Search

Peter John Bertheaud

Examiner (ID: 12431, Phone: (571)272-3476 , Office: P/3746 )

Most Active Art Unit
3746
Art Unit(s)
3746
Total Applications
1340
Issued Applications
927
Pending Applications
95
Abandoned Applications
337

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4151723 [patent_doc_number] => 06061193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Method and apparatus for detection in digital magnetic recording' [patent_app_type] => 1 [patent_app_number] => 8/921138 [patent_app_country] => US [patent_app_date] => 1997-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4972 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/061/06061193.pdf [firstpage_image] =>[orig_patent_app_number] => 921138 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/921138
Method and apparatus for detection in digital magnetic recording Aug 28, 1997 Issued
Array ( [id] => 4371224 [patent_doc_number] => 06191902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-20 [patent_title] => 'Magnetic disk apparatus and magnetic disk medium' [patent_app_type] => 1 [patent_app_number] => 8/925007 [patent_app_country] => US [patent_app_date] => 1997-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 85 [patent_no_of_words] => 16563 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/191/06191902.pdf [firstpage_image] =>[orig_patent_app_number] => 925007 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/925007
Magnetic disk apparatus and magnetic disk medium Aug 26, 1997 Issued
Array ( [id] => 4130109 [patent_doc_number] => 06072648 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-06 [patent_title] => 'System and method for formatting disc surfaces' [patent_app_type] => 1 [patent_app_number] => 8/911322 [patent_app_country] => US [patent_app_date] => 1997-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 7802 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/072/06072648.pdf [firstpage_image] =>[orig_patent_app_number] => 911322 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/911322
System and method for formatting disc surfaces Aug 13, 1997 Issued
Array ( [id] => 4085274 [patent_doc_number] => 05966260 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-12 [patent_title] => 'Magnetic tape recording and reproducing apparatus having four heads and two azimuth angles' [patent_app_type] => 1 [patent_app_number] => 8/909030 [patent_app_country] => US [patent_app_date] => 1997-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 36 [patent_no_of_words] => 7611 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/966/05966260.pdf [firstpage_image] =>[orig_patent_app_number] => 909030 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/909030
Magnetic tape recording and reproducing apparatus having four heads and two azimuth angles Aug 10, 1997 Issued
Array ( [id] => 4010475 [patent_doc_number] => 05986830 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Read/write channel write precompensation system and method using one or more delay clocks' [patent_app_type] => 1 [patent_app_number] => 8/902832 [patent_app_country] => US [patent_app_date] => 1997-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 5475 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/986/05986830.pdf [firstpage_image] =>[orig_patent_app_number] => 902832 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/902832
Read/write channel write precompensation system and method using one or more delay clocks Jul 29, 1997 Issued
Array ( [id] => 4016361 [patent_doc_number] => 06005726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Apparatus for compensating thermal asperity and DC undershoot in the data channel of a disk storage system' [patent_app_type] => 1 [patent_app_number] => 8/895911 [patent_app_country] => US [patent_app_date] => 1997-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 5496 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005726.pdf [firstpage_image] =>[orig_patent_app_number] => 895911 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/895911
Apparatus for compensating thermal asperity and DC undershoot in the data channel of a disk storage system Jul 16, 1997 Issued
Array ( [id] => 4024519 [patent_doc_number] => 05963390 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'Digital servo system having a servo loop, a digital filter including coefficient multiplying means, and coefficient changing means' [patent_app_type] => 1 [patent_app_number] => 8/876905 [patent_app_country] => US [patent_app_date] => 1997-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 3066 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/963/05963390.pdf [firstpage_image] =>[orig_patent_app_number] => 876905 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/876905
Digital servo system having a servo loop, a digital filter including coefficient multiplying means, and coefficient changing means Jun 15, 1997 Issued
Array ( [id] => 4168548 [patent_doc_number] => 06108150 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Formation of servo information and method for servo control therefor in disk drive data storage system' [patent_app_type] => 1 [patent_app_number] => 8/872765 [patent_app_country] => US [patent_app_date] => 1997-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4979 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/108/06108150.pdf [firstpage_image] =>[orig_patent_app_number] => 872765 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/872765
Formation of servo information and method for servo control therefor in disk drive data storage system Jun 4, 1997 Issued
Array ( [id] => 4010636 [patent_doc_number] => 05986841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Disc drive having a serial preamplifier interface with broadcast mode addressing' [patent_app_type] => 1 [patent_app_number] => 8/864501 [patent_app_country] => US [patent_app_date] => 1997-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4918 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/986/05986841.pdf [firstpage_image] =>[orig_patent_app_number] => 864501 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/864501
Disc drive having a serial preamplifier interface with broadcast mode addressing May 28, 1997 Issued
Array ( [id] => 4245093 [patent_doc_number] => 06075667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-13 [patent_title] => 'Method and apparatus for determining head positioning in a magnetic disk drive system using first and second gray codes' [patent_app_type] => 1 [patent_app_number] => 8/845522 [patent_app_country] => US [patent_app_date] => 1997-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 10463 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/075/06075667.pdf [firstpage_image] =>[orig_patent_app_number] => 845522 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/845522
Method and apparatus for determining head positioning in a magnetic disk drive system using first and second gray codes Apr 23, 1997 Issued
Array ( [id] => 4016433 [patent_doc_number] => 06005731 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Channel quality circuit employing a test pattern generator in a sampled amplitude read channel for calibration' [patent_app_type] => 1 [patent_app_number] => 8/844174 [patent_app_country] => US [patent_app_date] => 1997-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 8449 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005731.pdf [firstpage_image] =>[orig_patent_app_number] => 844174 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/844174
Channel quality circuit employing a test pattern generator in a sampled amplitude read channel for calibration Apr 17, 1997 Issued
Array ( [id] => 4095912 [patent_doc_number] => 06025966 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-15 [patent_title] => 'Defect management for automatic track processing without ID field' [patent_app_type] => 1 [patent_app_number] => 8/833142 [patent_app_country] => US [patent_app_date] => 1997-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 13270 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/025/06025966.pdf [firstpage_image] =>[orig_patent_app_number] => 833142 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/833142
Defect management for automatic track processing without ID field Apr 3, 1997 Issued
Array ( [id] => 4250556 [patent_doc_number] => 06091559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Variable zone layout and track pitch parameter considerations for information storage disk drive' [patent_app_type] => 1 [patent_app_number] => 8/829705 [patent_app_country] => US [patent_app_date] => 1997-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 37 [patent_no_of_words] => 16048 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/091/06091559.pdf [firstpage_image] =>[orig_patent_app_number] => 829705 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/829705
Variable zone layout and track pitch parameter considerations for information storage disk drive Mar 25, 1997 Issued
Array ( [id] => 4168890 [patent_doc_number] => 06104557 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Magnetic disk reproduction with offset compensation for thermal asperity' [patent_app_type] => 1 [patent_app_number] => 8/790422 [patent_app_country] => US [patent_app_date] => 1997-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 35 [patent_no_of_words] => 12875 [patent_no_of_claims] => 19 [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/06/104/06104557.pdf [firstpage_image] =>[orig_patent_app_number] => 790422 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/790422
Magnetic disk reproduction with offset compensation for thermal asperity Jan 29, 1997 Issued
Array ( [id] => 4046241 [patent_doc_number] => 05995307 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Method of forcibly judging a sector synchronous signal for a disk reproducing apparatus' [patent_app_type] => 1 [patent_app_number] => 8/772847 [patent_app_country] => US [patent_app_date] => 1996-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3056 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/995/05995307.pdf [firstpage_image] =>[orig_patent_app_number] => 772847 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/772847
Method of forcibly judging a sector synchronous signal for a disk reproducing apparatus Dec 23, 1996 Issued
Array ( [id] => 3958840 [patent_doc_number] => 05991104 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Using servowriter medium for quickly written servo-patterns on magnetic media' [patent_app_type] => 1 [patent_app_number] => 8/757908 [patent_app_country] => US [patent_app_date] => 1996-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 9434 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991104.pdf [firstpage_image] =>[orig_patent_app_number] => 757908 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/757908
Using servowriter medium for quickly written servo-patterns on magnetic media Nov 26, 1996 Issued
Array ( [id] => 4010624 [patent_doc_number] => 05986840 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Amplifier with capacitive feedback for driving a magneto-resistive head' [patent_app_type] => 1 [patent_app_number] => 8/733325 [patent_app_country] => US [patent_app_date] => 1996-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 22 [patent_no_of_words] => 6097 [patent_no_of_claims] => 7 [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/05/986/05986840.pdf [firstpage_image] =>[orig_patent_app_number] => 733325 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/733325
Amplifier with capacitive feedback for driving a magneto-resistive head Oct 16, 1996 Issued
Array ( [id] => 4010598 [patent_doc_number] => 05986839 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-16 [patent_title] => 'Electronic magnetoresistive sensor biasing using a transducer equivalent circuit and current sources' [patent_app_type] => 1 [patent_app_number] => 8/718072 [patent_app_country] => US [patent_app_date] => 1996-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 32 [patent_no_of_words] => 9116 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/986/05986839.pdf [firstpage_image] =>[orig_patent_app_number] => 718072 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/718072
Electronic magnetoresistive sensor biasing using a transducer equivalent circuit and current sources Sep 16, 1996 Issued
Array ( [id] => 4077134 [patent_doc_number] => 06008960 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Split table generator and method for format data compression in disk drives' [patent_app_type] => 1 [patent_app_number] => 8/702389 [patent_app_country] => US [patent_app_date] => 1996-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 14854 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/008/06008960.pdf [firstpage_image] =>[orig_patent_app_number] => 702389 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/702389
Split table generator and method for format data compression in disk drives Aug 13, 1996 Issued
Array ( [id] => 4307994 [patent_doc_number] => 06198587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-06 [patent_title] => 'Recording information reproducing apparatus for increasing an amplitude of a high frequency component of the reproduced signal' [patent_app_type] => 1 [patent_app_number] => 8/680985 [patent_app_country] => US [patent_app_date] => 1996-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4472 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/198/06198587.pdf [firstpage_image] =>[orig_patent_app_number] => 680985 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/680985
Recording information reproducing apparatus for increasing an amplitude of a high frequency component of the reproduced signal Jul 15, 1996 Issued
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