Search

Charles J Han

Examiner (ID: 5542, Phone: (571)270-3980 , Office: P/3662 )

Most Active Art Unit
3662
Art Unit(s)
3662, 3665
Total Applications
413
Issued Applications
245
Pending Applications
47
Abandoned Applications
121

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18549445 [patent_doc_number] => 11722813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Situational awareness, communication, and safety for hearing protection devices [patent_app_type] => utility [patent_app_number] => 17/177929 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 14214 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17177929 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/177929
Situational awareness, communication, and safety for hearing protection devices Feb 16, 2021 Issued
Array ( [id] => 16859863 [patent_doc_number] => 20210160608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => VIBRATION REMOVAL APPARATUS AND METHOD FOR DUAL-MICROPHONE EARPHONES [patent_app_type] => utility [patent_app_number] => 17/169816 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17169816 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/169816
Vibration removal apparatus and method for dual-microphone earphones Feb 7, 2021 Issued
Array ( [id] => 18001554 [patent_doc_number] => 11502671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Digital pulse-width modulation (PWM) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (THDN) [patent_app_type] => utility [patent_app_number] => 17/162950 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4349 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17162950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/162950
Digital pulse-width modulation (PWM) modulator with dynamically switchable code set for reduced total harmonic distortion and noise (THDN) Jan 28, 2021 Issued
Array ( [id] => 18248797 [patent_doc_number] => 11605393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Audio cancellation for voice recognition [patent_app_type] => utility [patent_app_number] => 17/158312 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 22520 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17158312 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/158312
Audio cancellation for voice recognition Jan 25, 2021 Issued
Array ( [id] => 18149602 [patent_doc_number] => 20230023459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => CABLE COMPACTION SYSTEM FOR PROTECTIVE PERSONAL EQUIPMENT [patent_app_type] => utility [patent_app_number] => 17/758426 [patent_app_country] => US [patent_app_date] => 2021-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3636 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17758426 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758426
CABLE COMPACTION SYSTEM FOR PROTECTIVE PERSONAL EQUIPMENT Jan 13, 2021 Pending
Array ( [id] => 18465546 [patent_doc_number] => 11689852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Audio rendering system [patent_app_type] => utility [patent_app_number] => 17/143103 [patent_app_country] => US [patent_app_date] => 2021-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 16083 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17143103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/143103
Audio rendering system Jan 5, 2021 Issued
Array ( [id] => 16797384 [patent_doc_number] => 20210127203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => PEAK CURRENT LIMITER [patent_app_type] => utility [patent_app_number] => 17/139902 [patent_app_country] => US [patent_app_date] => 2020-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17139902 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/139902
Peak current limiter Dec 30, 2020 Issued
Array ( [id] => 18053834 [patent_doc_number] => 11527224 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-13 [patent_title] => Combination guitar holder and amplifier [patent_app_type] => utility [patent_app_number] => 17/137134 [patent_app_country] => US [patent_app_date] => 2020-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 4941 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17137134 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/137134
Combination guitar holder and amplifier Dec 28, 2020 Issued
Array ( [id] => 18159410 [patent_doc_number] => 20230026002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => NON-ACOUSTIC SENSOR FOR ACTIVE NOISE CANCELLATION [patent_app_type] => utility [patent_app_number] => 17/788735 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17788735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/788735
NON-ACOUSTIC SENSOR FOR ACTIVE NOISE CANCELLATION Dec 22, 2020 Pending
Array ( [id] => 16766755 [patent_doc_number] => 20210112337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => MICROPHONE ASSEMBLY WITH DIGITAL FEEDBACK LOOP [patent_app_type] => utility [patent_app_number] => 17/130535 [patent_app_country] => US [patent_app_date] => 2020-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17130535 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/130535
Microphone assembly with digital feedback loop Dec 21, 2020 Issued
Array ( [id] => 18096960 [patent_doc_number] => 20220415301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => SYSTEM AND METHOD FOR AMBIENT NOISE DETECTION, IDENTIFICATION AND MANAGEMENT [patent_app_type] => utility [patent_app_number] => 17/780917 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6329 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17780917 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/780917
System and method for ambient noise detection, identification and management Dec 13, 2020 Issued
Array ( [id] => 16723396 [patent_doc_number] => 20210090543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => SOUND WAVE DEAD SPOT GENERATION [patent_app_type] => utility [patent_app_number] => 17/111245 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17111245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/111245
Sound wave dead spot generation Dec 2, 2020 Issued
Array ( [id] => 18016955 [patent_doc_number] => 11509268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Power control and indicator for preamp of acoustic string instrument [patent_app_type] => utility [patent_app_number] => 17/105037 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2131 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17105037 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/105037
Power control and indicator for preamp of acoustic string instrument Nov 24, 2020 Issued
Array ( [id] => 18017671 [patent_doc_number] => 11509992 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Wearable audio device with control platform [patent_app_type] => utility [patent_app_number] => 16/953272 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13990 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16953272 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/953272
Wearable audio device with control platform Nov 18, 2020 Issued
Array ( [id] => 18387005 [patent_doc_number] => 11657793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Voice sensing using multiple microphones [patent_app_type] => utility [patent_app_number] => 17/098845 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5440 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17098845 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/098845
Voice sensing using multiple microphones Nov 15, 2020 Issued
Array ( [id] => 17615010 [patent_doc_number] => 20220157290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => Noise Control System [patent_app_type] => utility [patent_app_number] => 17/097616 [patent_app_country] => US [patent_app_date] => 2020-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17097616 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/097616
Noise control system Nov 12, 2020 Issued
Array ( [id] => 16679131 [patent_doc_number] => 20210067897 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => BINAURAL RENDERING APPARATUS AND METHOD FOR PLAYING BACK OF MULTIPLE AUDIO SOURCES [patent_app_type] => utility [patent_app_number] => 17/097829 [patent_app_country] => US [patent_app_date] => 2020-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17097829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/097829
Binaural rendering apparatus and method for playing back of multiple audio sources Nov 12, 2020 Issued
Array ( [id] => 18039631 [patent_doc_number] => 20220383848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ACTIVE NOISE CANCELLING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/774046 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17774046 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/774046
ACTIVE NOISE CANCELLING SYSTEM Oct 29, 2020 Pending
Array ( [id] => 17654009 [patent_doc_number] => 11356765 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Vibration removal apparatus and method for dual-microphone earphones [patent_app_type] => utility [patent_app_number] => 17/079438 [patent_app_country] => US [patent_app_date] => 2020-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 30 [patent_no_of_words] => 12545 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17079438 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/079438
Vibration removal apparatus and method for dual-microphone earphones Oct 23, 2020 Issued
Array ( [id] => 16626263 [patent_doc_number] => 20210044916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => DETERMINATION OF AN ACOUSTIC FILTER FOR INCORPORATING LOCAL EFFECTS OF ROOM MODES [patent_app_type] => utility [patent_app_number] => 17/069322 [patent_app_country] => US [patent_app_date] => 2020-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17069322 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/069322
Determination of an acoustic filter for incorporating local effects of room modes Oct 12, 2020 Issued
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