JPH0253639U - - Google Patents
Info
- Publication number
- JPH0253639U JPH0253639U JP1988131482U JP13148288U JPH0253639U JP H0253639 U JPH0253639 U JP H0253639U JP 1988131482 U JP1988131482 U JP 1988131482U JP 13148288 U JP13148288 U JP 13148288U JP H0253639 U JPH0253639 U JP H0253639U
- Authority
- JP
- Japan
- Prior art keywords
- agc voltage
- display
- level
- signal
- input signal
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Circuits Of Receivers In General (AREA)
Description
第１図は本考案の第１実施例のブロツク回路図
である。第２図は本考案の第２実施例のブロツク
回路図であり、第３図はその表示形態を示す図で
ある。第４図は従来例のブロツク回路図である。
６……第２中間周波増幅回路（ＡＧＣ電圧発生
手段）、６′……ＡＧＣ電圧発生回路、１３……
判定回路、１６……マイクロコンピユータ、１８
……ラツチ回路、２１……管面表示制御回路、２
２……ブラウン管、２３……ＰＣＭデコーダ、２
４……マイクロコンピユータ、２７……オンスク
リーン表示用ＩＣ。
FIG. 1 is a block circuit diagram of a first embodiment of the present invention. FIG. 2 is a block circuit diagram of a second embodiment of the present invention, and FIG. 3 is a diagram showing its display form. FIG. 4 is a block circuit diagram of a conventional example. 6... Second intermediate frequency amplification circuit (AGC voltage generation means), 6'... AGC voltage generation circuit, 13...
Judgment circuit, 16...Microcomputer, 18
... Latch circuit, 21 ... Screen display control circuit, 2
2... Braun tube, 23... PCM decoder, 2
4... Microcomputer, 27... On-screen display IC.
Claims (1)
するＡＧＣ電圧発生手段と、入力信号中の映像信
号の有無を判定する判定回路と、該判定回路によ
つて映像信号が無いと判定された場合の判定出力
によつて前記ＡＧＣ電圧をラツチするラツチ回路
と、前記ラツチされたＡＧＣ電圧を基準にして前
記ＡＧＣ電圧発生手段からのＡＧＣ電圧に基づい
た表示を表示手段に行わせる表示制御回路と、か
ら成るＢＳアンテナ入力レベル表示装置。 (2) 入力信号レベルに応じたＡＧＣ電圧を発生
するＡＧＣ電圧発生手段と、入力信号から得られ
たＰＣＭデータが正常でない場合に同期はずれ信
号を出力する同期はずれ信号発生手段と、前記Ａ
ＧＣ電圧に基づいた入力信号レベル表示を行うた
めの表示手段と、前記同期はずれ信号が出力され
たとき表示レベルを所定の小さな値又は量になし
同期はずれ信号が解除された場合にその解除され
た時点のＡＧＣ電圧を基準にしてＡＧＣ電圧に基
づいた表示を行わせる表示制御手段と、から成る
ＢＳアンテナ入力レベル表示装置。[Claims for Utility Model Registration] (1) AGC voltage generation means that generates an AGC voltage according to the input signal level; a determination circuit that determines the presence or absence of a video signal in the input signal; A latch circuit that latches the AGC voltage according to a determination output when it is determined that there is no signal; and a display means that displays a display based on the AGC voltage from the AGC voltage generation means with the latched AGC voltage as a reference. A BS antenna input level display device comprising: a display control circuit for controlling a signal; (2) AGC voltage generation means for generating an AGC voltage according to the input signal level; an out-of-synchronization signal generation means for outputting an out-of-synchronization signal when the PCM data obtained from the input signal is not normal;
A display means for displaying an input signal level based on a GC voltage, and a display means for setting the display level to a predetermined small value or amount when the out-of-synchronization signal is output, and setting the display level to a predetermined small value or amount when the out-of-synchronization signal is released. A BS antenna input level display device comprising: display control means for performing a display based on the AGC voltage with the current AGC voltage as a reference;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131482U JPH0644189Y2 (en) | 1988-10-07 | 1988-10-07 | BS antenna input level display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988131482U JPH0644189Y2 (en) | 1988-10-07 | 1988-10-07 | BS antenna input level display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0253639U true JPH0253639U (en) | 1990-04-18 |
| JPH0644189Y2 JPH0644189Y2 (en) | 1994-11-14 |
Family
ID=31387594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988131482U Expired - Lifetime JPH0644189Y2 (en) | 1988-10-07 | 1988-10-07 | BS antenna input level display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0644189Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6229223A (en) * | 1985-07-29 | 1987-02-07 | Sony Corp | Receiver |
-
1988
- 1988-10-07 JP JP1988131482U patent/JPH0644189Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6229223A (en) * | 1985-07-29 | 1987-02-07 | Sony Corp | Receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0644189Y2 (en) | 1994-11-14 |
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