JPS6145766U

JPS6145766U - Disc information reproducing device

Info

Publication number: JPS6145766U
Application number: JP12698684U
Authority: JP
Inventors: 秀彰古川
Original assignee: 三菱電機株式会社
Priority date: 1984-08-23
Filing date: 1984-08-23
Publication date: 1986-03-26

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 the drawing]

第１図および第２図は従来の円盤情報再生装置を示す側
面図、第３図はこの考案による円盤情報再生装置の一実
施例を示す側面図、第４図はこの考案の一実施例におけ
る電気回路のブロック図である。図において、１は筐体、２はディスクモータ、３Ａは第
１のディスク、′３Ｂは第２のディスク、４はピックア
ップ部、５はターンテーブル、６はスピンドル、７ａと
７ｂは検知器、２０は情報信号増幅回路、２１は制御回
路、２２はスイッチ回路、２３はサーボ回路、２４はア
ナログ信号処理回路、２５はデジタル信号処理回路、２
６はスピ一カ、２７はモニターＴＶである。なお、図中、同一符号は同一又は相当部分を示す。1 and 2 are side views showing a conventional disk information reproducing device, FIG. 3 is a side view showing an embodiment of the disk information reproducing device according to the invention, and FIG. 4 is a side view showing an embodiment of the disk information reproducing device according to the invention. FIG. 2 is a block diagram of an electric circuit. In the figure, 1 is a housing, 2 is a disk motor, 3A is a first disk, '3B is a second disk, 4 is a pickup section, 5 is a turntable, 6 is a spindle, 7a and 7b are detectors, 20 21 is an information signal amplification circuit, 21 is a control circuit, 22 is a switch circuit, 23 is a servo circuit, 24 is an analog signal processing circuit, 25 is a digital signal processing circuit, 2
6 is a speaker, and 27 is a monitor TV. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

(1) In a disc information reproducing device that extracts information signals from an information recording disc and reproduces audio and images, there is a detector installed inside the disc information reproducing device to distinguish between information recording discs with different recorded contents, and this detector. an electric circuit that processes the information signal based on a detection signal from the disk information reproducing device.

(2) The detector consists of a first detector that detects the first information recording disc and a second detector that detects the second information recording disc, and the electric circuit is connected to the first detector. A practical device including a control circuit and a servo circuit that stabilize the first information recording disk and the second information recording disk at predetermined rotational speeds based on the detection signal of the detector and the detection signal of the second detector, respectively. A disc information reproducing device according to claim 1 of the patent registration claim.

(3) The disk information reproducing device according to claim 2, wherein the detector is a reflection type detector.

(4) The disc information reproducing device according to claim 2, wherein the detector is a transmission type detector.

(5) The electric circuit includes an analog signal processing circuit and a digital signal processing circuit for reproducing audio and images by processing the information signals extracted from the first information recording disk and the second information recording disk based on the control signal of the control circuit, respectively. The disc information reproducing device according to claim 2, further comprising a signal processing circuit.