Search

David H Malzahn

Examiner (ID: 9212, Phone: (571)272-3727 , Office: P/2182 )

Most Active Art Unit
2193
Art Unit(s)
2787, 2124, 2301, 2182, 2302, 2306, 2307, 2121, 2193, 2183, 2786
Total Applications
3174
Issued Applications
2742
Pending Applications
60
Abandoned Applications
371

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7248115 [patent_doc_number] => 20050141723 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-30 [patent_title] => '3D audio signal processing system using rigid sphere and method thereof' [patent_app_type] => utility [patent_app_number] => 10/972029 [patent_app_country] => US [patent_app_date] => 2004-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4617 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0141/20050141723.pdf [firstpage_image] =>[orig_patent_app_number] => 10972029 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/972029
3D audio signal processing system using rigid sphere and method thereof Oct 21, 2004 Issued
Array ( [id] => 7158160 [patent_doc_number] => 20050084116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-21 [patent_title] => 'Detecting acoustic echoes using microphone arrays' [patent_app_type] => utility [patent_app_number] => 10/971213 [patent_app_country] => US [patent_app_date] => 2004-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2227 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0084/20050084116.pdf [firstpage_image] =>[orig_patent_app_number] => 10971213 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/971213
Detecting acoustic echoes using microphone arrays Oct 20, 2004 Issued
Array ( [id] => 4505863 [patent_doc_number] => 07949141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-24 [patent_title] => 'Processing audio signals with head related transfer function filters and a reverberator' [patent_app_type] => utility [patent_app_number] => 10/970123 [patent_app_country] => US [patent_app_date] => 2004-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7110 [patent_no_of_claims] => 52 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/949/07949141.pdf [firstpage_image] =>[orig_patent_app_number] => 10970123 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/970123
Processing audio signals with head related transfer function filters and a reverberator Oct 20, 2004 Issued
Array ( [id] => 7126552 [patent_doc_number] => 20050058296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Radio receiver' [patent_app_type] => utility [patent_app_number] => 10/968956 [patent_app_country] => US [patent_app_date] => 2004-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3200 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0058/20050058296.pdf [firstpage_image] =>[orig_patent_app_number] => 10968956 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/968956
Radio receiver Oct 20, 2004 Abandoned
Array ( [id] => 197681 [patent_doc_number] => 07636446 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-12-22 [patent_title] => 'State machine enabling auto-recovery of short-circuited class D audio amplifiers' [patent_app_type] => utility [patent_app_number] => 10/969103 [patent_app_country] => US [patent_app_date] => 2004-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2370 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/636/07636446.pdf [firstpage_image] =>[orig_patent_app_number] => 10969103 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/969103
State machine enabling auto-recovery of short-circuited class D audio amplifiers Oct 18, 2004 Issued
Array ( [id] => 7135155 [patent_doc_number] => 20050180523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Wireless digital signal transmission method' [patent_app_type] => utility [patent_app_number] => 10/970055 [patent_app_country] => US [patent_app_date] => 2004-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2457 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0180/20050180523.pdf [firstpage_image] =>[orig_patent_app_number] => 10970055 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/970055
Wireless digital signal transmission method Oct 18, 2004 Abandoned
Array ( [id] => 275533 [patent_doc_number] => 07561703 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Audio system, audio apparatus, and method for performing audio signal output processing' [patent_app_type] => utility [patent_app_number] => 10/968470 [patent_app_country] => US [patent_app_date] => 2004-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 5569 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/561/07561703.pdf [firstpage_image] =>[orig_patent_app_number] => 10968470 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/968470
Audio system, audio apparatus, and method for performing audio signal output processing Oct 18, 2004 Issued
Array ( [id] => 6990141 [patent_doc_number] => 20050089178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-28 [patent_title] => 'Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system' [patent_app_type] => utility [patent_app_number] => 10/967529 [patent_app_country] => US [patent_app_date] => 2004-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 10314 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20050089178.pdf [firstpage_image] =>[orig_patent_app_number] => 10967529 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/967529
Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system Oct 17, 2004 Issued
Array ( [id] => 6977014 [patent_doc_number] => 20050286730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-29 [patent_title] => 'Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges' [patent_app_type] => utility [patent_app_number] => 10/966982 [patent_app_country] => US [patent_app_date] => 2004-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3127 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0286/20050286730.pdf [firstpage_image] =>[orig_patent_app_number] => 10966982 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/966982
Loudspeaker system providing improved sound presence and frequency response in mid and high frequency ranges Oct 14, 2004 Issued
Array ( [id] => 5812513 [patent_doc_number] => 20060083384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-20 [patent_title] => 'Amplitude and phase compensator for BTSC encoder' [patent_app_type] => utility [patent_app_number] => 10/966877 [patent_app_country] => US [patent_app_date] => 2004-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7693 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0083/20060083384.pdf [firstpage_image] =>[orig_patent_app_number] => 10966877 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/966877
Amplitude and phase compensator for BTSC encoder Oct 14, 2004 Abandoned
Array ( [id] => 323954 [patent_doc_number] => 07519195 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-14 [patent_title] => 'Sound system for industrial tool chests' [patent_app_type] => utility [patent_app_number] => 10/946699 [patent_app_country] => US [patent_app_date] => 2004-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4094 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 433 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/519/07519195.pdf [firstpage_image] =>[orig_patent_app_number] => 10946699 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/946699
Sound system for industrial tool chests Sep 21, 2004 Issued
Array ( [id] => 5826161 [patent_doc_number] => 20060062407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-23 [patent_title] => 'Sound card having feedback calibration loop' [patent_app_type] => utility [patent_app_number] => 10/947086 [patent_app_country] => US [patent_app_date] => 2004-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3390 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20060062407.pdf [firstpage_image] =>[orig_patent_app_number] => 10947086 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/947086
Sound card having feedback calibration loop Sep 21, 2004 Abandoned
Array ( [id] => 8205544 [patent_doc_number] => 08189818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-05-29 [patent_title] => 'Electronic apparatus capable of always executing proper noise canceling regardless of display screen state, and voice input method for the apparatus' [patent_app_type] => utility [patent_app_number] => 10/944871 [patent_app_country] => US [patent_app_date] => 2004-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3294 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/189/08189818.pdf [firstpage_image] =>[orig_patent_app_number] => 10944871 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/944871
Electronic apparatus capable of always executing proper noise canceling regardless of display screen state, and voice input method for the apparatus Sep 20, 2004 Issued
Array ( [id] => 26712 [patent_doc_number] => 07796764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-09-14 [patent_title] => 'Method and device for reproducing a binaural output signal generated from a monaural input signal' [patent_app_type] => utility [patent_app_number] => 10/945789 [patent_app_country] => US [patent_app_date] => 2004-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3687 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/796/07796764.pdf [firstpage_image] =>[orig_patent_app_number] => 10945789 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/945789
Method and device for reproducing a binaural output signal generated from a monaural input signal Sep 20, 2004 Issued
Array ( [id] => 5826168 [patent_doc_number] => 20060062414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-23 [patent_title] => 'Loudspeaker rotary mechanism attached to a display' [patent_app_type] => utility [patent_app_number] => 10/944187 [patent_app_country] => US [patent_app_date] => 2004-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1295 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20060062414.pdf [firstpage_image] =>[orig_patent_app_number] => 10944187 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/944187
Loudspeaker rotary mechanism attached to a display Sep 19, 2004 Abandoned
Array ( [id] => 5719994 [patent_doc_number] => 20060072767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-06 [patent_title] => 'Method and apparatus for multi-sensory speech enhancement' [patent_app_type] => utility [patent_app_number] => 10/944235 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6410 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20060072767.pdf [firstpage_image] =>[orig_patent_app_number] => 10944235 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/944235
Method and apparatus for multi-sensory speech enhancement Sep 16, 2004 Issued
Array ( [id] => 8872169 [patent_doc_number] => 08467552 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-18 [patent_title] => 'Asymmetric HRTF/ITD storage for 3D sound positioning' [patent_app_type] => utility [patent_app_number] => 10/943516 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3236 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 10943516 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/943516
Asymmetric HRTF/ITD storage for 3D sound positioning Sep 16, 2004 Issued
Array ( [id] => 7128160 [patent_doc_number] => 20050059904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Device and method for determining a hearing range' [patent_app_type] => utility [patent_app_number] => 10/944592 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1299 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0059/20050059904.pdf [firstpage_image] =>[orig_patent_app_number] => 10944592 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/944592
Device and method for determining a hearing range Sep 16, 2004 Abandoned
Array ( [id] => 7009834 [patent_doc_number] => 20050063550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-24 [patent_title] => 'Sound image localization setting apparatus, method and program' [patent_app_type] => utility [patent_app_number] => 10/943422 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7187 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0063/20050063550.pdf [firstpage_image] =>[orig_patent_app_number] => 10943422 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/943422
Sound image localization setting apparatus, method and program Sep 16, 2004 Abandoned
Array ( [id] => 6965544 [patent_doc_number] => 20050232441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-20 [patent_title] => 'Method for optimal microphone array design under uniform acoustic coupling constraints' [patent_app_type] => utility [patent_app_number] => 10/941961 [patent_app_country] => US [patent_app_date] => 2004-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2605 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0232/20050232441.pdf [firstpage_image] =>[orig_patent_app_number] => 10941961 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/941961
Method for optimal microphone array design under uniform acoustic coupling constraints Sep 15, 2004 Issued
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