CA999940A - Rotating joint system using polarisation transformers for transmitting electromagnetic waves - Google Patents
Rotating joint system using polarisation transformers for transmitting electromagnetic wavesInfo
- Publication number
- CA999940A CA999940A CA190,217A CA190217A CA999940A CA 999940 A CA999940 A CA 999940A CA 190217 A CA190217 A CA 190217A CA 999940 A CA999940 A CA 999940A
- Authority
- CA
- Canada
- Prior art keywords
- polarisation
- transformers
- electromagnetic waves
- rotating joint
- joint system
- 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
- H01P1/165—Auxiliary devices for rotating the plane of polarisation
- H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation
- H01P1/173—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation using a conductive element
-
- 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
- H01P1/066—Movable joints, e.g. rotating joints the relative movement being a rotation with an unlimited angle of rotation
- H01P1/067—Movable joints, e.g. rotating joints the relative movement being a rotation with an unlimited angle of rotation the energy being transmitted in only one line located on the axis of rotation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7301455A FR2214175B1 (zh) | 1973-01-16 | 1973-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA999940A true CA999940A (en) | 1976-11-16 |
Family
ID=9113380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA190,217A Expired CA999940A (en) | 1973-01-16 | 1974-01-15 | Rotating joint system using polarisation transformers for transmitting electromagnetic waves |
Country Status (3)
Country | Link |
---|---|
US (1) | US3906407A (zh) |
CA (1) | CA999940A (zh) |
FR (1) | FR2214175B1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2099227B (en) * | 1981-04-24 | 1985-04-17 | Ferranti Ltd | Microwave phase-shifitng apparatus |
US5877660A (en) * | 1994-06-02 | 1999-03-02 | Nihon Dengyo Kosaku Co., Ltd. | Phase shifting device with rotatable cylindrical case having driver means on the end walls |
US6720840B2 (en) | 2002-08-15 | 2004-04-13 | Radio Frequency Systems Inc. | Polarization rotationer |
JP5446552B2 (ja) * | 2009-07-30 | 2014-03-19 | ソニー株式会社 | 無線通信装置、回転構造体、電子機器 |
US20110057849A1 (en) * | 2009-09-08 | 2011-03-10 | Orbit Communication Ltd. | Dynamic polarization adjustment for a ground station antenna |
US8917149B2 (en) * | 2011-03-22 | 2014-12-23 | Sony Corporation | Rotary joint for switchably rotating between a jointed and non-jointed state to provide for polarization rotation |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2432093A (en) * | 1942-07-30 | 1947-12-09 | Bell Telephone Labor Inc | Wave transmission network |
US2438119A (en) * | 1942-11-03 | 1948-03-23 | Bell Telephone Labor Inc | Wave transmission |
US2425235A (en) * | 1943-07-16 | 1947-08-05 | Kenlea Mfg Company | Filter |
US2603709A (en) * | 1946-12-11 | 1952-07-15 | Bell Telephone Labor Inc | Rotatable wave guide attenuator |
US2858512A (en) * | 1954-05-03 | 1958-10-28 | Hewlett Packard Co | Apparatus for varying the phase in waveguide systems |
US3668567A (en) * | 1970-07-02 | 1972-06-06 | Hughes Aircraft Co | Dual mode rotary microwave coupler |
-
1973
- 1973-01-16 FR FR7301455A patent/FR2214175B1/fr not_active Expired
-
1974
- 1974-01-11 US US432689A patent/US3906407A/en not_active Expired - Lifetime
- 1974-01-15 CA CA190,217A patent/CA999940A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3906407A (en) | 1975-09-16 |
FR2214175A1 (zh) | 1974-08-09 |
FR2214175B1 (zh) | 1977-12-30 |
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