JPS57188143A - Antenna device - Google Patents
Antenna deviceInfo
- Publication number
- JPS57188143A JPS57188143A JP7264481A JP7264481A JPS57188143A JP S57188143 A JPS57188143 A JP S57188143A JP 7264481 A JP7264481 A JP 7264481A JP 7264481 A JP7264481 A JP 7264481A JP S57188143 A JPS57188143 A JP S57188143A
- Authority
- JP
- Japan
- Prior art keywords
- sectorial
- antenna elements
- mosfets
- antenna
- input impedance
- 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.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7264481A JPS57188143A (en) | 1981-05-14 | 1981-05-14 | Antenna device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7264481A JPS57188143A (en) | 1981-05-14 | 1981-05-14 | Antenna device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57188143A true JPS57188143A (en) | 1982-11-19 |
JPH0315384B2 JPH0315384B2 (enrdf_load_stackoverflow) | 1991-02-28 |
Family
ID=13495289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7264481A Granted JPS57188143A (en) | 1981-05-14 | 1981-05-14 | Antenna device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57188143A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0250604A (ja) * | 1988-08-12 | 1990-02-20 | Michiko Naito | アクティブアンテナ |
JP2006279526A (ja) * | 2005-03-29 | 2006-10-12 | Mitsubishi Electric Corp | 高周波通信機 |
US7542000B2 (en) | 2004-09-21 | 2009-06-02 | Canon Kabushiki Kaisha | Planar antenna apparatus |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005094437A (ja) * | 2003-09-18 | 2005-04-07 | Mitsumi Electric Co Ltd | Uwb用アンテナ |
JP3964382B2 (ja) * | 2003-11-11 | 2007-08-22 | ミツミ電機株式会社 | アンテナ装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5538705A (en) * | 1978-09-11 | 1980-03-18 | Pioneer Electronic Corp | Antenna circuit |
-
1981
- 1981-05-14 JP JP7264481A patent/JPS57188143A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5538705A (en) * | 1978-09-11 | 1980-03-18 | Pioneer Electronic Corp | Antenna circuit |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0250604A (ja) * | 1988-08-12 | 1990-02-20 | Michiko Naito | アクティブアンテナ |
US7542000B2 (en) | 2004-09-21 | 2009-06-02 | Canon Kabushiki Kaisha | Planar antenna apparatus |
JP2006279526A (ja) * | 2005-03-29 | 2006-10-12 | Mitsubishi Electric Corp | 高周波通信機 |
Also Published As
Publication number | Publication date |
---|---|
JPH0315384B2 (enrdf_load_stackoverflow) | 1991-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE9904256D0 (sv) | An antenna device and a radio communication device including an antenna device | |
CA2426884A1 (en) | Surface-mount antenna and communication device with surface-mount antenna | |
EP0348054A3 (en) | Mobile communications antenna | |
ATE130126T1 (de) | Motorisch auffahrbare mehrbandantenne. | |
CA2097944A1 (en) | Composite Duplex Filter | |
EP0984510A4 (en) | ANTENNA DEVICE AND MOBILE COMMUNICATION UNIT | |
HK80489A (en) | Portable radio receiver with high antenna gain | |
ATE39790T1 (de) | Doppelfrequenzmikrowellenantenne. | |
DK274886A (da) | Antenne til et radiosende- og modtageapparat | |
JPS57188143A (en) | Antenna device | |
GB2357906A (en) | An antenna means, a radio communication system and a method for manufacturing a radiating structure | |
BG100628A (en) | Planar aerial | |
EP0767531A1 (en) | A microwave oscillation circuit and a down converter using the same | |
EP1033780A3 (en) | Low noise converting apparatus | |
US5006861A (en) | Antenna | |
US5280253A (en) | Cylindrical waveguide-to-microstrip line converter | |
SE0300206L (sv) | Boosterantenn | |
JPS62277801A (ja) | 無線装置 | |
JPS54103601A (en) | Uhf electronic tuner | |
JPS5758402A (en) | Loop antenna common use for two frequencies | |
JPS63279620A (ja) | 高周波半導体装置 | |
GB720225A (en) | Improvements in or relating to radio receivers having a built-in antenna | |
JPS6478004A (en) | Mobile station diversity antenna device | |
JP2953146B2 (ja) | 衛星電波受信用ダウンコンバータ | |
KR900001069B1 (ko) | 55°k의 잡음온도를 갖는 저잡음 증폭기 |