JPH02101680U - - Google Patents
Info
- Publication number
- JPH02101680U JPH02101680U JP1008289U JP1008289U JPH02101680U JP H02101680 U JPH02101680 U JP H02101680U JP 1008289 U JP1008289 U JP 1008289U JP 1008289 U JP1008289 U JP 1008289U JP H02101680 U JPH02101680 U JP H02101680U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- demodulation circuit
- planar antenna
- converter
- audio
- 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
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
第１図は本考案に係る衛星放送受信アンテナ装
置の一実施例を示すブロツク図、第２図は第１図
の音声復調回路の一例を示すブロツク図、第３図
は本考案の衛星放送受信アンテナ装置を用いた衛
星放送受信システムを示す概略図である。
１……平面型アンテナ本体、３……チユーナユ
ニツト、５……コンバータ、７……選局復調回路
、９……映像信号処理回路、１１……音声復調回
路、４……４相ＤＰＳＫ復調回路、１５……ＰＣ
Ｍ音声デコーダ回路、１７……アナログ音声処理
回路、１９……伝送ケーブル、２１……テレビジ
ヨン受像機。
FIG. 1 is a block diagram showing an embodiment of the satellite broadcast receiving antenna device according to the present invention, FIG. 2 is a block diagram showing an example of the audio demodulation circuit of FIG. 1, and FIG. 1 is a schematic diagram showing a satellite broadcast receiving system using an antenna device. DESCRIPTION OF SYMBOLS 1... Planar antenna main body, 3... Tuner unit, 5... Converter, 7... Tuning demodulation circuit, 9... Video signal processing circuit, 11... Audio demodulation circuit, 4... 4-phase DPSK demodulation circuit, 15...PC
M audio decoder circuit, 17...analog audio processing circuit, 19...transmission cable, 21...television receiver.
Claims (1)
送受信信号を第１の中間周波信号に変換するコン
バータと、 前記第１の中間周波信号から所望のチヤンネル
を選局して第２の中間周波信号に変換するととも
にこれを検波し、少なくとも検波信号を出力する
選局復調回路と、 少なくとも前記検波信号から音声復調信号のビ
ツトストリーム信号を出力する音声復調回路と、 を具備してなり、 前記コンバータ、選局復調回路および音声復調
回路にてチユーナユニツトが形成され、このチユ
ーナユニツトが前記平面型アンテナ本体に装備さ
れるとともに、前記選局復調回路が外部から選局
制御されるよう構成されてなること特徴とする衛
星放送受信アンテナ装置。[Claims for Utility Model Registration] A planar antenna main body, a converter that converts a satellite broadcast reception signal received by the planar antenna main body into a first intermediate frequency signal, and a converter that converts a satellite broadcast reception signal received by the planar antenna main body into a first intermediate frequency signal; a channel selection demodulation circuit that selects a channel, converts it into a second intermediate frequency signal, detects this, and outputs at least a detected signal; and an audio signal that outputs a bit stream signal of an audio demodulated signal from at least the detected signal. a demodulation circuit; the converter, the tuning demodulation circuit, and the audio demodulation circuit form a tuner unit, the tuner unit is installed in the planar antenna body, and the tuning demodulation circuit is connected to the antenna from the outside. A satellite broadcast receiving antenna device characterized in that it is configured to perform channel selection control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1008289U JPH02101680U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1008289U JPH02101680U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101680U true JPH02101680U (en) | 1990-08-13 |
Family
ID=31217424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1008289U Pending JPH02101680U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101680U (en) |
-
1989
- 1989-01-31 JP JP1008289U patent/JPH02101680U/ja active Pending
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