JPS58101328U - optical information reader - Google Patents
optical information readerInfo
- Publication number
- JPS58101328U JPS58101328U JP19340681U JP19340681U JPS58101328U JP S58101328 U JPS58101328 U JP S58101328U JP 19340681 U JP19340681 U JP 19340681U JP 19340681 U JP19340681 U JP 19340681U JP S58101328 U JPS58101328 U JP S58101328U
- Authority
- JP
- Japan
- Prior art keywords
- optical information
- data carrier
- objective lens
- reading device
- mirror
- 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
Links
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Recording Or Reproduction (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
第１図は従来の光学式情報読み取り装置の例を示す構成
図、第２図は本考案光学式情報読み取り装置の一実施例
を示す構成図、第３図は本考案の一実施例の説明に供す
る線図である。
１、はレーザ、２はビームスプリッタ、４は対物レンズ
、４ａは対物レンズの光軸、４ｂは対物レンズの光軸に
直交し対物レンズの焦点ｆを通る直線、５は光学式ビデ
オディスク、６は検出器、７はガルバノミラ−１７ａは
リニアモータ、Ａは回転中心、ｆは対物レンズの一方の
焦点である。Fig. 1 is a block diagram showing an example of a conventional optical information reading device, Fig. 2 is a block diagram showing an embodiment of the optical information reading device of the present invention, and Fig. 3 is an explanation of an embodiment of the present invention. FIG. 1 is a laser, 2 is a beam splitter, 4 is an objective lens, 4a is an optical axis of the objective lens, 4b is a straight line that is orthogonal to the optical axis of the objective lens and passes through the focal point f of the objective lens, 5 is an optical video disc, 6 7 is a detector, 7 is a galvano mirror, 17a is a linear motor, A is a center of rotation, and f is one focal point of an objective lens.
Claims (1)
を読み取る光学式情報読み取り装置において、対物レン
ズの上記移動データキャリアと反対側の焦点を通り該対
物レンズの光軸に直交する直線と、光源よりの光を反射
して上記移動データキャリアの反射面にガルバノミラ−
の鏡面を延長して得られる直線との交点を中心として上
記ガルバノミラ−を位置補正信号に応じて移動する様に
したことを特徴とする光学式情報読み取り装置。In an optical information reading device that reads information with a light beam focused on the reflective surface of a moving data carrier, a straight line passing through the focal point of the objective lens on the opposite side of the moving data carrier and perpendicular to the optical axis of the objective lens, and a line from the light source. A galvanometer mirror is applied to the reflective surface of the mobile data carrier to reflect the light.
An optical information reading device characterized in that the galvanomirror is moved in response to a position correction signal around a point of intersection with a straight line obtained by extending a mirror surface of the galvano mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19340681U JPS58101328U (en) | 1981-12-28 | 1981-12-28 | optical information reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19340681U JPS58101328U (en) | 1981-12-28 | 1981-12-28 | optical information reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58101328U true JPS58101328U (en) | 1983-07-09 |
Family
ID=30106761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19340681U Pending JPS58101328U (en) | 1981-12-28 | 1981-12-28 | optical information reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58101328U (en) |
-
1981
- 1981-12-28 JP JP19340681U patent/JPS58101328U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58101328U (en) | optical information reader | |
| JPS59125727U (en) | Optical information pickup device | |
| JPS5869817U (en) | optical device | |
| JPS6054226U (en) | Magneto-optical pickup device | |
| JPS59112326U (en) | optical head | |
| JPS6077021U (en) | Magneto-optical pickup device | |
| JPS59173131U (en) | Optical pickup optical system | |
| JPS60178817U (en) | polygon mirror | |
| JPS6034659U (en) | optical reader | |
| JPS6026620U (en) | Optical pick-up device | |
| JPS603923U (en) | Beam spot detection device | |
| JPS59157224U (en) | Irradiation beam control device | |
| JPS5890536U (en) | automatic focus adjustment device | |
| JPS6148428U (en) | ||
| JPS60127630U (en) | Recorded information reproducing device | |
| JPS59161520U (en) | Photodetector for optical information detection | |
| JPS5814234U (en) | Optical pickup device | |
| JPS59114512U (en) | Focus position movable laser beam telescope | |
| JPS5815253U (en) | Manual scanning optical reader | |
| JPS6096626U (en) | Film image reading and recording device | |
| JPS5963825U (en) | Optical information reading device | |
| JPH03268239A (en) | Optical disk reader | |
| JPS58141434U (en) | Focus error detection device | |
| JPS6077022U (en) | Focus error detection device | |
| JPS60183918U (en) | disk player |