JPH0216422U - - Google Patents
Info
- Publication number
- JPH0216422U JPH0216422U JP9685988U JP9685988U JPH0216422U JP H0216422 U JPH0216422 U JP H0216422U JP 9685988 U JP9685988 U JP 9685988U JP 9685988 U JP9685988 U JP 9685988U JP H0216422 U JPH0216422 U JP H0216422U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- air supply
- power
- power supply
- supply device
- 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 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
- Lens Barrels (AREA)
Description
第１図は本考案の一実施例のブロツク図である
。
１……電源回路、２……電源検出回路、３……
スイツチ回路、４……エアー供給装置駆動回路、
５……エアー供給装置、６……対物レンズ。
FIG. 1 is a block diagram of one embodiment of the present invention. 1...Power supply circuit, 2...Power supply detection circuit, 3...
switch circuit, 4... air supply device drive circuit,
5...Air supply device, 6...Objective lens.
Claims (1)
から所定時間経過するまでの時間エアー供給指示
信号を出力する電源検出回路と、前記電源回路か
らの電力で作動するエアー供給装置駆動回路と、
該エアー供給装置駆動回路の出力で作動しエアー
をヘツドの対物レンズに吹付けるエアー供給装置
と、前記エアー供給支持信号の期間前記電源回路
の電力を前記エアー供給装置駆動回路に供給する
スイツチ回路とを含むことを特徴とする光学式デ
イスク装置。 a power supply circuit; a power supply detection circuit that outputs an air supply instruction signal for a predetermined period of time after the power supply circuit starts supplying power; and an air supply device drive circuit that operates with power from the power supply circuit;
an air supply device that is operated by the output of the air supply device drive circuit and blows air to the objective lens of the head; and a switch circuit that supplies power from the power supply circuit to the air supply device drive circuit during the period of the air supply support signal. An optical disc device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9685988U JPH0216422U (en) | 1988-07-20 | 1988-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9685988U JPH0216422U (en) | 1988-07-20 | 1988-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216422U true JPH0216422U (en) | 1990-02-01 |
Family
ID=31321987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9685988U Pending JPH0216422U (en) | 1988-07-20 | 1988-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216422U (en) |
-
1988
- 1988-07-20 JP JP9685988U patent/JPH0216422U/ja active Pending