JPS63525U - - Google Patents
Info
- Publication number
- JPS63525U JPS63525U JP9373986U JP9373986U JPS63525U JP S63525 U JPS63525 U JP S63525U JP 9373986 U JP9373986 U JP 9373986U JP 9373986 U JP9373986 U JP 9373986U JP S63525 U JPS63525 U JP S63525U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- carrier
- automatic
- generation
- detection 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 10
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
第１図は本考案の一実施例を示す図、第２図は
その要部を示す図、第３図は従来例を示す図であ
る。
１０……コントローラ、１３……キヤリア検出
回路、１５……指標検出回路、１９……増幅器、
２０……利得制御回路。
FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing the main part thereof, and FIG. 3 is a diagram showing a conventional example. 10... Controller, 13... Carrier detection circuit, 15... Index detection circuit, 19... Amplifier,
20...Gain control circuit.
Claims (1)
レベル以上のキヤリア成分の存在時にキヤリア検
出信号を発生するキヤリア検出手段を具備し、自
動選局動作開始信号の発生から前記キヤリア検出
信号が発生するまで自動選局動作をなすと共に交
通情報放送局のみの選局動作を指令するための指
令信号が発生された際には、受信信号から交通情
報放送局であることを示す指標信号を検出して指
標検出信号を発生する指標検出手段からの指標検
出信号と前記キヤリア検出信号との発生により自
動選局動作を停止させるようにした受信機の自動
選局装置であつて、すくなくとも自動選局動作開
始信号の発生に応答してミユーテイング制御信号
を発生するコントローラと、このコントローラか
らのミユーテイング制御信号に基づき前記指標検
出手段の検出感度を調整する手段とを設けたこと
を特徴とする受信機の自動選局装置。 comprising carrier detection means for detecting the presence or absence of a carrier component in a received signal and generating a carrier detection signal when a carrier component of a predetermined level or higher is present, from generation of an automatic channel selection operation start signal to generation of the carrier detection signal; When an automatic channel selection operation is performed and a command signal is generated to instruct the selection operation of only a traffic information broadcasting station, an indicator signal indicating that it is a traffic information broadcasting station is detected from the received signal and an indicator is generated. An automatic tuning device for a receiver, which stops an automatic tuning operation upon generation of an index detection signal from an index detection means that generates a detection signal and the carrier detection signal, the automatic tuning device including at least an automatic tuning operation start signal. automatic channel selection for a receiver, comprising: a controller that generates a muting control signal in response to the occurrence of the mutating control signal; and a means for adjusting the detection sensitivity of the index detecting means based on the muting control signal from the controller. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9373986U JPS63525U (en) | 1986-06-19 | 1986-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9373986U JPS63525U (en) | 1986-06-19 | 1986-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63525U true JPS63525U (en) | 1988-01-05 |
Family
ID=30956568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9373986U Pending JPS63525U (en) | 1986-06-19 | 1986-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63525U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626436B2 (en) * | 1978-10-04 | 1981-06-18 | ||
| JPS57132419A (en) * | 1981-02-10 | 1982-08-16 | Pioneer Electronic Corp | Generating circuit of automatic channel selecting operation stop signal of receiver |
-
1986
- 1986-06-19 JP JP9373986U patent/JPS63525U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626436B2 (en) * | 1978-10-04 | 1981-06-18 | ||
| JPS57132419A (en) * | 1981-02-10 | 1982-08-16 | Pioneer Electronic Corp | Generating circuit of automatic channel selecting operation stop signal of receiver |
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