TIME VALID GAIN CONTROL SYSTEM CORRESPONDING DOUBLE PULSE
PURPOSE:To improve the reception accuracy of a time variation gain control system by processing a 2nd response signal corresponding to depth with the same gain as that at the time of the reception of a 1st response signal corresponding to a distance. CONSTITUTION:An interrogation signal S is inputte...
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| creator | ITAKAWA YOSHIKI |
| description | PURPOSE:To improve the reception accuracy of a time variation gain control system by processing a 2nd response signal corresponding to depth with the same gain as that at the time of the reception of a 1st response signal corresponding to a distance. CONSTITUTION:An interrogation signal S is inputted to a transmitting circuit 21, the latch terminal L of a latch circuit 26, and the reset terminal R of a counter 25 and also converted into an interrogation signal Sa, which is sent in the sea by a transmitter 22. When a transponder 30 receives the signal Sa, said transponder 30 sends back a 1st signal Sb1 corresponding to the distance and sends a 2nd signal with time delay corresponding to the depth. When a receiver 23 receives the signal Sb1, said receiver 23 outputs it to a terminal L and then the counter 25 holds its numeral and outputs a time variation gain control signal output S26 to a receiving circuit 24. The circuit 24 amplifies the signals Sb1 and Sb2 according to the gain and supplies the amplified signals to a signal processing circuit. |
| format | Patent |
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CONSTITUTION:An interrogation signal S is inputted to a transmitting circuit 21, the latch terminal L of a latch circuit 26, and the reset terminal R of a counter 25 and also converted into an interrogation signal Sa, which is sent in the sea by a transmitter 22. When a transponder 30 receives the signal Sa, said transponder 30 sends back a 1st signal Sb1 corresponding to the distance and sends a 2nd signal with time delay corresponding to the depth. When a receiver 23 receives the signal Sb1, said receiver 23 outputs it to a terminal L and then the counter 25 holds its numeral and outputs a time variation gain control signal output S26 to a receiving circuit 24. The circuit 24 amplifies the signals Sb1 and Sb2 according to the gain and supplies the amplified signals to a signal processing circuit.</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; TESTING</subject><creationdate>1989</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=19891016&DB=EPODOC&CC=JP&NR=H01259282A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19891016&DB=EPODOC&CC=JP&NR=H01259282A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ITAKAWA YOSHIKI</creatorcontrib><title>TIME VALID GAIN CONTROL SYSTEM CORRESPONDING DOUBLE PULSE</title><description>PURPOSE:To improve the reception accuracy of a time variation gain control system by processing a 2nd response signal corresponding to depth with the same gain as that at the time of the reception of a 1st response signal corresponding to a distance. CONSTITUTION:An interrogation signal S is inputted to a transmitting circuit 21, the latch terminal L of a latch circuit 26, and the reset terminal R of a counter 25 and also converted into an interrogation signal Sa, which is sent in the sea by a transmitter 22. When a transponder 30 receives the signal Sa, said transponder 30 sends back a 1st signal Sb1 corresponding to the distance and sends a 2nd signal with time delay corresponding to the depth. When a receiver 23 receives the signal Sb1, said receiver 23 outputs it to a terminal L and then the counter 25 holds its numeral and outputs a time variation gain control signal output S26 to a receiving circuit 24. 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CONSTITUTION:An interrogation signal S is inputted to a transmitting circuit 21, the latch terminal L of a latch circuit 26, and the reset terminal R of a counter 25 and also converted into an interrogation signal Sa, which is sent in the sea by a transmitter 22. When a transponder 30 receives the signal Sa, said transponder 30 sends back a 1st signal Sb1 corresponding to the distance and sends a 2nd signal with time delay corresponding to the depth. When a receiver 23 receives the signal Sb1, said receiver 23 outputs it to a terminal L and then the counter 25 holds its numeral and outputs a time variation gain control signal output S26 to a receiving circuit 24. The circuit 24 amplifies the signals Sb1 and Sb2 according to the gain and supplies the amplified signals to a signal processing circuit.</abstract><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 LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | TIME VALID GAIN CONTROL SYSTEM CORRESPONDING DOUBLE PULSE |
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