
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |