Search

Chieh M. Fan

Supervisory Patent Examiner (ID: 14027, Phone: (571)272-3042 , Office: P/2632 )

Most Active Art Unit
2634
Art Unit(s)
2634, 2638, 2611, 2632, 2734
Total Applications
425
Issued Applications
292
Pending Applications
98
Abandoned Applications
35

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4346227 [patent_doc_number] => 06314125 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Method and apparatus for the construction and transmission of binary quasi orthogonal vectors' [patent_app_type] => 1 [patent_app_number] => 9/208336 [patent_app_country] => US [patent_app_date] => 1998-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6483 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/314/06314125.pdf [firstpage_image] =>[orig_patent_app_number] => 208336 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/208336
Method and apparatus for the construction and transmission of binary quasi orthogonal vectors Dec 8, 1998 Issued
Array ( [id] => 980677 [patent_doc_number] => 06931050 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-08-16 [patent_title] => 'Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff' [patent_app_type] => utility [patent_app_number] => 09/204734 [patent_app_country] => US [patent_app_date] => 1998-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4814 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/931/06931050.pdf [firstpage_image] =>[orig_patent_app_number] => 09204734 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/204734
Digital receivers and receiving methods that scale for relative strengths of traffic and pilot channels during soft handoff Dec 2, 1998 Issued
Array ( [id] => 1531577 [patent_doc_number] => 06480553 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-12 [patent_title] => 'Gaussian frequency-shift keying transciever for ISM wideband communication' [patent_app_type] => B1 [patent_app_number] => 09/191769 [patent_app_country] => US [patent_app_date] => 1998-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 3815 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/480/06480553.pdf [firstpage_image] =>[orig_patent_app_number] => 09191769 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/191769
Gaussian frequency-shift keying transciever for ISM wideband communication Nov 12, 1998 Issued
09/147232 CALIBRATION DEVICE FOR ARRAY ANTENNA WIRELESS RECEIVER Nov 2, 1998 Abandoned
Array ( [id] => 4343831 [patent_doc_number] => 06320916 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Digital magnetic recording/reproducing apparatus' [patent_app_type] => 1 [patent_app_number] => 9/185097 [patent_app_country] => US [patent_app_date] => 1998-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 9103 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/320/06320916.pdf [firstpage_image] =>[orig_patent_app_number] => 185097 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/185097
Digital magnetic recording/reproducing apparatus Nov 2, 1998 Issued
Array ( [id] => 4142243 [patent_doc_number] => 06128359 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-03 [patent_title] => 'Phase difference magnifier' [patent_app_type] => 1 [patent_app_number] => 9/181034 [patent_app_country] => US [patent_app_date] => 1998-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4883 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/128/06128359.pdf [firstpage_image] =>[orig_patent_app_number] => 181034 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/181034
Phase difference magnifier Oct 26, 1998 Issued
Array ( [id] => 4104405 [patent_doc_number] => 06134268 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-17 [patent_title] => 'Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter' [patent_app_type] => 1 [patent_app_number] => 9/176781 [patent_app_country] => US [patent_app_date] => 1998-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5088 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/134/06134268.pdf [firstpage_image] =>[orig_patent_app_number] => 176781 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/176781
Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter Oct 21, 1998 Issued
09/174861 APPARATUS FOR PERFORMING A NON-INTEGER SAMPLING RATE CHANGE IN A MULTICHANNEL POLYPHASE FILTER Oct 18, 1998 Abandoned
Array ( [id] => 4346620 [patent_doc_number] => 06314151 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Phase comparator operable at half frequency of input signal' [patent_app_type] => 1 [patent_app_number] => 9/167733 [patent_app_country] => US [patent_app_date] => 1998-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 27 [patent_no_of_words] => 2837 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/314/06314151.pdf [firstpage_image] =>[orig_patent_app_number] => 167733 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/167733
Phase comparator operable at half frequency of input signal Oct 6, 1998 Issued
Array ( [id] => 4304331 [patent_doc_number] => 06212224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-03 [patent_title] => 'MIL-STD-1553 buffer/driver' [patent_app_type] => 1 [patent_app_number] => 9/158835 [patent_app_country] => US [patent_app_date] => 1998-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4019 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/212/06212224.pdf [firstpage_image] =>[orig_patent_app_number] => 158835 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/158835
MIL-STD-1553 buffer/driver Sep 22, 1998 Issued
Array ( [id] => 4385702 [patent_doc_number] => 06289040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-11 [patent_title] => 'Hierarchical delay lock loop code tracking system' [patent_app_type] => 1 [patent_app_number] => 9/154033 [patent_app_country] => US [patent_app_date] => 1998-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3551 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/289/06289040.pdf [firstpage_image] =>[orig_patent_app_number] => 154033 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/154033
Hierarchical delay lock loop code tracking system Sep 15, 1998 Issued
Array ( [id] => 4327866 [patent_doc_number] => 06317470 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-13 [patent_title] => 'Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates' [patent_app_type] => 1 [patent_app_number] => 9/153636 [patent_app_country] => US [patent_app_date] => 1998-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4073 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/317/06317470.pdf [firstpage_image] =>[orig_patent_app_number] => 153636 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/153636
Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates Sep 14, 1998 Issued
Array ( [id] => 4369197 [patent_doc_number] => 06201827 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-13 [patent_title] => 'System and method for probability based lock detection' [patent_app_type] => 1 [patent_app_number] => 9/150498 [patent_app_country] => US [patent_app_date] => 1998-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7801 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/201/06201827.pdf [firstpage_image] =>[orig_patent_app_number] => 150498 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/150498
System and method for probability based lock detection Sep 8, 1998 Issued
Array ( [id] => 1567958 [patent_doc_number] => 06339622 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-15 [patent_title] => 'Data transmission device' [patent_app_type] => B1 [patent_app_number] => 09/146958 [patent_app_country] => US [patent_app_date] => 1998-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 3562 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/339/06339622.pdf [firstpage_image] =>[orig_patent_app_number] => 09146958 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/146958
Data transmission device Sep 3, 1998 Issued
Array ( [id] => 1247956 [patent_doc_number] => 06678320 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-01-13 [patent_title] => 'Efficient finite impulse response filter implementation for CDMA waveform generation' [patent_app_type] => B1 [patent_app_number] => 09/144533 [patent_app_country] => US [patent_app_date] => 1998-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3291 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/678/06678320.pdf [firstpage_image] =>[orig_patent_app_number] => 09144533 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/144533
Efficient finite impulse response filter implementation for CDMA waveform generation Aug 30, 1998 Issued
Array ( [id] => 1547486 [patent_doc_number] => 06373903 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-16 [patent_title] => 'Apparatus and method for increasing the effective data rate in communication systems utilizing phase modulation' [patent_app_type] => B1 [patent_app_number] => 09/144359 [patent_app_country] => US [patent_app_date] => 1998-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5168 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/373/06373903.pdf [firstpage_image] =>[orig_patent_app_number] => 09144359 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/144359
Apparatus and method for increasing the effective data rate in communication systems utilizing phase modulation Aug 30, 1998 Issued
Array ( [id] => 4425823 [patent_doc_number] => 06178213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-23 [patent_title] => 'Adaptive data recovery system and methods' [patent_app_type] => 1 [patent_app_number] => 9/139252 [patent_app_country] => US [patent_app_date] => 1998-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5687 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/178/06178213.pdf [firstpage_image] =>[orig_patent_app_number] => 139252 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/139252
Adaptive data recovery system and methods Aug 24, 1998 Issued
Array ( [id] => 4420147 [patent_doc_number] => 06240152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-29 [patent_title] => 'Apparatus and method for switching frequency modes in a phase locked loop system' [patent_app_type] => 1 [patent_app_number] => 9/135756 [patent_app_country] => US [patent_app_date] => 1998-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5753 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/240/06240152.pdf [firstpage_image] =>[orig_patent_app_number] => 135756 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/135756
Apparatus and method for switching frequency modes in a phase locked loop system Aug 17, 1998 Issued
Array ( [id] => 1473583 [patent_doc_number] => 06408036 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Detection circuits' [patent_app_type] => B1 [patent_app_number] => 09/134235 [patent_app_country] => US [patent_app_date] => 1998-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 1791 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/408/06408036.pdf [firstpage_image] =>[orig_patent_app_number] => 09134235 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/134235
Detection circuits Aug 13, 1998 Issued
Array ( [id] => 7644499 [patent_doc_number] => 06473474 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-29 [patent_title] => 'Wide band alias resolving digitally channelized receiver and a memory for use therewith' [patent_app_type] => B1 [patent_app_number] => 09/133479 [patent_app_country] => US [patent_app_date] => 1998-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3331 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/473/06473474.pdf [firstpage_image] =>[orig_patent_app_number] => 09133479 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/133479
Wide band alias resolving digitally channelized receiver and a memory for use therewith Aug 11, 1998 Issued
Menu