JPS62129836U - - Google Patents
Info
- Publication number
- JPS62129836U JPS62129836U JP1748986U JP1748986U JPS62129836U JP S62129836 U JPS62129836 U JP S62129836U JP 1748986 U JP1748986 U JP 1748986U JP 1748986 U JP1748986 U JP 1748986U JP S62129836 U JPS62129836 U JP S62129836U
- Authority
- JP
- Japan
- Prior art keywords
- identification signal
- broadcast waves
- 57khz
- detecting
- waves
- 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 3
- 238000010586 diagram Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
第１図および第２図はこの考案に係る電子同調
カーラジオ受信機の実施例を示すものであつて、
第１図はブロツク図、第２図は第１図の主要部の
フローチヤート図である。第３図および第４図は
従来例を示すもので、第３図はブロツク図、第４
図はＦＭステレオ放送波の周波数スペクトラム図
である。
１；チユーナ部、２；５７ＫＨｚの識別信号の
検出手段、４；中央演算処理装置（ＣＰＵ）、Ｓ
Ｗ；スイツチ手段。
1 and 2 show an embodiment of an electronically tuned car radio receiver according to this invention,
FIG. 1 is a block diagram, and FIG. 2 is a flowchart of the main parts of FIG. Figures 3 and 4 show conventional examples, with Figure 3 being a block diagram and Figure 4 being a block diagram.
The figure is a frequency spectrum diagram of FM stereo broadcast waves. 1; Tuner section, 2; 57 KHz identification signal detection means, 4; Central processing unit (CPU), S
W: Switch means.
Claims (1)
てもち、これをメインキヤリアに周波数変調とし
て送信している放送電波を受信し、前記５７ＫＨ
Ｚを識別信号として検出することにより、他の放
送電波と区別して受信できるように構成した電子
同調ラジオ受信機において、 ５７ＫＨＺの識別信号をもつ放送電波を受信す
るか否かを選択するスイツチ手段と、５７ＫＨｚ
の識別信号の有無を検出する検出手段と、５７Ｋ
ＨＺの識別信号が途絶えた際に直ちに自動探索動
作をスタートしないように一定時間直前の受信状
態を保持するタイマ手段と、検出手段の出力によ
り電子同調手段の自動探索をスタートまたはスト
ツプさせる探索制御手段とを備えたことを特徴と
する電子同調カーラジオ受信機。[Claims for Utility Model Registration] Receiving broadcast radio waves having 57KHz as a subcarrier as an identification signal and transmitting this as frequency modulation to the main carrier,
In an electronically tuned radio receiver configured to be able to receive broadcast waves separately from other broadcast waves by detecting Z as an identification signal, a switch means for selecting whether or not to receive broadcast waves having an identification signal of 57 KHZ; , 57KHz
detection means for detecting the presence or absence of an identification signal of 57K;
A timer means that maintains the previous reception state for a certain period of time so as not to immediately start the automatic search operation when the HZ identification signal is interrupted; and a search control means that starts or stops the automatic search of the electronic tuning means based on the output of the detection means. An electronically tuned car radio receiver comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1748986U JPS62129836U (en) | 1986-02-12 | 1986-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1748986U JPS62129836U (en) | 1986-02-12 | 1986-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129836U true JPS62129836U (en) | 1987-08-17 |
Family
ID=30810296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1748986U Pending JPS62129836U (en) | 1986-02-12 | 1986-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129836U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626437B2 (en) * | 1971-09-29 | 1981-06-18 | ||
| JPS5732122A (en) * | 1980-08-04 | 1982-02-20 | Mitsubishi Electric Corp | Receiver |
-
1986
- 1986-02-12 JP JP1748986U patent/JPS62129836U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626437B2 (en) * | 1971-09-29 | 1981-06-18 | ||
| JPS5732122A (en) * | 1980-08-04 | 1982-02-20 | Mitsubishi Electric Corp | Receiver |
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