Alertness device, seat, and method for determining alertness
An alertness device includes: a respiration sensor that obtains respiratory data of a person; a calculation unit; a waveform generation unit that generates a respiratory interval (RI) waveform which is a transition in a predetermined time period of an RI which is an interval for one respiration; and...
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| creator | Takahashi, Issey Yokoyama, Kiyoko Ito, Takayoshi Sugiyama, Shinji |
| description | An alertness device includes: a respiration sensor that obtains respiratory data of a person; a calculation unit; a waveform generation unit that generates a respiratory interval (RI) waveform which is a transition in a predetermined time period of an RI which is an interval for one respiration; and a determination unit. The calculation unit calculates an average value of the RI and RrMSSDn in a predetermined time period. In a case where an average value of the subsequent RI is greater than an average value of the RI directly previous to the subsequent RI and in a case where the RrMSSDn of the subsequent RI is greater than a value which is obtained by multiplying the RrMSSDn of the previous RI by a constant β, the determination unit determines on the basis of values calculated by the calculation unit that the person is in a state of low alertness. |
| format | Patent |
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The calculation unit calculates an average value of the RI and RrMSSDn in a predetermined time period. In a case where an average value of the subsequent RI is greater than an average value of the RI directly previous to the subsequent RI and in a case where the RrMSSDn of the subsequent RI is greater than a value which is obtained by multiplying the RrMSSDn of the previous RI by a constant β, the determination unit determines on the basis of values calculated by the calculation unit that the person is in a state of low alertness.</description><language>eng</language><subject>DIAGNOSIS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; MEDICAL OR VETERINARY SCIENCE ; PERFORMING OPERATIONS ; SEATS SPECIALLY ADAPTED FOR VEHICLES ; SURGERY ; TRANSPORTING ; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR ; VEHICLES IN GENERAL</subject><creationdate>2018</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=20181016&DB=EPODOC&CC=US&NR=10098578B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181016&DB=EPODOC&CC=US&NR=10098578B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Takahashi, Issey</creatorcontrib><creatorcontrib>Yokoyama, Kiyoko</creatorcontrib><creatorcontrib>Ito, Takayoshi</creatorcontrib><creatorcontrib>Sugiyama, Shinji</creatorcontrib><title>Alertness device, seat, and method for determining alertness</title><description>An alertness device includes: a respiration sensor that obtains respiratory data of a person; a calculation unit; a waveform generation unit that generates a respiratory interval (RI) waveform which is a transition in a predetermined time period of an RI which is an interval for one respiration; and a determination unit. 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In a case where an average value of the subsequent RI is greater than an average value of the RI directly previous to the subsequent RI and in a case where the RrMSSDn of the subsequent RI is greater than a value which is obtained by multiplying the RrMSSDn of the previous RI by a constant β, the determination unit determines on the basis of values calculated by the calculation unit that the person is in a state of low alertness.</description><subject>DIAGNOSIS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>IDENTIFICATION</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>PERFORMING OPERATIONS</subject><subject>SEATS SPECIALLY ADAPTED FOR VEHICLES</subject><subject>SURGERY</subject><subject>TRANSPORTING</subject><subject>VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR</subject><subject>VEHICLES IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLBxzEktKslLLS5WSEkty0xO1VEoTk0s0VFIzEtRyE0tychPUUjLLwJKlqQW5WbmZealKyTCtPAwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTigsTk1LzUkvjQYEMDA0sLU3MLJyNjYtQAAMVRL8s</recordid><startdate>20181016</startdate><enddate>20181016</enddate><creator>Takahashi, Issey</creator><creator>Yokoyama, Kiyoko</creator><creator>Ito, Takayoshi</creator><creator>Sugiyama, Shinji</creator><scope>EVB</scope></search><sort><creationdate>20181016</creationdate><title>Alertness device, seat, and method for determining alertness</title><author>Takahashi, Issey ; Yokoyama, Kiyoko ; Ito, Takayoshi ; Sugiyama, Shinji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10098578B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>DIAGNOSIS</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>IDENTIFICATION</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>PERFORMING OPERATIONS</topic><topic>SEATS SPECIALLY ADAPTED FOR VEHICLES</topic><topic>SURGERY</topic><topic>TRANSPORTING</topic><topic>VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR</topic><topic>VEHICLES IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>Takahashi, Issey</creatorcontrib><creatorcontrib>Yokoyama, Kiyoko</creatorcontrib><creatorcontrib>Ito, Takayoshi</creatorcontrib><creatorcontrib>Sugiyama, Shinji</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Takahashi, Issey</au><au>Yokoyama, Kiyoko</au><au>Ito, Takayoshi</au><au>Sugiyama, Shinji</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Alertness device, seat, and method for determining alertness</title><date>2018-10-16</date><risdate>2018</risdate><abstract>An alertness device includes: a respiration sensor that obtains respiratory data of a person; a calculation unit; a waveform generation unit that generates a respiratory interval (RI) waveform which is a transition in a predetermined time period of an RI which is an interval for one respiration; and a determination unit. 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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS SEATS SPECIALLY ADAPTED FOR VEHICLES SURGERY TRANSPORTING VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR VEHICLES IN GENERAL |
| title | Alertness device, seat, and method for determining alertness |
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