FR2637130B1 - Antenne a optique cassegrain a haut rendement - Google Patents

Antenne a optique cassegrain a haut rendement

Info

Publication number
FR2637130B1
FR2637130B1 FR8812459A FR8812459A FR2637130B1 FR 2637130 B1 FR2637130 B1 FR 2637130B1 FR 8812459 A FR8812459 A FR 8812459A FR 8812459 A FR8812459 A FR 8812459A FR 2637130 B1 FR2637130 B1 FR 2637130B1
Authority
FR
France
Prior art keywords
high efficiency
optical antenna
cassegrain optical
cassegrain
antenna
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.)
Expired - Lifetime
Application number
FR8812459A
Other languages
English (en)
Other versions
FR2637130A1 (fr
Inventor
Nhu Bui-Hai
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.)
Alcatel Transmission par Faisceaux Hertziens SA
Original Assignee
Alcatel Transmission par Faisceaux Hertziens SA
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 Alcatel Transmission par Faisceaux Hertziens SA filed Critical Alcatel Transmission par Faisceaux Hertziens SA
Priority to FR8812459A priority Critical patent/FR2637130B1/fr
Priority to AU41103/89A priority patent/AU627493B2/en
Priority to JP24487789A priority patent/JPH02121506A/ja
Priority to EP89117371A priority patent/EP0361294A1/fr
Priority to CA000612314A priority patent/CA1314972C/fr
Publication of FR2637130A1 publication Critical patent/FR2637130A1/fr
Priority to US07/656,123 priority patent/US5182569A/en
Application granted granted Critical
Publication of FR2637130B1 publication Critical patent/FR2637130B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H01Q15/141—Apparatus or processes specially adapted for manufacturing reflecting surfaces
    • 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
    • H01Q19/10—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 reflecting surfaces
    • H01Q19/18—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 reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—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 reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
FR8812459A 1988-09-23 1988-09-23 Antenne a optique cassegrain a haut rendement Expired - Lifetime FR2637130B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR8812459A FR2637130B1 (fr) 1988-09-23 1988-09-23 Antenne a optique cassegrain a haut rendement
AU41103/89A AU627493B2 (en) 1988-09-23 1989-09-07 A circularly symmetrical reflector
JP24487789A JPH02121506A (ja) 1988-09-23 1989-09-20 回転体リフレクタを有するアンテナ
EP89117371A EP0361294A1 (fr) 1988-09-23 1989-09-20 Antenne à réflecteur de révolution
CA000612314A CA1314972C (fr) 1988-09-23 1989-09-21 Antenne a reflecteur de revolution
US07/656,123 US5182569A (en) 1988-09-23 1991-02-14 Antenna having a circularly symmetrical reflector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8812459A FR2637130B1 (fr) 1988-09-23 1988-09-23 Antenne a optique cassegrain a haut rendement

Publications (2)

Publication Number Publication Date
FR2637130A1 FR2637130A1 (fr) 1990-03-30
FR2637130B1 true FR2637130B1 (fr) 1991-05-31

Family

ID=9370322

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8812459A Expired - Lifetime FR2637130B1 (fr) 1988-09-23 1988-09-23 Antenne a optique cassegrain a haut rendement

Country Status (1)

Country Link
FR (1) FR2637130B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1088175A (en) * 1965-04-28 1967-10-25 Henry Charles Husband Improvements in wide aperture radio aerials
DE1591106A1 (de) * 1966-08-05 1969-07-17 Eltro Gmbh Anordnung zur optimalen Ausleuchtung einer Parabolantenne mit Gegenreflektor
US3737909A (en) * 1970-06-18 1973-06-05 Radiation Inc Parabolic antenna system having high-illumination and spillover efficiencies
JPS56169906A (en) * 1980-06-03 1981-12-26 Kokusai Denshin Denwa Co Ltd <Kdd> Antenna device
JPS5723304A (en) * 1980-07-16 1982-02-06 Nec Corp Subreflector antenna

Also Published As

Publication number Publication date
FR2637130A1 (fr) 1990-03-30

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Legal Events

Date Code Title Description
ST Notification of lapse