FR1054112A - Referral filter - Google Patents

Referral filter

Info

Publication number
FR1054112A
FR1054112A FR1054112DA FR1054112A FR 1054112 A FR1054112 A FR 1054112A FR 1054112D A FR1054112D A FR 1054112DA FR 1054112 A FR1054112 A FR 1054112A
Authority
FR
France
Prior art keywords
referral
filter
referral filter
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
French (fr)
Inventor
Georges-Robert-Pierr Marie
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 filed Critical
Application granted granted Critical
Publication of FR1054112A publication Critical patent/FR1054112A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • H01P1/213Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
    • H01P1/2131Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
FR1054112D 1951-11-19 1951-11-19 Referral filter Expired FR1054112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1054112T 1951-11-19

Publications (1)

Publication Number Publication Date
FR1054112A true FR1054112A (en) 1954-02-08

Family

ID=9596262

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1054112D Expired FR1054112A (en) 1951-11-19 1951-11-19 Referral filter
FR63340D Expired FR63340E (en) 1951-11-19 1952-10-30 Referral filter

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR63340D Expired FR63340E (en) 1951-11-19 1952-10-30 Referral filter

Country Status (2)

Country Link
FR (2) FR1054112A (en)
NL (2) NL92281C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996003667A1 (en) * 1994-07-22 1996-02-08 Honeywell Inc. High pass optical filter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL130740C (en) * 1958-03-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996003667A1 (en) * 1994-07-22 1996-02-08 Honeywell Inc. High pass optical filter

Also Published As

Publication number Publication date
NL92281C (en)
FR63340E (en) 1955-09-13
NL173387B (en)

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