JPS63173974U - - Google Patents
Info
- Publication number
- JPS63173974U JPS63173974U JP1987065583U JP6558387U JPS63173974U JP S63173974 U JPS63173974 U JP S63173974U JP 1987065583 U JP1987065583 U JP 1987065583U JP 6558387 U JP6558387 U JP 6558387U JP S63173974 U JPS63173974 U JP S63173974U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- level detection
- input
- output
- television relay
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Landscapes
- Details Of Television Systems (AREA)
Description
第１図は本考案の一実施例に係るテレビジヨン
中継放送装置の構成ブロツク図である。
１……第１の励振装置、２……第２の励振装置
、３……切換スイツチ、４……電力増幅器、５…
…入力レベル検出回路、６，７……出力レベル検
出回路、８……切換スイツチ制御回路、９……受
信変換回路、１０……分離回路、１１……映像信
号系回路、１２……音声信号系回路、１３……合
成回路、１４……送信変換回路、１５……レベル
等化回路、１６……検波器、１７……比較器、２
１……入力端子、２２……出力端子。
FIG. 1 is a block diagram of a television relay broadcasting apparatus according to an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... First excitation device, 2... Second excitation device, 3... Changeover switch, 4... Power amplifier, 5...
... Input level detection circuit, 6, 7 ... Output level detection circuit, 8 ... Selector switch control circuit, 9 ... Reception conversion circuit, 10 ... Separation circuit, 11 ... Video signal system circuit, 12 ... Audio signal System circuit, 13...Synthesizing circuit, 14...Transmission conversion circuit, 15...Level equalization circuit, 16...Detector, 17...Comparator, 2
1...Input terminal, 22...Output terminal.
Claims (1)
継信号が並列に入力する２台の励振装置の入力側
に入力レベル検出回路を、その２台の励振装置の
それぞれの出力側に出力レベル検出回路をそれぞ
れ設け、入力レベル検出回路と出力レベル検出回
路の出力内容に応じて２台の励振装置間の自動切
換を行うようにしたテレビジヨン中継放送装置に
おいて；前記入力レベル検出回路と２個の出力レ
ベル検出回路とのそれぞれには、正常時における
映像信号レベルと音声信号レベルとを近接させる
レベル等化手段；を設けたことを特徴とするテレ
ビジヨン中継放送装置。 An input level detection circuit is installed on the input side of two excitation devices into which television relay signals consisting of video signals and audio signals are input in parallel, and an output level detection circuit is installed on the output side of each of the two excitation devices. In a television relay broadcasting apparatus in which automatic switching between two excitation devices is performed according to output contents of an input level detection circuit and an output level detection circuit; 1. A television relay broadcasting apparatus, characterized in that each of the circuits is provided with level equalization means for bringing the video signal level and the audio signal level close to each other in a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987065583U JPS63173974U (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987065583U JPS63173974U (en) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173974U true JPS63173974U (en) | 1988-11-11 |
Family
ID=30902792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987065583U Pending JPS63173974U (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173974U (en) |
-
1987
- 1987-04-30 JP JP1987065583U patent/JPS63173974U/ja active Pending
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