JPS55147777A - Information retrieval method - Google Patents

Information retrieval method

Info

Publication number
JPS55147777A
JPS55147777A JP5653779A JP5653779A JPS55147777A JP S55147777 A JPS55147777 A JP S55147777A JP 5653779 A JP5653779 A JP 5653779A JP 5653779 A JP5653779 A JP 5653779A JP S55147777 A JPS55147777 A JP S55147777A
Authority
JP
Japan
Prior art keywords
film
stored
desired information
frames
count
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
JP5653779A
Other languages
Japanese (ja)
Other versions
JPS6239456B2 (en
Inventor
Yoshio Ando
Kazuo Kashiwagi
Motofumi Konishi
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 JP5653779A priority Critical patent/JPS55147777A/en
Publication of JPS55147777A publication Critical patent/JPS55147777A/en
Publication of JPS6239456B2 publication Critical patent/JPS6239456B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

PURPOSE: To obtain required copy quickly, by storing the number of frames included in the desired information with count during the retrieval of desired information in the film and controlling the copying operation through the number of frames stored in copying desired information.
CONSTITUTION: The microfilm 1 having a plurality of information is sent out from the magazin 5 with the rotation of the rollers 6, 7, and is wound on the read-in reel 10. On the path carrying this film 1, the frame mark detector 14 is located to detect the frame mark 3, and the item mark detector 15 located another end of the film 1 detects the item mark 4 of the film 1. The marks 3 and 4 detected with the detectors 14, 15 are counted with the count circuit provided with the drive circuit detecting desired information on the film, and the count value is stored in the memory circuit. This stored count value is used for the drive of the drive motor 16, and the copy operation is controlled with the stored number of frames fed to the copy unit to express the desired objective quickly.
COPYRIGHT: (C)1980,JPO&Japio
JP5653779A 1979-05-08 1979-05-08 Information retrieval method Granted JPS55147777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5653779A JPS55147777A (en) 1979-05-08 1979-05-08 Information retrieval method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5653779A JPS55147777A (en) 1979-05-08 1979-05-08 Information retrieval method

Publications (2)

Publication Number Publication Date
JPS55147777A true JPS55147777A (en) 1980-11-17
JPS6239456B2 JPS6239456B2 (en) 1987-08-24

Family

ID=13029827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5653779A Granted JPS55147777A (en) 1979-05-08 1979-05-08 Information retrieval method

Country Status (1)

Country Link
JP (1) JPS55147777A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999030A (en) * 1973-01-26 1974-09-19
JPS5067538A (en) * 1973-10-15 1975-06-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4999030A (en) * 1973-01-26 1974-09-19
JPS5067538A (en) * 1973-10-15 1975-06-06

Also Published As

Publication number Publication date
JPS6239456B2 (en) 1987-08-24

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