JPH0561802B2 - - Google Patents
Info
- Publication number
- JPH0561802B2 JPH0561802B2 JP29670386A JP29670386A JPH0561802B2 JP H0561802 B2 JPH0561802 B2 JP H0561802B2 JP 29670386 A JP29670386 A JP 29670386A JP 29670386 A JP29670386 A JP 29670386A JP H0561802 B2 JPH0561802 B2 JP H0561802B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- radio wave
- wave absorber
- monopole
- distance
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 33
- 230000005404 monopole Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29670386A JPS63149906A (ja) | 1986-12-15 | 1986-12-15 | 電波吸収体付き無線方向探知用アンテナ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29670386A JPS63149906A (ja) | 1986-12-15 | 1986-12-15 | 電波吸収体付き無線方向探知用アンテナ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63149906A JPS63149906A (ja) | 1988-06-22 |
| JPH0561802B2 true JPH0561802B2 (enrdf_load_stackoverflow) | 1993-09-07 |
Family
ID=17836991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29670386A Granted JPS63149906A (ja) | 1986-12-15 | 1986-12-15 | 電波吸収体付き無線方向探知用アンテナ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63149906A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0545435A (ja) * | 1991-08-12 | 1993-02-23 | Susumu Sakuma | 方向検知用固定アンテナ装置 |
| KR100399619B1 (ko) * | 2000-10-09 | 2003-10-10 | (주)하이게인안테나 | 다 측방향 측대파 억압형 지향성 안테나 |
-
1986
- 1986-12-15 JP JP29670386A patent/JPS63149906A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63149906A (ja) | 1988-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6034638A (en) | Antennas for use in portable communications devices | |
| US3599219A (en) | Backlobe reduction in reflector-type antennas | |
| JP4428864B2 (ja) | 同軸キャビティアンテナ | |
| US4229744A (en) | Directional annular slot antenna | |
| AU2020204437B2 (en) | Wide Band Log Periodic Reflector Antenna for Cellular and Wifi | |
| JPH02260704A (ja) | 平面アンテナ | |
| JP4159140B2 (ja) | 広帯域幅のアンテナアレイ | |
| US3932874A (en) | Broadband turnstile antenna | |
| JPH05308223A (ja) | ２周波共用アンテナ | |
| US10998621B1 (en) | Wideband dual polarized antenna array system | |
| RU2111584C1 (ru) | Широкополосная антенна | |
| US4315264A (en) | Circularly polarized antenna with circular arrays of slanted dipoles mounted around a conductive mast | |
| WO1988009065A1 (en) | Broad frequency range aerial | |
| DuHamel et al. | Log periodic feeds for lens and reflectors | |
| JP4202572B2 (ja) | 無指向性アンテナ | |
| JPH0561802B2 (enrdf_load_stackoverflow) | ||
| US3803622A (en) | Hf dual-feed corner reflector antenna | |
| Abdolahi et al. | A new wideband modified biquad antenna at VHF for communication systems | |
| JPH0741206Y2 (ja) | 電波吸収体旋回型方向探知用アンテナ装置 | |
| JP3261606B2 (ja) | アンテナ装置 | |
| RU2153742C1 (ru) | Широкополосная антенна | |
| US2737656A (en) | Non-resonant antenna | |
| US4251818A (en) | Corner reflector circularly polarized antenna | |
| Makanae et al. | A Study on gain enhancement of a leaf-shaped bowtie slot antenna array employing dielectric superstrates | |
| JPS63155806A (ja) | 電波吸収体旋回型方向探知用アンテナ装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |