JPS57154909A - Frequency band shared antenna - Google Patents
Frequency band shared antennaInfo
- Publication number
- JPS57154909A JPS57154909A JP4012881A JP4012881A JPS57154909A JP S57154909 A JPS57154909 A JP S57154909A JP 4012881 A JP4012881 A JP 4012881A JP 4012881 A JP4012881 A JP 4012881A JP S57154909 A JPS57154909 A JP S57154909A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- band
- frequency band
- high frequency
- wavelength
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4012881A JPS57154909A (en) | 1981-03-19 | 1981-03-19 | Frequency band shared antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4012881A JPS57154909A (en) | 1981-03-19 | 1981-03-19 | Frequency band shared antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57154909A true JPS57154909A (en) | 1982-09-24 |
Family
ID=12572167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4012881A Pending JPS57154909A (en) | 1981-03-19 | 1981-03-19 | Frequency band shared antenna |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57154909A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5483663A (en) * | 1994-04-05 | 1996-01-09 | Diversified Communication Engineering, Inc. | System for providing local originating signals with direct broadcast satellite television signals |
US5761605A (en) * | 1996-10-11 | 1998-06-02 | Northpoint Technology, Ltd. | Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals |
-
1981
- 1981-03-19 JP JP4012881A patent/JPS57154909A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5483663A (en) * | 1994-04-05 | 1996-01-09 | Diversified Communication Engineering, Inc. | System for providing local originating signals with direct broadcast satellite television signals |
US5761605A (en) * | 1996-10-11 | 1998-06-02 | Northpoint Technology, Ltd. | Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals |
US6208834B1 (en) | 1996-10-11 | 2001-03-27 | Northpoint Technology, Ltd. | Apparatus and method for facilitating terrestrial transmissions at frequencies also used for satellite transmissions to a common geographic area |
US7853197B2 (en) | 1996-10-11 | 2010-12-14 | Carmen Tawil | Apparatus and method for reusing satellite broadcast spectrum for terrestrially broadcast signals |
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