Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser
An optical input device for measuring relative movement between an object (15) and a sensor unit comprising a laser device (3, 5) having a laser cavity for emitting a measuring beam (13, 17) and a respective radiation-sensitive detector (4, 6) for generating a measurement signal representative of ch...
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| creator | STEK AALBERT SMANN MARCEL HEINKS CARSTEN DUIJVE RENE |
| description | An optical input device for measuring relative movement between an object (15) and a sensor unit comprising a laser device (3, 5) having a laser cavity for emitting a measuring beam (13, 17) and a respective radiation-sensitive detector (4, 6) for generating a measurement signal representative of changes in the operation of the laser device (3, 5) as a result of measuring beam radiation re-entering the laser cavity. A sensor unit is provided for measuring relative movement along each measuring axis in an action plane, and the resultant measurement signal from one or each of the sensor units is used to determine distance and/or movement of the input device and the object (15) relative to each other along a measuring axis transverse to the action plane by summing the offset frequency of a rising and falling slope of the measurement signal. |
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A sensor unit is provided for measuring relative movement along each measuring axis in an action plane, and the resultant measurement signal from one or each of the sensor units is used to determine distance and/or movement of the input device and the object (15) relative to each other along a measuring axis transverse to the action plane by summing the offset frequency of a rising and falling slope of the measurement signal.</description><language>eng</language><subject>ADVERTISING ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION ; CALCULATING ; COMPUTING ; COUNTING ; CRYPTOGRAPHY ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; DISPLAY ; EDUCATION ; ELECTRIC DIGITAL DATA PROCESSING ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SEALS ; TESTING</subject><creationdate>2011</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=20110809&DB=EPODOC&CC=US&NR=7994468B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20110809&DB=EPODOC&CC=US&NR=7994468B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STEK AALBERT</creatorcontrib><creatorcontrib>SMANN MARCEL</creatorcontrib><creatorcontrib>HEINKS CARSTEN</creatorcontrib><creatorcontrib>DUIJVE RENE</creatorcontrib><title>Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser</title><description>An optical input device for measuring relative movement between an object (15) and a sensor unit comprising a laser device (3, 5) having a laser cavity for emitting a measuring beam (13, 17) and a respective radiation-sensitive detector (4, 6) for generating a measurement signal representative of changes in the operation of the laser device (3, 5) as a result of measuring beam radiation re-entering the laser cavity. A sensor unit is provided for measuring relative movement along each measuring axis in an action plane, and the resultant measurement signal from one or each of the sensor units is used to determine distance and/or movement of the input device and the object (15) relative to each other along a measuring axis transverse to the action plane by summing the offset frequency of a rising and falling slope of the measurement signal.</description><subject>ADVERTISING</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION</subject><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>CRYPTOGRAPHY</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>DISPLAY</subject><subject>EDUCATION</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>SEALS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDsOwkAQQ9NQIOAOc4E0EAFpQSAaKqCOlo0Di_anzCTQcnOyiANQPduyPc7eR8g91BQaclDctcbfqIVVYnqQCz0cvJDxJM9AtRkcm-A5DZSncH1Ay6Dqr4titLJDO3ZCNXqjQR2nS0UJFsSwTe7MK4VWMdppNmqUZcx-nGS03523hxwxVOCoNDykupxWZVkUy_Vmvvij8gHajkk2</recordid><startdate>20110809</startdate><enddate>20110809</enddate><creator>STEK AALBERT</creator><creator>SMANN MARCEL</creator><creator>HEINKS CARSTEN</creator><creator>DUIJVE RENE</creator><scope>EVB</scope></search><sort><creationdate>20110809</creationdate><title>Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser</title><author>STEK AALBERT ; SMANN MARCEL ; HEINKS CARSTEN ; DUIJVE RENE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7994468B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2011</creationdate><topic>ADVERTISING</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION</topic><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>CRYPTOGRAPHY</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>DISPLAY</topic><topic>EDUCATION</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>SEALS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>STEK AALBERT</creatorcontrib><creatorcontrib>SMANN MARCEL</creatorcontrib><creatorcontrib>HEINKS CARSTEN</creatorcontrib><creatorcontrib>DUIJVE RENE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>STEK AALBERT</au><au>SMANN MARCEL</au><au>HEINKS CARSTEN</au><au>DUIJVE RENE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser</title><date>2011-08-09</date><risdate>2011</risdate><abstract>An optical input device for measuring relative movement between an object (15) and a sensor unit comprising a laser device (3, 5) having a laser cavity for emitting a measuring beam (13, 17) and a respective radiation-sensitive detector (4, 6) for generating a measurement signal representative of changes in the operation of the laser device (3, 5) as a result of measuring beam radiation re-entering the laser cavity. A sensor unit is provided for measuring relative movement along each measuring axis in an action plane, and the resultant measurement signal from one or each of the sensor units is used to determine distance and/or movement of the input device and the object (15) relative to each other along a measuring axis transverse to the action plane by summing the offset frequency of a rising and falling slope of the measurement signal.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADVERTISING ANALOGOUS ARRANGEMENTS USING OTHER WAVES ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CALCULATING COMPUTING COUNTING CRYPTOGRAPHY DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES DISPLAY EDUCATION ELECTRIC DIGITAL DATA PROCESSING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SEALS TESTING |
| title | Method of measuring relative movement in two dimensions of an object and an optical input device using a single self-mixing laser |
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