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JPS6453202A - Contact information identifying method - Google Patents

Contact information identifying method

Info

Publication number
JPS6453202A
JPS6453202A JP21097587A JP21097587A JPS6453202A JP S6453202 A JPS6453202 A JP S6453202A JP 21097587 A JP21097587 A JP 21097587A JP 21097587 A JP21097587 A JP 21097587A JP S6453202 A JPS6453202 A JP S6453202A
Authority
JP
Japan
Prior art keywords
information
contact information
contact
latest
time
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
JP21097587A
Other languages
Japanese (ja)
Inventor
Masao Jumonji
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
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 filed Critical NEC Corp
Priority to JP21097587A priority Critical patent/JPS6453202A/en
Publication of JPS6453202A publication Critical patent/JPS6453202A/en
Pending legal-status Critical Current

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  • Programmable Controllers (AREA)

Abstract

PURPOSE:To simplify the contact information identifying process and at the same time to shorten this processing time by using only the exclusive OR and the AND secured between the present contact information and the contact information on the latest (n) times to identify the contact information. CONSTITUTION:The contact switch information on the latest (n) times are stored in a main memory 23 for each of contacts 260-26m-1. For these contacts, an exclusive OR is secured between the read contact information of this time and each information on the latest (n) times of the relevant contact. Then an exclusive OR is secured between the AND of said (n) pieces of the latest information is defined as the fixed information. While the value read this time is used as the fixed information in case no said coincidence is obtained. This identifying process can be carried out simply and in a short time.
JP21097587A 1987-08-24 1987-08-24 Contact information identifying method Pending JPS6453202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21097587A JPS6453202A (en) 1987-08-24 1987-08-24 Contact information identifying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21097587A JPS6453202A (en) 1987-08-24 1987-08-24 Contact information identifying method

Publications (1)

Publication Number Publication Date
JPS6453202A true JPS6453202A (en) 1989-03-01

Family

ID=16598227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21097587A Pending JPS6453202A (en) 1987-08-24 1987-08-24 Contact information identifying method

Country Status (1)

Country Link
JP (1) JPS6453202A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086611A (en) * 1994-06-20 1996-01-12 Nissan Motor Co Ltd High speed arithmetic operation method for sequence and sequence controller using same
US5645382A (en) * 1995-09-13 1997-07-08 Cargill Detroit Corporation Controlled atmosphere machining
JP2007156847A (en) * 2005-12-06 2007-06-21 Mitsubishi Electric Corp Process information input mechanism, and monitoring controller using process information input mechanism
US7593947B2 (en) 2003-03-24 2009-09-22 Ibm Corporation System, method and program for grouping data update requests for efficient processing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086611A (en) * 1994-06-20 1996-01-12 Nissan Motor Co Ltd High speed arithmetic operation method for sequence and sequence controller using same
US5645382A (en) * 1995-09-13 1997-07-08 Cargill Detroit Corporation Controlled atmosphere machining
US7593947B2 (en) 2003-03-24 2009-09-22 Ibm Corporation System, method and program for grouping data update requests for efficient processing
JP2007156847A (en) * 2005-12-06 2007-06-21 Mitsubishi Electric Corp Process information input mechanism, and monitoring controller using process information input mechanism

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