Search

Tu Ba Hoang

Supervisory Patent Examiner (ID: 15628, Phone: (571)272-4780 , Office: P/3742 )

Most Active Art Unit
3761
Art Unit(s)
3742, 2106, 3761, 2832
Total Applications
2049
Issued Applications
1536
Pending Applications
181
Abandoned Applications
331

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2808256 [patent_doc_number] => 05146108 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Parabolic wave generator' [patent_app_type] => 1 [patent_app_number] => 7/754570 [patent_app_country] => US [patent_app_date] => 1991-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5264 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/146/05146108.pdf [firstpage_image] =>[orig_patent_app_number] => 754570 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/754570
Parabolic wave generator Sep 3, 1991 Issued
07/752864 DYNAMITE VOLTAGE INTEGRATION METHOD AND CIRCUITS FOR IMPLEMENTING AND APPLYING THE SAME Aug 29, 1991 Abandoned
Array ( [id] => 2811685 [patent_doc_number] => 05157342 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Precision digital phase lock loop circuit' [patent_app_type] => 1 [patent_app_number] => 7/752294 [patent_app_country] => US [patent_app_date] => 1991-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3583 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/157/05157342.pdf [firstpage_image] =>[orig_patent_app_number] => 752294 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/752294
Precision digital phase lock loop circuit Aug 29, 1991 Issued
Array ( [id] => 3027768 [patent_doc_number] => 05303100 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Magnetic disk device with floating-type magnetic head' [patent_app_type] => 1 [patent_app_number] => 7/752052 [patent_app_country] => US [patent_app_date] => 1991-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 6204 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/303/05303100.pdf [firstpage_image] =>[orig_patent_app_number] => 752052 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/752052
Magnetic disk device with floating-type magnetic head Aug 28, 1991 Issued
Array ( [id] => 2840462 [patent_doc_number] => 05120988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Clock generator circuit providing reduced current consumption' [patent_app_type] => 1 [patent_app_number] => 7/751637 [patent_app_country] => US [patent_app_date] => 1991-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3675 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/120/05120988.pdf [firstpage_image] =>[orig_patent_app_number] => 751637 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/751637
Clock generator circuit providing reduced current consumption Aug 25, 1991 Issued
Array ( [id] => 2954845 [patent_doc_number] => 05221863 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Phase-locked loop clock signal generator' [patent_app_type] => 1 [patent_app_number] => 7/749184 [patent_app_country] => US [patent_app_date] => 1991-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 9701 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221863.pdf [firstpage_image] =>[orig_patent_app_number] => 749184 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/749184
Phase-locked loop clock signal generator Aug 22, 1991 Issued
Array ( [id] => 2983092 [patent_doc_number] => 05252865 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Integrating phase detector' [patent_app_type] => 1 [patent_app_number] => 7/748799 [patent_app_country] => US [patent_app_date] => 1991-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3288 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/252/05252865.pdf [firstpage_image] =>[orig_patent_app_number] => 748799 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/748799
Integrating phase detector Aug 21, 1991 Issued
Array ( [id] => 2969140 [patent_doc_number] => 05264802 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Circuit and method for monitoring phase error modulation' [patent_app_type] => 1 [patent_app_number] => 7/747822 [patent_app_country] => US [patent_app_date] => 1991-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3231 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/264/05264802.pdf [firstpage_image] =>[orig_patent_app_number] => 747822 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/747822
Circuit and method for monitoring phase error modulation Aug 20, 1991 Issued
Array ( [id] => 2980997 [patent_doc_number] => 05208546 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Adaptive charge pump for phase-locked loops' [patent_app_type] => 1 [patent_app_number] => 7/748136 [patent_app_country] => US [patent_app_date] => 1991-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2550 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/208/05208546.pdf [firstpage_image] =>[orig_patent_app_number] => 748136 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/748136
Adaptive charge pump for phase-locked loops Aug 20, 1991 Issued
Array ( [id] => 2924433 [patent_doc_number] => 05192876 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'Flat pulse generator' [patent_app_type] => 1 [patent_app_number] => 7/749507 [patent_app_country] => US [patent_app_date] => 1991-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3079 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/192/05192876.pdf [firstpage_image] =>[orig_patent_app_number] => 749507 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/749507
Flat pulse generator Aug 15, 1991 Issued
Array ( [id] => 2946507 [patent_doc_number] => 05223742 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-29 [patent_title] => 'Circuit and method for monitoring a pulse width modulated waveform' [patent_app_type] => 1 [patent_app_number] => 7/744756 [patent_app_country] => US [patent_app_date] => 1991-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 4473 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/223/05223742.pdf [firstpage_image] =>[orig_patent_app_number] => 744756 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/744756
Circuit and method for monitoring a pulse width modulated waveform Aug 13, 1991 Issued
Array ( [id] => 2932050 [patent_doc_number] => 05187385 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'Latch circuit including filter for metastable prevention' [patent_app_type] => 1 [patent_app_number] => 7/744835 [patent_app_country] => US [patent_app_date] => 1991-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 2293 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/187/05187385.pdf [firstpage_image] =>[orig_patent_app_number] => 744835 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/744835
Latch circuit including filter for metastable prevention Aug 12, 1991 Issued
Array ( [id] => 2788923 [patent_doc_number] => 05164677 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-17 [patent_title] => 'Method and apparatus for synchronizing signals' [patent_app_type] => 1 [patent_app_number] => 7/740457 [patent_app_country] => US [patent_app_date] => 1991-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4333 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/164/05164677.pdf [firstpage_image] =>[orig_patent_app_number] => 740457 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/740457
Method and apparatus for synchronizing signals Aug 4, 1991 Issued
Array ( [id] => 3105822 [patent_doc_number] => 05299074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'System for positioning a head in a transverse reference position on a multitrack digital magnetic tape' [patent_app_type] => 1 [patent_app_number] => 7/738223 [patent_app_country] => US [patent_app_date] => 1991-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5421 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/299/05299074.pdf [firstpage_image] =>[orig_patent_app_number] => 738223 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/738223
System for positioning a head in a transverse reference position on a multitrack digital magnetic tape Jul 29, 1991 Issued
Array ( [id] => 2900618 [patent_doc_number] => 05184084 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-02 [patent_title] => 'Double band frequency converting system' [patent_app_type] => 1 [patent_app_number] => 7/736923 [patent_app_country] => US [patent_app_date] => 1991-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2601 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/184/05184084.pdf [firstpage_image] =>[orig_patent_app_number] => 736923 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/736923
Double band frequency converting system Jul 28, 1991 Issued
Array ( [id] => 2978688 [patent_doc_number] => 05182476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Offset cancellation circuit and method of reducing pulse pairing' [patent_app_type] => 1 [patent_app_number] => 7/737282 [patent_app_country] => US [patent_app_date] => 1991-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2588 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/182/05182476.pdf [firstpage_image] =>[orig_patent_app_number] => 737282 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/737282
Offset cancellation circuit and method of reducing pulse pairing Jul 28, 1991 Issued
07/729676 INPUT INTERFACE CIRCUIT FOR AN AUTOMOTIVE MICROCOMPUTER Jul 14, 1991 Abandoned
Array ( [id] => 2973952 [patent_doc_number] => 05265063 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Semiconductor memory device having a plurality of SRAMs operable in synchronism with a clock permitting simultaneous access to multiple data' [patent_app_type] => 1 [patent_app_number] => 7/729738 [patent_app_country] => US [patent_app_date] => 1991-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1884 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/265/05265063.pdf [firstpage_image] =>[orig_patent_app_number] => 729738 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/729738
Semiconductor memory device having a plurality of SRAMs operable in synchronism with a clock permitting simultaneous access to multiple data Jul 14, 1991 Issued
07/730033 PHASE CORRECTOR FOR REDUNDANT CLOCK SYSTEMS AND METHOD Jul 11, 1991 Abandoned
07/728230 POWER HISTORY MONITOR CHIP Jul 9, 1991 Abandoned
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