JPS63161496U

JPS63161496U -

Info

Publication number: JPS63161496U
Application number: JP5439587U
Authority: JP
Priority date: 1987-04-10
Filing date: 1987-04-10
Publication date: 1988-10-21

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の実施例を示すもので
あり、第１図は一体型ＲＦユニツトの斜視図、第
２図は一体型ＲＦユニツトをＶＴＲ内に装備した
状態を示す外観斜視図、第３図は一体型ＲＦユニ
ツト内の回路構成図、第４図は従来のＶＴＲ内の
高周波ユニツトの配置を示す斜視図、第５図は従
来の高周波ユニツトを装備しているＶＴＲの外観
斜視図、第６図は従来の高周波ユニツトの回路構
成図である。８……テレビ受像器、１０……ＶＨＦアンテナ
、１３……ＵＨＦアンテナ、２０……ＶＴＲ、２
０ａ……リヤパネル、４０……一体型ＲＦユニツ
ト、４１……シールドケース、４２，４３……シ
ールド板、５１……ＲＦモジユレータ回路、５２
……入力選択回路、５３……チヤンネル切換スイ
ツチ、５４……アンテナ入力接栓、５５……ＴＶ
出力接栓、６０……ＴＶチユーナ回路、７０……
ＩＦ回路、７１〜７４……Ａ／Ｖ入出力接栓。 Figures 1 to 3 show embodiments of the present invention. Figure 1 is a perspective view of an integrated RF unit, and Figure 2 is an external perspective view showing the integrated RF unit installed in a VTR. Figure 3 is a circuit diagram of the integrated RF unit, Figure 4 is a perspective view showing the arrangement of the high frequency unit in a conventional VTR, and Figure 5 is an external view of a VTR equipped with a conventional high frequency unit. The perspective view of FIG. 6 is a circuit diagram of a conventional high frequency unit. 8...TV receiver, 10...VHF antenna, 13...UHF antenna, 20...VTR, 2
0a... Rear panel, 40... Integrated RF unit, 41... Shield case, 42, 43... Shield plate, 51... RF modulator circuit, 52
...Input selection circuit, 53...Channel selection switch, 54...Antenna input connector, 55...TV
Output connector, 60...TV tuner circuit, 70...
IF circuit, 71-74...A/V input/output connector.

Claims

[Scope of utility model registration request]

An RF modulator circuit, an input selection circuit, a TV tuner circuit, and an IF circuit are housed in an integrated shield case, and the TV tuner and input selection circuit receive signals from a TV antenna and are housed in the shield case. An antenna input connector that outputs the antenna signal or RF signal from the input selection circuit to the TV receiver, and an A/V output connector that outputs the audio signal and video signal from the playback output section inside the device. An integrated RF unit with a protruding output connector.