JPS5661804A - Microstrip antenna - Google Patents

Microstrip antenna

Info

Publication number
JPS5661804A
JPS5661804A JP13808079A JP13808079A JPS5661804A JP S5661804 A JPS5661804 A JP S5661804A JP 13808079 A JP13808079 A JP 13808079A JP 13808079 A JP13808079 A JP 13808079A JP S5661804 A JPS5661804 A JP S5661804A
Authority
JP
Japan
Prior art keywords
slot
antenna
foil
conductor
center
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.)
Pending
Application number
JP13808079A
Other languages
Japanese (ja)
Inventor
Tadashi Numazaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP13808079A priority Critical patent/JPS5661804A/en
Publication of JPS5661804A publication Critical patent/JPS5661804A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Waveguide Aerials (AREA)

Abstract

PURPOSE:To obtain two independent antennas on the same inductor substrate, by providing a slot on the microstrip resonance conductor and then feeding both the resonance conductor and the slot. CONSTITUTION:The slot 7 is provided in parallel to the current direction on the square copper foil 6, and thus the current has no disturbance to ensure an operation with the frequency f1 and in the same way as the conventional microstrip antenna. The length of the slot is selected near the half wavelength with the frequency f2 with the feeding given through the points 8 and 9. Thus a slot antenna working with f2 is obtained. As the electric field is zero by f1 at the center of the dielectric substance between the foil 6 and the earth conductor 5, no effect is given to the antenna characteristics due to f1 although the feeder of the slot may be inserted to the center part. Furthermore, the center of the foil 6 is short-circuited by the conductor bar 12, and accordingly the occurrence is suppressed for the current of the mode under which the periphery of the foil 6 is turned into an equivalent circular slot antenna with f2. Thus the slot 7 functions as a slot antenna with reflecting plate via the dielectric substance 2. In such way, the two independent antennas are formed on the same substrate.
JP13808079A 1979-10-25 1979-10-25 Microstrip antenna Pending JPS5661804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13808079A JPS5661804A (en) 1979-10-25 1979-10-25 Microstrip antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13808079A JPS5661804A (en) 1979-10-25 1979-10-25 Microstrip antenna

Publications (1)

Publication Number Publication Date
JPS5661804A true JPS5661804A (en) 1981-05-27

Family

ID=15213483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13808079A Pending JPS5661804A (en) 1979-10-25 1979-10-25 Microstrip antenna

Country Status (1)

Country Link
JP (1) JPS5661804A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255095A2 (en) * 1986-07-29 1988-02-03 Amtech Corporation Transponder antenna
US4766440A (en) * 1986-12-11 1988-08-23 The United States Of America As Represented By The Secretary Of The Navy Triple frequency U-slot microstrip antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255095A2 (en) * 1986-07-29 1988-02-03 Amtech Corporation Transponder antenna
US4766440A (en) * 1986-12-11 1988-08-23 The United States Of America As Represented By The Secretary Of The Navy Triple frequency U-slot microstrip antenna

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