Search

Frank D. Ducheneaux

Examiner (ID: 11358, Phone: (571)270-7053 , Office: P/1788 )

Most Active Art Unit
1788
Art Unit(s)
1794, 1787, 1788
Total Applications
820
Issued Applications
294
Pending Applications
108
Abandoned Applications
441

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 593685 [patent_doc_number] => 07443623 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-28 [patent_title] => 'Peak detection for magnetic tape timing based servo' [patent_app_type] => utility [patent_app_number] => 12/048090 [patent_app_country] => US [patent_app_date] => 2008-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3451 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/443/07443623.pdf [firstpage_image] =>[orig_patent_app_number] => 12048090 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/048090
Peak detection for magnetic tape timing based servo Mar 12, 2008 Issued
Array ( [id] => 818222 [patent_doc_number] => 07411755 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-08-12 [patent_title] => 'Write driver system for data storage systems' [patent_app_type] => utility [patent_app_number] => 11/511138 [patent_app_country] => US [patent_app_date] => 2006-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3469 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/411/07411755.pdf [firstpage_image] =>[orig_patent_app_number] => 11511138 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/511138
Write driver system for data storage systems Aug 27, 2006 Issued
Array ( [id] => 5686923 [patent_doc_number] => 20060285238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-21 [patent_title] => 'Disk device and method of generating signal representing head' [patent_app_type] => utility [patent_app_number] => 11/507436 [patent_app_country] => US [patent_app_date] => 2006-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 12417 [patent_no_of_claims] => 5 [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/A1/0285/20060285238.pdf [firstpage_image] =>[orig_patent_app_number] => 11507436 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/507436
Disk device and method of generating signal representing head Aug 21, 2006 Issued
Array ( [id] => 436964 [patent_doc_number] => 07262928 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-08-28 [patent_title] => 'Dc-offset compensation loops for magnetic recording system' [patent_app_type] => utility [patent_app_number] => 11/463278 [patent_app_country] => US [patent_app_date] => 2006-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3482 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/262/07262928.pdf [firstpage_image] =>[orig_patent_app_number] => 11463278 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/463278
Dc-offset compensation loops for magnetic recording system Aug 7, 2006 Issued
Array ( [id] => 409757 [patent_doc_number] => 07286312 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-10-23 [patent_title] => 'DC-offset compensation loops for magnetic recording system' [patent_app_type] => utility [patent_app_number] => 11/463280 [patent_app_country] => US [patent_app_date] => 2006-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3478 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/286/07286312.pdf [firstpage_image] =>[orig_patent_app_number] => 11463280 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/463280
DC-offset compensation loops for magnetic recording system Aug 7, 2006 Issued
Array ( [id] => 585065 [patent_doc_number] => 07460323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-12-02 [patent_title] => 'Methods and systems for automatically characterizing non-linearities of a read-back signal of a recording system' [patent_app_type] => utility [patent_app_number] => 11/495007 [patent_app_country] => US [patent_app_date] => 2006-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4917 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/460/07460323.pdf [firstpage_image] =>[orig_patent_app_number] => 11495007 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/495007
Methods and systems for automatically characterizing non-linearities of a read-back signal of a recording system Jul 26, 2006 Issued
Array ( [id] => 929115 [patent_doc_number] => 07315427 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-01-01 [patent_title] => 'Method for checking the quality of servo Gray codes' [patent_app_type] => utility [patent_app_number] => 11/492428 [patent_app_country] => US [patent_app_date] => 2006-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 3885 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/315/07315427.pdf [firstpage_image] =>[orig_patent_app_number] => 11492428 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/492428
Method for checking the quality of servo Gray codes Jul 24, 2006 Issued
Array ( [id] => 588588 [patent_doc_number] => 07453659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-18 [patent_title] => 'Circuit and method for write current driver' [patent_app_type] => utility [patent_app_number] => 11/414979 [patent_app_country] => US [patent_app_date] => 2006-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4876 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/453/07453659.pdf [firstpage_image] =>[orig_patent_app_number] => 11414979 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/414979
Circuit and method for write current driver Apr 30, 2006 Issued
Array ( [id] => 804531 [patent_doc_number] => 07423828 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-09 [patent_title] => 'Off-track write error recovery' [patent_app_type] => utility [patent_app_number] => 11/400106 [patent_app_country] => US [patent_app_date] => 2006-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 4635 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/423/07423828.pdf [firstpage_image] =>[orig_patent_app_number] => 11400106 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/400106
Off-track write error recovery Apr 5, 2006 Issued
Array ( [id] => 5061491 [patent_doc_number] => 20070223130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-27 [patent_title] => 'Circuit for flying height on demand' [patent_app_type] => utility [patent_app_number] => 11/387472 [patent_app_country] => US [patent_app_date] => 2006-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2030 [patent_no_of_claims] => 19 [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/A1/0223/20070223130.pdf [firstpage_image] =>[orig_patent_app_number] => 11387472 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/387472
Circuit for flying height on demand Mar 21, 2006 Issued
Array ( [id] => 5105454 [patent_doc_number] => 20070064329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-22 [patent_title] => 'Storage apparatus, storage apparatus control method, and computer product' [patent_app_type] => utility [patent_app_number] => 11/315946 [patent_app_country] => US [patent_app_date] => 2005-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4883 [patent_no_of_claims] => 15 [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/A1/0064/20070064329.pdf [firstpage_image] =>[orig_patent_app_number] => 11315946 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/315946
Storage apparatus, storage apparatus control method, and computer product Dec 21, 2005 Issued
Array ( [id] => 5864192 [patent_doc_number] => 20060098322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-11 [patent_title] => 'Reproducing head and magnetic disk drive' [patent_app_type] => utility [patent_app_number] => 11/315652 [patent_app_country] => US [patent_app_date] => 2005-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5728 [patent_no_of_claims] => 10 [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/A1/0098/20060098322.pdf [firstpage_image] =>[orig_patent_app_number] => 11315652 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/315652
Reproducing head and magnetic disk drive Dec 21, 2005 Issued
Array ( [id] => 866694 [patent_doc_number] => 07369340 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-05-06 [patent_title] => 'Disk drive detecting disk warping by detecting negative correlation between read signal amplitudes from top and bottom disk surfaces' [patent_app_type] => utility [patent_app_number] => 11/314483 [patent_app_country] => US [patent_app_date] => 2005-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4237 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/369/07369340.pdf [firstpage_image] =>[orig_patent_app_number] => 11314483 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/314483
Disk drive detecting disk warping by detecting negative correlation between read signal amplitudes from top and bottom disk surfaces Dec 20, 2005 Issued
Array ( [id] => 821688 [patent_doc_number] => 07408732 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-05 [patent_title] => 'Shock resistant, high reliability rotating magnetic storage device and method' [patent_app_type] => utility [patent_app_number] => 11/288651 [patent_app_country] => US [patent_app_date] => 2005-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3653 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/408/07408732.pdf [firstpage_image] =>[orig_patent_app_number] => 11288651 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/288651
Shock resistant, high reliability rotating magnetic storage device and method Nov 28, 2005 Issued
Array ( [id] => 5093972 [patent_doc_number] => 20070115581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-24 [patent_title] => 'Peak detection for magnetic tape timing based servo' [patent_app_type] => utility [patent_app_number] => 11/286808 [patent_app_country] => US [patent_app_date] => 2005-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3423 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0115/20070115581.pdf [firstpage_image] =>[orig_patent_app_number] => 11286808 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/286808
Peak detection for magnetic tape timing based servo Nov 21, 2005 Issued
Array ( [id] => 5900212 [patent_doc_number] => 20060044659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-02 [patent_title] => 'Method and apparatus for magnetization test of write head in a disk drive' [patent_app_type] => utility [patent_app_number] => 11/200163 [patent_app_country] => US [patent_app_date] => 2005-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5554 [patent_no_of_claims] => 12 [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/A1/0044/20060044659.pdf [firstpage_image] =>[orig_patent_app_number] => 11200163 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/200163
Method and apparatus for magnetization test of write head in a disk drive Aug 9, 2005 Issued
Array ( [id] => 5879638 [patent_doc_number] => 20060028750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-09 [patent_title] => 'Magnetic recording media and magnetic recording and reproducing apparatus' [patent_app_type] => utility [patent_app_number] => 11/197535 [patent_app_country] => US [patent_app_date] => 2005-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5539 [patent_no_of_claims] => 14 [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/A1/0028/20060028750.pdf [firstpage_image] =>[orig_patent_app_number] => 11197535 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/197535
Magnetic recording media and magnetic recording and reproducing apparatus Aug 4, 2005 Issued
Array ( [id] => 811650 [patent_doc_number] => 07417814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-08-26 [patent_title] => 'Magnetic recording device' [patent_app_type] => utility [patent_app_number] => 11/197493 [patent_app_country] => US [patent_app_date] => 2005-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 3989 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/417/07417814.pdf [firstpage_image] =>[orig_patent_app_number] => 11197493 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/197493
Magnetic recording device Aug 4, 2005 Issued
Array ( [id] => 405449 [patent_doc_number] => 07289284 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-30 [patent_title] => 'Stray field detector, magnetic disk drive, and method of head escaping' [patent_app_type] => utility [patent_app_number] => 11/195202 [patent_app_country] => US [patent_app_date] => 2005-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 8650 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/289/07289284.pdf [firstpage_image] =>[orig_patent_app_number] => 11195202 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/195202
Stray field detector, magnetic disk drive, and method of head escaping Jul 31, 2005 Issued
Array ( [id] => 5797687 [patent_doc_number] => 20060034008 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-16 [patent_title] => 'Failure prediction method for magnetic disk devices, and a magnetic disk device using the same' [patent_app_type] => utility [patent_app_number] => 11/193925 [patent_app_country] => US [patent_app_date] => 2005-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4486 [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/A1/0034/20060034008.pdf [firstpage_image] =>[orig_patent_app_number] => 11193925 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/193925
Failure prediction method for magnetic disk devices, and a magnetic disk device using the same Jul 27, 2005 Issued
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