Light controller and method for controlling lights
A method of estimating the occurrence of midnight on a given day comprises the steps of determining the average night length (NLAVE) by averaging the night lengths (NL) between a night starting time (NST) as determined by a photosensor and a night ending time (NET) determined by a photosensor for ea...
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| creator | Jacobs Donald H |
| description | A method of estimating the occurrence of midnight on a given day comprises the steps of determining the average night length (NLAVE) by averaging the night lengths (NL) between a night starting time (NST) as determined by a photosensor and a night ending time (NET) determined by a photosensor for each of a plurality of days, and estimating midnight to occur at the time that is one half of the average night length (NLAVE) after the night starting time (NST) for the given day. This estimate of midnight to control the operation of lights or other equipment without the need for clocks or constant power. |
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This estimate of midnight to control the operation of lights or other equipment without the need for clocks or constant power.</description><language>eng</language><subject>COLORIMETRY ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT ; MEASURING ; PHYSICS ; RADIATION PYROMETRY ; TESTING</subject><creationdate>2017</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=20170103&DB=EPODOC&CC=US&NR=9538613B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170103&DB=EPODOC&CC=US&NR=9538613B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Jacobs Donald H</creatorcontrib><title>Light controller and method for controlling lights</title><description>A method of estimating the occurrence of midnight on a given day comprises the steps of determining the average night length (NLAVE) by averaging the night lengths (NL) between a night starting time (NST) as determined by a photosensor and a night ending time (NET) determined by a photosensor for each of a plurality of days, and estimating midnight to occur at the time that is one half of the average night length (NLAVE) after the night starting time (NST) for the given day. This estimate of midnight to control the operation of lights or other equipment without the need for clocks or constant power.</description><subject>COLORIMETRY</subject><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>RADIATION PYROMETRY</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDyyUzPKFFIzs8rKcrPyUktUkjMS1HITS3JyE9RSMsvgstk5qUr5IDUFvMwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUkvjQYEtTYwszQ2MnQ2MilAAAkO4sHA</recordid><startdate>20170103</startdate><enddate>20170103</enddate><creator>Jacobs Donald H</creator><scope>EVB</scope></search><sort><creationdate>20170103</creationdate><title>Light controller and method for controlling lights</title><author>Jacobs Donald H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9538613B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>COLORIMETRY</topic><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>RADIATION PYROMETRY</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>Jacobs Donald H</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jacobs Donald H</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Light controller and method for controlling lights</title><date>2017-01-03</date><risdate>2017</risdate><abstract>A method of estimating the occurrence of midnight on a given day comprises the steps of determining the average night length (NLAVE) by averaging the night lengths (NL) between a night starting time (NST) as determined by a photosensor and a night ending time (NET) determined by a photosensor for each of a plurality of days, and estimating midnight to occur at the time that is one half of the average night length (NLAVE) after the night starting time (NST) for the given day. This estimate of midnight to control the operation of lights or other equipment without the need for clocks or constant power.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | COLORIMETRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING |
| title | Light controller and method for controlling lights |
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