JPS5445551A - Microfilm retrieval unit - Google Patents

Microfilm retrieval unit

Info

Publication number
JPS5445551A
JPS5445551A JP11162177A JP11162177A JPS5445551A JP S5445551 A JPS5445551 A JP S5445551A JP 11162177 A JP11162177 A JP 11162177A JP 11162177 A JP11162177 A JP 11162177A JP S5445551 A JPS5445551 A JP S5445551A
Authority
JP
Japan
Prior art keywords
film
presetting
keyboard
displays
frame
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
JP11162177A
Other languages
Japanese (ja)
Inventor
Sumio Muramatsu
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11162177A priority Critical patent/JPS5445551A/en
Publication of JPS5445551A publication Critical patent/JPS5445551A/en
Pending legal-status Critical Current

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Landscapes

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

Abstract

PURPOSE: To enable to search with direct input to keyboard, without requiring to observe the frame number and to take a memo by presetting the key number of the first frame of microfilm in advance.
CONSTITUTION: Taking the number of reference obtained as Kx=701, when this is inputted from the keyboard 42 and the search button is depressed, Kx=701 and Ku=80 are compared with the comparison operation circuit 41, and the film 10 moves forward until the 621 sets of item marks 13 (701-80=621) are counted, and when Kx=Ku, the film is stopped. The film 10 displays Ku=701. Conversely, if the number of reference Knis greater than Kx=80, for example, if Kn=703, the film 10 is delivered to negative direction. The display tube 46 displays Ku=701. Thus, after presetting the key number Kp of the first film, the retrieval due to the number of receference book can be made
COPYRIGHT: (C)1979,JPO&Japio
JP11162177A 1977-09-19 1977-09-19 Microfilm retrieval unit Pending JPS5445551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11162177A JPS5445551A (en) 1977-09-19 1977-09-19 Microfilm retrieval unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11162177A JPS5445551A (en) 1977-09-19 1977-09-19 Microfilm retrieval unit

Publications (1)

Publication Number Publication Date
JPS5445551A true JPS5445551A (en) 1979-04-10

Family

ID=14565951

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11162177A Pending JPS5445551A (en) 1977-09-19 1977-09-19 Microfilm retrieval unit

Country Status (1)

Country Link
JP (1) JPS5445551A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870375A (en) * 1981-10-20 1983-04-26 Canon Inc Microfilm retrieval device
JPS598084A (en) * 1982-07-02 1984-01-17 Canon Inc Information retrieving device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870375A (en) * 1981-10-20 1983-04-26 Canon Inc Microfilm retrieval device
JPH0215909B2 (en) * 1981-10-20 1990-04-13 Canon Kk
JPS598084A (en) * 1982-07-02 1984-01-17 Canon Inc Information retrieving device
JPH0227704B2 (en) * 1982-07-02 1990-06-19 Canon Kk

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