JPS62139173U - - Google Patents
Info
- Publication number
- JPS62139173U JPS62139173U JP2708186U JP2708186U JPS62139173U JP S62139173 U JPS62139173 U JP S62139173U JP 2708186 U JP2708186 U JP 2708186U JP 2708186 U JP2708186 U JP 2708186U JP S62139173 U JPS62139173 U JP S62139173U
- Authority
- JP
- Japan
- Prior art keywords
- video signal
- noise
- detection circuit
- converting
- noise detection
- 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
- 230000015654 memory Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案によるテレビ受信装置の構成を
示すブロツク図、第２図および第３図は本考案に
よるテレビ受信装置の動作を説明するための図で
ある。
１……アンテナ、２……雑音検出器を備えたテ
レビ放送受信部、３……Ａ／Ｄ変換器、４，７…
…映像信号スイツチング回路、５，６……１フレ
ーム分の容量を持つ画像メモリ、８……Ｄ／Ａ変
換器、９……ブラウン管等による表示装置、１０
……スイツチング信号およびハイカツト信号発生
回路、１１……音声信号遅延回路、１２……音声
信号に対する高音域減衰回路、１３……スピーカ
。
FIG. 1 is a block diagram showing the configuration of a television receiver according to the present invention, and FIGS. 2 and 3 are diagrams for explaining the operation of the television receiver according to the present invention. DESCRIPTION OF SYMBOLS 1... Antenna, 2... Television broadcast receiving section equipped with a noise detector, 3... A/D converter, 4, 7...
...Video signal switching circuit, 5, 6... Image memory with capacity for one frame, 8... D/A converter, 9... Display device using a cathode ray tube, etc., 10
. . . Switching signal and high cut signal generation circuit, 11 . . . Audio signal delay circuit, 12 . . . High frequency attenuation circuit for audio signals, 13 .
Claims (1)
換する手段、 (b) 上記映像信号の単位フレーム当りの記憶を
行なう複数の画像メモリ、 (c) 上記Ａ／Ｄ変換された信号を上記複数の画
像メモリに択一的に書み込む第１のスイツチ手段
、 (d) 上記画像メモリに記憶された映像信号を択
一的に読み出す第２のスイツチ手段、 (e) 雑音検出回路、 (f) 該雑音検出回路によつて映像に対して雑音
が検出されたとき、その直前の画像を連続して読
み出すように上記第２のスイツチ手段を動作させ
るスイツチング信号発生部、 (g) 上記読み出された映像信号をＤ／Ａ変換す
る手段、および (h) 上記雑音検出回路によつて音声に対して雑
音が検出されたとき、一時的に高音域を減衰させ
る高音域減衰回路 を含むことを特徴とするテレビ受信装置。[Claims for Utility Model Registration] (a) A means for A/D converting the video signal sent from the receiving section; (b) a plurality of image memories for storing each unit frame of the video signal; (c) the above. (d) a first switch means for selectively writing the A/D converted signal into the plurality of image memories; (d) a second switch means for selectively reading out the video signal stored in the image memory; , (e) a noise detection circuit; (f) switching for operating the second switching means so that when noise is detected in the video by the noise detection circuit, the immediately preceding image is successively read out; a signal generator, (g) a means for D/A converting the read video signal, and (h) a means for temporarily converting the high frequency range when noise is detected in the audio by the noise detection circuit. A television receiving device comprising a high frequency attenuation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2708186U JPS62139173U (en) | 1986-02-25 | 1986-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2708186U JPS62139173U (en) | 1986-02-25 | 1986-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62139173U true JPS62139173U (en) | 1987-09-02 |
Family
ID=30828775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2708186U Pending JPS62139173U (en) | 1986-02-25 | 1986-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62139173U (en) |
-
1986
- 1986-02-25 JP JP2708186U patent/JPS62139173U/ja active Pending
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