MEASURING INSTRUMENT BY MAKING USE OF DOPPLER EFFECT
PURPOSE:To calibrate the title instrument with high accuracy by a method wherein a mode changeover means which changes over between a measuring mode and a calibration mode is provided, a reference frequency signal for calibration is input to a frequency/voltage conversion means and the signal is com...
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| creator | TANAKA TOICHI KOBAYASHI TAKAYUKI NUMAO SADAO MIURA SHINJI |
| description | PURPOSE:To calibrate the title instrument with high accuracy by a method wherein a mode changeover means which changes over between a measuring mode and a calibration mode is provided, a reference frequency signal for calibration is input to a frequency/voltage conversion means and the signal is compensated according to a deviation from a proper value. CONSTITUTION:In a calibration mode, a range is selected by a range selection switch SW3a. The SW3a is interlocked with a range changeover switch 231 and with an output frequency from a first transmitter 31. The switch 231 is changed over to a target range according to a range selected by the SW3a, and a reference frequency generated by the transmitter 31 is changed over to a frequency corresponding to it. A compensation-voltage generation circuit 38 is provided with a buffer amplifier A5 and a differential amplifier A4, and the reference signal is input to a negative-side input terminal for the amplifier A4 via the amplifier A5. A compensation reference voltage is applied to the positive-side input terminal for the amplifier A4. Consequently, the difference between the compensation reference voltage and an analog voltage is output from the amplifier A4 as a compensation voltage. |
| format | Patent |
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CONSTITUTION:In a calibration mode, a range is selected by a range selection switch SW3a. The SW3a is interlocked with a range changeover switch 231 and with an output frequency from a first transmitter 31. The switch 231 is changed over to a target range according to a range selected by the SW3a, and a reference frequency generated by the transmitter 31 is changed over to a frequency corresponding to it. A compensation-voltage generation circuit 38 is provided with a buffer amplifier A5 and a differential amplifier A4, and the reference signal is input to a negative-side input terminal for the amplifier A4 via the amplifier A5. A compensation reference voltage is applied to the positive-side input terminal for the amplifier A4. Consequently, the difference between the compensation reference voltage and an analog voltage is output from the amplifier A4 as a compensation voltage.</description><edition>5</edition><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; 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 ; TESTING</subject><creationdate>1994</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=19940422&DB=EPODOC&CC=JP&NR=H06109843A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940422&DB=EPODOC&CC=JP&NR=H06109843A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANAKA TOICHI</creatorcontrib><creatorcontrib>KOBAYASHI TAKAYUKI</creatorcontrib><creatorcontrib>NUMAO SADAO</creatorcontrib><creatorcontrib>MIURA SHINJI</creatorcontrib><title>MEASURING INSTRUMENT BY MAKING USE OF DOPPLER EFFECT</title><description>PURPOSE:To calibrate the title instrument with high accuracy by a method wherein a mode changeover means which changes over between a measuring mode and a calibration mode is provided, a reference frequency signal for calibration is input to a frequency/voltage conversion means and the signal is compensated according to a deviation from a proper value. CONSTITUTION:In a calibration mode, a range is selected by a range selection switch SW3a. The SW3a is interlocked with a range changeover switch 231 and with an output frequency from a first transmitter 31. The switch 231 is changed over to a target range according to a range selected by the SW3a, and a reference frequency generated by the transmitter 31 is changed over to a frequency corresponding to it. A compensation-voltage generation circuit 38 is provided with a buffer amplifier A5 and a differential amplifier A4, and the reference signal is input to a negative-side input terminal for the amplifier A4 via the amplifier A5. A compensation reference voltage is applied to the positive-side input terminal for the amplifier A4. Consequently, the difference between the compensation reference voltage and an analog voltage is output from the amplifier A4 as a compensation voltage.</description><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</subject><subject>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</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>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDxdXUMDg3y9HNX8PQLDgkK9XX1C1FwilTwdfQGCYYGuyr4uym4-AcE-LgGKbi6ubk6h_AwsKYl5hSn8kJpbgZFN9cQZw_d1IL8-NTigsTk1LzUknivAA8DM0MDSwsTY0djYtQAANEDJ5Y</recordid><startdate>19940422</startdate><enddate>19940422</enddate><creator>TANAKA TOICHI</creator><creator>KOBAYASHI TAKAYUKI</creator><creator>NUMAO SADAO</creator><creator>MIURA SHINJI</creator><scope>EVB</scope></search><sort><creationdate>19940422</creationdate><title>MEASURING INSTRUMENT BY MAKING USE OF DOPPLER EFFECT</title><author>TANAKA TOICHI ; KOBAYASHI TAKAYUKI ; NUMAO SADAO ; MIURA SHINJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06109843A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>ANALOGOUS ARRANGEMENTS USING OTHER WAVES</topic><topic>DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES</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>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>TANAKA TOICHI</creatorcontrib><creatorcontrib>KOBAYASHI TAKAYUKI</creatorcontrib><creatorcontrib>NUMAO SADAO</creatorcontrib><creatorcontrib>MIURA SHINJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TANAKA TOICHI</au><au>KOBAYASHI TAKAYUKI</au><au>NUMAO SADAO</au><au>MIURA SHINJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MEASURING INSTRUMENT BY MAKING USE OF DOPPLER EFFECT</title><date>1994-04-22</date><risdate>1994</risdate><abstract>PURPOSE:To calibrate the title instrument with high accuracy by a method wherein a mode changeover means which changes over between a measuring mode and a calibration mode is provided, a reference frequency signal for calibration is input to a frequency/voltage conversion means and the signal is compensated according to a deviation from a proper value. CONSTITUTION:In a calibration mode, a range is selected by a range selection switch SW3a. The SW3a is interlocked with a range changeover switch 231 and with an output frequency from a first transmitter 31. The switch 231 is changed over to a target range according to a range selected by the SW3a, and a reference frequency generated by the transmitter 31 is changed over to a frequency corresponding to it. A compensation-voltage generation circuit 38 is provided with a buffer amplifier A5 and a differential amplifier A4, and the reference signal is input to a negative-side input terminal for the amplifier A4 via the amplifier A5. A compensation reference voltage is applied to the positive-side input terminal for the amplifier A4. Consequently, the difference between the compensation reference voltage and an analog voltage is output from the amplifier A4 as a compensation voltage.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES 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 TESTING |
| title | MEASURING INSTRUMENT BY MAKING USE OF DOPPLER EFFECT |
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