JPS6418834U - - Google Patents
Info
- Publication number
- JPS6418834U JPS6418834U JP11192887U JP11192887U JPS6418834U JP S6418834 U JPS6418834 U JP S6418834U JP 11192887 U JP11192887 U JP 11192887U JP 11192887 U JP11192887 U JP 11192887U JP S6418834 U JPS6418834 U JP S6418834U
- Authority
- JP
- Japan
- Prior art keywords
- automatic
- tuning
- sweeping
- sweep
- division point
- 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
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は自動選局式受信機の全体回路図、第２図はチユ
ーニング制御部５の具体的回路図、第３図は放送
バンドの分割と数値キーとの対応関係を示す図、
第４図は飛び越し選局等におけるオートチユーニ
ング処理を示すフローチヤート、第５図はオート
チユーニング時の最良受信点を示す図である。
１…キー入力部、２…アツプキー、３…ダウン
キー、４…数値キー、５…チユーニング制御部、
８…ＰＷＭ信号変換回路、９…同調電圧発生回路
、１０…局部発振回路、１１…混合回路、１４…
中間周波増幅回路、１５…検波回路、１８…同調
検出回路、２１…制御回路、２２…同調カウンタ
、２３…立上りバツフア、２４…立下りバツフア
、２５…演算回路。
The drawings show an embodiment of the present invention, in which Fig. 1 is an overall circuit diagram of an automatic tuning receiver, Fig. 2 is a specific circuit diagram of the tuning control section 5, and Fig. 3 is a diagram showing the division of broadcast bands. A diagram showing the correspondence between and numeric keys,
FIG. 4 is a flowchart showing auto-tuning processing in interleaved channel selection, etc., and FIG. 5 is a diagram showing the best reception point during auto-tuning. 1... Key input section, 2... Up key, 3... Down key, 4... Numeric key, 5... Tuning control section,
8... PWM signal conversion circuit, 9... Tuning voltage generation circuit, 10... Local oscillation circuit, 11... Mixing circuit, 14...
Intermediate frequency amplifier circuit, 15... Detection circuit, 18... Tuning detection circuit, 21... Control circuit, 22... Tuning counter, 23... Rising buffer, 24... Falling buffer, 25... Arithmetic circuit.
Claims (1)
信を行なう同調受信手段と、 上記局部発振回路からの発振信号の出力周波数
を自動的に掃引する自動掃引手段と、 上記同調受信手段が特定の放送電波に同調した
ことを検出する同調検出手段と、 この同調検出手段の検出結果に応じて、上記自
動掃引手段の自動掃引を停止させる掃引停止手段
とを有する自動選局式受信機において、 放送バンドを複数に分割して各分割点に対する
周波数データを記憶するデータメモリと、 所望する局近傍の上記放送バンド分割点を指定
して自動掃引の開始を指示するキー操作手段と、 このキー操作手段により上記放送バンドの指定
分割点に対応する上記データメモリの記憶内容を
読出して上記自動掃引の開始データとして設定し
、自動掃 引を開始させる手段と を有することを特徴とする自動選局式受信機。[Claims for Utility Model Registration] Tuned reception means for performing tuned reception based on an oscillation signal from the local oscillation circuit; automatic sweeping means for automatically sweeping the output frequency of the oscillation signal from the local oscillation circuit; Automatic tuning comprising a tuning detecting means for detecting that the tuning receiving means has tuned to a specific broadcast radio wave, and a sweep stopping means for stopping automatic sweeping of the automatic sweeping means according to the detection result of the tuning detecting means. The receiver includes: a data memory that divides the broadcast band into a plurality of parts and stores frequency data for each division point; and a key operation means that specifies the broadcast band division point near a desired station and instructs the start of automatic sweeping. and means for reading out the stored contents of the data memory corresponding to the designated division point of the broadcasting band using the key operation means and setting it as start data for the automatic sweep, thereby starting the automatic sweep. Automatic tuning receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11192887U JPS6418834U (en) | 1987-07-23 | 1987-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11192887U JPS6418834U (en) | 1987-07-23 | 1987-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6418834U true JPS6418834U (en) | 1989-01-30 |
Family
ID=31350408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11192887U Pending JPS6418834U (en) | 1987-07-23 | 1987-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6418834U (en) |
-
1987
- 1987-07-23 JP JP11192887U patent/JPS6418834U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH044615A (en) | Radio receiver | |
| JPS6418834U (en) | ||
| JP3009044B2 (en) | Receiver scanning device | |
| JPS6112410B2 (en) | ||
| JPS6236361Y2 (en) | ||
| JPS6429920U (en) | ||
| JPH0746766B2 (en) | Radio receiver | |
| JPS54151316A (en) | Radio receiver of pll frequency synthesizer system | |
| JPS6143324Y2 (en) | ||
| JPH062341Y2 (en) | Automatic tuning receiver | |
| JPS6228098Y2 (en) | ||
| JPH0288327U (en) | ||
| JPS593616Y2 (en) | Sweep type tuning device | |
| JPS5829633Y2 (en) | Receiving machine | |
| JPS6110359Y2 (en) | ||
| JPS5832808B2 (en) | Digital channel selection device | |
| JPS609867Y2 (en) | Key input detection device | |
| JPS5829658Y2 (en) | ghost story | |
| JPS63140728U (en) | ||
| JPH026677Y2 (en) | ||
| JPS634729B2 (en) | ||
| JPH0547005B2 (en) | ||
| JPH0455003B2 (en) | ||
| JPS5927529B2 (en) | Automatic channel selection method | |
| JPS61210717A (en) | Synthesizer type tuner |