FR2265189A1 - - Google Patents
Info
- Publication number
- FR2265189A1 FR2265189A1 FR7509066A FR7509066A FR2265189A1 FR 2265189 A1 FR2265189 A1 FR 2265189A1 FR 7509066 A FR7509066 A FR 7509066A FR 7509066 A FR7509066 A FR 7509066A FR 2265189 A1 FR2265189 A1 FR 2265189A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/40—Radiating elements coated with or embedded in protective material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/02—Arrangements for de-icing; Arrangements for drying-out ; Arrangements for cooling; Arrangements for preventing corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
-
- 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
- H01Q11/08—Helical antennas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US453917A US3902178A (en) | 1974-03-22 | 1974-03-22 | Helical antenna with improved temperature characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2265189A1 true FR2265189A1 (US20100012521A1-20100121-C00001.png) | 1975-10-17 |
| FR2265189B3 FR2265189B3 (US20100012521A1-20100121-C00001.png) | 1977-11-25 |
Family
ID=23802573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7509066A Expired FR2265189B3 (US20100012521A1-20100121-C00001.png) | 1974-03-22 | 1975-03-24 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3902178A (US20100012521A1-20100121-C00001.png) |
| FR (1) | FR2265189B3 (US20100012521A1-20100121-C00001.png) |
| GB (1) | GB1500075A (US20100012521A1-20100121-C00001.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4494122A (en) * | 1982-12-22 | 1985-01-15 | Motorola, Inc. | Antenna apparatus capable of resonating at two different frequencies |
| FI89646C (fi) * | 1991-03-25 | 1993-10-25 | Nokia Mobile Phones Ltd | Antennstav och foerfarande foer dess framstaellning |
| US6078298A (en) * | 1998-10-26 | 2000-06-20 | Terk Technologies Corporation | Di-pole wide bandwidth antenna |
| US6219902B1 (en) | 1998-12-21 | 2001-04-24 | T & M Antennas | Method for manufacturing a protectively coated helically wound antenna |
| KR100676249B1 (ko) * | 2001-05-23 | 2007-01-30 | 삼성전자주식회사 | 기판 절단용 냉매, 이를 이용한 기판 절단 방법 및 이를수행하기 위한 장치 |
| EP1769561A4 (en) * | 2004-05-24 | 2008-05-21 | Amphenol T & M Antennas | MULTI-BAND ANTENNA AND ANTENNA MODULE |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US793718A (en) * | 1905-03-30 | 1905-07-04 | Reginald A Fessenden | Wireless telegraphy. |
| US2676257A (en) * | 1950-06-03 | 1954-04-20 | Hughes Tool Co | Microwave antenna array |
| US3369198A (en) * | 1965-10-21 | 1968-02-13 | Army Usa | Water cooled waveguide load |
| US3818488A (en) * | 1973-01-18 | 1974-06-18 | Itt | Shipboard yardarm half-wave antenna |
-
1974
- 1974-03-22 US US453917A patent/US3902178A/en not_active Expired - Lifetime
-
1975
- 1975-03-21 GB GB12011/75A patent/GB1500075A/en not_active Expired
- 1975-03-24 FR FR7509066A patent/FR2265189B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1500075A (en) | 1978-02-08 |
| FR2265189B3 (US20100012521A1-20100121-C00001.png) | 1977-11-25 |
| US3902178A (en) | 1975-08-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |