FR704953A - Projecteur d'ondes - Google Patents

Projecteur d'ondes

Info

Publication number
FR704953A
FR704953A FR704953DA FR704953A FR 704953 A FR704953 A FR 704953A FR 704953D A FR704953D A FR 704953DA FR 704953 A FR704953 A FR 704953A
Authority
FR
France
Prior art keywords
wave projector
projector
wave
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
Application number
Other languages
English (en)
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.)
Radio Industrie SA
Original Assignee
Radio Industrie 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 Radio Industrie SA filed Critical Radio Industrie SA
Application granted granted Critical
Publication of FR704953A publication Critical patent/FR704953A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q19/12—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 wherein the surfaces are concave
FR704953D 1930-01-24 1930-01-24 Projecteur d'ondes Expired FR704953A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR704953T 1930-01-24

Publications (1)

Publication Number Publication Date
FR704953A true FR704953A (fr) 1931-05-29

Family

ID=9066911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704953D Expired FR704953A (fr) 1930-01-24 1930-01-24 Projecteur d'ondes

Country Status (1)

Country Link
FR (1) FR704953A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524830A (en) * 1945-03-19 1950-10-10 Fed Telephone & Radio Corp Beacon antenna system
US3836977A (en) * 1973-06-25 1974-09-17 Hazeltine Corp Antenna system having a reflector with a substantially open construction
US4516132A (en) * 1983-02-24 1985-05-07 Cossar Electronics Limited Antenna with a reflector of open construction

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524830A (en) * 1945-03-19 1950-10-10 Fed Telephone & Radio Corp Beacon antenna system
US3836977A (en) * 1973-06-25 1974-09-17 Hazeltine Corp Antenna system having a reflector with a substantially open construction
US4516132A (en) * 1983-02-24 1985-05-07 Cossar Electronics Limited Antenna with a reflector of open construction

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