JPS6443844A - System for retrieving data - Google Patents

System for retrieving data

Info

Publication number
JPS6443844A
JPS6443844A JP19916687A JP19916687A JPS6443844A JP S6443844 A JPS6443844 A JP S6443844A JP 19916687 A JP19916687 A JP 19916687A JP 19916687 A JP19916687 A JP 19916687A JP S6443844 A JPS6443844 A JP S6443844A
Authority
JP
Japan
Prior art keywords
data
recorded
track
block
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
JP19916687A
Other languages
Japanese (ja)
Other versions
JPH0787004B2 (en
Inventor
Yutaka Ogasawara
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP62199166A priority Critical patent/JPH0787004B2/en
Priority to US07/225,825 priority patent/US4982074A/en
Priority to DE8888307045T priority patent/DE3871281D1/en
Priority to CA000573472A priority patent/CA1313710C/en
Priority to EP88307045A priority patent/EP0303377B1/en
Publication of JPS6443844A publication Critical patent/JPS6443844A/en
Publication of JPH0787004B2 publication Critical patent/JPH0787004B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To detect a last position without an END mark by deciding that a block to record the data is a final recording block when the block continues in which the prescribed number of data is not continuously recorded. CONSTITUTION:A directory area 11b is the area to record the main data contents of the directory, for example, a file name, a date, a file size, etc. For an EOT address area 11, the track number of a final recording track EOT of a main data storing part at the time of recording the directory is recorded. When for example, data of five tracks are not recorded continuously in the track where the data are to be recorded, the track is made into an EOT. Consequently, without recording the data to show a final position like an END mark, the final position of the recorded block can be detected.
JP62199166A 1987-08-11 1987-08-11 Data recording method Expired - Fee Related JPH0787004B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP62199166A JPH0787004B2 (en) 1987-08-11 1987-08-11 Data recording method
US07/225,825 US4982074A (en) 1987-08-11 1988-07-29 Method of recording position information of last track recorded with data in directory area
DE8888307045T DE3871281D1 (en) 1987-08-11 1988-07-29 METHOD FOR RECORDING POSITION INFORMATION OF THE LAST TRACK OF DATA IN A LEADING AREA.
CA000573472A CA1313710C (en) 1987-08-11 1988-07-29 Method of recording position information of last track recorded with data in directory area
EP88307045A EP0303377B1 (en) 1987-08-11 1988-07-29 Method of recording position information of last track recorded with data in directory area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62199166A JPH0787004B2 (en) 1987-08-11 1987-08-11 Data recording method

Publications (2)

Publication Number Publication Date
JPS6443844A true JPS6443844A (en) 1989-02-16
JPH0787004B2 JPH0787004B2 (en) 1995-09-20

Family

ID=16403257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62199166A Expired - Fee Related JPH0787004B2 (en) 1987-08-11 1987-08-11 Data recording method

Country Status (1)

Country Link
JP (1) JPH0787004B2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224027A (en) * 1975-08-19 1977-02-23 Matsushita Electric Ind Co Ltd Record regenerator
JPS57150169A (en) * 1981-03-11 1982-09-16 Matsushita Electric Ind Co Ltd Recorder and reproducer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224027A (en) * 1975-08-19 1977-02-23 Matsushita Electric Ind Co Ltd Record regenerator
JPS57150169A (en) * 1981-03-11 1982-09-16 Matsushita Electric Ind Co Ltd Recorder and reproducer

Also Published As

Publication number Publication date
JPH0787004B2 (en) 1995-09-20

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees