Search

Jack Chiang

Supervisory Patent Examiner (ID: 2029, Phone: (571)272-7483 , Office: P/2851 )

Most Active Art Unit
2642
Art Unit(s)
2601, 2742, 2642, 2825, 2851
Total Applications
1026
Issued Applications
720
Pending Applications
71
Abandoned Applications
239

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2949960 [patent_doc_number] => 05260996 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-09 [patent_title] => 'Current limited electronic ringing generator' [patent_app_type] => 1 [patent_app_number] => 7/624860 [patent_app_country] => US [patent_app_date] => 1990-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 8249 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/260/05260996.pdf [firstpage_image] =>[orig_patent_app_number] => 624860 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/624860
Current limited electronic ringing generator Dec 9, 1990 Issued
Array ( [id] => 2808474 [patent_doc_number] => 05144673 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-01 [patent_title] => 'Reflection sound compression apparatus' [patent_app_type] => 1 [patent_app_number] => 7/623619 [patent_app_country] => US [patent_app_date] => 1990-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2863 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/144/05144673.pdf [firstpage_image] =>[orig_patent_app_number] => 623619 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/623619
Reflection sound compression apparatus Dec 6, 1990 Issued
Array ( [id] => 2831606 [patent_doc_number] => 05168526 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Distortion-cancellation circuit for audio peak limiting' [patent_app_type] => 1 [patent_app_number] => 7/605538 [patent_app_country] => US [patent_app_date] => 1990-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2805 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/168/05168526.pdf [firstpage_image] =>[orig_patent_app_number] => 605538 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/605538
Distortion-cancellation circuit for audio peak limiting Oct 28, 1990 Issued
Array ( [id] => 2945988 [patent_doc_number] => 05197099 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Multiple-channel audio reproduction apparatus' [patent_app_type] => 1 [patent_app_number] => 7/592777 [patent_app_country] => US [patent_app_date] => 1990-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3427 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/197/05197099.pdf [firstpage_image] =>[orig_patent_app_number] => 592777 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/592777
Multiple-channel audio reproduction apparatus Oct 3, 1990 Issued
Array ( [id] => 3105828 [patent_doc_number] => 05369711 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-29 [patent_title] => 'Automatic gain control for a headset' [patent_app_type] => 1 [patent_app_number] => 7/576662 [patent_app_country] => US [patent_app_date] => 1990-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7561 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/369/05369711.pdf [firstpage_image] =>[orig_patent_app_number] => 576662 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/576662
Automatic gain control for a headset Aug 30, 1990 Issued
Array ( [id] => 2817336 [patent_doc_number] => 05148491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Automatic mixer apparatus' [patent_app_type] => 1 [patent_app_number] => 7/575243 [patent_app_country] => US [patent_app_date] => 1990-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5997 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/148/05148491.pdf [firstpage_image] =>[orig_patent_app_number] => 575243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/575243
Automatic mixer apparatus Aug 29, 1990 Issued
07/571766 AUDIO EQUIPMENT Aug 22, 1990 Abandoned
07/565395 METHOD FOR ACTIVELY ATTENUATING ENGINE GENERATED NOISE Aug 9, 1990 Abandoned
Array ( [id] => 2871724 [patent_doc_number] => 05150416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Electronic level control circuit for sound signals' [patent_app_type] => 1 [patent_app_number] => 7/563474 [patent_app_country] => US [patent_app_date] => 1990-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5315 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/150/05150416.pdf [firstpage_image] =>[orig_patent_app_number] => 563474 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/563474
Electronic level control circuit for sound signals Aug 5, 1990 Issued
07/552516 NOISE REDUCING DEVICE Jul 15, 1990 Abandoned
Array ( [id] => 2879044 [patent_doc_number] => 05097512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Transducer testing' [patent_app_type] => 1 [patent_app_number] => 7/551282 [patent_app_country] => US [patent_app_date] => 1990-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1368 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/097/05097512.pdf [firstpage_image] =>[orig_patent_app_number] => 551282 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551282
Transducer testing Jul 11, 1990 Issued
Array ( [id] => 2890749 [patent_doc_number] => 05119421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Stereo system cabinet with loudspeaker door assembly' [patent_app_type] => 1 [patent_app_number] => 7/547782 [patent_app_country] => US [patent_app_date] => 1990-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2653 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/119/05119421.pdf [firstpage_image] =>[orig_patent_app_number] => 547782 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/547782
Stereo system cabinet with loudspeaker door assembly Jul 2, 1990 Issued
07/545851 WAVEGUIDE ELECTROACOUSTICAL TRANSDUCING Jun 27, 1990 Abandoned
Array ( [id] => 2777407 [patent_doc_number] => 05036543 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Noise suppression apparatus for FM receiver' [patent_app_type] => 1 [patent_app_number] => 7/543305 [patent_app_country] => US [patent_app_date] => 1990-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2838 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/036/05036543.pdf [firstpage_image] =>[orig_patent_app_number] => 543305 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/543305
Noise suppression apparatus for FM receiver Jun 25, 1990 Issued
07/537774 MICROPROCESSOR CONTROLLED FEEDBACK EXTERMINATOR AND METHOD FOR SUPPRESSING ACOUSTICAL FEEDBACK Jun 12, 1990 Abandoned
Array ( [id] => 2852533 [patent_doc_number] => 05172415 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-15 [patent_title] => 'Surround processor' [patent_app_type] => 1 [patent_app_number] => 7/533091 [patent_app_country] => US [patent_app_date] => 1990-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 18063 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/172/05172415.pdf [firstpage_image] =>[orig_patent_app_number] => 533091 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/533091
Surround processor Jun 7, 1990 Issued
Array ( [id] => 2890841 [patent_doc_number] => 05119426 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-02 [patent_title] => 'Linear array level meter displaying multiple audio characteristics' [patent_app_type] => 1 [patent_app_number] => 7/536410 [patent_app_country] => US [patent_app_date] => 1990-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2110 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/119/05119426.pdf [firstpage_image] =>[orig_patent_app_number] => 536410 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/536410
Linear array level meter displaying multiple audio characteristics Jun 6, 1990 Issued
Array ( [id] => 2803022 [patent_doc_number] => 05136656 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Probe microphone' [patent_app_type] => 1 [patent_app_number] => 7/529454 [patent_app_country] => US [patent_app_date] => 1990-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1154 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136656.pdf [firstpage_image] =>[orig_patent_app_number] => 529454 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/529454
Probe microphone May 28, 1990 Issued
Array ( [id] => 2745585 [patent_doc_number] => 05077797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'FM stereo receiver' [patent_app_type] => 1 [patent_app_number] => 7/527742 [patent_app_country] => US [patent_app_date] => 1990-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 5937 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/077/05077797.pdf [firstpage_image] =>[orig_patent_app_number] => 527742 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/527742
FM stereo receiver May 22, 1990 Issued
Array ( [id] => 2924348 [patent_doc_number] => 05237618 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Electronic compensation system for elimination or reduction of inter-channel interference in noise cancellation systems' [patent_app_type] => 1 [patent_app_number] => 7/522144 [patent_app_country] => US [patent_app_date] => 1990-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2290 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/237/05237618.pdf [firstpage_image] =>[orig_patent_app_number] => 522144 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/522144
Electronic compensation system for elimination or reduction of inter-channel interference in noise cancellation systems May 10, 1990 Issued
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