GB2284712B - Antenna - Google Patents
AntennaInfo
- Publication number
- GB2284712B GB2284712B GB8709762A GB8709762A GB2284712B GB 2284712 B GB2284712 B GB 2284712B GB 8709762 A GB8709762 A GB 8709762A GB 8709762 A GB8709762 A GB 8709762A GB 2284712 B GB2284712 B GB 2284712B
- Authority
- GB
- United Kingdom
- Prior art keywords
- antenna
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8709762A GB2284712B (en) | 1987-04-24 | 1987-04-24 | Antenna |
IT8847862A IT8847862A0 (en) | 1987-04-24 | 1988-04-18 | ANTENNA |
FR8805326A FR2717310A1 (en) | 1987-04-24 | 1988-04-22 | Antenna. |
SE8801533A SE8801533D0 (en) | 1987-04-24 | 1988-04-22 | ANTENNA |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8709762A GB2284712B (en) | 1987-04-24 | 1987-04-24 | Antenna |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8709762D0 GB8709762D0 (en) | 1995-03-15 |
GB2284712A GB2284712A (en) | 1995-06-14 |
GB2284712B true GB2284712B (en) | 1995-10-11 |
Family
ID=10616309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8709762A Expired - Fee Related GB2284712B (en) | 1987-04-24 | 1987-04-24 | Antenna |
Country Status (4)
Country | Link |
---|---|
FR (1) | FR2717310A1 (en) |
GB (1) | GB2284712B (en) |
IT (1) | IT8847862A0 (en) |
SE (1) | SE8801533D0 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9627091D0 (en) * | 1996-12-31 | 1997-02-19 | Northern Telecom Ltd | An inverted E antenna |
GB2371924A (en) * | 2001-02-01 | 2002-08-07 | Nokia Mobile Phones Ltd | Capacitive antenna tuning |
US7928914B2 (en) * | 2004-06-21 | 2011-04-19 | Motorola Mobility, Inc. | Multi-frequency conductive-strip antenna system |
WO2014206085A1 (en) * | 2013-06-28 | 2014-12-31 | Li Ping | Resonant broadband short-wave antenna |
-
1987
- 1987-04-24 GB GB8709762A patent/GB2284712B/en not_active Expired - Fee Related
-
1988
- 1988-04-18 IT IT8847862A patent/IT8847862A0/en unknown
- 1988-04-22 SE SE8801533A patent/SE8801533D0/en not_active Application Discontinuation
- 1988-04-22 FR FR8805326A patent/FR2717310A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2717310A1 (en) | 1995-09-15 |
IT8847862A0 (en) | 1988-04-18 |
SE8801533D0 (en) | 1988-04-22 |
GB8709762D0 (en) | 1995-03-15 |
GB2284712A (en) | 1995-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960111 |