229910052751 metal Inorganic materials 0.000 description 2.238000004519 manufacturing process Methods 0.000 description 2.239000003302 ferromagnetic material Substances 0.000 description 2.238000007906 compression Methods 0.000 abstract description 4.230000005291 magnetic Effects 0.000 abstract description 6.229910002113 barium titanate Inorganic materials 0.000 abstract description 8.()() JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 abstract description 8 JRPBQTZRNDNNOP-UHFFFAOYSA-N Barium titanate Chemical compound.239000000463 material Substances 0.000 abstract description 10.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from DT2324230 external-priority Priority claimed from DE19732324228 external-priority patent/DE2324228A1/en Priority claimed from DE19732324230 external-priority patent/DE2324230A1/en Priority claimed from DE19732341523 external-priority patent/DE2341523A1/en Priority claimed from DE19732341475 external-priority patent/DE2341475A1/en Application filed by Braun GmbH filed Critical Braun GmbH Application granted granted Critical Publication of US3984738A publication Critical patent/US3984738A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Braun GmbH Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/469,747 Inventor Walter Mohr Current Assignee (The listed assignees may be inaccurate. Google Patents Piezoelectric igniter for lightersÄownload PDF Info Publication number US3984738A US3984738A US05/469,747 US46974774A US3984738A US 3984738 A US3984738 A US 3984738A US 46974774 A US46974774 A US 46974774A US 3984738 A US3984738 A US 3984738A Authority US United States Prior art keywords housing hammer spring piezoelectric transducer piezoelectric Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US3984738A - Piezoelectric igniter for lighters US3984738A - Piezoelectric igniter for lighters
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