JPS5267945A - Electric wave absorbing wall - Google Patents

Electric wave absorbing wall

Info

Publication number
JPS5267945A
JPS5267945A JP14467175A JP14467175A JPS5267945A JP S5267945 A JPS5267945 A JP S5267945A JP 14467175 A JP14467175 A JP 14467175A JP 14467175 A JP14467175 A JP 14467175A JP S5267945 A JPS5267945 A JP S5267945A
Authority
JP
Japan
Prior art keywords
electric wave
wave absorbing
absorbing wall
ferrite
mortar
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.)
Granted
Application number
JP14467175A
Other languages
Japanese (ja)
Other versions
JPS556320B2 (en
Inventor
Takeshi Ishino
Hiroshi Yamashita
Nobuyuki Ono
Yasuo Hashimoto
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP14467175A priority Critical patent/JPS5267945A/en
Publication of JPS5267945A publication Critical patent/JPS5267945A/en
Publication of JPS556320B2 publication Critical patent/JPS556320B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

PURPOSE:To increase electric wave absorption property of construction material mortar, etc. by burying ferrite sintering plate of tile form into construction material such as ferrite mortar, etc. into which ferrite particle is mixed for prevention of unnecessary reflection electric wave.
JP14467175A 1975-12-04 1975-12-04 Electric wave absorbing wall Granted JPS5267945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14467175A JPS5267945A (en) 1975-12-04 1975-12-04 Electric wave absorbing wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14467175A JPS5267945A (en) 1975-12-04 1975-12-04 Electric wave absorbing wall

Publications (2)

Publication Number Publication Date
JPS5267945A true JPS5267945A (en) 1977-06-06
JPS556320B2 JPS556320B2 (en) 1980-02-15

Family

ID=15367518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14467175A Granted JPS5267945A (en) 1975-12-04 1975-12-04 Electric wave absorbing wall

Country Status (1)

Country Link
JP (1) JPS5267945A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786915A (en) * 1985-04-26 1988-11-22 British Telecommunications Public Limited Company Attenuation of microwave signals
JPS6467997A (en) * 1987-09-08 1989-03-14 Yasutaka Shimizu Radio wave absorber containing ferrite
JPH01241199A (en) * 1988-03-23 1989-09-26 Fujita Corp Dry-type radio wave absorbing panel
JPH0295293U (en) * 1989-01-18 1990-07-30
JPH03203304A (en) * 1989-12-29 1991-09-05 Nippon Steel Corp Wave absorbing magnetic particle for tv frequency band
JPH0410594A (en) * 1990-04-27 1992-01-14 Ngk Insulators Ltd Manufacture of radio wave absorbing panel
JPH0428497U (en) * 1990-07-02 1992-03-06
JP2002294900A (en) * 2001-03-29 2002-10-09 Taisei Corp Radio wave absorption body and precast concrete board

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786915A (en) * 1985-04-26 1988-11-22 British Telecommunications Public Limited Company Attenuation of microwave signals
JPS6467997A (en) * 1987-09-08 1989-03-14 Yasutaka Shimizu Radio wave absorber containing ferrite
JPH01241199A (en) * 1988-03-23 1989-09-26 Fujita Corp Dry-type radio wave absorbing panel
JPH0577359B2 (en) * 1988-03-23 1993-10-26 Fujita Corp
JPH0295293U (en) * 1989-01-18 1990-07-30
JPH03203304A (en) * 1989-12-29 1991-09-05 Nippon Steel Corp Wave absorbing magnetic particle for tv frequency band
JPH0410594A (en) * 1990-04-27 1992-01-14 Ngk Insulators Ltd Manufacture of radio wave absorbing panel
JPH0428497U (en) * 1990-07-02 1992-03-06
JP2002294900A (en) * 2001-03-29 2002-10-09 Taisei Corp Radio wave absorption body and precast concrete board

Also Published As

Publication number Publication date
JPS556320B2 (en) 1980-02-15

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