JPH0380527U - - Google Patents
Info
- Publication number
- JPH0380527U JPH0380527U JP13922389U JP13922389U JPH0380527U JP H0380527 U JPH0380527 U JP H0380527U JP 13922389 U JP13922389 U JP 13922389U JP 13922389 U JP13922389 U JP 13922389U JP H0380527 U JPH0380527 U JP H0380527U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- circuit board
- circuit
- light receiving
- receiving element
- 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
- Optical Head (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
のである。第１図は光ピツクアツプの回路基板に
おける各回路部間の接続関係を示す説明図である
。第２図は上記光ピツクアツプの回路基板上の構
成を示す回路図である。第３図は従来例を示すも
のであつて、光ピツクアツプの回路基板上に構成
されている各回路部間の接続関係を示す説明図で
ある。
１…レーザ系回路部、２…再生系回路部、３…
サーボ系回路部、４…レーザダイオード（レーザ
発光素子）、６…光強度検出用ＩＣ（受光素子）
、ＧＮＤ１，ＧＮＤ２，ＧＮＤ３…アースライン
（零電位供給配線パターン）である。
1 and 2 show an embodiment of the present invention. FIG. 1 is an explanatory diagram showing the connection relationship between each circuit section on a circuit board of an optical pickup. FIG. 2 is a circuit diagram showing the structure on the circuit board of the optical pickup. FIG. 3 shows a conventional example, and is an explanatory diagram showing the connection relationship between each circuit section constructed on a circuit board of an optical pickup. 1...Laser system circuit section, 2...Reproduction system circuit section, 3...
Servo system circuit section, 4... Laser diode (laser light emitting element), 6... Light intensity detection IC (light receiving element)
, GND1, GND2, GND3... are ground lines (zero potential supply wiring pattern).
Claims (1)
ザ系回路部を構成する配線パターンと、受光素子
での受光量に基づく信号処理を行うための受光素
子系回路部を構成する配線パターンとを有して成
る光ピツクアツプの回路基板において、 上記両配線パターンでの各零電位供給配線パタ
ーンが、外部との接続端に至るまで相互に分離さ
れていることを特徴とする光ピツクアツプの回路
基板。[Claims for Utility Model Registration] A wiring pattern constituting a laser system circuit for controlling energization to a laser emitting element, and a light receiving element circuit for performing signal processing based on the amount of light received by the light receiving element. A circuit board for an optical pickup comprising two wiring patterns, characterized in that each zero potential supply wiring pattern in both of the wiring patterns is separated from each other up to the connection end with the outside. Optical pickup circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13922389U JPH0380527U (en) | 1989-11-29 | 1989-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13922389U JPH0380527U (en) | 1989-11-29 | 1989-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380527U true JPH0380527U (en) | 1991-08-19 |
Family
ID=31686284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13922389U Pending JPH0380527U (en) | 1989-11-29 | 1989-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380527U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199250A (en) * | 1981-06-02 | 1982-12-07 | Nec Corp | Semiconductor integrated circuit |
| JPS58157151A (en) * | 1982-03-15 | 1983-09-19 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
| JPS6133536A (en) * | 1984-07-26 | 1986-02-17 | Toshiba Corp | Logical division system |
| JPS63237491A (en) * | 1987-03-25 | 1988-10-03 | Sony Corp | Manufacture of optical device |
| JPH01113934A (en) * | 1987-10-28 | 1989-05-02 | Mitsubishi Electric Corp | Hybrid optical element |
-
1989
- 1989-11-29 JP JP13922389U patent/JPH0380527U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199250A (en) * | 1981-06-02 | 1982-12-07 | Nec Corp | Semiconductor integrated circuit |
| JPS58157151A (en) * | 1982-03-15 | 1983-09-19 | Mitsubishi Electric Corp | Semiconductor integrated circuit device |
| JPS6133536A (en) * | 1984-07-26 | 1986-02-17 | Toshiba Corp | Logical division system |
| JPS63237491A (en) * | 1987-03-25 | 1988-10-03 | Sony Corp | Manufacture of optical device |
| JPH01113934A (en) * | 1987-10-28 | 1989-05-02 | Mitsubishi Electric Corp | Hybrid optical element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0380527U (en) | ||
| JPS6354106U (en) | ||
| JPH0416696U (en) | ||
| JPS6098123U (en) | optical pickup device | |
| JPH0375402U (en) | ||
| JPS6077030U (en) | light pick up | |
| JPS6368220U (en) | ||
| JPH0193831U (en) | ||
| JPH02106870U (en) | ||
| JPH03130168U (en) | ||
| JPS59121917U (en) | gain adjustment circuit | |
| JPS6183120U (en) | ||
| JPS6157313U (en) | ||
| JPH0410422U (en) | ||
| JPH0249144U (en) | ||
| JPS63114060U (en) | ||
| JPS63182555U (en) | ||
| JPS6420341U (en) | ||
| JPH01176805U (en) | ||
| JPH0480086U (en) | ||
| JPH0246924U (en) | ||
| JPH03122544U (en) | ||
| JPH0327166U (en) | ||
| JPS618814U (en) | optical encoder | |
| JPS59120499U (en) | lighting equipment |