JPS50110306A - - Google Patents
Info
- Publication number
- JPS50110306A JPS50110306A JP1573574A JP1573574A JPS50110306A JP S50110306 A JPS50110306 A JP S50110306A JP 1573574 A JP1573574 A JP 1573574A JP 1573574 A JP1573574 A JP 1573574A JP S50110306 A JPS50110306 A JP S50110306A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Automatic Focus Adjustment (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1573574A JPS5760689B2 (en) | 1974-02-07 | 1974-02-07 | |
| US05/545,746 US4003059A (en) | 1974-02-07 | 1975-01-30 | Optical recorder having focus controlling means |
| DE19752505260 DE2505260C3 (en) | 1974-02-07 | 1975-02-07 | Optical device for high speed recording and reproduction of information by means of a light beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1573574A JPS5760689B2 (en) | 1974-02-07 | 1974-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50110306A true JPS50110306A (en) | 1975-08-30 |
| JPS5760689B2 JPS5760689B2 (en) | 1982-12-21 |
Family
ID=11897007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1573574A Expired JPS5760689B2 (en) | 1974-02-07 | 1974-02-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5760689B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018163598A1 (en) * | 2017-03-09 | 2018-09-13 | 三菱電機株式会社 | Wavelength-combined laser device |
| JP2023500275A (en) * | 2019-10-30 | 2023-01-05 | 華為技術有限公司 | Detection device, optical drive and detection method |
-
1974
- 1974-02-07 JP JP1573574A patent/JPS5760689B2/ja not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018163598A1 (en) * | 2017-03-09 | 2018-09-13 | 三菱電機株式会社 | Wavelength-combined laser device |
| JPWO2018163598A1 (en) * | 2017-03-09 | 2019-06-27 | 三菱電機株式会社 | Wavelength coupled laser |
| US11108214B2 (en) | 2017-03-09 | 2021-08-31 | Mitsubishi Electric Corporation | Wavelength combining laser apparatus |
| JP2023500275A (en) * | 2019-10-30 | 2023-01-05 | 華為技術有限公司 | Detection device, optical drive and detection method |
| US11887624B2 (en) | 2019-10-30 | 2024-01-30 | Huawei Technologies Co., Ltd. | Detection apparatus, optical drive, and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5760689B2 (en) | 1982-12-21 |