CIRCUIT FOR OPERATING A LOAD IN RESPONSE TO PREDETERMINED CONDUCTIVITY CONDITIONS
A circuit for operating a load in response to predetermined external conductivity conditions including a pair of sensing electrodes, a source of electrical energy connected to one of the electrodes, a load, an operating circuit connected to the load, to the source and to the other of the sensing ele...
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| creator | FRANCIS M MILLER |
| description | A circuit for operating a load in response to predetermined external conductivity conditions including a pair of sensing electrodes, a source of electrical energy connected to one of the electrodes, a load, an operating circuit connected to the load, to the source and to the other of the sensing electrodes and including a first portion for storing electrical energy for operating the load and a second portion utilizing the stored energy to operate the load, and a control for allowing operation of only the first circuit portion when the sensing electrodes are exposed to a first medium having a predetermined electrical conductivity and then allowing operation of the second portion thereafter and when the sensing electrodes are exposed to a second medium having a different electrical conductivity. The control and its connection in the circuit are determined so as to be responsive to the first medium being of higher electrical conductivity than the second medium, for example water being the first medium and air the second. The load can be an electro-explosive device of an automatic release mechanism for an aviator helmet. |
| format | Patent |
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The control and its connection in the circuit are determined so as to be responsive to the first medium being of higher electrical conductivity than the second medium, for example water being the first medium and air the second. The load can be an electro-explosive device of an automatic release mechanism for an aviator helmet.</description><edition>4</edition><language>eng</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 ; DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING ; ELECTRICITY ; FIRE-FIGHTING ; GENERATION ; HUMAN NECESSITIES ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; LIFE-SAVING ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>1988</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=19880511&DB=EPODOC&CC=GB&NR=2197141A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19880511&DB=EPODOC&CC=GB&NR=2197141A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FRANCIS M MILLER</creatorcontrib><title>CIRCUIT FOR OPERATING A LOAD IN RESPONSE TO PREDETERMINED CONDUCTIVITY CONDITIONS</title><description>A circuit for operating a load in response to predetermined external conductivity conditions including a pair of sensing electrodes, a source of electrical energy connected to one of the electrodes, a load, an operating circuit connected to the load, to the source and to the other of the sensing electrodes and including a first portion for storing electrical energy for operating the load and a second portion utilizing the stored energy to operate the load, and a control for allowing operation of only the first circuit portion when the sensing electrodes are exposed to a first medium having a predetermined electrical conductivity and then allowing operation of the second portion thereafter and when the sensing electrodes are exposed to a second medium having a different electrical conductivity. The control and its connection in the circuit are determined so as to be responsive to the first medium being of higher electrical conductivity than the second medium, for example water being the first medium and air the second. 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The control and its connection in the circuit are determined so as to be responsive to the first medium being of higher electrical conductivity than the second medium, for example water being the first medium and air the second. The load can be an electro-explosive device of an automatic release mechanism for an aviator helmet.</abstract><edition>4</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_GB2197141A |
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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 DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING ELECTRICITY FIRE-FIGHTING GENERATION HUMAN NECESSITIES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIFE-SAVING MEASURING PHYSICS TESTING |
| title | CIRCUIT FOR OPERATING A LOAD IN RESPONSE TO PREDETERMINED CONDUCTIVITY CONDITIONS |
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