JPS58178764U - Television video transmitter - Google Patents
Television video transmitterInfo
- Publication number
- JPS58178764U JPS58178764U JP7681382U JP7681382U JPS58178764U JP S58178764 U JPS58178764 U JP S58178764U JP 7681382 U JP7681382 U JP 7681382U JP 7681382 U JP7681382 U JP 7681382U JP S58178764 U JPS58178764 U JP S58178764U
- Authority
- JP
- Japan
- Prior art keywords
- output
- television video
- filter
- frequency
- video transmitter
- 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
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はテレビジョン映像送信装置に使用されるＶＳＢ
フイルダーに要求される振巾周波数特性の一例を示す。
第２図は従来使用されているテレビジョン映像送信装置
の基本構成を示す図、第３図に本考案の一実施例を示す
図。
図において、１」・・映像変調器、２−・・・ＳＡ
−Ｗ ＶＳＢフィルター、３・・・周波数変換器、
４・・・ＩＦ搬送波発振器、５・・・局部発振器、６・
・・温度検知回路、７・・・補償用発振器、８・・・２
分配器、９・・・ミキサー、１０・・・ミキサー。Figure 1 shows the VSB used in television video transmission equipment.
An example of the amplitude frequency characteristics required for a fielder is shown below. FIG. 2 is a diagram showing the basic configuration of a conventionally used television video transmitting device, and FIG. 3 is a diagram showing an embodiment of the present invention. In the figure, 1"...video modulator, 2-...SA
-W VSB filter, 3... frequency converter,
4... IF carrier wave oscillator, 5... Local oscillator, 6...
...Temperature detection circuit, 7...Compensation oscillator, 8...2
Distributor, 9...Mixer, 10...Mixer.
Claims (1)
器の出力を受する表面弾性波形形ＶＳＢフィルターと、
前記フィルターの出力を受は局部。 発振出力により周波数変換する周波数変換器と、前記フ
イイレターの温度を検知する温度検知器とを−具備し、
前記温度検知器の出力を前記搬送波及び前記局部発振出
力の周波数に相補的に関与させることを特徴とするテレ
ビジョン映像送信装置。[Claims for Utility Model Registration] A modulator that modulates a carrier wave according to video input; a surface acoustic waveform VSB filter that receives the output of the modulator;
The output of the filter is received locally. A frequency converter that converts the frequency using an oscillation output, and a temperature detector that detects the temperature of the filter,
A television video transmitting device characterized in that the output of the temperature sensor is caused to be complementary to the frequency of the carrier wave and the local oscillation output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7681382U JPS58178764U (en) | 1982-05-25 | 1982-05-25 | Television video transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7681382U JPS58178764U (en) | 1982-05-25 | 1982-05-25 | Television video transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58178764U true JPS58178764U (en) | 1983-11-30 |
| JPH0127328Y2 JPH0127328Y2 (en) | 1989-08-15 |
Family
ID=30086107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7681382U Granted JPS58178764U (en) | 1982-05-25 | 1982-05-25 | Television video transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58178764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01123516A (en) * | 1987-11-06 | 1989-05-16 | Kazuhiko Yamanouchi | Temperature compensation type matched filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5595471A (en) * | 1979-01-16 | 1980-07-19 | Toshiba Corp | Television broadcast unit |
| JPS56121377U (en) * | 1980-02-18 | 1981-09-16 |
-
1982
- 1982-05-25 JP JP7681382U patent/JPS58178764U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5595471A (en) * | 1979-01-16 | 1980-07-19 | Toshiba Corp | Television broadcast unit |
| JPS56121377U (en) * | 1980-02-18 | 1981-09-16 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01123516A (en) * | 1987-11-06 | 1989-05-16 | Kazuhiko Yamanouchi | Temperature compensation type matched filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0127328Y2 (en) | 1989-08-15 |
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