JPS6178446U - - Google Patents
Info
- Publication number
- JPS6178446U JPS6178446U JP1984161558U JP16155884U JPS6178446U JP S6178446 U JPS6178446 U JP S6178446U JP 1984161558 U JP1984161558 U JP 1984161558U JP 16155884 U JP16155884 U JP 16155884U JP S6178446 U JPS6178446 U JP S6178446U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- audio signal
- optimal
- mobile
- 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.)
- Granted
Links
- 238000000926 separation method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案に係る移動体用ＴＶのダイバー
シテイー受信装置の好適な実施例を示すブロツク
図、第２図は第１図に示す装置のドライブ状態判
別回路の回路図、第３図は従来の車両用ＴＶのダ
イバーシテイー受信装置を示すブロツク図、第４
図は本考案の他の実施例を示すブロツク図である
。
１０Ａ，１０Ｂ…ＴＶアンテナ、４０…音声分
離回路、４４…音声検波回路、６０…第１のアン
テナ指示回路、６２…第２のアンテナ指示回路。
FIG. 1 is a block diagram showing a preferred embodiment of a diversity receiving device for a mobile TV according to the present invention, FIG. 2 is a circuit diagram of a drive state determination circuit of the device shown in FIG. 1, and FIG. Block diagram illustrating a conventional vehicle TV diversity receiving device, No. 4
The figure is a block diagram showing another embodiment of the present invention. 10A, 10B...TV antenna, 40...audio separation circuit, 44...audio detection circuit, 60...first antenna instruction circuit, 62...second antenna instruction circuit.
Claims (1)
声信号とに分離し、移動体の速度が一定値以下の
停止時には映像信号及び音声信号の双方をＴＶか
ら出力し、速度が一定値以上の移動時には音声信
号のみをＴＶから出力する移動体用ＴＶのダイバ
ーシテイー受信装置であつて、 複数の移動体用ＴＶアンテナと、 前記映像信号に基き最適ＴＶアンテナを指定す
る第１のアンテナ指定回路と、 前記音声信号に基き最適ＴＶアンテナを指定す
る第２のアンテナ指定回路と、 を含み、停止時には第１のアンテナ指定回路によ
り指定されるＴＶアンテナを用い、移動時には第
２のＴＶアンテナ指定回路により指定されるＴＶ
アンテナを用い、ＴＶ放送用電波の受信を行うこ
とを特徴とする移動体用ＴＶのダイバーシテイー
受信装置。 (2) 実用新案登録請求の範囲(1)記載の装置にお
いて、 第２のアンテナ指定回路は、音声分離回路によ
り分離出力される音声信号のアンテナ誘起電圧に
比例した電圧に基づき最適ＴＶアンテナを指定す
ることを特徴とする移動体用ＴＶのダイバーシテ
イー受信装置。 (3) 実用新案登録請求の範囲(1)記載の装置にお
いて、 第２のアンテナ指定回路は、音声分離回路及び
音声検波回路を介して出力される音声信号の歪み
量に基づき最適ＴＶアンテナを指定することを特
徴とする移動体用ＴＶのダイバーシテイー受信装
置。[Claims for Utility Model Registration] (1) Separate the received signal of TV broadcast radio waves into a video signal and an audio signal, and when the moving object stops at a speed below a certain value, both the video signal and the audio signal are sent from the TV. A diversity receiving device for a mobile TV that outputs only an audio signal from the TV when moving at a speed above a certain value, which comprises a plurality of mobile TV antennas and an optimal TV antenna based on the video signal. a first antenna designation circuit that designates an optimal TV antenna based on the audio signal; and a second antenna designation circuit that designates an optimal TV antenna based on the audio signal; A TV sometimes designated by a second TV antenna designation circuit.
A diversity receiving device for a mobile TV, characterized in that it receives radio waves for TV broadcasting using an antenna. (2) In the device described in utility model registration claim (1), the second antenna designation circuit designates the optimal TV antenna based on the voltage proportional to the antenna induced voltage of the audio signal separated and output by the audio separation circuit. A diversity receiving device for a mobile TV, characterized in that: (3) In the device described in utility model registration claim (1), the second antenna designation circuit designates the optimal TV antenna based on the amount of distortion of the audio signal output via the audio separation circuit and the audio detection circuit. A diversity receiving device for a mobile TV, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984161558U JPH033010Y2 (en) | 1984-10-25 | 1984-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984161558U JPH033010Y2 (en) | 1984-10-25 | 1984-10-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6178446U true JPS6178446U (en) | 1986-05-26 |
| JPH033010Y2 JPH033010Y2 (en) | 1991-01-25 |
Family
ID=30719462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984161558U Expired JPH033010Y2 (en) | 1984-10-25 | 1984-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033010Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62177139U (en) * | 1986-04-28 | 1987-11-10 |
-
1984
- 1984-10-25 JP JP1984161558U patent/JPH033010Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62177139U (en) * | 1986-04-28 | 1987-11-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033010Y2 (en) | 1991-01-25 |
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