JPS5548807A - Information recorder - Google Patents

Information recorder

Info

Publication number
JPS5548807A
JPS5548807A JP12135578A JP12135578A JPS5548807A JP S5548807 A JPS5548807 A JP S5548807A JP 12135578 A JP12135578 A JP 12135578A JP 12135578 A JP12135578 A JP 12135578A JP S5548807 A JPS5548807 A JP S5548807A
Authority
JP
Japan
Prior art keywords
information
recording
recorder
failure
head
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
Application number
JP12135578A
Other languages
Japanese (ja)
Inventor
Yasutoshi Okuzawa
Haruo Takenaka
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP12135578A priority Critical patent/JPS5548807A/en
Publication of JPS5548807A publication Critical patent/JPS5548807A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To save the recording media by the recording of only the information at failure and its before and behind, by picking up it from the first recorder to the second recorder.
CONSTITUTION: The input information is continuously recorded on the magnetic disc 2 in revolution normally with the recording head 3, this information is reproduced with the reproducing head 4, and after that it is erased with the erase head 5. On the other hand, the amplitude of the input information is discriminated with the comparator 6, and the timer 7 starts the operation with the output of the comparator 6 at failure and the second recorder 8 records the information from the reproducing head 4. Since the recording head 3 and the reproducing head 4 are apart by a given distance, the information at normal state is recorded on the recorder 8 and the information after recovery from the failure is also recorded with the set time of the timer 7. Thus, the recording media can remarkably be saved by recording only the information at failure and its before and behind.
COPYRIGHT: (C)1980,JPO&Japio
JP12135578A 1978-10-02 1978-10-02 Information recorder Pending JPS5548807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12135578A JPS5548807A (en) 1978-10-02 1978-10-02 Information recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12135578A JPS5548807A (en) 1978-10-02 1978-10-02 Information recorder

Publications (1)

Publication Number Publication Date
JPS5548807A true JPS5548807A (en) 1980-04-08

Family

ID=14809216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12135578A Pending JPS5548807A (en) 1978-10-02 1978-10-02 Information recorder

Country Status (1)

Country Link
JP (1) JPS5548807A (en)

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