MULTIPLEXED RADIO FREQUENCY LINEAR POSITION SENSOR SYSTEM
An apparatus (102) is adapted to detect the linear extensions of a plurality of hydraulic cylinders. Each hydraulic cylinder defines a variable length coaxial resonant cavity. Under the control of a controller (112), a transmitting section (106), a receiving section (110) and multiplexers (306, 307)...
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| creator | BITAR, ALI, A |
| description | An apparatus (102) is adapted to detect the linear extensions of a plurality of hydraulic cylinders. Each hydraulic cylinder defines a variable length coaxial resonant cavity. Under the control of a controller (112), a transmitting section (106), a receiving section (110) and multiplexers (306, 307) are used to multiplex RF signals to and from the cavity of each cylinder and to determinethe resonant frequency of the cavity. The controller (112) determines the linear extension of each cylinder as a function of its resonant frequency.
Appareil (102) conçu pour détecter les allongements longitudinaux d'une pluralité de cylindres hydrauliques. Chaque cylindre hydraulique définit une cavité résonnante coaxiale à longueur variable. Une unité de transmission (106), une unité de réception (110) et des multiplexeurs (306, 307) qui sont tous commandés par une unité de commande (112), servent à multiplexer des signaux RF envoyés à la cavité de chaque cylindre et provenant de cette dernière et à déterminer la fréquence de résonance de ladite cavité. L'unité de commande (112) détermine l'allongement longitudinal de chaque cylindre sous forme d'une fonction de sa fréquence de résonance. |
| format | Patent |
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Appareil (102) conçu pour détecter les allongements longitudinaux d'une pluralité de cylindres hydrauliques. Chaque cylindre hydraulique définit une cavité résonnante coaxiale à longueur variable. Une unité de transmission (106), une unité de réception (110) et des multiplexeurs (306, 307) qui sont tous commandés par une unité de commande (112), servent à multiplexer des signaux RF envoyés à la cavité de chaque cylindre et provenant de cette dernière et à déterminer la fréquence de résonance de ladite cavité. L'unité de commande (112) détermine l'allongement longitudinal de chaque cylindre sous forme d'une fonction de sa fréquence de résonance.</description><language>eng</language><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ; BLASTING ; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ; FLUID-PRESSURE ACTUATORS ; FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS ; HEATING ; HYDRAULICS OR PNEUMATICS IN GENERAL ; LIGHTING ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE ; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ; MECHANICAL ENGINEERING ; PHYSICS ; SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL ; TARIFF METERING APPARATUS ; TESTING ; WEAPONS</subject><creationdate>1993</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=19930121&DB=EPODOC&CC=WO&NR=9301470A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930121&DB=EPODOC&CC=WO&NR=9301470A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BITAR, ALI, A</creatorcontrib><title>MULTIPLEXED RADIO FREQUENCY LINEAR POSITION SENSOR SYSTEM</title><description>An apparatus (102) is adapted to detect the linear extensions of a plurality of hydraulic cylinders. Each hydraulic cylinder defines a variable length coaxial resonant cavity. Under the control of a controller (112), a transmitting section (106), a receiving section (110) and multiplexers (306, 307) are used to multiplex RF signals to and from the cavity of each cylinder and to determinethe resonant frequency of the cavity. The controller (112) determines the linear extension of each cylinder as a function of its resonant frequency.
Appareil (102) conçu pour détecter les allongements longitudinaux d'une pluralité de cylindres hydrauliques. Chaque cylindre hydraulique définit une cavité résonnante coaxiale à longueur variable. Une unité de transmission (106), une unité de réception (110) et des multiplexeurs (306, 307) qui sont tous commandés par une unité de commande (112), servent à multiplexer des signaux RF envoyés à la cavité de chaque cylindre et provenant de cette dernière et à déterminer la fréquence de résonance de ladite cavité. L'unité de commande (112) détermine l'allongement longitudinal de chaque cylindre sous forme d'une fonction de sa fréquence de résonance.</description><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</subject><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MEASURING</subject><subject>MEASURING ANGLES</subject><subject>MEASURING AREAS</subject><subject>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</subject><subject>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</subject><subject>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</subject><subject>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</subject><subject>MECHANICAL ENGINEERING</subject><subject>PHYSICS</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>TARIFF METERING APPARATUS</subject><subject>TESTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1993</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLD0DfUJ8QzwcY1wdVEIcnTx9FdwC3INDHX1c45U8PH0c3UMUgjwD_YM8fT3Uwh29Qv2D1IIjgwOcfXlYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXx4f6WxgaGJuYGjobGRCgBAHpKKPc</recordid><startdate>19930121</startdate><enddate>19930121</enddate><creator>BITAR, ALI, A</creator><scope>EVB</scope></search><sort><creationdate>19930121</creationdate><title>MULTIPLEXED RADIO FREQUENCY LINEAR POSITION SENSOR SYSTEM</title><author>BITAR, ALI, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO9301470A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1993</creationdate><topic>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</topic><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MEASURING</topic><topic>MEASURING ANGLES</topic><topic>MEASURING AREAS</topic><topic>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</topic><topic>MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS</topic><topic>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</topic><topic>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</topic><topic>MECHANICAL ENGINEERING</topic><topic>PHYSICS</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>TARIFF METERING APPARATUS</topic><topic>TESTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>BITAR, ALI, A</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BITAR, ALI, A</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MULTIPLEXED RADIO FREQUENCY LINEAR POSITION SENSOR SYSTEM</title><date>1993-01-21</date><risdate>1993</risdate><abstract>An apparatus (102) is adapted to detect the linear extensions of a plurality of hydraulic cylinders. Each hydraulic cylinder defines a variable length coaxial resonant cavity. Under the control of a controller (112), a transmitting section (106), a receiving section (110) and multiplexers (306, 307) are used to multiplex RF signals to and from the cavity of each cylinder and to determinethe resonant frequency of the cavity. The controller (112) determines the linear extension of each cylinder as a function of its resonant frequency.
Appareil (102) conçu pour détecter les allongements longitudinaux d'une pluralité de cylindres hydrauliques. Chaque cylindre hydraulique définit une cavité résonnante coaxiale à longueur variable. Une unité de transmission (106), une unité de réception (110) et des multiplexeurs (306, 307) qui sont tous commandés par une unité de commande (112), servent à multiplexer des signaux RF envoyés à la cavité de chaque cylindre et provenant de cette dernière et à déterminer la fréquence de résonance de ladite cavité. L'unité de commande (112) détermine l'allongement longitudinal de chaque cylindre sous forme d'une fonction de sa fréquence de résonance.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MECHANICAL ENGINEERING PHYSICS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TARIFF METERING APPARATUS TESTING WEAPONS |
| title | MULTIPLEXED RADIO FREQUENCY LINEAR POSITION SENSOR SYSTEM |
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