JPH0296662U - - Google Patents
Info
- Publication number
- JPH0296662U JPH0296662U JP207589U JP207589U JPH0296662U JP H0296662 U JPH0296662 U JP H0296662U JP 207589 U JP207589 U JP 207589U JP 207589 U JP207589 U JP 207589U JP H0296662 U JPH0296662 U JP H0296662U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- position detection
- pick
- light
- detected
- 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
- 238000001514 detection method Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000011358 absorbing material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図、第７図、第８図、第９図はこの考案の
夫々の実施例を示す斜視図、第２図は第１図の要
部正面図、第３図は第１図の要部側面図、第４図
、第５図、第６図は第１図の実施例における夫々
動作状態を示す側面図、第１０図は従来装置の斜
視図である。
１，２……ガイドレール、３……光ピツクアツ
プ、５……シヤーシ、２６……ターンテーブル、
２７……ターンテーブルモータ、２８……ピニオ
ン、２９……ラツク、１１……取付枠、１１ａ，
１１ｂ……左右片、１２，１３，１４……検出孔
、１２ａ……始端、１６……部材、１７，１８，
１９……光反射材、光吸収材、Ｅ１，Ｅ３……発
光素子、Ｅ２，Ｅ４……受光素子、ｕ……光セン
サユニツト、Ｐ……被検出部材、ＣＤ……コンパ
クトデイスク、ＣＤＶ……映像入りコンパクトデ
イスク、ＬＤ……通常径のデイスク、，
，……リードイン位置。
1, 7, 8, and 9 are perspective views showing respective embodiments of this invention, FIG. 2 is a front view of the main part of FIG. 1, and FIG. 3 is a main part of FIG. 1. FIG. 4, FIG. 5, and FIG. 6 are side views showing operating states of the embodiment of FIG. 1, respectively, and FIG. 10 is a perspective view of the conventional device. 1, 2... Guide rail, 3... Optical pickup, 5... Chassis, 26... Turntable,
27... Turntable motor, 28... Pinion, 29... Rack, 11... Mounting frame, 11a,
11b... Left and right pieces, 12, 13, 14... Detection hole, 12a... Starting end, 16... Member, 17, 18,
19...Light reflecting material, light absorbing material, E1 , E3 ...Light emitting element, E2 , E4 ...Light receiving element, u...Photo sensor unit, P...Detected member, CD...Compact disk , CDV...compact disc with video, LD...normal diameter disc,,
,...Lead-in position.
Claims (1)
ピツクアツプがターンテーブル上のデイスクに対
し所定位置に達したとき、これを検出する位置検
出装置を有しているデイスクプレーヤにおいて、 上記位置検出装置は、発光素子の発光を受光す
る受光素子からなる光センサユニツトと、上記所
定位置で受光に変化を与える被検出部材とを備え
ていることを特徴とするデイスクプレーヤのピツ
クアツプ位置検出装置。 (2) 光センサユニツトはシヤーシ側に、被検出
部材は光ピツクアツプ側に夫々設けたことを特徴
とする請求項１記載のデイスクプレーヤのピツク
アツプ位置検出装置。 (3) 光センサユニツトは光ピツクアツプ側に、
被検出部材はシヤーシ側に夫々設けたことを特徴
とする請求項１記載のデイスクプレーヤのピツク
アツプ位置検出装置。 (4) 被検出部材は、光ピツクアツプに結合され
た部材に設けた検出孔であることを特徴とする請
求項２記載のデイスクプレーヤのピツクアツプ位
置検出装置。 (5) 被検出部材は、シヤーシに結合された部材
に設けた検出孔であることを特徴とする請求項３
記載のデイスクプレーヤのピツクアツプ位置検出
装置。 (6) 被検出部材は、光ピツクアツプに結合され
た部材に設けた光反射材又は光吸収材であること
を特徴とする請求項２記載のデイスクプレーヤの
ピツクアツプ位置検出装置。 (7) 被検出部材は、シヤーシに結合された部材
に設けた光反射材又は光吸収材であることを特徴
とする請求項３記載のデイスクプレーヤのピツク
アツプ位置検出装置。[Claims for Utility Model Registration] (1) A disk player having a position detection device that detects when an optical pickup moved by a pickup moving mechanism reaches a predetermined position with respect to a disk on a turntable. In the above-mentioned position detection device, the above-mentioned position detection device is characterized in that it is equipped with an optical sensor unit consisting of a light-receiving element that receives light emitted from a light-emitting element, and a detected member that changes the light reception at the above-mentioned predetermined position. Position detection device. (2) The pickup position detection device for a disk player according to claim 1, wherein the optical sensor unit is provided on the chassis side, and the detected member is provided on the optical pickup side. (3) The optical sensor unit is placed on the optical pickup side.
2. A pick-up position detecting device for a disk player according to claim 1, wherein the detected members are respectively provided on the chassis side. (4) The pick-up position detection device for a disk player according to claim 2, wherein the detected member is a detection hole provided in a member coupled to the optical pick-up. (5) Claim 3, wherein the member to be detected is a detection hole provided in a member coupled to the chassis.
The pick-up position detection device for the disc player described above. (6) The pick-up position detection device for a disk player according to claim 2, wherein the member to be detected is a light-reflecting material or a light-absorbing material provided on a member coupled to the optical pick-up. (7) The pick-up position detection device for a disk player according to claim 3, wherein the member to be detected is a light reflecting material or a light absorbing material provided on a member coupled to the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP207589U JPH0296662U (en) | 1989-01-13 | 1989-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP207589U JPH0296662U (en) | 1989-01-13 | 1989-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0296662U true JPH0296662U (en) | 1990-08-01 |
Family
ID=31202535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP207589U Pending JPH0296662U (en) | 1989-01-13 | 1989-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0296662U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143205A (en) * | 1978-04-28 | 1979-11-08 | Pioneer Electronic Corp | Linear tracking arm position detector |
| JPS6040902A (en) * | 1983-08-15 | 1985-03-04 | Nippon Telegr & Teleph Corp <Ntt> | Head positioning mechanism |
| JPS61214229A (en) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | Information recording and reproducing device |
-
1989
- 1989-01-13 JP JP207589U patent/JPH0296662U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143205A (en) * | 1978-04-28 | 1979-11-08 | Pioneer Electronic Corp | Linear tracking arm position detector |
| JPS6040902A (en) * | 1983-08-15 | 1985-03-04 | Nippon Telegr & Teleph Corp <Ntt> | Head positioning mechanism |
| JPS61214229A (en) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | Information recording and reproducing device |
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