NL275456A - - Google Patents
Info
- Publication number
- NL275456A NL275456A NL275456DA NL275456A NL 275456 A NL275456 A NL 275456A NL 275456D A NL275456D A NL 275456DA NL 275456 A NL275456 A NL 275456A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/008—Receiver or amplifier input circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2232461A GB921950A (en) | 1961-06-20 | 1961-06-20 | Broad band loop antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL275456A true NL275456A (xx) |
Family
ID=10177546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL275456D NL275456A (xx) | 1961-06-20 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB921950A (xx) |
| NL (1) | NL275456A (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2384367A (en) * | 2002-01-22 | 2003-07-23 | Benjamin Edginton | Multi-band small loop antenna |
| US9070969B2 (en) | 2010-07-06 | 2015-06-30 | Apple Inc. | Tunable antenna systems |
| US9246221B2 (en) | 2011-03-07 | 2016-01-26 | Apple Inc. | Tunable loop antennas |
| US9166279B2 (en) | 2011-03-07 | 2015-10-20 | Apple Inc. | Tunable antenna system with receiver diversity |
| US9350069B2 (en) | 2012-01-04 | 2016-05-24 | Apple Inc. | Antenna with switchable inductor low-band tuning |
| US9190712B2 (en) | 2012-02-03 | 2015-11-17 | Apple Inc. | Tunable antenna system |
| EP3439109A1 (de) * | 2017-08-01 | 2019-02-06 | Antretter & Huber GmbH | Sende- und/oder empfangsvorrichtung |
| IL256639B (en) | 2017-12-28 | 2022-09-01 | Elta Systems Ltd | Compact antenna |
-
0
- NL NL275456D patent/NL275456A/xx unknown
-
1961
- 1961-06-20 GB GB2232461A patent/GB921950A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB921950A (en) | 1963-03-27 |