Search

Matthew D. Krcha

Examiner (ID: 5045, Phone: (571)270-0386 , Office: P/1798 )

Most Active Art Unit
1798
Art Unit(s)
1796, 1773, 1798
Total Applications
690
Issued Applications
401
Pending Applications
132
Abandoned Applications
190

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2842006 [patent_doc_number] => 05121070 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-09 [patent_title] => 'Phase demodulator for PSK-modulated signals' [patent_app_type] => 1 [patent_app_number] => 7/733778 [patent_app_country] => US [patent_app_date] => 1991-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 18 [patent_no_of_words] => 4284 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/121/05121070.pdf [firstpage_image] =>[orig_patent_app_number] => 733778 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/733778
Phase demodulator for PSK-modulated signals Jul 21, 1991 Issued
Array ( [id] => 2848638 [patent_doc_number] => 05138285 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Method for reducing phase noise in oscillators' [patent_app_type] => 1 [patent_app_number] => 7/732984 [patent_app_country] => US [patent_app_date] => 1991-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2781 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138285.pdf [firstpage_image] =>[orig_patent_app_number] => 732984 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/732984
Method for reducing phase noise in oscillators Jul 18, 1991 Issued
Array ( [id] => 2873448 [patent_doc_number] => 05097222 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Digital analog signal demodulator' [patent_app_type] => 1 [patent_app_number] => 7/732737 [patent_app_country] => US [patent_app_date] => 1991-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1489 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/097/05097222.pdf [firstpage_image] =>[orig_patent_app_number] => 732737 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/732737
Digital analog signal demodulator Jul 17, 1991 Issued
Array ( [id] => 2834752 [patent_doc_number] => 05128592 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'High frequency ballast for gaseous discharge lamps' [patent_app_type] => 1 [patent_app_number] => 7/732483 [patent_app_country] => US [patent_app_date] => 1991-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2588 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/128/05128592.pdf [firstpage_image] =>[orig_patent_app_number] => 732483 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/732483
High frequency ballast for gaseous discharge lamps Jul 17, 1991 Issued
Array ( [id] => 2984597 [patent_doc_number] => 05204586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-20 [patent_title] => 'Solar powered lamp having a circuit for providing positive turn-on at low light levels' [patent_app_type] => 1 [patent_app_number] => 7/731672 [patent_app_country] => US [patent_app_date] => 1991-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2883 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/204/05204586.pdf [firstpage_image] =>[orig_patent_app_number] => 731672 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/731672
Solar powered lamp having a circuit for providing positive turn-on at low light levels Jul 16, 1991 Issued
Array ( [id] => 2856640 [patent_doc_number] => 05126594 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'Voltage spike detection circuit for use in detecting clock edge transitions within a serial communication system' [patent_app_type] => 1 [patent_app_number] => 7/731608 [patent_app_country] => US [patent_app_date] => 1991-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3189 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/126/05126594.pdf [firstpage_image] =>[orig_patent_app_number] => 731608 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/731608
Voltage spike detection circuit for use in detecting clock edge transitions within a serial communication system Jul 16, 1991 Issued
Array ( [id] => 2825968 [patent_doc_number] => 05173627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-22 [patent_title] => 'Circuit for outputting a data signal following an output enable command signal' [patent_app_type] => 1 [patent_app_number] => 7/731502 [patent_app_country] => US [patent_app_date] => 1991-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1444 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/173/05173627.pdf [firstpage_image] =>[orig_patent_app_number] => 731502 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/731502
Circuit for outputting a data signal following an output enable command signal Jul 16, 1991 Issued
Array ( [id] => 2853472 [patent_doc_number] => 05111152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-05 [patent_title] => 'Apparatus and method for demodulating a digital modulation signal' [patent_app_type] => 1 [patent_app_number] => 7/730474 [patent_app_country] => US [patent_app_date] => 1991-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 9597 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/111/05111152.pdf [firstpage_image] =>[orig_patent_app_number] => 730474 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/730474
Apparatus and method for demodulating a digital modulation signal Jul 15, 1991 Issued
Array ( [id] => 2848564 [patent_doc_number] => 05138281 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-11 [patent_title] => 'Apparatus for maintaining the frequency of an oscillator within a predetermined frequency range' [patent_app_type] => 1 [patent_app_number] => 7/731842 [patent_app_country] => US [patent_app_date] => 1991-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3832 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/138/05138281.pdf [firstpage_image] =>[orig_patent_app_number] => 731842 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/731842
Apparatus for maintaining the frequency of an oscillator within a predetermined frequency range Jul 15, 1991 Issued
Array ( [id] => 2872431 [patent_doc_number] => 05153458 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Code setting circuit with fusible thin film resistors' [patent_app_type] => 1 [patent_app_number] => 7/727549 [patent_app_country] => US [patent_app_date] => 1991-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2222 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153458.pdf [firstpage_image] =>[orig_patent_app_number] => 727549 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/727549
Code setting circuit with fusible thin film resistors Jul 8, 1991 Issued
Array ( [id] => 2843505 [patent_doc_number] => 05160902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Voltage controlled oscillator with controlled capacitance ratio in positive feedback loop to broaden bandwidth' [patent_app_type] => 1 [patent_app_number] => 7/727839 [patent_app_country] => US [patent_app_date] => 1991-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 42 [patent_no_of_words] => 17225 [patent_no_of_claims] => 9 [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/05/160/05160902.pdf [firstpage_image] =>[orig_patent_app_number] => 727839 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/727839
Voltage controlled oscillator with controlled capacitance ratio in positive feedback loop to broaden bandwidth Jul 8, 1991 Issued
Array ( [id] => 2795449 [patent_doc_number] => 05136254 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'FM demodulator circuit whose demodulation output is decreased in distortion' [patent_app_type] => 1 [patent_app_number] => 7/727459 [patent_app_country] => US [patent_app_date] => 1991-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3652 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136254.pdf [firstpage_image] =>[orig_patent_app_number] => 727459 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/727459
FM demodulator circuit whose demodulation output is decreased in distortion Jul 8, 1991 Issued
Array ( [id] => 2835503 [patent_doc_number] => 05128633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-07 [patent_title] => 'Multi-loop synthesizer' [patent_app_type] => 1 [patent_app_number] => 7/726497 [patent_app_country] => US [patent_app_date] => 1991-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5177 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/128/05128633.pdf [firstpage_image] =>[orig_patent_app_number] => 726497 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/726497
Multi-loop synthesizer Jul 7, 1991 Issued
Array ( [id] => 2780558 [patent_doc_number] => 05151615 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-29 [patent_title] => 'Noise absorbing circuit suitable for semiconductor integrated circuits' [patent_app_type] => 1 [patent_app_number] => 7/725532 [patent_app_country] => US [patent_app_date] => 1991-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1885 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/151/05151615.pdf [firstpage_image] =>[orig_patent_app_number] => 725532 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/725532
Noise absorbing circuit suitable for semiconductor integrated circuits Jul 2, 1991 Issued
Array ( [id] => 2810577 [patent_doc_number] => 05157284 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'Integrated circuit including an input buffer circuit having NAND and NOR gates' [patent_app_type] => 1 [patent_app_number] => 7/724099 [patent_app_country] => US [patent_app_date] => 1991-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1821 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/157/05157284.pdf [firstpage_image] =>[orig_patent_app_number] => 724099 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/724099
Integrated circuit including an input buffer circuit having NAND and NOR gates Jun 30, 1991 Issued
Array ( [id] => 2778662 [patent_doc_number] => 05132562 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Push-pull driver without input saturation or output leakage' [patent_app_type] => 1 [patent_app_number] => 7/724144 [patent_app_country] => US [patent_app_date] => 1991-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1538 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/132/05132562.pdf [firstpage_image] =>[orig_patent_app_number] => 724144 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/724144
Push-pull driver without input saturation or output leakage Jun 30, 1991 Issued
Array ( [id] => 2826119 [patent_doc_number] => 05168247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Oscillator and voltage-to-frequency coverter employing the same' [patent_app_type] => 1 [patent_app_number] => 7/724528 [patent_app_country] => US [patent_app_date] => 1991-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2014 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/168/05168247.pdf [firstpage_image] =>[orig_patent_app_number] => 724528 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/724528
Oscillator and voltage-to-frequency coverter employing the same Jun 27, 1991 Issued
Array ( [id] => 2873814 [patent_doc_number] => 05153530 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-06 [patent_title] => 'Phase locked loop system having an oscillator providing a phase adjustable output under control of a charge pump circuit' [patent_app_type] => 1 [patent_app_number] => 7/723165 [patent_app_country] => US [patent_app_date] => 1991-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5912 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/153/05153530.pdf [firstpage_image] =>[orig_patent_app_number] => 723165 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/723165
Phase locked loop system having an oscillator providing a phase adjustable output under control of a charge pump circuit Jun 27, 1991 Issued
07/719671 PARALLEL-RESONANT INVERTER-TYPE FLUORESCENT LAMP BALLAST Jun 23, 1991 Abandoned
Array ( [id] => 2810255 [patent_doc_number] => 05148125 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Dielectric constant monitor' [patent_app_type] => 1 [patent_app_number] => 7/721921 [patent_app_country] => US [patent_app_date] => 1991-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2223 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/148/05148125.pdf [firstpage_image] =>[orig_patent_app_number] => 721921 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/721921
Dielectric constant monitor Jun 20, 1991 Issued
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