Xu Mei

Array ( [id] => 18881240 [patent_doc_number] => 20240004609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => NOISE CLASSIFICATION FOR EVENT DETECTION [patent_app_type] => utility [patent_app_number] => 18/331580 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22480 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18331580 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18934336 [patent_doc_number] => 11886770 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Audio content selection and playback [patent_app_type] => utility [patent_app_number] => 18/330900 [patent_app_country] => US [patent_app_date] => 2023-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 11335 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18330900 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19485195 [patent_doc_number] => 20240333237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => SINGLE POWER AMPLIFIER-DRIVEN SIGNAL CONTROL SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/330325 [patent_app_country] => US [patent_app_date] => 2023-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18330325 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19109161 [patent_doc_number] => 11962279 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Audio control using auditory event detection [patent_app_type] => utility [patent_app_number] => 18/327585 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 10589 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327585 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19605634 [patent_doc_number] => 20240396514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => SYSTEM AND METHOD FOR MULTI-BAND LIMITER WITH MULTIPLE FREQUENCY RANGE [patent_app_type] => utility [patent_app_number] => 18/202664 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202664 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19966170 [patent_doc_number] => 12335699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => System for generating a drive signal and method for generating a drive signal [patent_app_type] => utility [patent_app_number] => 18/323395 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323395 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20457011 [patent_doc_number] => 12520080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Audio processing based on target signal-to-noise ratio [patent_app_type] => utility [patent_app_number] => 18/323176 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 15557 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323176 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20457011 [patent_doc_number] => 12520080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Audio processing based on target signal-to-noise ratio [patent_app_type] => utility [patent_app_number] => 18/323176 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 15557 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323176 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20457011 [patent_doc_number] => 12520080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Audio processing based on target signal-to-noise ratio [patent_app_type] => utility [patent_app_number] => 18/323176 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 15557 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323176 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19377610 [patent_doc_number] => 12069201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Method for adjusting parameter of audio service and terminal [patent_app_type] => utility [patent_app_number] => 18/317661 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 7407 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18317661 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19980747 [patent_doc_number] => 12348238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Sensor assembly with interface circuit voltage control [patent_app_type] => utility [patent_app_number] => 18/144612 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144612 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18615458 [patent_doc_number] => 20230282195 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Methods and Systems for Modifying Acoustics of a Loudspeaker Back Enclosure Using Active Noise Control [patent_app_type] => utility [patent_app_number] => 18/144308 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18144308 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18790721 [patent_doc_number] => 20230379625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => ADAPTIVE RESONANCE-CONTROLLED AUDIO SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/136862 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18136862 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19315605 [patent_doc_number] => 12041438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Location based audio signal message processing [patent_app_type] => utility [patent_app_number] => 18/134567 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 11128 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134567 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20417913 [patent_doc_number] => 12501214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Audio system [patent_app_type] => utility [patent_app_number] => 18/132616 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 7378 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18132616 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19485199 [patent_doc_number] => 20240333241 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => GAIN CONTROL OF AUDIO DATA USING HARDWARE ACCELERATORS [patent_app_type] => utility [patent_app_number] => 18/194065 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18194065 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18534542 [patent_doc_number] => 20230239621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => SIGNAL PROCESSING SYSTEM, SIGNAL PROCESSING DEVICE, AND SIGNAL PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 18/191036 [patent_app_country] => US [patent_app_date] => 2023-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18191036 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19874196 [patent_doc_number] => 12267072 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Electronic device and method for audio signal processing [patent_app_type] => utility [patent_app_number] => 18/125331 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5315 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125331 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19874196 [patent_doc_number] => 12267072 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Electronic device and method for audio signal processing [patent_app_type] => utility [patent_app_number] => 18/125331 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5315 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18125331 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20118701 [patent_doc_number] => 12368423 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Multichannel audio enhancement, decoding, and rendering in response to feedback [patent_app_type] => utility [patent_app_number] => 18/123070 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 15303 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18123070 [rel_patent_id] =>[rel_patent_doc_number] =>)