Cross-connect apparatus
An apparatus having n-number of working cross-connects for cross-connecting an n-bit input signals arriving from a plurality of input paths on a per-bit basis; n-number of first logic circuits for calculating the exclusive-ORs of each said n-bit and applying outputs to a standby cross-connect for pr...
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| creator | EGOSHI HIROYA MIYAZAKI YUKIKO KUNIMATSU KAZUHIRO TAKAYASU AKIO |
| description | An apparatus having n-number of working cross-connects for cross-connecting an n-bit input signals arriving from a plurality of input paths on a per-bit basis; n-number of first logic circuits for calculating the exclusive-ORs of each said n-bit and applying outputs to a standby cross-connect for providing outputs; n-number of second logic circuits for calculating the exclusive-ORs of said output signals from each of said working cross-connects and from the single standby cross-connect; and third logic circuits for selecting output signals of said working cross-connects and outputs of the second logic circuits. The apparatus detects the occurrence of an abnormality in working cross-connects by monitoring the outputs of the second logic circuits, identifies the faulty cross-connect by successively turning off one of the n-inputs to the first and second logic circuits, and select outputs from the second logic circuits instead of from the faulty cross-connect by using the third logic circuits. |
| format | Patent |
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The apparatus detects the occurrence of an abnormality in working cross-connects by monitoring the outputs of the second logic circuits, identifies the faulty cross-connect by successively turning off one of the n-inputs to the first and second logic circuits, and select outputs from the second logic circuits instead of from the faulty cross-connect by using the third logic circuits.</description><language>eng</language><subject>BASIC ELECTRONIC CIRCUITRY ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; FREQUENCY-CHANGING ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; PULSE TECHNIQUE ; SELECTING ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF ; TRANSMISSION</subject><creationdate>2006</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060905&DB=EPODOC&CC=US&NR=7103274B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20060905&DB=EPODOC&CC=US&NR=7103274B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>EGOSHI HIROYA</creatorcontrib><creatorcontrib>MIYAZAKI YUKIKO</creatorcontrib><creatorcontrib>KUNIMATSU KAZUHIRO</creatorcontrib><creatorcontrib>TAKAYASU AKIO</creatorcontrib><title>Cross-connect apparatus</title><description>An apparatus having n-number of working cross-connects for cross-connecting an n-bit input signals arriving from a plurality of input paths on a per-bit basis; n-number of first logic circuits for calculating the exclusive-ORs of each said n-bit and applying outputs to a standby cross-connect for providing outputs; n-number of second logic circuits for calculating the exclusive-ORs of said output signals from each of said working cross-connects and from the single standby cross-connect; and third logic circuits for selecting output signals of said working cross-connects and outputs of the second logic circuits. The apparatus detects the occurrence of an abnormality in working cross-connects by monitoring the outputs of the second logic circuits, identifies the faulty cross-connect by successively turning off one of the n-inputs to the first and second logic circuits, and select outputs from the second logic circuits instead of from the faulty cross-connect by using the third logic circuits.</description><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>FREQUENCY-CHANGING</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>PULSE TECHNIQUE</subject><subject>SELECTING</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2006</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBB3LsovLtZNzs_LS00uUUgsKEgsSiwpLeZhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGhweaGBsZG5iZORsZEKAEAnk0h0g</recordid><startdate>20060905</startdate><enddate>20060905</enddate><creator>EGOSHI HIROYA</creator><creator>MIYAZAKI YUKIKO</creator><creator>KUNIMATSU KAZUHIRO</creator><creator>TAKAYASU AKIO</creator><scope>EVB</scope></search><sort><creationdate>20060905</creationdate><title>Cross-connect apparatus</title><author>EGOSHI HIROYA ; MIYAZAKI YUKIKO ; KUNIMATSU KAZUHIRO ; TAKAYASU AKIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7103274B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2006</creationdate><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>FREQUENCY-CHANGING</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>PULSE TECHNIQUE</topic><topic>SELECTING</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>EGOSHI HIROYA</creatorcontrib><creatorcontrib>MIYAZAKI YUKIKO</creatorcontrib><creatorcontrib>KUNIMATSU KAZUHIRO</creatorcontrib><creatorcontrib>TAKAYASU AKIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>EGOSHI HIROYA</au><au>MIYAZAKI YUKIKO</au><au>KUNIMATSU KAZUHIRO</au><au>TAKAYASU AKIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Cross-connect apparatus</title><date>2006-09-05</date><risdate>2006</risdate><abstract>An apparatus having n-number of working cross-connects for cross-connecting an n-bit input signals arriving from a plurality of input paths on a per-bit basis; n-number of first logic circuits for calculating the exclusive-ORs of each said n-bit and applying outputs to a standby cross-connect for providing outputs; n-number of second logic circuits for calculating the exclusive-ORs of said output signals from each of said working cross-connects and from the single standby cross-connect; and third logic circuits for selecting output signals of said working cross-connects and outputs of the second logic circuits. The apparatus detects the occurrence of an abnormality in working cross-connects by monitoring the outputs of the second logic circuits, identifies the faulty cross-connect by successively turning off one of the n-inputs to the first and second logic circuits, and select outputs from the second logic circuits instead of from the faulty cross-connect by using the third logic circuits.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRONIC CIRCUITRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PULSE TECHNIQUE SELECTING TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSMISSION |
| title | Cross-connect apparatus |
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