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Dan Davidson

Examiner (ID: 13543)

Most Active Art Unit
2651
Art Unit(s)
2627, 2753, 2651
Total Applications
393
Issued Applications
356
Pending Applications
11
Abandoned Applications
26

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7635577 [patent_doc_number] => 06381085 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-30 [patent_title] => 'Zero forcing adaptive equalization in a disk drive read channel' [patent_app_type] => B1 [patent_app_number] => 09/351736 [patent_app_country] => US [patent_app_date] => 1999-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4457 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/381/06381085.pdf [firstpage_image] =>[orig_patent_app_number] => 09351736 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/351736
Zero forcing adaptive equalization in a disk drive read channel Jul 11, 1999 Issued
Array ( [id] => 4418187 [patent_doc_number] => 06301068 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-09 [patent_title] => 'Programmable write current waveform for high frequency magnetic recording' [patent_app_type] => 1 [patent_app_number] => 9/346481 [patent_app_country] => US [patent_app_date] => 1999-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5030 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/301/06301068.pdf [firstpage_image] =>[orig_patent_app_number] => 346481 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/346481
Programmable write current waveform for high frequency magnetic recording Jun 30, 1999 Issued
Array ( [id] => 4391986 [patent_doc_number] => 06304403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-16 [patent_title] => 'Multiple devices selected fault feature for data integrity in disc drive applications' [patent_app_type] => 1 [patent_app_number] => 9/345890 [patent_app_country] => US [patent_app_date] => 1999-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4578 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/304/06304403.pdf [firstpage_image] =>[orig_patent_app_number] => 345890 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/345890
Multiple devices selected fault feature for data integrity in disc drive applications Jun 30, 1999 Issued
Array ( [id] => 1488377 [patent_doc_number] => 06366418 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-02 [patent_title] => 'Method for reducing data overhead in PRML data channel' [patent_app_type] => B1 [patent_app_number] => 09/346764 [patent_app_country] => US [patent_app_date] => 1999-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5718 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/366/06366418.pdf [firstpage_image] =>[orig_patent_app_number] => 09346764 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/346764
Method for reducing data overhead in PRML data channel Jun 29, 1999 Issued
Array ( [id] => 4417773 [patent_doc_number] => 06310740 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-30 [patent_title] => 'Disk drive including N-current preamplifier for generating N-independently controlled write currents' [patent_app_type] => 1 [patent_app_number] => 9/342670 [patent_app_country] => US [patent_app_date] => 1999-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 10292 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/310/06310740.pdf [firstpage_image] =>[orig_patent_app_number] => 342670 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/342670
Disk drive including N-current preamplifier for generating N-independently controlled write currents Jun 28, 1999 Issued
09/344132 VARIABLE DISC DRIVE CYLINDER RECORDING SYSTEM Jun 23, 1999 Abandoned
Array ( [id] => 1498912 [patent_doc_number] => 06404572 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-11 [patent_title] => 'Circuit and method for generating a write precompensation signal' [patent_app_type] => B1 [patent_app_number] => 09/305388 [patent_app_country] => US [patent_app_date] => 1999-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 11498 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/404/06404572.pdf [firstpage_image] =>[orig_patent_app_number] => 09305388 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/305388
Circuit and method for generating a write precompensation signal May 4, 1999 Issued
Array ( [id] => 7644720 [patent_doc_number] => 06473253 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-29 [patent_title] => 'Read channel with programmable bandwidth control' [patent_app_type] => B1 [patent_app_number] => 09/300901 [patent_app_country] => US [patent_app_date] => 1999-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 5086 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/473/06473253.pdf [firstpage_image] =>[orig_patent_app_number] => 09300901 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/300901
Read channel with programmable bandwidth control Apr 27, 1999 Issued
Array ( [id] => 1523194 [patent_doc_number] => 06414810 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-02 [patent_title] => 'Read channel equalization with enhanced signal to noise ratio' [patent_app_type] => B1 [patent_app_number] => 09/301192 [patent_app_country] => US [patent_app_date] => 1999-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 978 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/414/06414810.pdf [firstpage_image] =>[orig_patent_app_number] => 09301192 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/301192
Read channel equalization with enhanced signal to noise ratio Apr 27, 1999 Issued
Array ( [id] => 1520286 [patent_doc_number] => 06501611 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-12-31 [patent_title] => 'Data recovery apparatus, method and memory medium for a magnetic memory read/write channel' [patent_app_type] => B1 [patent_app_number] => 09/300293 [patent_app_country] => US [patent_app_date] => 1999-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3004 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/501/06501611.pdf [firstpage_image] =>[orig_patent_app_number] => 09300293 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/300293
Data recovery apparatus, method and memory medium for a magnetic memory read/write channel Apr 26, 1999 Issued
Array ( [id] => 1538289 [patent_doc_number] => 06337779 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-08 [patent_title] => 'Disc-like recording medium, disc drive, and method for reading disc-like recording medium' [patent_app_type] => B1 [patent_app_number] => 09/295904 [patent_app_country] => US [patent_app_date] => 1999-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5044 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/337/06337779.pdf [firstpage_image] =>[orig_patent_app_number] => 09295904 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/295904
Disc-like recording medium, disc drive, and method for reading disc-like recording medium Apr 20, 1999 Issued
Array ( [id] => 1493135 [patent_doc_number] => 06417980 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-09 [patent_title] => 'Magnetic data card servo writer' [patent_app_type] => B1 [patent_app_number] => 09/289427 [patent_app_country] => US [patent_app_date] => 1999-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 32 [patent_no_of_words] => 6161 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/417/06417980.pdf [firstpage_image] =>[orig_patent_app_number] => 09289427 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/289427
Magnetic data card servo writer Apr 8, 1999 Issued
Array ( [id] => 4289780 [patent_doc_number] => 06282044 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => '8V ring clamp circuit' [patent_app_type] => 1 [patent_app_number] => 9/286187 [patent_app_country] => US [patent_app_date] => 1999-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2578 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/282/06282044.pdf [firstpage_image] =>[orig_patent_app_number] => 286187 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/286187
8V ring clamp circuit Apr 4, 1999 Issued
Array ( [id] => 4379771 [patent_doc_number] => 06275347 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Current bias, current sense preamplifier for a magnetoresistive reader' [patent_app_type] => 1 [patent_app_number] => 9/285397 [patent_app_country] => US [patent_app_date] => 1999-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3709 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/275/06275347.pdf [firstpage_image] =>[orig_patent_app_number] => 285397 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/285397
Current bias, current sense preamplifier for a magnetoresistive reader Apr 1, 1999 Issued
Array ( [id] => 1546414 [patent_doc_number] => 06373649 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-16 [patent_title] => 'Reduced head population detection in a disc drive' [patent_app_type] => B1 [patent_app_number] => 09/271541 [patent_app_country] => US [patent_app_date] => 1999-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5295 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/373/06373649.pdf [firstpage_image] =>[orig_patent_app_number] => 09271541 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/271541
Reduced head population detection in a disc drive Mar 17, 1999 Issued
Array ( [id] => 4345695 [patent_doc_number] => 06333840 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-25 [patent_title] => 'Magnetic recording apparatus' [patent_app_type] => 1 [patent_app_number] => 9/270681 [patent_app_country] => US [patent_app_date] => 1999-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 7886 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/333/06333840.pdf [firstpage_image] =>[orig_patent_app_number] => 270681 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/270681
Magnetic recording apparatus Mar 15, 1999 Issued
Array ( [id] => 4233176 [patent_doc_number] => 06011667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Disk drive system configurable for multiple supply voltages' [patent_app_type] => 1 [patent_app_number] => 9/257681 [patent_app_country] => US [patent_app_date] => 1999-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3063 [patent_no_of_claims] => 50 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/011/06011667.pdf [firstpage_image] =>[orig_patent_app_number] => 257681 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/257681
Disk drive system configurable for multiple supply voltages Feb 25, 1999 Issued
Array ( [id] => 4317067 [patent_doc_number] => 06252735 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-06-26 [patent_title] => 'Voltage-biasing, voltage-sensing differential preamplifier for magnetoresistive elements' [patent_app_type] => 1 [patent_app_number] => 9/258022 [patent_app_country] => US [patent_app_date] => 1999-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6186 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/252/06252735.pdf [firstpage_image] =>[orig_patent_app_number] => 258022 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/258022
Voltage-biasing, voltage-sensing differential preamplifier for magnetoresistive elements Feb 24, 1999 Issued
Array ( [id] => 4382948 [patent_doc_number] => 06288859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-11 [patent_title] => 'Device for write compensation in magnetic-media recording' [patent_app_type] => 1 [patent_app_number] => 9/257082 [patent_app_country] => US [patent_app_date] => 1999-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 12 [patent_no_of_words] => 5163 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/288/06288859.pdf [firstpage_image] =>[orig_patent_app_number] => 257082 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/257082
Device for write compensation in magnetic-media recording Feb 23, 1999 Issued
Array ( [id] => 6287660 [patent_doc_number] => 20020054444 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-05-09 [patent_title] => 'PROCESS MANAGEMENT METHOD USING SERVO TRACK WRITER' [patent_app_type] => new [patent_app_number] => 09/249305 [patent_app_country] => US [patent_app_date] => 1999-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4277 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0054/20020054444.pdf [firstpage_image] =>[orig_patent_app_number] => 09249305 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/249305
Process management method using servo track writer Feb 11, 1999 Issued
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