JPS6043079U - TV and FM broadcast receiver - Google Patents
TV and FM broadcast receiverInfo
- Publication number
- JPS6043079U JPS6043079U JP1983134819U JP13481983U JPS6043079U JP S6043079 U JPS6043079 U JP S6043079U JP 1983134819 U JP1983134819 U JP 1983134819U JP 13481983 U JP13481983 U JP 13481983U JP S6043079 U JPS6043079 U JP S6043079U
- Authority
- JP
- Japan
- Prior art keywords
- broadcast
- broadcast receiver
- reception
- demodulator
- broadcast reception
- 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
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Television Receiver Circuits (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ＴＶ放送およびＦＭ放送の受信バッド゛
を示す周波数配置図、第２図はＦＭ変調度を示すスペク
トラム図、第３図はＦＭ復調器の特性図、第４図は従来
の受信機の構成を示すブロック回路図、第５図はキー命
令と伝送コードの対応図、第６図はＦＭチューナの回路
図、第７図はＴＶチューナの回路構成を示すブロック回
路図、第８図は本案の一実施例受信機の構成を示すブロ
ック回路図、第９図は本案要部の回路例を示すブロック
回路図、第１０図は本案の他の実施例受信機の構成を示
すブロック回路図である。
（２９・・・コンパレータ２９．２６・・・初期音量調
整回路２６．７・・・音量調整回路、３０・・・波形整
形回路、３１・・・カウンタ、３２・・・クロック発振
器）利得調整器。
１ｎ７’９６１００４２ − １＋１１匝仲→顯廿
５ ６ ７ ８９
５ 〆 ダ く
〈 ぐノ −ジ
２″′ 第５図Figure 1 shows the reception bad of TV broadcasting and FM broadcasting.
Fig. 2 is a spectrum diagram showing the FM modulation degree, Fig. 3 is a characteristic diagram of the FM demodulator, Fig. 4 is a block circuit diagram showing the configuration of a conventional receiver, and Fig. 5 is a key diagram. Correspondence diagram between commands and transmission codes, Figure 6 is a circuit diagram of an FM tuner, Figure 7 is a block circuit diagram showing the circuit configuration of a TV tuner, and Figure 8 is a block circuit diagram showing the configuration of a receiver according to an embodiment of the present invention. 9 is a block circuit diagram showing an example of the circuit of the main part of the present invention, and FIG. 10 is a block circuit diagram showing the configuration of a receiver according to another embodiment of the present invention. (29... Comparator 29. 26... Initial volume adjustment circuit 26.7... Volume adjustment circuit, 30... Waveform shaping circuit, 31... Counter, 32... Clock oscillator) Gain adjuster . 1n7'9610042 - 1+11 匝中→顯廿5 6 7 89 5 〆 田 く
〈 Gunoji 2''' Figure 5
Claims (1)
ことによりＦＭ放送受信かＴＶ放送受信かを弁別し、
この弁別出力に応じて両放送の変調度の相違に比例した
異なる復調出力レベルをいずれの放送の受信状態であっ
ても常に所定の一定レベルに制御する利得調整器を復調
器の後段に設けてなることを特徴としたＴＶおよびＦＭ
放送受信機。Monitor the tuning frequency or local oscillation frequency
Distinguish between FM broadcast reception or TV broadcast reception by
A gain adjuster is provided at the subsequent stage of the demodulator to control different demodulation output levels proportional to the difference in the modulation degree of both broadcasts to a predetermined constant level regardless of the reception state of either broadcast according to this discrimination output. TV and FM featuring
Broadcast receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983134819U JPS6043079U (en) | 1983-08-30 | 1983-08-30 | TV and FM broadcast receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983134819U JPS6043079U (en) | 1983-08-30 | 1983-08-30 | TV and FM broadcast receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6043079U true JPS6043079U (en) | 1985-03-26 |
| JPH024543Y2 JPH024543Y2 (en) | 1990-02-02 |
Family
ID=30303667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983134819U Granted JPS6043079U (en) | 1983-08-30 | 1983-08-30 | TV and FM broadcast receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6043079U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53146314U (en) * | 1977-04-25 | 1978-11-17 | ||
| JPS5639772U (en) * | 1979-08-31 | 1981-04-14 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154686A (en) * | 1974-11-07 | 1976-05-13 | Nippon Catalytic Chem Ind | JUSHIJOSOSEIBUTSU |
-
1983
- 1983-08-30 JP JP1983134819U patent/JPS6043079U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53146314U (en) * | 1977-04-25 | 1978-11-17 | ||
| JPS5639772U (en) * | 1979-08-31 | 1981-04-14 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH024543Y2 (en) | 1990-02-02 |
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