JPS5890541U - cassette tape recorder - Google Patents

cassette tape recorder

Info

Publication number
JPS5890541U
JPS5890541U JP18644381U JP18644381U JPS5890541U JP S5890541 U JPS5890541 U JP S5890541U JP 18644381 U JP18644381 U JP 18644381U JP 18644381 U JP18644381 U JP 18644381U JP S5890541 U JPS5890541 U JP S5890541U
Authority
JP
Japan
Prior art keywords
tape
light
shield plate
tape recorder
cassette tape
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
JP18644381U
Other languages
Japanese (ja)
Inventor
晃義 大槻
中條　博則
佐藤　敬之介
林　久夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 by Toshiba Corp filed Critical Toshiba Corp
Priority to JP18644381U priority Critical patent/JPS5890541U/en
Publication of JPS5890541U publication Critical patent/JPS5890541U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図はこの考案に係るカセットテープレコーダの一実施例
を示す要部の回路構成図である。 １１・・・カセットテープレコーダ、１１１・・・シー
ルド板、１２・・・ヘッド、１３・・・光源、１４・・
・受光素子、１５・・・検出回路、Ｑ□・・・スイッナ
ングトランジスタ、１６・・・再生増幅器、１６１・・
・イコライザ回路、Ｒ１，Ｒ２・・・抵抗、Ｃ□、　Ｃ
２，Ｃ３・・・コンデンサ。The figure is a circuit configuration diagram of essential parts showing an embodiment of a cassette tape recorder according to this invention. DESCRIPTION OF SYMBOLS 11... Cassette tape recorder, 111... Shield plate, 12... Head, 13... Light source, 14...
・Photodetector, 15...Detection circuit, Q□...Switching transistor, 16...Regenerative amplifier, 161...
・Equalizer circuit, R1, R2...resistance, C□, C
2, C3... Capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テープ種別に応じてヘッド挿入部に備えられるシールド
板の光反射率を異ならせたテープカセットと、このテー
プカセットのシールド板に光を照射する光源ならびにシ
ールド板からの反射光を受光する受光素子と、この受光
素子からの出力の強弱を検出する検出回路と、この検出
回路からの検出出力に基いてテープ特性を切換える切換
手段とを具備してなることを特徴とするカセットテープ
レコーダ。A tape cassette in which the light reflectance of a shield plate provided in a head insertion portion is varied depending on the type of tape, a light source that irradiates light to the shield plate of this tape cassette, and a light receiving element that receives reflected light from the shield plate. A cassette tape recorder comprising: a detection circuit for detecting the strength of the output from the light receiving element; and a switching means for switching tape characteristics based on the detection output from the detection circuit.
JP18644381U 1981-12-15 1981-12-15 cassette tape recorder Pending JPS5890541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18644381U JPS5890541U (en) 1981-12-15 1981-12-15 cassette tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18644381U JPS5890541U (en) 1981-12-15 1981-12-15 cassette tape recorder

Publications (1)

Publication Number Publication Date
JPS5890541U true JPS5890541U (en) 1983-06-18

Family

ID=29988389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18644381U Pending JPS5890541U (en) 1981-12-15 1981-12-15 cassette tape recorder

Country Status (1)

Country Link
JP (1) JPS5890541U (en)

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