A self-powered interface circuit for use with a transducer sensor
An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that receives an excitation power signal generated by the patient monitor, and derives therefrom unregulated...
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| creator | RAYNES, JOHN W ALTMAN, GARY |
| description | An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that receives an excitation power signal generated by the patient monitor, and derives therefrom unregulated and regulated supply voltages for use by the electrical components on the interface circuit. Also generated by the power supply circuit is an appropriate sensor excitation signal for the semiconductor transducer. In another embodiment, the interface circuit further includes receiving circuitry for receiving a sensor output signal generated by the transducer sensor. A scaling circuit then scales that signal into a parameter signal that is proportional to the physiological condition detected by the sensor, and that is also proportional to the excitation power signal generated by the patient monitor. If necessary, the interface circuit further includes isolation circuitry, for electrically isolating the transducer sensor from the patient monitor. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_EP0712603A2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>EP0712603A2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_EP0712603A23</originalsourceid><addsrcrecordid>eNrjZHB0VChOzUnTLcgvTy1KTVHIzCtJLUpLTE5VSM4sSi7NLFFIyy9SKC1OVSjPLMlQSFQoKUrMK04pTU4tAmrMK84v4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFQLPyUkviXQMMzA2NzAyMHY2MiVACAIV2MRA</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>A self-powered interface circuit for use with a transducer sensor</title><source>esp@cenet</source><creator>RAYNES, JOHN W ; ALTMAN, GARY</creator><creatorcontrib>RAYNES, JOHN W ; ALTMAN, GARY</creatorcontrib><description>An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that receives an excitation power signal generated by the patient monitor, and derives therefrom unregulated and regulated supply voltages for use by the electrical components on the interface circuit. Also generated by the power supply circuit is an appropriate sensor excitation signal for the semiconductor transducer. In another embodiment, the interface circuit further includes receiving circuitry for receiving a sensor output signal generated by the transducer sensor. A scaling circuit then scales that signal into a parameter signal that is proportional to the physiological condition detected by the sensor, and that is also proportional to the excitation power signal generated by the patient monitor. If necessary, the interface circuit further includes isolation circuitry, for electrically isolating the transducer sensor from the patient monitor.</description><edition>6</edition><language>eng ; fre ; ger</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DIAGNOSIS ; ELECTRICITY ; GENERATION ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; MEASURING ; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE ; MEDICAL OR VETERINARY SCIENCE ; PHYSICS ; SURGERY ; TESTING</subject><creationdate>1996</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=19960522&DB=EPODOC&CC=EP&NR=0712603A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76419</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19960522&DB=EPODOC&CC=EP&NR=0712603A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RAYNES, JOHN W</creatorcontrib><creatorcontrib>ALTMAN, GARY</creatorcontrib><title>A self-powered interface circuit for use with a transducer sensor</title><description>An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that receives an excitation power signal generated by the patient monitor, and derives therefrom unregulated and regulated supply voltages for use by the electrical components on the interface circuit. Also generated by the power supply circuit is an appropriate sensor excitation signal for the semiconductor transducer. In another embodiment, the interface circuit further includes receiving circuitry for receiving a sensor output signal generated by the transducer sensor. A scaling circuit then scales that signal into a parameter signal that is proportional to the physiological condition detected by the sensor, and that is also proportional to the excitation power signal generated by the patient monitor. If necessary, the interface circuit further includes isolation circuitry, for electrically isolating the transducer sensor from the patient monitor.</description><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</subject><subject>CONTROL OR REGULATION THEREOF</subject><subject>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>DIAGNOSIS</subject><subject>ELECTRICITY</subject><subject>GENERATION</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>IDENTIFICATION</subject><subject>MEASURING</subject><subject>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>PHYSICS</subject><subject>SURGERY</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHB0VChOzUnTLcgvTy1KTVHIzCtJLUpLTE5VSM4sSi7NLFFIyy9SKC1OVSjPLMlQSFQoKUrMK04pTU4tAmrMK84v4mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFQLPyUkviXQMMzA2NzAyMHY2MiVACAIV2MRA</recordid><startdate>19960522</startdate><enddate>19960522</enddate><creator>RAYNES, JOHN W</creator><creator>ALTMAN, GARY</creator><scope>EVB</scope></search><sort><creationdate>19960522</creationdate><title>A self-powered interface circuit for use with a transducer sensor</title><author>RAYNES, JOHN W ; ALTMAN, GARY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0712603A23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1996</creationdate><topic>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS</topic><topic>CONTROL OR REGULATION THEREOF</topic><topic>CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>DIAGNOSIS</topic><topic>ELECTRICITY</topic><topic>GENERATION</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>IDENTIFICATION</topic><topic>MEASURING</topic><topic>MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>PHYSICS</topic><topic>SURGERY</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>RAYNES, JOHN W</creatorcontrib><creatorcontrib>ALTMAN, GARY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>RAYNES, JOHN W</au><au>ALTMAN, GARY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>A self-powered interface circuit for use with a transducer sensor</title><date>1996-05-22</date><risdate>1996</risdate><abstract>An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that receives an excitation power signal generated by the patient monitor, and derives therefrom unregulated and regulated supply voltages for use by the electrical components on the interface circuit. Also generated by the power supply circuit is an appropriate sensor excitation signal for the semiconductor transducer. In another embodiment, the interface circuit further includes receiving circuitry for receiving a sensor output signal generated by the transducer sensor. A scaling circuit then scales that signal into a parameter signal that is proportional to the physiological condition detected by the sensor, and that is also proportional to the excitation power signal generated by the patient monitor. If necessary, the interface circuit further includes isolation circuitry, for electrically isolating the transducer sensor from the patient monitor.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DIAGNOSIS ELECTRICITY GENERATION HUMAN NECESSITIES HYGIENE IDENTIFICATION MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TESTING |
| title | A self-powered interface circuit for use with a transducer sensor |
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