko) 코브라 안테나
JPS5830771B2 (ja) 無線周波数信号の結合装置
BE442512A (enrdf_load_stackoverflow)
US20090231227A1 (en) Antenna, communication device, antenna manufacturing method
US6384696B1 (en) Multiplexer for sorting multiple signals from an antenna
US20180219280A1 (en) Coaxial Helix Antennas
KR101114453B1 (ko) 유도결합형 헬리컬 안테나
US6396365B1 (en) Multiplexer for cellular telephone
US4335386A (en) Bifilar antenna trap
EP3128672A1 (en) Impedance matching circuit
JP2001036328A (ja) Am・fm帯受信用アンテナ
JP2007096475A (ja) アンテナ装置および車両用アンテナ装置
WO1996002075A1 (en) Combined am/fm/cellular telephone antenna system
US1931036A (en) Radio antenna supporting and accessory structure
JPH0653722A (ja) 自動車用高周波ガラスアンテナ
JPH08330841A (ja) 多周波同調型ループアンテナ装置