Search

Henry Choe

Examiner (ID: 9269, Phone: (571)272-1760 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2843, 2817, 2842
Total Applications
3679
Issued Applications
3391
Pending Applications
196
Abandoned Applications
146

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6306255 [patent_doc_number] => 20100109780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-06 [patent_title] => 'Flexible Dynamic Range Amplifier' [patent_app_type] => utility [patent_app_number] => 12/530865 [patent_app_country] => US [patent_app_date] => 2007-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3358 [patent_no_of_claims] => 19 [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/A1/0109/20100109780.pdf [firstpage_image] =>[orig_patent_app_number] => 12530865 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/530865
Flexible dynamic range amplifier Mar 12, 2007 Issued
Array ( [id] => 7597096 [patent_doc_number] => 07619482 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-11-17 [patent_title] => 'Compact low voltage low noise amplifier' [patent_app_type] => utility [patent_app_number] => 11/685248 [patent_app_country] => US [patent_app_date] => 2007-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4225 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/619/07619482.pdf [firstpage_image] =>[orig_patent_app_number] => 11685248 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/685248
Compact low voltage low noise amplifier Mar 12, 2007 Issued
Array ( [id] => 278571 [patent_doc_number] => 07557649 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-07 [patent_title] => 'DC offset cancellation circuit and programmable gain amplifier using the same' [patent_app_type] => utility [patent_app_number] => 11/684783 [patent_app_country] => US [patent_app_date] => 2007-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3209 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/557/07557649.pdf [firstpage_image] =>[orig_patent_app_number] => 11684783 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/684783
DC offset cancellation circuit and programmable gain amplifier using the same Mar 11, 2007 Issued
Array ( [id] => 560255 [patent_doc_number] => 07468635 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-12-23 [patent_title] => 'Wideband digital single-to-differential converter and method of forming same' [patent_app_type] => utility [patent_app_number] => 11/683181 [patent_app_country] => US [patent_app_date] => 2007-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2811 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/468/07468635.pdf [firstpage_image] =>[orig_patent_app_number] => 11683181 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/683181
Wideband digital single-to-differential converter and method of forming same Mar 6, 2007 Issued
11/714757 SHARED-CURRENT ELECTRONIC SYSTEMS WITH PRECISE PROPORTIONING Mar 5, 2007 Abandoned
Array ( [id] => 592845 [patent_doc_number] => 07439804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-21 [patent_title] => 'Amplifier with level shifting feedback network' [patent_app_type] => utility [patent_app_number] => 11/714369 [patent_app_country] => US [patent_app_date] => 2007-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2275 [patent_no_of_claims] => 12 [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] => patents/07/439/07439804.pdf [firstpage_image] =>[orig_patent_app_number] => 11714369 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/714369
Amplifier with level shifting feedback network Mar 4, 2007 Issued
Array ( [id] => 307998 [patent_doc_number] => 07532072 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-05-12 [patent_title] => 'Method to control the output common mode in a differential OPAMP with rail-to-rail input stage' [patent_app_type] => utility [patent_app_number] => 11/681581 [patent_app_country] => US [patent_app_date] => 2007-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4165 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/532/07532072.pdf [firstpage_image] =>[orig_patent_app_number] => 11681581 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/681581
Method to control the output common mode in a differential OPAMP with rail-to-rail input stage Mar 1, 2007 Issued
Array ( [id] => 5060881 [patent_doc_number] => 20070222520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-27 [patent_title] => 'High-frequency power amplifier' [patent_app_type] => utility [patent_app_number] => 11/710898 [patent_app_country] => US [patent_app_date] => 2007-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 11565 [patent_no_of_claims] => 12 [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/A1/0222/20070222520.pdf [firstpage_image] =>[orig_patent_app_number] => 11710898 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/710898
High-frequency power amplifier Feb 26, 2007 Issued
Array ( [id] => 5089530 [patent_doc_number] => 20070229169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'Single supply direct drive amplifier' [patent_app_type] => utility [patent_app_number] => 11/711480 [patent_app_country] => US [patent_app_date] => 2007-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3470 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0229/20070229169.pdf [firstpage_image] =>[orig_patent_app_number] => 11711480 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/711480
Single supply direct drive amplifier Feb 25, 2007 Abandoned
Array ( [id] => 5288570 [patent_doc_number] => 20090021300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-22 [patent_title] => 'Apparatus and Method for Detecting Output Power From an Amplifier' [patent_app_type] => utility [patent_app_number] => 12/224325 [patent_app_country] => US [patent_app_date] => 2007-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7876 [patent_no_of_claims] => 73 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20090021300.pdf [firstpage_image] =>[orig_patent_app_number] => 12224325 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/224325
Apparatus and Method for Detecting Output Power From an Amplifier Feb 25, 2007 Abandoned
Array ( [id] => 342130 [patent_doc_number] => 07501888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-10 [patent_title] => 'Gain control methods and systems in an amplifier assembly' [patent_app_type] => utility [patent_app_number] => 11/710473 [patent_app_country] => US [patent_app_date] => 2007-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 29 [patent_no_of_words] => 14494 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/501/07501888.pdf [firstpage_image] =>[orig_patent_app_number] => 11710473 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/710473
Gain control methods and systems in an amplifier assembly Feb 25, 2007 Issued
Array ( [id] => 4724590 [patent_doc_number] => 20080204131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-28 [patent_title] => 'VACUUM TUBE REPLACEMENT DEVICE, CIRCUIT AND SYSTEM' [patent_app_type] => utility [patent_app_number] => 11/678562 [patent_app_country] => US [patent_app_date] => 2007-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 7166 [patent_no_of_claims] => 54 [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/A1/0204/20080204131.pdf [firstpage_image] =>[orig_patent_app_number] => 11678562 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/678562
Vacuum tube replacement device, circuit and system Feb 22, 2007 Issued
Array ( [id] => 5110932 [patent_doc_number] => 20070194847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-23 [patent_title] => 'Operational amplifier' [patent_app_type] => utility [patent_app_number] => 11/708053 [patent_app_country] => US [patent_app_date] => 2007-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5254 [patent_no_of_claims] => 14 [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/A1/0194/20070194847.pdf [firstpage_image] =>[orig_patent_app_number] => 11708053 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/708053
Operational amplifier Feb 19, 2007 Issued
Array ( [id] => 274824 [patent_doc_number] => 07560991 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-14 [patent_title] => 'Dynamically compensated operational amplifier' [patent_app_type] => utility [patent_app_number] => 11/674150 [patent_app_country] => US [patent_app_date] => 2007-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2835 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/560/07560991.pdf [firstpage_image] =>[orig_patent_app_number] => 11674150 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/674150
Dynamically compensated operational amplifier Feb 12, 2007 Issued
Array ( [id] => 4796687 [patent_doc_number] => 20080008273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'Power amplifier circuit and method for envelope modulation of high frequency signal' [patent_app_type] => utility [patent_app_number] => 11/703194 [patent_app_country] => US [patent_app_date] => 2007-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5659 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0008/20080008273.pdf [firstpage_image] =>[orig_patent_app_number] => 11703194 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/703194
Power amplifier circuit and method for envelope modulation of high frequency signal Feb 6, 2007 Issued
Array ( [id] => 4837745 [patent_doc_number] => 20080278230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-13 [patent_title] => 'Systems and Methods for Correcting Errors Resulting from Component Mismatch in a Feedback Path' [patent_app_type] => utility [patent_app_number] => 11/672331 [patent_app_country] => US [patent_app_date] => 2007-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4975 [patent_no_of_claims] => 20 [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/A1/0278/20080278230.pdf [firstpage_image] =>[orig_patent_app_number] => 11672331 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/672331
Systems and methods for correcting errors resulting from component mismatch in a feedback path Feb 6, 2007 Issued
Array ( [id] => 4953066 [patent_doc_number] => 20080186090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'AUDIO SYSTEM WITH POWER-ON/OFF NOISE SUPPRESSION AND AUDIO AMPLIFIER THEREOF' [patent_app_type] => utility [patent_app_number] => 11/671471 [patent_app_country] => US [patent_app_date] => 2007-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2664 [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/A1/0186/20080186090.pdf [firstpage_image] =>[orig_patent_app_number] => 11671471 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/671471
Audio system with power-on/off noise suppression and audio amplifier thereof Feb 5, 2007 Issued
Array ( [id] => 589342 [patent_doc_number] => 07446602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-04 [patent_title] => 'Switched capacitor amplifier circuit and method for operating a switched capacitor amplifier circuit' [patent_app_type] => utility [patent_app_number] => 11/703069 [patent_app_country] => US [patent_app_date] => 2007-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7043 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/446/07446602.pdf [firstpage_image] =>[orig_patent_app_number] => 11703069 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/703069
Switched capacitor amplifier circuit and method for operating a switched capacitor amplifier circuit Feb 5, 2007 Issued
Array ( [id] => 4953074 [patent_doc_number] => 20080186098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'CIRCUIT TO PREVENT LOAD-INDUCED DC NONLINEARITY IN AN OP-AMP' [patent_app_type] => utility [patent_app_number] => 11/671103 [patent_app_country] => US [patent_app_date] => 2007-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1213 [patent_no_of_claims] => 18 [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/A1/0186/20080186098.pdf [firstpage_image] =>[orig_patent_app_number] => 11671103 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/671103
Circuit to prevent load-induced DC nonlinearity in an op-amp Feb 4, 2007 Issued
Array ( [id] => 4953078 [patent_doc_number] => 20080186102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'FRONT END FOR AN INSTRUMENTATION AMPLIFIER' [patent_app_type] => utility [patent_app_number] => 11/671124 [patent_app_country] => US [patent_app_date] => 2007-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1461 [patent_no_of_claims] => 8 [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/A1/0186/20080186102.pdf [firstpage_image] =>[orig_patent_app_number] => 11671124 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/671124
Front end for an instrumentation amplifier Feb 4, 2007 Issued
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