JPS6289838U - - Google Patents
Info
- Publication number
- JPS6289838U JPS6289838U JP17918385U JP17918385U JPS6289838U JP S6289838 U JPS6289838 U JP S6289838U JP 17918385 U JP17918385 U JP 17918385U JP 17918385 U JP17918385 U JP 17918385U JP S6289838 U JPS6289838 U JP S6289838U
- Authority
- JP
- Japan
- Prior art keywords
- tuning
- traffic information
- information station
- station identification
- identification 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 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
第１図は本考案の一実施例としての電子同調式
受信機の交通情報担当局自動選局装置を示す図、
第２図は１Ｆ検出信号の出力特性を示す図、第３
図は１Ｆ信号おＳＫ信号の応答性を示す図、第４
図は第１図装置で行われるサーチ制御手順を示す
図、第５図は従来形の電子同調式受信機の交通情
報担当局自動選局装置を示す図である。
１……アンテナ、２……フロントエンド、３…
…中間周波増幅検波回路、５……ＳＫ信号検出器
、６……制御回路。
FIG. 1 is a diagram showing an automatic tuning device for a traffic information station in an electronic tuning receiver as an embodiment of the present invention;
Figure 2 shows the output characteristics of the 1F detection signal, and Figure 3 shows the output characteristics of the 1F detection signal.
The figure shows the responsiveness of the 1F signal and the SK signal.
1 is a diagram showing a search control procedure carried out in the device shown in FIG. 1, and FIG. 5 is a diagram showing a conventional electronic tuning type receiver automatic channel selection device for traffic information. 1...Antenna, 2...Front end, 3...
...Intermediate frequency amplification and detection circuit, 5...SK signal detector, 6...control circuit.
Claims (1)
せて受信波の自動選局を行う電子同調式選局部、 該電子同調式選局部の同調出力信号から中間周
波信号を検出する中間周波信号検出部、 該同調出力信号から交通情報担当局識別信号を
検出する交通情報担当局識別信号検出部、 該中間周波信号の検出に応じて該電子同調式選
局部のサーチ速度を所定期間遅くするサーチ速度
可変部、および、 該中間周波信号が検出されかつ該交通情報担当
局識別信号が検出されたことにより該電子同調式
選局部による自動選局を停止する選局停止部、 を具備する電子同調式受信機の交通情報担当局自
動選局装置。 ２ 該サーチ速度可変部および選局停止部はマイ
クロ・コンピユータにより構成される実用新案登
録請求の範囲第１項に記載の電子同調式受信機の
交通情報担当局自動選局装置。[Claims for Utility Model Registration] 1. An electronic tuning type tuning unit that automatically tunes a received wave by sequentially changing the tuning frequency at a predetermined search speed; an intermediate frequency signal is obtained from a tuning output signal of the electronic tuning type tuning unit; a traffic information station identification signal detection unit that detects a traffic information station identification signal from the tuned output signal; and a traffic information station identification signal detection unit that detects a traffic information station identification signal from the tuned output signal; a search speed variable section that slows down the search speed by a predetermined period; and a tuning stop section that stops automatic tuning by the electronically tuned tuning section when the intermediate frequency signal is detected and the traffic information station identification signal is detected. An automatic tuning device for a traffic information station using an electronic tuning receiver. 2. The automatic tuning device for a traffic information station in an electronically tuned receiver according to claim 1, wherein the search speed variable section and the tuning stop section are configured by a microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17918385U JPS6289838U (en) | 1985-11-22 | 1985-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17918385U JPS6289838U (en) | 1985-11-22 | 1985-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6289838U true JPS6289838U (en) | 1987-06-09 |
Family
ID=31122017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17918385U Pending JPS6289838U (en) | 1985-11-22 | 1985-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289838U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56125B2 (en) * | 1976-09-27 | 1981-01-06 | ||
| JPS5626436B2 (en) * | 1978-10-04 | 1981-06-18 |
-
1985
- 1985-11-22 JP JP17918385U patent/JPS6289838U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56125B2 (en) * | 1976-09-27 | 1981-01-06 | ||
| JPS5626436B2 (en) * | 1978-10-04 | 1981-06-18 |
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