Back-up protection sensor for a vehicle
A protection sensor for a lawn vehicle includes a substantially unidirectional antenna operatively coupled to a Doppler detection circuit. The Doppler detection circuit generates a radio frequency signal which is radiated by the antenna. When the radiated signal strikes an object, such as a person,...
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| creator | ZUERCHER, JOSEPH CHARLES MCCLANAHAN, DAVID LEE PAHL, BIRGER |
| description | A protection sensor for a lawn vehicle includes a substantially unidirectional antenna operatively coupled to a Doppler detection circuit. The Doppler detection circuit generates a radio frequency signal which is radiated by the antenna. When the radiated signal strikes an object, such as a person, animal or another moving lawn vehicle, within a predefined detection region of the sensor, the signal is reflected and received by the antenna. The Doppler detection circuit generates an output signal responsive to a difference in frequency between the radiated signal and the reflected signal, thereby indicating the presence of the moving object within the protection region of the sensor. The unidirectional antenna virtually eliminates false detections generated by the lawn vehicle, to which the sensor is mounted, or by the operator of the vehicle. |
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The Doppler detection circuit generates a radio frequency signal which is radiated by the antenna. When the radiated signal strikes an object, such as a person, animal or another moving lawn vehicle, within a predefined detection region of the sensor, the signal is reflected and received by the antenna. The Doppler detection circuit generates an output signal responsive to a difference in frequency between the radiated signal and the reflected signal, thereby indicating the presence of the moving object within the protection region of the sensor. The unidirectional antenna virtually eliminates false detections generated by the lawn vehicle, to which the sensor is mounted, or by the operator of the vehicle.</description><edition>7</edition><language>eng ; fre ; ger</language><subject>AGRICULTURE ; ALARM SYSTEMS ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; ANIMAL HUSBANDRY ; ANTENNAS, i.e. RADIO AERIALS ; BASIC ELECTRIC ELEMENTS ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; ELECTRICITY ; FISHING ; FORESTRY ; HARVESTING ; HUMAN NECESSITIES ; HUNTING ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MOWING ; ORDER TELEGRAPHS ; PERFORMING OPERATIONS ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SIGNALLING ; SIGNALLING OR CALLING SYSTEMS ; TESTING ; TRANSPORTING ; TRAPPING ; VEHICLES IN GENERAL ; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><creationdate>2000</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=20000426&DB=EPODOC&CC=EP&NR=0996003A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20000426&DB=EPODOC&CC=EP&NR=0996003A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZUERCHER, JOSEPH CHARLES</creatorcontrib><creatorcontrib>MCCLANAHAN, DAVID LEE</creatorcontrib><creatorcontrib>PAHL, BIRGER</creatorcontrib><title>Back-up protection sensor for a vehicle</title><description>A protection sensor for a lawn vehicle includes a substantially unidirectional antenna operatively coupled to a Doppler detection circuit. The Doppler detection circuit generates a radio frequency signal which is radiated by the antenna. When the radiated signal strikes an object, such as a person, animal or another moving lawn vehicle, within a predefined detection region of the sensor, the signal is reflected and received by the antenna. The Doppler detection circuit generates an output signal responsive to a difference in frequency between the radiated signal and the reflected signal, thereby indicating the presence of the moving object within the protection region of the sensor. The unidirectional antenna virtually eliminates false detections generated by the lawn vehicle, to which the sensor is mounted, or by the operator of the vehicle.</description><subject>AGRICULTURE</subject><subject>ALARM SYSTEMS</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>ANIMAL HUSBANDRY</subject><subject>ANTENNAS, i.e. RADIO AERIALS</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>ELECTRICITY</subject><subject>FISHING</subject><subject>FORESTRY</subject><subject>HARVESTING</subject><subject>HUMAN NECESSITIES</subject><subject>HUNTING</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MOWING</subject><subject>ORDER TELEGRAPHS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>SIGNALLING</subject><subject>SIGNALLING OR CALLING SYSTEMS</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>TRAPPING</subject><subject>VEHICLES IN GENERAL</subject><subject>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2000</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFB3SkzO1i0tUCgoyi9JTS7JzM9TKE7NK84vUkgD4kSFstSMzOScVB4G1rTEnOJUXijNzaDg5hri7KGbWpAfn1pckJicmpdaEu8aYGBpaWZgYOxoZEyEEgAzOCc6</recordid><startdate>20000426</startdate><enddate>20000426</enddate><creator>ZUERCHER, JOSEPH CHARLES</creator><creator>MCCLANAHAN, DAVID LEE</creator><creator>PAHL, BIRGER</creator><scope>EVB</scope></search><sort><creationdate>20000426</creationdate><title>Back-up protection sensor for a vehicle</title><author>ZUERCHER, JOSEPH CHARLES ; MCCLANAHAN, DAVID LEE ; PAHL, BIRGER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0996003A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2000</creationdate><topic>AGRICULTURE</topic><topic>ALARM SYSTEMS</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>ANIMAL HUSBANDRY</topic><topic>ANTENNAS, i.e. RADIO AERIALS</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>ELECTRICITY</topic><topic>FISHING</topic><topic>FORESTRY</topic><topic>HARVESTING</topic><topic>HUMAN NECESSITIES</topic><topic>HUNTING</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MOWING</topic><topic>ORDER TELEGRAPHS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>SIGNALLING</topic><topic>SIGNALLING OR CALLING SYSTEMS</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>TRAPPING</topic><topic>VEHICLES IN GENERAL</topic><topic>VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR</topic><toplevel>online_resources</toplevel><creatorcontrib>ZUERCHER, JOSEPH CHARLES</creatorcontrib><creatorcontrib>MCCLANAHAN, DAVID LEE</creatorcontrib><creatorcontrib>PAHL, BIRGER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZUERCHER, JOSEPH CHARLES</au><au>MCCLANAHAN, DAVID LEE</au><au>PAHL, BIRGER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Back-up protection sensor for a vehicle</title><date>2000-04-26</date><risdate>2000</risdate><abstract>A protection sensor for a lawn vehicle includes a substantially unidirectional antenna operatively coupled to a Doppler detection circuit. The Doppler detection circuit generates a radio frequency signal which is radiated by the antenna. When the radiated signal strikes an object, such as a person, animal or another moving lawn vehicle, within a predefined detection region of the sensor, the signal is reflected and received by the antenna. The Doppler detection circuit generates an output signal responsive to a difference in frequency between the radiated signal and the reflected signal, thereby indicating the presence of the moving object within the protection region of the sensor. The unidirectional antenna virtually eliminates false detections generated by the lawn vehicle, to which the sensor is mounted, or by the operator of the vehicle.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | AGRICULTURE ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANIMAL HUSBANDRY ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY FISHING FORESTRY HARVESTING HUMAN NECESSITIES HUNTING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MOWING ORDER TELEGRAPHS PERFORMING OPERATIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING TRANSPORTING TRAPPING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR |
| title | Back-up protection sensor for a vehicle |
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