JPS5299802A - Automatic focusing device for electronic beam recording apparatus - Google Patents

Automatic focusing device for electronic beam recording apparatus

Info

Publication number
JPS5299802A
JPS5299802A JP1631776A JP1631776A JPS5299802A JP S5299802 A JPS5299802 A JP S5299802A JP 1631776 A JP1631776 A JP 1631776A JP 1631776 A JP1631776 A JP 1631776A JP S5299802 A JPS5299802 A JP S5299802A
Authority
JP
Japan
Prior art keywords
automatic focusing
recording apparatus
focusing device
electronic beam
beam recording
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.)
Granted
Application number
JP1631776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS574017B2 (enrdf_load_html_response
Inventor
Kanji Kayanuma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP1631776A priority Critical patent/JPS5299802A/ja
Publication of JPS5299802A publication Critical patent/JPS5299802A/ja
Publication of JPS574017B2 publication Critical patent/JPS574017B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP1631776A 1976-02-17 1976-02-17 Automatic focusing device for electronic beam recording apparatus Granted JPS5299802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1631776A JPS5299802A (en) 1976-02-17 1976-02-17 Automatic focusing device for electronic beam recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1631776A JPS5299802A (en) 1976-02-17 1976-02-17 Automatic focusing device for electronic beam recording apparatus

Publications (2)

Publication Number Publication Date
JPS5299802A true JPS5299802A (en) 1977-08-22
JPS574017B2 JPS574017B2 (enrdf_load_html_response) 1982-01-23

Family

ID=11913115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1631776A Granted JPS5299802A (en) 1976-02-17 1976-02-17 Automatic focusing device for electronic beam recording apparatus

Country Status (1)

Country Link
JP (1) JPS5299802A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS574017B2 (enrdf_load_html_response) 1982-01-23

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