JPS5624670A - Information retrieval device - Google Patents

Information retrieval device

Info

Publication number
JPS5624670A
JPS5624670A JP9855879A JP9855879A JPS5624670A JP S5624670 A JPS5624670 A JP S5624670A JP 9855879 A JP9855879 A JP 9855879A JP 9855879 A JP9855879 A JP 9855879A JP S5624670 A JPS5624670 A JP S5624670A
Authority
JP
Japan
Prior art keywords
information
fed
case
retrieval
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
JP9855879A
Other languages
Japanese (ja)
Inventor
Yoshio Ando
Kazuo Kashiwagi
Mitsuo Nakamura
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 JP9855879A priority Critical patent/JPS5624670A/en
Publication of JPS5624670A publication Critical patent/JPS5624670A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To dispose the head information of the desired information groups at a predetermined position automatically by one action by disposing the operating switch for commanding the placement of a head portion of the information groups at a predetermined position.
CONSTITUTION: In the information retrieval device for making retrieval to a desired information from the microfilm having a plurality of the information, in the case of being placed at a desired page on the way of the desired information in question, differentiating signal differentiated the brake signal c from the retrieval control circuit 34 in differentiating circuit 37 sets FF2 and resets FF1. The output of FF2 is fed to AND gate G1, and when pressing the head detection key 33, the gate G1 is opened and FF1 is set and the film driving motor 10 is reversed through the motor reversing driving circuit 35. The film is fed in an opposite direction and when the first case retrieval mark is detected by the case mark detector 9, FF1 is reset and the driving signal to the circuit 35 is not fed but the motor 10 is stopped. The brake signal is fed to the brake device via Q' terminal of FF1 and the film is stopped at a head position of the case information.
COPYRIGHT: (C)1981,JPO&Japio
JP9855879A 1979-08-01 1979-08-01 Information retrieval device Pending JPS5624670A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9855879A JPS5624670A (en) 1979-08-01 1979-08-01 Information retrieval device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9855879A JPS5624670A (en) 1979-08-01 1979-08-01 Information retrieval device

Publications (1)

Publication Number Publication Date
JPS5624670A true JPS5624670A (en) 1981-03-09

Family

ID=14223013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9855879A Pending JPS5624670A (en) 1979-08-01 1979-08-01 Information retrieval device

Country Status (1)

Country Link
JP (1) JPS5624670A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840685A (en) * 1981-09-04 1983-03-09 Ricoh Co Ltd Turn back controlling method of information retrieving

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840685A (en) * 1981-09-04 1983-03-09 Ricoh Co Ltd Turn back controlling method of information retrieving

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