NL162793B - LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS. - Google Patents

LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS.

Info

Publication number
NL162793B
NL162793B NL6806942.A NL6806942A NL162793B NL 162793 B NL162793 B NL 162793B NL 6806942 A NL6806942 A NL 6806942A NL 162793 B NL162793 B NL 162793B
Authority
NL
Netherlands
Prior art keywords
aerial
frequency bands
main case
large bandwidth
bandwidth
Prior art date
Application number
NL6806942.A
Other languages
Dutch (nl)
Other versions
NL6806942A (en
NL162793C (en
Original Assignee
Matsushita Electric Ind 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL6806942A publication Critical patent/NL6806942A/xx
Publication of NL162793B publication Critical patent/NL162793B/en
Application granted granted Critical
Publication of NL162793C publication Critical patent/NL162793C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/48—Combinations of two or more dipole type antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
NL6806942.A 1967-05-18 1968-05-16 LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS. NL162793C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3195867 1967-05-18

Publications (3)

Publication Number Publication Date
NL6806942A NL6806942A (en) 1968-11-19
NL162793B true NL162793B (en) 1980-01-15
NL162793C NL162793C (en) 1980-06-16

Family

ID=12345453

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6806942.A NL162793C (en) 1967-05-18 1968-05-16 LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS.

Country Status (5)

Country Link
US (1) US3509575A (en)
DE (1) DE1766285B2 (en)
FR (1) FR1563543A (en)
GB (1) GB1180866A (en)
NL (1) NL162793C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5441190B2 (en) * 1972-12-31 1979-12-07
US4812855A (en) * 1985-09-30 1989-03-14 The Boeing Company Dipole antenna with parasitic elements
DE4321703A1 (en) * 1993-06-30 1995-01-12 Philips Patentverwaltung Arrangement for changing the tape tension in a magnetic tape apparatus
US9059512B2 (en) * 2012-09-24 2015-06-16 Electronics And Telecommunications Research Institute Radio communication antenna and radio communication device
US10389015B1 (en) * 2016-07-14 2019-08-20 Mano D. Judd Dual polarization antenna
US20180294567A1 (en) * 2017-04-06 2018-10-11 The Charles Stark Draper Laboratory, Inc. Patch antenna system with parasitic edge-aligned elements
CN110161528B (en) * 2019-06-10 2022-07-19 中国科学院光电技术研究所 Fire scene complex environment laser three-dimensional imaging method based on optical coherence tomography

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24413E (en) * 1955-09-12 1958-01-07 Radio frequency antennas-

Also Published As

Publication number Publication date
DE1766285B2 (en) 1973-03-01
NL6806942A (en) 1968-11-19
DE1766285A1 (en) 1972-03-16
GB1180866A (en) 1970-02-11
NL162793C (en) 1980-06-16
US3509575A (en) 1970-04-28
FR1563543A (en) 1969-04-11

Similar Documents

Publication Publication Date Title
FI48403C (en) Transportable cutting saw.
NL162793C (en) LARGE BANDWIDTH AERIAL IN MAIN CASE FOR AT LEAST TWO FREQUENCY BANDS.
FI48307C (en) Knife separator.
CA773017A (en) Cut card continuous forms
CA769704A (en) Hop extract emulsions
AT276186B (en) Equipment, especially on roller skates
ES135944Y (en) AN ANTENNA FOR TELEVISION.
CA765640A (en) Punching apparatus
ES128490Y (en) TABLE FOR TELEVISION RECEIVING DEVICES.
CA765246A (en) Variable cut dicer-slicer
ES135296Y (en) TWO-WAY SEPARATOR, RECESSED, FOR RADIO AND TELEVISION.
AU420376B2 (en) Land clearing blade
CA763525A (en) Multiband tunable circuit
FR1538589A (en) U.h.f. television antenna
ES127260Y (en) MEGAPHONE EQUIPMENT FOR AERIAL ADVERTISING.
ES129670Y (en) CUTTING APPARATUS.
CA757150A (en) Multicoupler system utilizing tunable trap
BG15044A3 (en) PERFORATOR FOR PUNCH BANDS
CA770759A (en) Variable bandwidth resonant circuit
ES129122Y (en) APPARATUS FOR CUTTING VEGETABLES.
ES130481Y (en) PERFECTED CONDUCTOR FOR TELEVISION ANTENNAS.
ES129098Y (en) FRUIT CUTTING DEVICE.
CA771316A (en) Frequency multiplier
CA767924A (en) Cutting apparatus
CA758408A (en) Cutting apparatus