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239000011253 protective coating Substances 0.000 claims description 4.230000005684 electric field Effects 0.000 claims abstract description 8.Assignors: DEUTSCHE BANK AG NEW YORK BRANCH Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Assigned to DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT reassignment DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: INTEVA PRODUCTS, LLC Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION SECURITY AGREEMENT Assignors: INTEVA PRODUCTS, LLC Assigned to INTEVA PRODUCTS, LLC reassignment INTEVA PRODUCTS, LLC RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: INTEVA PRODUCTS, LLC Assigned to CYMER, LLC reassignment CYMER, LLC MERGER (SEE DOCUMENT FOR DETAILS). Assigned to WACHOVIA BANK, NATIONAL ASSOCIATION reassignment WACHOVIA BANK, NATIONAL ASSOCIATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assigned to INTEVA PRODUCTS, LLC reassignment INTEVA PRODUCTS, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BIANCHINI, EMANUELE Publication of US20020076061A1 publication Critical patent/US20020076061A1/en Application granted granted Critical Publication of US6639988B2 publication Critical patent/US6639988B2/en Assigned to CYMER, INC.
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reassignment ACTIVE CONTROL EXPERTS, INC. Assignors: BRACE, DAVID J., ASHTIANI, MANSOUR, SCHEIB, CHARLES J. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US22983700P priority Critical Application filed by Active Control Experts Inc, Delphi Technologies Inc filed Critical Active Control Experts Inc Priority to US09/930,096 priority patent/US6639988B2/en Assigned to DELPHI TECHNOLOGIES, INC.
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Original Assignee Active Control Experts Inc Delphi Technologies Inc 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.) ( en Inventor Mansour Ashtiani Charles Scheib Emanuele Bianchini David Brace Current Assignee (The listed assignees may be inaccurate.
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Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US09/930,096 Other versions US6639988B2
#Piezo speakers pdf
Google Patents Piezo integrated flat speakers for automotive interior panelsÄownload PDF Info Publication number US20020076061A1 US20020076061A1 US09/930,096 US93009601A US2002076061A1 US 20020076061 A1 US20020076061 A1 US 20020076061A1 US 93009601 A US93009601 A US 93009601A US 2002076061 A1 US2002076061 A1 US 2002076061A1 Authority US United States Prior art keywords piezo piezoelectric element speaker area instrument panel bimorph Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20020076061A1 - Piezo integrated flat speakers for automotive interior panels US20020076061A1 - Piezo integrated flat speakers for automotive interior panels