GB1166134A - Antennas - Google Patents
AntennasInfo
- Publication number
- GB1166134A GB1166134A GB21576/67A GB2157667A GB1166134A GB 1166134 A GB1166134 A GB 1166134A GB 21576/67 A GB21576/67 A GB 21576/67A GB 2157667 A GB2157667 A GB 2157667A GB 1166134 A GB1166134 A GB 1166134A
- Authority
- GB
- United Kingdom
- Prior art keywords
- conductive
- coil
- disc
- conductive surface
- wound
- 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
- 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
- H01Q7/06—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 core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
Landscapes
- Regulation Of General Use Transformers (AREA)
- Coils Or Transformers For Communication (AREA)
- Details Of Aerials (AREA)
Abstract
1,166,134. Aerials. DICTAPHONE CORP. 9 May, 1967 [17 May, 1966], No. 21576/67. Heading H4A. An aerial of the kind in which a coil is wound on an elongated core of magnetic material is provided with a conductive surface surrounding a portion of the core. Overlapping portions of the conductive surface are insulated from each other to form a non-conductive gap therein, and the coil, or at least a major proportion thereof, is located externally of said conductive surface. As described, a ferrite rod 30 is first wound with approximately 1 turns of interleaved insulating and conductive strips 36, 34a, such as, waxed paper and copper foil, then with a coil 32, and then with one and a fraction turns of conductive strip material on edge, forming an annular disc 34b whose overlapping edges are slightly spaced apart. An insulating spacer 38 is provided between the disc 34b and the conductive strip 34a. In other embodiments either the strips 36, 34a or the disc 34b are omitted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55077666A | 1966-05-17 | 1966-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1166134A true GB1166134A (en) | 1969-10-08 |
Family
ID=24198525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21576/67A Expired GB1166134A (en) | 1966-05-17 | 1967-05-09 | Antennas |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3453634A (en) |
| BE (1) | BE698460A (en) |
| DE (1) | DE1591099A1 (en) |
| FR (1) | FR1522941A (en) |
| GB (1) | GB1166134A (en) |
| NL (1) | NL6706758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2282028A (en) * | 1993-08-26 | 1995-03-22 | Betacom Plc | Cordless telephone with loop antenna |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1207595A (en) * | 1968-03-25 | 1970-10-07 | Pye Ltd | Aerials |
| US3581540A (en) * | 1969-02-10 | 1971-06-01 | Gulf Energy & Environ Systems | Inductive device |
| DE3504660A1 (en) * | 1985-02-12 | 1986-08-21 | Rainer Dipl.-Ing. 6500 Mainz Bermbach | Ferrite antenna for clock radios |
| GB9220409D0 (en) * | 1992-09-28 | 1992-11-11 | Texas Instruments Holland | Shielded transponder |
| US5557279A (en) * | 1993-09-28 | 1996-09-17 | Texas Instruments Incorporated | Unitarily-tuned transponder/shield assembly |
| WO2013069465A1 (en) | 2011-11-09 | 2013-05-16 | 株式会社村田製作所 | Antenna device and electronic device |
| JP6519299B2 (en) * | 2015-04-28 | 2019-05-29 | Tdk株式会社 | Antenna device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE468973C (en) * | 1928-11-27 | Emil Pfiffner | Arrangement to reduce the spread of the windings of cascade transformers | |
| US2981945A (en) * | 1954-03-31 | 1961-04-25 | Ethel P Fyler | Antenna adapted for missile stabilization |
| BE627249A (en) * | 1962-01-19 | |||
| US3378626A (en) * | 1966-01-06 | 1968-04-16 | Noel C. Tucker | Method and product for shielding windings |
-
1966
- 1966-05-17 US US550776A patent/US3453634A/en not_active Expired - Lifetime
-
1967
- 1967-05-09 GB GB21576/67A patent/GB1166134A/en not_active Expired
- 1967-05-12 BE BE698460D patent/BE698460A/xx unknown
- 1967-05-16 FR FR106477A patent/FR1522941A/en not_active Expired
- 1967-05-16 NL NL6706758A patent/NL6706758A/xx unknown
- 1967-05-17 DE DE19671591099 patent/DE1591099A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2282028A (en) * | 1993-08-26 | 1995-03-22 | Betacom Plc | Cordless telephone with loop antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1522941A (en) | 1968-04-26 |
| BE698460A (en) | 1967-10-16 |
| DE1591099A1 (en) | 1970-10-29 |
| NL6706758A (en) | 1967-11-20 |
| US3453634A (en) | 1969-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |