IT1226349B - Elemento ritorto di guida d'onda. - Google Patents
Elemento ritorto di guida d'onda.Info
- Publication number
- IT1226349B IT1226349B IT8821331A IT2133188A IT1226349B IT 1226349 B IT1226349 B IT 1226349B IT 8821331 A IT8821331 A IT 8821331A IT 2133188 A IT2133188 A IT 2133188A IT 1226349 B IT1226349 B IT 1226349B
- Authority
- IT
- Italy
- Prior art keywords
- guide element
- wave guide
- twisted wave
- twisted
- wave
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/06—Movable joints, e.g. rotating joints
- H01P1/062—Movable joints, e.g. rotating joints the relative movement being a rotation
- H01P1/063—Movable joints, e.g. rotating joints the relative movement being a rotation with a limited angle of rotation
- H01P1/065—Movable joints, e.g. rotating joints the relative movement being a rotation with a limited angle of rotation the axis of rotation being parallel to the transmission path, e.g. stepped twist
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3733397A DE3733397C1 (de) | 1987-10-02 | 1987-10-02 | Hohlleitertwist |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8821331A0 IT8821331A0 (it) | 1988-07-12 |
IT1226349B true IT1226349B (it) | 1991-01-11 |
Family
ID=6337510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8821331A IT1226349B (it) | 1987-10-02 | 1988-07-12 | Elemento ritorto di guida d'onda. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4875027A (it) |
JP (1) | JPH01165201A (it) |
DE (1) | DE3733397C1 (it) |
FR (1) | FR2621421B1 (it) |
GB (1) | GB2210511B (it) |
IT (1) | IT1226349B (it) |
SE (1) | SE467478B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3830266C1 (en) * | 1988-09-06 | 1989-12-28 | Spinner Gmbh Elektrotechnische Fabrik, 8000 Muenchen, De | Waveguide twist |
US5870062A (en) * | 1996-06-27 | 1999-02-09 | Andrew Corporation | Microwave antenna feed structure |
US6720840B2 (en) | 2002-08-15 | 2004-04-13 | Radio Frequency Systems Inc. | Polarization rotationer |
US7053849B1 (en) | 2004-11-26 | 2006-05-30 | Andrew Corporation | Switchable polarizer |
JP4835850B2 (ja) * | 2006-09-19 | 2011-12-14 | 日本電気株式会社 | 導波管装置 |
WO2013044032A1 (en) | 2011-09-22 | 2013-03-28 | Zte (Usa) Inc. | Device for changing the waveguide orientation of an outdoor microwave transmit/receive enclosure |
US9214711B2 (en) | 2013-03-11 | 2015-12-15 | Commscope Technologies Llc | Twist septum polarization rotator |
CN103972628B (zh) * | 2014-04-24 | 2017-01-04 | 成都锦江电子系统工程有限公司 | 自定位阶梯扭波导及其真空钎焊工艺 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2521818A (en) * | 1945-02-08 | 1950-09-12 | Walter A Aron | Wave guide coupling |
US2522279A (en) * | 1946-12-03 | 1950-09-12 | Bell Telephone Labor Inc | Wave guide coupling |
DE1008795B (de) * | 1954-07-09 | 1957-05-23 | Siemens Ag | Hohlrohrleitungsabschnitt mit einstellbarer Querschnittsverdrehung |
DE1021440B (de) * | 1956-07-17 | 1957-12-27 | Siemens Ag | Hohlrohrleitungsabschnitt mit einstellbarer Querschnittsverdrehung |
DE1031380B (de) * | 1957-03-14 | 1958-06-04 | Siemens Ag | Hohlrohrleitungsabschnitt mit einstellbarer Querschnittsverdrehung fuer Hohlleiter mit rechteckfoermigem Querschnitt |
DE1024590B (de) * | 1957-07-24 | 1958-02-20 | Telefunken Gmbh | Hohlleiterabschnitt mit einstellbarer Querschnitts-Verdrehung um die Laengsachse |
US2985850A (en) * | 1959-11-06 | 1961-05-23 | Carl F Crawford | Variable, high-power microwave power divider |
US3138769A (en) * | 1962-09-28 | 1964-06-23 | Witt Henry Clinton De | Drive means for sectors of step twist rotary joint |
BE792731A (fr) * | 1972-09-13 | 1973-03-30 | Elettronica Aster Srl | Joint tournant a gradins pour guide d'ondes |
NL8501233A (nl) * | 1985-05-01 | 1986-12-01 | Hollandse Signaalapparaten Bv | Alzijdig beweegbare golfpijpverbinding, aandrijfbare golfpijpkoppeling en opstelling voor een rondzoekradarantenne. |
-
1987
- 1987-10-02 DE DE3733397A patent/DE3733397C1/de not_active Expired
-
1988
- 1988-07-07 SE SE8802549A patent/SE467478B/sv not_active IP Right Cessation
- 1988-07-12 IT IT8821331A patent/IT1226349B/it active
- 1988-07-27 GB GB8817852A patent/GB2210511B/en not_active Expired - Lifetime
- 1988-09-13 FR FR8811904A patent/FR2621421B1/fr not_active Expired - Lifetime
- 1988-09-22 US US07/247,916 patent/US4875027A/en not_active Expired - Fee Related
- 1988-09-29 JP JP63242643A patent/JPH01165201A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB8817852D0 (en) | 1988-09-01 |
GB2210511B (en) | 1991-07-24 |
SE8802549L (sv) | 1989-04-03 |
SE467478B (sv) | 1992-07-20 |
JPH01165201A (ja) | 1989-06-29 |
FR2621421A1 (fr) | 1989-04-07 |
IT8821331A0 (it) | 1988-07-12 |
DE3733397C1 (de) | 1989-03-09 |
SE8802549D0 (sv) | 1988-07-07 |
US4875027A (en) | 1989-10-17 |
FR2621421B1 (fr) | 1990-09-21 |
GB2210511A (en) | 1989-06-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950707 |