JPS524111A - Optical record and reproduction system of signal - Google Patents
Optical record and reproduction system of signalInfo
- Publication number
- JPS524111A JPS524111A JP50023054A JP2305475A JPS524111A JP S524111 A JPS524111 A JP S524111A JP 50023054 A JP50023054 A JP 50023054A JP 2305475 A JP2305475 A JP 2305475A JP S524111 A JPS524111 A JP S524111A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- reproduction system
- optical record
- record
- changing
- 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 Recording Or Reproduction (AREA)
Abstract
PURPOSE: To always ensure a desired focusing state by changing the lens positioning system at the time of optical medium-record of the video signal, etc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50023054A JPS524111A (en) | 1975-02-25 | 1975-02-25 | Optical record and reproduction system of signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50023054A JPS524111A (en) | 1975-02-25 | 1975-02-25 | Optical record and reproduction system of signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS524111A true JPS524111A (en) | 1977-01-13 |
Family
ID=12099719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50023054A Pending JPS524111A (en) | 1975-02-25 | 1975-02-25 | Optical record and reproduction system of signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS524111A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116611U (en) * | 1979-02-14 | 1980-08-18 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5019408A (en) * | 1973-06-20 | 1975-02-28 |
-
1975
- 1975-02-25 JP JP50023054A patent/JPS524111A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5019408A (en) * | 1973-06-20 | 1975-02-28 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55116611U (en) * | 1979-02-14 | 1980-08-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5426721A (en) | Trimming information recording camera | |
JPS53149319A (en) | Lens system changeover type camera | |
JPS51151150A (en) | Optical record reproducing reproducer in signal | |
JPS5280802A (en) | Optical type information recording and reproduction apparatus | |
JPS5277516A (en) | Record/reproduction system for tv camera signal | |
JPS524111A (en) | Optical record and reproduction system of signal | |
JPS5219524A (en) | Telephoto lens | |
JPS525520A (en) | Ophthalmo funduscopic camera | |
JPS5240148A (en) | Objective lens system for reproducing video disc | |
JPS5213316A (en) | Single lens reflex camera with data recording device | |
JPS5240912A (en) | Disk-type magnetic record reproduction equipment | |
JPS53129604A (en) | Optical recorder-reproducer | |
JPS51127728A (en) | Sound movie camera | |
JPS51120118A (en) | Stationary picture recording reproducing device | |
JPS51135533A (en) | Sound recording device of sound movie camera | |
JPS5227314A (en) | Record reproduction unit | |
JPS51151111A (en) | Reproducer | |
JPS531003A (en) | Self-focusing system | |
JPS52127327A (en) | Foucsing lens system | |
JPS5213319A (en) | Single lens reflex camera with date recording device | |
JPS5245907A (en) | Automatic optical path adjusting device | |
JPS5320A (en) | Optical information reproducer | |
JPS5333611A (en) | Processing circuit for video signal | |
JPS5247631A (en) | Recording device of laser information | |
JPS529426A (en) | Zoom focusing device for the zoom lens mounting barrel |