[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

FI956250A - Antenni - Google Patents

Antenni Download PDF

Info

Publication number
FI956250A
FI956250A FI956250A FI956250A FI956250A FI 956250 A FI956250 A FI 956250A FI 956250 A FI956250 A FI 956250A FI 956250 A FI956250 A FI 956250A FI 956250 A FI956250 A FI 956250A
Authority
FI
Finland
Prior art keywords
antenna
Prior art date
Application number
FI956250A
Other languages
English (en)
Swedish (sv)
Other versions
FI956250A0 (fi
Inventor
Gerhard Greving
Harald Mueller
Original Assignee
Sel Alcatel Ag
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 Sel Alcatel Ag filed Critical Sel Alcatel Ag
Publication of FI956250A0 publication Critical patent/FI956250A0/fi
Publication of FI956250A publication Critical patent/FI956250A/fi

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
FI956250A 1994-12-23 1995-12-22 Antenni FI956250A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944446128 DE4446128A1 (de) 1994-12-23 1994-12-23 Antenne

Publications (2)

Publication Number Publication Date
FI956250A0 FI956250A0 (fi) 1995-12-22
FI956250A true FI956250A (fi) 1996-06-24

Family

ID=6536799

Family Applications (1)

Application Number Title Priority Date Filing Date
FI956250A FI956250A (fi) 1994-12-23 1995-12-22 Antenni

Country Status (3)

Country Link
EP (1) EP0718912A1 (fi)
DE (1) DE4446128A1 (fi)
FI (1) FI956250A (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278413B1 (en) * 1999-03-29 2001-08-21 Intermec Ip Corporation Antenna structure for wireless communications device, such as RFID tag
DE10105981A1 (de) * 2001-02-09 2002-09-12 Siemens Ag Kommunikationsgerät und Verfahren zum Betrieb eines Anlagefunksystems
US7205953B2 (en) 2003-09-12 2007-04-17 Symbol Technologies, Inc. Directional antenna array
US7423606B2 (en) 2004-09-30 2008-09-09 Symbol Technologies, Inc. Multi-frequency RFID apparatus and methods of reading RFID tags
US7893813B2 (en) 2005-07-28 2011-02-22 Intermec Ip Corp. Automatic data collection device, method and article
EP1938483B1 (en) 2005-09-21 2015-07-08 Intermec IP Corp. Stochastic communication protocol method and system for radio frequency identification (rfid) tags based on coalition formation, such as for tag-to-tag communication
US8120461B2 (en) 2006-04-03 2012-02-21 Intermec Ip Corp. Automatic data collection device, method and article
US8002173B2 (en) 2006-07-11 2011-08-23 Intermec Ip Corp. Automatic data collection device, method and article
US7579955B2 (en) 2006-08-11 2009-08-25 Intermec Ip Corp. Device and method for selective backscattering of wireless communications signals

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB672034A (en) * 1950-01-21 1952-05-14 Nat Res Dev Aerial systems
GB939790A (en) * 1960-12-16 1963-10-16 Marconi Wireless Telegraph Co Improvements in or relating to aerial systems
GB982155A (en) * 1962-08-21 1965-02-03 Marconi Co Ltd Improvements in or relating to aerial systems
NO124503B (fi) * 1967-06-08 1972-04-24 Sintef
DE2138384C2 (de) * 1971-07-31 1982-10-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Yagi-Antenne in Streifenleitertechnik
DE8304525U1 (de) * 1983-02-18 1983-09-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Mikrowellenantenne fuer linienverbindungen, insbesondere im millimeterwellenbereich
US4644363A (en) * 1985-05-14 1987-02-17 The United States Of America As Represented By The Secretary Of The Army Integrated dual beam line scanning antenna and negative resistance diode oscillator
US4812855A (en) * 1985-09-30 1989-03-14 The Boeing Company Dipole antenna with parasitic elements
US5008681A (en) * 1989-04-03 1991-04-16 Raytheon Company Microstrip antenna with parasitic elements
FR2667730B1 (fr) * 1990-10-03 1993-07-02 Bretagne Ctre Rgl Tra Antenne.
JP2614789B2 (ja) * 1991-03-28 1997-05-28 太洋無線株式会社 八木アンテナ
US5293172A (en) * 1992-09-28 1994-03-08 The Boeing Company Reconfiguration of passive elements in an array antenna for controlling antenna performance
JPH111006A (ja) * 1997-06-12 1999-01-06 Canon Inc 記録装置及び記録方法

Also Published As

Publication number Publication date
FI956250A0 (fi) 1995-12-22
EP0718912A1 (de) 1996-06-26
DE4446128A1 (de) 1996-06-27

Similar Documents

Publication Publication Date Title
DE69512831D1 (de) Antenne
FI952742A0 (fi) Kaksitoiminen antenni
DE69824262D1 (de) Antenne
BR9608629A (pt) Antena
DE69804023D1 (de) Antenne
DE69726523D1 (de) Antenne
DE69730782D1 (de) Planarantenne
DE69506435D1 (de) Antenne
DE69719429T2 (de) Antenne
DE69527244D1 (de) Antenne
DE69523535D1 (de) Antenne
FI956250A (fi) Antenni
DE19781790T1 (de) Gestreckte Antenne
DE69734803D1 (de) Antenne
DK0705488T3 (da) Antenne
FI951668A0 (fi) Kaksitoiminen antenni
NO304337B1 (no) Antenne
DE59503461D1 (de) Einknüpfbare antenne
DE69605061D1 (de) Antennenanordnung
FR2728105B1 (fr) Antenne
KR960016004A (ko) 지향성 안테나
FI1355U1 (fi) Antenn foer fordon
DE69505023D1 (de) Antenne
FI1407U1 (fi) Antenn
KR960009294U (ko) 안테나