JPS60194795U

JPS60194795U - Cassette tape recorder device

Info

Publication number: JPS60194795U
Application number: JP8064084U
Authority: JP
Inventors: 清二富田; 聡大岡
Original assignee: 株式会社東芝
Priority date: 1984-05-31
Filing date: 1984-05-31
Publication date: 1985-12-25

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

[Brief explanation of drawings]

第１図はこの考案に係るカセットテープレコーダ装置の
一実施例を示す平面図、第２図及び第３図はそれぞれ同
実施例の連層検出用スライダ及びカセットホルダーを説
明するための斜視図及び側面図、第４図は同実施例の基
本的動作を説明するための平面図、第５図及び第６図は
それぞれ同実施例の速度検出器の詳細を示す側断面図及
び分解斜視図、第７図は同実施例のリールモータ回転速
度制御手段を示すブロック構成図、第８図は第７図に示
すブロック構成図を一部変形して示すブロック構成図、
第９図及び第１０図はそれぞれ同実施例の速度検出用ス
ライダ及びカセットホルダーを一部変形して示す斜視図
及び側面図、第１１図／は同実施例の速度検出器を一部
変形して示す平面図である。１１・・・メインシャーシ、１２・・・ヘッドシャーシ
、１３・・・速度検出用スライダミ　１４・・・速度検
出器、１５・・・カセットホルダー、１６・・・テープ
カセット、１７，１８・・・リール、１９・・・リール
モー　　　　、夕、２０・・・中継レバー、２１・・・
中継アイドラ、２２・・・増幅回路、２３・・・ディス
クリミネータ、２４　“・・・ローパスフィルタ、２５
・・・遮断スイッチ、２６・・・比較回路、２７・・・
基準電圧発生回路、２８・・・増　　゛幅回路、２９・
・・ドライブ回路、３０・・・極性反転回路、３１・・
・整流回路、３２・・・積分回路、３−３・・・スイッ
チ回路、３４．３５・・・基準電圧発生回路、３６・・
・切換回路、３７・・・イジェクトレバー、３８・・・
　　　〜電池。第１図 ’　　　　　−１４ａｉ４．−　　　−−−（ｂ） □二二１４ｂ　　　　　　１４ｂ　　　　　　１４ｂｂ】FIG. 1 is a plan view showing an embodiment of a cassette tape recorder device according to the invention, and FIGS. 2 and 3 are perspective views and illustrating a multi-layer detection slider and a cassette holder of the same embodiment, respectively. A side view, FIG. 4 is a plan view for explaining the basic operation of the same embodiment, and FIGS. 5 and 6 are a side sectional view and an exploded perspective view showing details of the speed detector of the same embodiment, respectively. FIG. 7 is a block diagram showing the reel motor rotational speed control means of the same embodiment; FIG. 8 is a block diagram showing a partially modified version of the block diagram shown in FIG. 7;
9 and 10 are a perspective view and a side view, respectively, showing a partially modified speed detection slider and cassette holder of the same embodiment, and FIG. 11/ is a partially modified speed detector of the same embodiment. FIG. DESCRIPTION OF SYMBOLS 11... Main chassis, 12... Head chassis, 13... Slider dummy for speed detection 14... Speed detector, 15... Cassette holder, 16... Tape cassette, 17, 18... Reel, 19... Reel mo, evening, 20... Relay lever, 21...
Relay idler, 22... Amplifier circuit, 23... Discriminator, 24 "... Low pass filter, 25
... Cutoff switch, 26... Comparison circuit, 27...
Reference voltage generation circuit, 28... Amplification circuit, 29.
...Drive circuit, 30...Polarity inversion circuit, 31...
- Rectifier circuit, 32... Integrating circuit, 3-3... Switch circuit, 34.35... Reference voltage generation circuit, 36...
・Switching circuit, 37... Eject lever, 38...
~battery. Figure 1'-14ai4. - ---(b) □2214b 14b 14bb]

Claims

[Scope of utility model registration request]

A motor for running the tape, a driving means for running the cassette tape in forward and reverse directions by reversing the rotational direction of the motor, and a tape cassette formed on both sides of a through hole formed in the center of the tape cassette. speed detection means for detecting the running speed of the cassette tape through one of the pair of through holes; A control means for controlling the speed to be constant, a tape end detection means for detecting that the cassette tape has reached the end, and a rotation direction of the motor is reversed based on a detection signal from the tape end detection means. a switching means for switching the running direction of the cassette tape, the tape cassette having a front surface of the other of the pair of through holes formed on both sides of the through hole formed in the center of the tape cassette; A cassette tape recorder device, characterized in that a battery is housed in the cassette tape recorder device.