JPS58101358U - Optical information reading device - Google Patents

Optical information reading device

Info

Publication number
JPS58101358U
JPS58101358U JP1981194800U JP19480081U JPS58101358U JP S58101358 U JPS58101358 U JP S58101358U JP 1981194800 U JP1981194800 U JP 1981194800U JP 19480081 U JP19480081 U JP 19480081U JP S58101358 U JPS58101358 U JP S58101358U
Authority
JP
Japan
Prior art keywords
reading device
disk
information reading
optical information
variable resistor
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
JP1981194800U
Other languages
Japanese (ja)
Inventor
荻窪　勝
Original Assignee
日本圧電気株式会社
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 日本圧電気株式会社 filed Critical 日本圧電気株式会社
Priority to JP1981194800U priority Critical patent/JPS58101358U/en
Publication of JPS58101358U publication Critical patent/JPS58101358U/en
Pending legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
  • Control Of Electric Motors In General (AREA)

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]

第１図は本考案の一実施例を一部切欠いて示した正面図
、第２図はディスクの平面図、第３図はモーターの回転
数とディスクの半径との関係を示すグラフ、第４図はモ
ーター速度制御回路の一例を示す回路図である。 １・・・・・・移動装置、２・・・・・・モーター、４
・・・・・・読取装置、５・・・・・・接触子、６・・
・・・・抵抗体、７・・・・・・ディスク、Ａ・・・・
・・演算増幅器。Fig. 1 is a partially cutaway front view of an embodiment of the present invention, Fig. 2 is a plan view of the disk, Fig. 3 is a graph showing the relationship between the rotation speed of the motor and the radius of the disk, and Fig. 4 is a partially cutaway front view of an embodiment of the present invention. The figure is a circuit diagram showing an example of a motor speed control circuit. 1...Moving device, 2...Motor, 4
...Reading device, 5...Contactor, 6...
...Resistor, 7...Disc, A...
...Operation amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転体となるディスクに光学式に情報信号を記録したも
のの情報読取装置において、読取装置を前記ディスクの
半径方向に移動自在に設けると共に、該読取装置の移動
量に比例して抵抗値が変化する可変抵抗器を設け、該可
変抵抗器を前記ディスクを回転させる制御回路に接続し
て、前記ディスクの回転速度を前記可変抵抗器の抵抗値
変化に関連させて制御するよ、う構成したことを特徴と
する光学式情報読取装置。In an information reading device in which information signals are optically recorded on a rotating disk, a reading device is provided so as to be movable in the radial direction of the disk, and the resistance value changes in proportion to the amount of movement of the reading device. A variable resistor is provided, the variable resistor is connected to a control circuit for rotating the disk, and the rotation speed of the disk is controlled in relation to a change in the resistance value of the variable resistor. Characteristic optical information reading device.
JP1981194800U 1981-12-29 1981-12-29 Optical information reading device Pending JPS58101358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981194800U JPS58101358U (en) 1981-12-29 1981-12-29 Optical information reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981194800U JPS58101358U (en) 1981-12-29 1981-12-29 Optical information reading device

Publications (1)

Publication Number Publication Date
JPS58101358U true JPS58101358U (en) 1983-07-09

Family

ID=30108104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981194800U Pending JPS58101358U (en) 1981-12-29 1981-12-29 Optical information reading device

Country Status (1)

Country Link
JP (1) JPS58101358U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911925A (en) * 1972-05-15 1974-02-01
JPS4984623A (en) * 1972-11-29 1974-08-14
JPS55101162A (en) * 1978-11-16 1980-08-01 Mca Disco Vision Device for rotating information stored disk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911925A (en) * 1972-05-15 1974-02-01
JPS4984623A (en) * 1972-11-29 1974-08-14
JPS55101162A (en) * 1978-11-16 1980-08-01 Mca Disco Vision Device for rotating information stored disk

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