JPS6448937U - - Google Patents

Info

Publication number
JPS6448937U
JPS6448937U JP14260887U JP14260887U JPS6448937U JP S6448937 U JPS6448937 U JP S6448937U JP 14260887 U JP14260887 U JP 14260887U JP 14260887 U JP14260887 U JP 14260887U JP S6448937 U JPS6448937 U JP S6448937U
Authority
JP
Japan
Prior art keywords
reception frequency
switched
tuner
frequency
preset
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
Application number
JP14260887U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14260887U priority Critical patent/JPS6448937U/ja
Publication of JPS6448937U publication Critical patent/JPS6448937U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Noise Elimination (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のブロツク図、第２図は本考案
の動作のフローチヤート図、第３図は従来のブロ
ツク図である。 第１図において、４はＳＤ信号を出力するＩＦ
回路、９はＰＬＬ、１０はカウンター、１１はメ
モリー、１２は操作部、１３はマイコン、１４は
ＯＲ回路である。 FIG. 1 is a block diagram of the present invention, FIG. 2 is a flowchart of the operation of the present invention, and FIG. 3 is a conventional block diagram. In Figure 1, 4 is an IF that outputs the SD signal.
9 is a PLL, 10 is a counter, 11 is a memory, 12 is an operating section, 13 is a microcomputer, and 14 is an OR circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 受信周波数のプリセツト釦を操作することによ
つて、受信周波数がプリセツトされた周波数に切
替えられ、かつ、受信周波数の切替時に生ずる、
切替ノイズをミユーテイングさせるように構成さ
れた電子同調式チユーナーにおいて、所定の入力
レベル以上の放送波が受信されるまでミユーテイ
ングを解除させないように構成させたことを特徴
とする電子同調式チユーナーのオートミユーテイ
ング装置。 By operating the reception frequency preset button, the reception frequency is switched to the preset frequency, and the following occurs when the reception frequency is switched.
An electronically tuned tuner configured to mute switching noise, characterized in that the tuner is configured so that the muting is not released until a broadcast wave of a predetermined input level or higher is received. Teing device.
JP14260887U 1987-09-18 1987-09-18 Pending JPS6448937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14260887U JPS6448937U (en) 1987-09-18 1987-09-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14260887U JPS6448937U (en) 1987-09-18 1987-09-18

Publications (1)

Publication Number Publication Date
JPS6448937U true JPS6448937U (en) 1989-03-27

Family

ID=31408709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14260887U Pending JPS6448937U (en) 1987-09-18 1987-09-18

Country Status (1)

Country Link
JP (1) JPS6448937U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250109A (en) * 1975-10-20 1977-04-21 Trio Kenwood Corp Muting equipment of fm receiver of synthesizer system
JPS53138624A (en) * 1977-05-11 1978-12-04 Hitachi Ltd Muting circuit
JPS5638841U (en) * 1979-09-03 1981-04-11

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250109A (en) * 1975-10-20 1977-04-21 Trio Kenwood Corp Muting equipment of fm receiver of synthesizer system
JPS53138624A (en) * 1977-05-11 1978-12-04 Hitachi Ltd Muting circuit
JPS5638841U (en) * 1979-09-03 1981-04-11

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