JPS5523526A - Data retrieval device - Google Patents

Data retrieval device

Info

Publication number
JPS5523526A
JPS5523526A JP9477278A JP9477278A JPS5523526A JP S5523526 A JPS5523526 A JP S5523526A JP 9477278 A JP9477278 A JP 9477278A JP 9477278 A JP9477278 A JP 9477278A JP S5523526 A JPS5523526 A JP S5523526A
Authority
JP
Japan
Prior art keywords
circuit
data
retrieval
retrieval information
information
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
JP9477278A
Other languages
Japanese (ja)
Inventor
Hitoshi Miyai
Yoshiyasu Kikuchi
Masamichi Shiyudo
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9477278A priority Critical patent/JPS5523526A/en
Publication of JPS5523526A publication Critical patent/JPS5523526A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To retrive data only by inputting short retrieval information even in case of a large data volume, by forming data with a tree structure and storing information, which indicates inter-data relations, in a storage unit in a form of table.
CONSTITUTION: Retrieval information 11 inputted in a form of parallel code by retrieval information input device 1 is transferred to code conversion circuit 10 in a form of code, and alphabetic information out of retrieval information is converted to control signals and is transferred to timing signal output circuit 30. Data storage circuit 20 refers to the retrieval table in circuit 20 on a basis of control signals from circuit 30 and accesses the data storage part in circuit 20 on a basis of this table and outputs pertinent data to the next-stage output device as 2011.
COPYRIGHT: (C)1980,JPO&Japio
JP9477278A 1978-08-02 1978-08-02 Data retrieval device Pending JPS5523526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9477278A JPS5523526A (en) 1978-08-02 1978-08-02 Data retrieval device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9477278A JPS5523526A (en) 1978-08-02 1978-08-02 Data retrieval device

Publications (1)

Publication Number Publication Date
JPS5523526A true JPS5523526A (en) 1980-02-20

Family

ID=14119378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9477278A Pending JPS5523526A (en) 1978-08-02 1978-08-02 Data retrieval device

Country Status (1)

Country Link
JP (1) JPS5523526A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713547A (en) * 1980-05-27 1982-01-23 Ibm Method for operating computer system
JPS6265102A (en) * 1985-09-13 1987-03-24 Nec Corp Sequence logical unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4969241A (en) * 1972-11-08 1974-07-04
JPS5119458A (en) * 1974-08-08 1976-02-16 Yashica Co Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4969241A (en) * 1972-11-08 1974-07-04
JPS5119458A (en) * 1974-08-08 1976-02-16 Yashica Co Ltd

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713547A (en) * 1980-05-27 1982-01-23 Ibm Method for operating computer system
JPH0128410B2 (en) * 1980-05-27 1989-06-02 Intaanashonaru Bijinesu Mashiinzu Corp
JPS6265102A (en) * 1985-09-13 1987-03-24 Nec Corp Sequence logical unit

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