Supply circuit in a communication system of a protective head covering
A supply circuit 28 in a communication system of a protective head covering (fig. 1) supplies the communication system from an energy source 30, 32 associated with the protective head covering and comprises a step-up converter 44. A voltage limiting facility 60 may be arranged on the output side, an...
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| creator | HENNING RITTER ERIK DEIER ACHIM VOLMER |
| description | A supply circuit 28 in a communication system of a protective head covering (fig. 1) supplies the communication system from an energy source 30, 32 associated with the protective head covering and comprises a step-up converter 44. A voltage limiting facility 60 may be arranged on the output side, and may comprise at least one Zener diode 62. At least one inverse diode 56 may be arranged on the input side. The step-up converter may comprise an inductive coil 46 (L1), an electronic switching element (SW), such as a MOSFET 48, a capacitor 50 (C1), and a free-wheeling diode 52 (D1). The switching element may be connected to a centre tap between the coil and the free-wheeling diode. The supply circuit may comprise a plurality of individually resistively protected tap points 54, 66 for tapping a respective output voltage. The supply circuit may be embedded in a casting medium for encapsulation. The protective head covering may be a face or full-face mask , a protective respiratory mask, helmet or escape hood, such as used by the fire brigade. |
| format | Patent |
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A voltage limiting facility 60 may be arranged on the output side, and may comprise at least one Zener diode 62. At least one inverse diode 56 may be arranged on the input side. The step-up converter may comprise an inductive coil 46 (L1), an electronic switching element (SW), such as a MOSFET 48, a capacitor 50 (C1), and a free-wheeling diode 52 (D1). The switching element may be connected to a centre tap between the coil and the free-wheeling diode. The supply circuit may comprise a plurality of individually resistively protected tap points 54, 66 for tapping a respective output voltage. The supply circuit may be embedded in a casting medium for encapsulation. The protective head covering may be a face or full-face mask , a protective respiratory mask, helmet or escape hood, such as used by the fire brigade.</description><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 ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; FIRE-FIGHTING ; GENERATION ; HATS ; HEAD COVERINGS ; HEADWEAR ; HUMAN NECESSITIES ; LIFE-SAVING ; TRANSMISSION</subject><creationdate>2014</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=20140416&DB=EPODOC&CC=GB&NR=2506960A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140416&DB=EPODOC&CC=GB&NR=2506960A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HENNING RITTER</creatorcontrib><creatorcontrib>ERIK DEIER</creatorcontrib><creatorcontrib>ACHIM VOLMER</creatorcontrib><title>Supply circuit in a communication system of a protective head covering</title><description>A supply circuit 28 in a communication system of a protective head covering (fig. 1) supplies the communication system from an energy source 30, 32 associated with the protective head covering and comprises a step-up converter 44. A voltage limiting facility 60 may be arranged on the output side, and may comprise at least one Zener diode 62. At least one inverse diode 56 may be arranged on the input side. The step-up converter may comprise an inductive coil 46 (L1), an electronic switching element (SW), such as a MOSFET 48, a capacitor 50 (C1), and a free-wheeling diode 52 (D1). The switching element may be connected to a centre tap between the coil and the free-wheeling diode. The supply circuit may comprise a plurality of individually resistively protected tap points 54, 66 for tapping a respective output voltage. The supply circuit may be embedded in a casting medium for encapsulation. The protective head covering may be a face or full-face mask , a protective respiratory mask, helmet or escape hood, such as used by the fire brigade.</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>DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING</subject><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>FIRE-FIGHTING</subject><subject>GENERATION</subject><subject>HATS</subject><subject>HEAD COVERINGS</subject><subject>HEADWEAR</subject><subject>HUMAN NECESSITIES</subject><subject>LIFE-SAVING</subject><subject>TRANSMISSION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHALLi0oyKlUSM4sSi7NLFHIzFNIVEjOz80tzctMTizJzM9TKK4sLknNVchPA8oUFOWXpCaXZJalKmSkJqYAVZalFmXmpfMwsKYl5hSn8kJpbgZ5N9cQZw_d1IL8-NTigsTk1LzUknh3JyNTAzNLMwNHY8IqAHKuMs4</recordid><startdate>20140416</startdate><enddate>20140416</enddate><creator>HENNING RITTER</creator><creator>ERIK DEIER</creator><creator>ACHIM VOLMER</creator><scope>EVB</scope></search><sort><creationdate>20140416</creationdate><title>Supply circuit in a communication system of a protective head covering</title><author>HENNING RITTER ; ERIK DEIER ; ACHIM VOLMER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2506960A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</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>DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>FIRE-FIGHTING</topic><topic>GENERATION</topic><topic>HATS</topic><topic>HEAD COVERINGS</topic><topic>HEADWEAR</topic><topic>HUMAN NECESSITIES</topic><topic>LIFE-SAVING</topic><topic>TRANSMISSION</topic><toplevel>online_resources</toplevel><creatorcontrib>HENNING RITTER</creatorcontrib><creatorcontrib>ERIK DEIER</creatorcontrib><creatorcontrib>ACHIM VOLMER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HENNING RITTER</au><au>ERIK DEIER</au><au>ACHIM VOLMER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Supply circuit in a communication system of a protective head covering</title><date>2014-04-16</date><risdate>2014</risdate><abstract>A supply circuit 28 in a communication system of a protective head covering (fig. 1) supplies the communication system from an energy source 30, 32 associated with the protective head covering and comprises a step-up converter 44. A voltage limiting facility 60 may be arranged on the output side, and may comprise at least one Zener diode 62. At least one inverse diode 56 may be arranged on the input side. The step-up converter may comprise an inductive coil 46 (L1), an electronic switching element (SW), such as a MOSFET 48, a capacitor 50 (C1), and a free-wheeling diode 52 (D1). The switching element may be connected to a centre tap between the coil and the free-wheeling diode. The supply circuit may comprise a plurality of individually resistively protected tap points 54, 66 for tapping a respective output voltage. The supply circuit may be embedded in a casting medium for encapsulation. The protective head covering may be a face or full-face mask , a protective respiratory mask, helmet or escape hood, such as used by the fire brigade.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIRE-FIGHTING GENERATION HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES LIFE-SAVING TRANSMISSION |
| title | Supply circuit in a communication system of a protective head covering |
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