JPS5730034A - Information retrieving circuit - Google Patents

Information retrieving circuit

Info

Publication number
JPS5730034A
JPS5730034A JP10473580A JP10473580A JPS5730034A JP S5730034 A JPS5730034 A JP S5730034A JP 10473580 A JP10473580 A JP 10473580A JP 10473580 A JP10473580 A JP 10473580A JP S5730034 A JPS5730034 A JP S5730034A
Authority
JP
Japan
Prior art keywords
retrieval
condition
compared
data block
memory
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
JP10473580A
Other languages
Japanese (ja)
Inventor
Yoshitaka Fujiwara
Osamu 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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP10473580A priority Critical patent/JPS5730034A/en
Publication of JPS5730034A publication Critical patent/JPS5730034A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor

Abstract

PURPOSE:To speed up the multiplex conditional retrieval, by storing a control information relating to retrieval section and compared conditions to a control memory together with a retrieval pattern. CONSTITUTION:Retrieval mode designation information, retrieval section designating information, and retrieval conditions including compared condition and retrieval pattern are stored in a memory 5 corresponding to each of addresses to a given length data block of a retrieval objective record. The retrieval condition in the memory 5 is read out in synchronizing with the operation sequentially reading out each data block of the retrieval objective record and if each data block in the retrieval section satisfies the compared condition or not, is compared and discriminated over one record. Further, if the retrieval condition of multiplex designation is satisfied based on the output of the said comparison and discriminating circuits 8, 9 and the retrieval mode designating information, is judged at 17.
JP10473580A 1980-07-30 1980-07-30 Information retrieving circuit Pending JPS5730034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10473580A JPS5730034A (en) 1980-07-30 1980-07-30 Information retrieving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10473580A JPS5730034A (en) 1980-07-30 1980-07-30 Information retrieving circuit

Publications (1)

Publication Number Publication Date
JPS5730034A true JPS5730034A (en) 1982-02-18

Family

ID=14388747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10473580A Pending JPS5730034A (en) 1980-07-30 1980-07-30 Information retrieving circuit

Country Status (1)

Country Link
JP (1) JPS5730034A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676179A (en) * 1985-11-05 1987-06-30 Brother Kogyo Kabushiki Kaisha Presser device for sewing machine
JPS648474A (en) * 1987-07-01 1989-01-12 Canon Kk Document forming device
JPH06187327A (en) * 1993-08-01 1994-07-08 Seiko Epson Corp Chinese character selecting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4676179A (en) * 1985-11-05 1987-06-30 Brother Kogyo Kabushiki Kaisha Presser device for sewing machine
JPS648474A (en) * 1987-07-01 1989-01-12 Canon Kk Document forming device
JPH06187327A (en) * 1993-08-01 1994-07-08 Seiko Epson Corp Chinese character selecting device

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