FR673720A - Perfectionnements aux antennes constituées par des rideaux en grecques - Google Patents
Perfectionnements aux antennes constituées par des rideaux en grecquesInfo
- Publication number
- FR673720A FR673720A FR673720DA FR673720A FR 673720 A FR673720 A FR 673720A FR 673720D A FR673720D A FR 673720DA FR 673720 A FR673720 A FR 673720A
- Authority
- FR
- France
- Prior art keywords
- greek
- curtains
- antennas formed
- antennas
- 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
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/04—Non-resonant antennas, e.g. travelling-wave antenna with parts bent, folded, shaped, screened or electrically loaded to obtain desired phase relation of radiation from selected sections of the antenna
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR673720T | 1928-08-27 | ||
| FR36236T | 1928-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR673720A true FR673720A (fr) | 1930-01-18 |
Family
ID=26182667
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR673720D Expired FR673720A (fr) | 1928-08-27 | 1928-08-27 | Perfectionnements aux antennes constituées par des rideaux en grecques |
| FR36236D Expired FR36236E (fr) | 1928-08-27 | 1928-09-20 | Perfectionnements aux antennes constituées par des rideaux en grecques |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR36236D Expired FR36236E (fr) | 1928-08-27 | 1928-09-20 | Perfectionnements aux antennes constituées par des rideaux en grecques |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1987780A (enrdf_load_stackoverflow) |
| BE (1) | BE363886A (enrdf_load_stackoverflow) |
| DE (1) | DE518622C (enrdf_load_stackoverflow) |
| FR (2) | FR673720A (enrdf_load_stackoverflow) |
| GB (2) | GB318112A (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2472106A (en) * | 1943-09-20 | 1949-06-07 | Sperry Corp | Broad band antenna |
| US2780808A (en) * | 1953-12-15 | 1957-02-05 | Marvin P Middlemark | High frequency antennas |
| US3140491A (en) * | 1963-01-24 | 1964-07-07 | Boeing Co | Diffraction shield consisting of notched ring which frames passive reflector |
| US3805269A (en) * | 1971-06-14 | 1974-04-16 | Matsushita Electric Industrial Co Ltd | Diverse type dipole antennas on common mount |
| US4335385A (en) * | 1978-07-11 | 1982-06-15 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Stripline antennas |
| US6064347A (en) * | 1997-12-29 | 2000-05-16 | Scientific-Atlanta, Inc. | Dual frequency, low profile antenna for low earth orbit satellite communications |
| US7250917B1 (en) | 2004-01-14 | 2007-07-31 | Thompson Louis H | Directional wire antennas for radio frequency identification tag system |
| US9642620B2 (en) | 2013-12-23 | 2017-05-09 | Ethicon Endo-Surgery, Llc | Surgical cutting and stapling instruments with articulatable end effectors |
-
0
- BE BE363886D patent/BE363886A/xx unknown
-
1928
- 1928-08-27 FR FR673720D patent/FR673720A/fr not_active Expired
- 1928-09-20 FR FR36236D patent/FR36236E/fr not_active Expired
-
1929
- 1929-07-30 US US382203A patent/US1987780A/en not_active Expired - Lifetime
- 1929-08-27 GB GB26070/29A patent/GB318112A/en not_active Expired
- 1929-08-28 DE DEL76054D patent/DE518622C/de not_active Expired
- 1929-09-09 GB GB27425/29A patent/GB319324A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR36236E (fr) | 1930-04-30 |
| GB319324A (en) | 1930-11-13 |
| US1987780A (en) | 1935-01-15 |
| GB318112A (en) | 1930-10-30 |
| DE518622C (de) | 1931-02-18 |
| BE363886A (enrdf_load_stackoverflow) |
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