VELOCITY MEASURING DEVICE, SPEED MEASURING DEVICE AND METHOD, AND MOVING DIRECTION MEASURING DEVICE AND METHOD
PROBLEM TO BE SOLVED: To provide a velocity measuring device capable of accurately measuring the actual speed of a measuring object and its moving direction without requiring a complicated composition. SOLUTION: An ultrasonic wave is transmitted from a transmitter 11 toward an impact point of a ball...
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| creator | YOSHIO TOSHIHIKO TAKAI TAKUO IKEUCHI FUMIO |
| description | PROBLEM TO BE SOLVED: To provide a velocity measuring device capable of accurately measuring the actual speed of a measuring object and its moving direction without requiring a complicated composition. SOLUTION: An ultrasonic wave is transmitted from a transmitter 11 toward an impact point of a ball 3, and a reflected wave from a head portion 2a passing the impact point is received by three receivers 21x, 21y, and 21z. Relative moving velocities of the head portion to each receiver are respectively calculated on the basis of Doppler signal components included in the reflected wave received by each receiver. The relative moving velocities are obtained as velocity component vectors of the head portion in each receiving direction and the velocity component vectors are added to determine a velocity vector of the head portion at the impact point. Magnitude of the velocity vector is used as speed of the head portion and its direction is displayed in a display part as a deviation angle in an X-axis direction in a horizontal plane and an angle to the horizontal plane. |
| format | Patent |
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SOLUTION: An ultrasonic wave is transmitted from a transmitter 11 toward an impact point of a ball 3, and a reflected wave from a head portion 2a passing the impact point is received by three receivers 21x, 21y, and 21z. Relative moving velocities of the head portion to each receiver are respectively calculated on the basis of Doppler signal components included in the reflected wave received by each receiver. The relative moving velocities are obtained as velocity component vectors of the head portion in each receiving direction and the velocity component vectors are added to determine a velocity vector of the head portion at the impact point. Magnitude of the velocity vector is used as speed of the head portion and its direction is displayed in a display part as a deviation angle in an X-axis direction in a horizontal plane and an angle to the horizontal plane.</description><edition>7</edition><language>eng</language><subject>AMUSEMENTS ; ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING ; BALL GAMES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; GAMES ; HUMAN NECESSITIES ; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SPORTS ; TESTING ; TRAINING EQUIPMENT</subject><creationdate>2002</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=20020312&DB=EPODOC&CC=JP&NR=2002071802A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020312&DB=EPODOC&CC=JP&NR=2002071802A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YOSHIO TOSHIHIKO</creatorcontrib><creatorcontrib>TAKAI TAKUO</creatorcontrib><creatorcontrib>IKEUCHI FUMIO</creatorcontrib><title>VELOCITY MEASURING DEVICE, SPEED MEASURING DEVICE AND METHOD, AND MOVING DIRECTION MEASURING DEVICE AND METHOD</title><description>PROBLEM TO BE SOLVED: To provide a velocity measuring device capable of accurately measuring the actual speed of a measuring object and its moving direction without requiring a complicated composition. SOLUTION: An ultrasonic wave is transmitted from a transmitter 11 toward an impact point of a ball 3, and a reflected wave from a head portion 2a passing the impact point is received by three receivers 21x, 21y, and 21z. Relative moving velocities of the head portion to each receiver are respectively calculated on the basis of Doppler signal components included in the reflected wave received by each receiver. The relative moving velocities are obtained as velocity component vectors of the head portion in each receiving direction and the velocity component vectors are added to determine a velocity vector of the head portion at the impact point. Magnitude of the velocity vector is used as speed of the head portion and its direction is displayed in a display part as a deviation angle in an X-axis direction in a horizontal plane and an angle to the horizontal plane.</description><subject>AMUSEMENTS</subject><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING</subject><subject>BALL GAMES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</subject><subject>GAMES</subject><subject>HUMAN NECESSITIES</subject><subject>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</subject><subject>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</subject><subject>MEASURING</subject><subject>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</subject><subject>PHYSICS</subject><subject>RADIO DIRECTION-FINDING</subject><subject>RADIO NAVIGATION</subject><subject>SPORTS</subject><subject>TESTING</subject><subject>TRAINING EQUIPMENT</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZMgLc_Xxd_YMiVTwdXUMDg3y9HNXcHEN83R21VEIDnB1dcEQV3D0AwmGePi76EDY_mFgWc8gV-cQT38_fDp4GFjTEnOKU3mhNDeDkptriLOHbmpBfnxqcUFicmpeakm8V4CRgYGRgbmhhYGRozFRigCaEDcq</recordid><startdate>20020312</startdate><enddate>20020312</enddate><creator>YOSHIO TOSHIHIKO</creator><creator>TAKAI TAKUO</creator><creator>IKEUCHI FUMIO</creator><scope>EVB</scope></search><sort><creationdate>20020312</creationdate><title>VELOCITY MEASURING DEVICE, SPEED MEASURING DEVICE AND METHOD, AND MOVING DIRECTION MEASURING DEVICE AND METHOD</title><author>YOSHIO TOSHIHIKO ; TAKAI TAKUO ; IKEUCHI FUMIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2002071802A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2002</creationdate><topic>AMUSEMENTS</topic><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING</topic><topic>BALL GAMES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</topic><topic>GAMES</topic><topic>HUMAN NECESSITIES</topic><topic>INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT</topic><topic>LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES</topic><topic>MEASURING</topic><topic>MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK</topic><topic>PHYSICS</topic><topic>RADIO DIRECTION-FINDING</topic><topic>RADIO NAVIGATION</topic><topic>SPORTS</topic><topic>TESTING</topic><topic>TRAINING EQUIPMENT</topic><toplevel>online_resources</toplevel><creatorcontrib>YOSHIO TOSHIHIKO</creatorcontrib><creatorcontrib>TAKAI TAKUO</creatorcontrib><creatorcontrib>IKEUCHI FUMIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>YOSHIO TOSHIHIKO</au><au>TAKAI TAKUO</au><au>IKEUCHI FUMIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>VELOCITY MEASURING DEVICE, SPEED MEASURING DEVICE AND METHOD, AND MOVING DIRECTION MEASURING DEVICE AND METHOD</title><date>2002-03-12</date><risdate>2002</risdate><abstract>PROBLEM TO BE SOLVED: To provide a velocity measuring device capable of accurately measuring the actual speed of a measuring object and its moving direction without requiring a complicated composition. SOLUTION: An ultrasonic wave is transmitted from a transmitter 11 toward an impact point of a ball 3, and a reflected wave from a head portion 2a passing the impact point is received by three receivers 21x, 21y, and 21z. Relative moving velocities of the head portion to each receiver are respectively calculated on the basis of Doppler signal components included in the reflected wave received by each receiver. The relative moving velocities are obtained as velocity component vectors of the head portion in each receiving direction and the velocity component vectors are added to determine a velocity vector of the head portion at the impact point. Magnitude of the velocity vector is used as speed of the head portion and its direction is displayed in a display part as a deviation angle in an X-axis direction in a horizontal plane and an angle to the horizontal plane.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AMUSEMENTS ANALOGOUS ARRANGEMENTS USING OTHER WAVES APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GAMES HUMAN NECESSITIES INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SPORTS TESTING TRAINING EQUIPMENT |
| title | VELOCITY MEASURING DEVICE, SPEED MEASURING DEVICE AND METHOD, AND MOVING DIRECTION MEASURING DEVICE AND METHOD |
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