FR63340E - Referral filter - Google Patents
Referral filterInfo
- Publication number
- FR63340E FR63340E FR63340DA FR63340E FR 63340 E FR63340 E FR 63340E FR 63340D A FR63340D A FR 63340DA FR 63340 E FR63340 E FR 63340E
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
-
- 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
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1054112T | 1951-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR63340E true FR63340E (en) | 1955-09-13 |
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 Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1054112D Expired FR1054112A (en) | 1951-11-19 | 1951-11-19 | Referral filter |
Country Status (2)
Country | Link |
---|---|
FR (2) | FR1054112A (en) |
NL (2) | NL92281C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1257304B (en) * | 1958-03-28 | 1967-12-28 | Western Electric Co | Crossover for electromagnetic waves |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5483387A (en) * | 1994-07-22 | 1996-01-09 | Honeywell, Inc. | High pass optical filter |
-
0
- NL NLAANVRAGE7902086,A patent/NL173387B/en unknown
- NL NL92281D patent/NL92281C/xx active
-
1951
- 1951-11-19 FR FR1054112D patent/FR1054112A/en not_active Expired
-
1952
- 1952-10-30 FR FR63340D patent/FR63340E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1257304B (en) * | 1958-03-28 | 1967-12-28 | Western Electric Co | Crossover for electromagnetic waves |
Also Published As
Publication number | Publication date |
---|---|
NL92281C (en) | |
FR1054112A (en) | 1954-02-08 |
NL173387B (en) |
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