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] => 4189540 [patent_doc_number] => 06084926 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-04 [patent_title] => 'Method and system for demodulating radio signals' [patent_app_type] => 1 [patent_app_number] => 8/986436 [patent_app_country] => US [patent_app_date] => 1997-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3850 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/084/06084926.pdf [firstpage_image] =>[orig_patent_app_number] => 986436 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/986436
Method and system for demodulating radio signals Dec 7, 1997 Issued
Array ( [id] => 4133020 [patent_doc_number] => 06072848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-06 [patent_title] => 'Method and apparatus for constructing a digital phase differentiator incorporating a dynamic decrement counter' [patent_app_type] => 1 [patent_app_number] => 8/980936 [patent_app_country] => US [patent_app_date] => 1997-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2663 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/072/06072848.pdf [firstpage_image] =>[orig_patent_app_number] => 980936 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/980936
Method and apparatus for constructing a digital phase differentiator incorporating a dynamic decrement counter Nov 30, 1997 Issued
Array ( [id] => 4263534 [patent_doc_number] => 06137842 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'System and method for determining the time difference of arrival of a frequency shift keyed signal at two separate receivers' [patent_app_type] => 1 [patent_app_number] => 8/979633 [patent_app_country] => US [patent_app_date] => 1997-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3613 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/137/06137842.pdf [firstpage_image] =>[orig_patent_app_number] => 979633 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/979633
System and method for determining the time difference of arrival of a frequency shift keyed signal at two separate receivers Nov 27, 1997 Issued
Array ( [id] => 4112319 [patent_doc_number] => 06097772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'System and method for detecting speech transmissions in the presence of control signaling' [patent_app_type] => 1 [patent_app_number] => 8/976697 [patent_app_country] => US [patent_app_date] => 1997-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5955 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/097/06097772.pdf [firstpage_image] =>[orig_patent_app_number] => 976697 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/976697
System and method for detecting speech transmissions in the presence of control signaling Nov 23, 1997 Issued
Array ( [id] => 4094609 [patent_doc_number] => 06055265 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Apparatus for receiving GPS signals by utilizing non-coherent DLL' [patent_app_type] => 1 [patent_app_number] => 8/976782 [patent_app_country] => US [patent_app_date] => 1997-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3390 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055265.pdf [firstpage_image] =>[orig_patent_app_number] => 976782 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/976782
Apparatus for receiving GPS signals by utilizing non-coherent DLL Nov 23, 1997 Issued
Array ( [id] => 3962392 [patent_doc_number] => 05991337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Method and apparatus for improving the signal-to-noise ratio of low-magnitude input signals in modems' [patent_app_type] => 1 [patent_app_number] => 8/976698 [patent_app_country] => US [patent_app_date] => 1997-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 7868 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991337.pdf [firstpage_image] =>[orig_patent_app_number] => 976698 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/976698
Method and apparatus for improving the signal-to-noise ratio of low-magnitude input signals in modems Nov 23, 1997 Issued
Array ( [id] => 4418489 [patent_doc_number] => 06173004 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-09 [patent_title] => 'Frequency hopping communication device' [patent_app_type] => 1 [patent_app_number] => 8/975968 [patent_app_country] => US [patent_app_date] => 1997-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1670 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/173/06173004.pdf [firstpage_image] =>[orig_patent_app_number] => 975968 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/975968
Frequency hopping communication device Nov 20, 1997 Issued
Array ( [id] => 4111595 [patent_doc_number] => 06067316 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Circuit for combined xDSL and other services' [patent_app_type] => 1 [patent_app_number] => 8/974395 [patent_app_country] => US [patent_app_date] => 1997-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4549 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/067/06067316.pdf [firstpage_image] =>[orig_patent_app_number] => 974395 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/974395
Circuit for combined xDSL and other services Nov 18, 1997 Issued
Array ( [id] => 4147311 [patent_doc_number] => 06148043 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Viterbi decoder and viterbi decoding method' [patent_app_type] => 1 [patent_app_number] => 8/972936 [patent_app_country] => US [patent_app_date] => 1997-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8572 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/148/06148043.pdf [firstpage_image] =>[orig_patent_app_number] => 972936 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/972936
Viterbi decoder and viterbi decoding method Nov 17, 1997 Issued
Array ( [id] => 4104626 [patent_doc_number] => 06134283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-17 [patent_title] => 'Method and system for synchronizing time-division-duplexed transceivers' [patent_app_type] => 1 [patent_app_number] => 8/972842 [patent_app_country] => US [patent_app_date] => 1997-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 10377 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/134/06134283.pdf [firstpage_image] =>[orig_patent_app_number] => 972842 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/972842
Method and system for synchronizing time-division-duplexed transceivers Nov 17, 1997 Issued
Array ( [id] => 4145829 [patent_doc_number] => 06034993 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Method and apparatus for adaptively equalizing a signal received from a remote transmitter' [patent_app_type] => 1 [patent_app_number] => 8/970836 [patent_app_country] => US [patent_app_date] => 1997-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5594 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/034/06034993.pdf [firstpage_image] =>[orig_patent_app_number] => 970836 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/970836
Method and apparatus for adaptively equalizing a signal received from a remote transmitter Nov 13, 1997 Issued
Array ( [id] => 4128041 [patent_doc_number] => 06047020 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Receiving method and a receiver' [patent_app_type] => 1 [patent_app_number] => 8/952057 [patent_app_country] => US [patent_app_date] => 1997-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4284 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/047/06047020.pdf [firstpage_image] =>[orig_patent_app_number] => 952057 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/952057
Receiving method and a receiver Nov 6, 1997 Issued
Array ( [id] => 4426731 [patent_doc_number] => 06226320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Method and equipment for multirate coding and detection in a multiple access mobile communication system' [patent_app_type] => 1 [patent_app_number] => 8/952059 [patent_app_country] => US [patent_app_date] => 1997-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4433 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/226/06226320.pdf [firstpage_image] =>[orig_patent_app_number] => 952059 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/952059
Method and equipment for multirate coding and detection in a multiple access mobile communication system Nov 6, 1997 Issued
Array ( [id] => 4171854 [patent_doc_number] => 06157671 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Apparatus and method for digitally monitoring a duty cycle of a pulse width modulated signal' [patent_app_type] => 1 [patent_app_number] => 8/964384 [patent_app_country] => US [patent_app_date] => 1997-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3749 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/157/06157671.pdf [firstpage_image] =>[orig_patent_app_number] => 964384 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/964384
Apparatus and method for digitally monitoring a duty cycle of a pulse width modulated signal Nov 5, 1997 Issued
Array ( [id] => 4189606 [patent_doc_number] => 06084931 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-04 [patent_title] => 'Symbol synchronizer based on eye pattern characteristics having variable adaptation rate and adjustable jitter control, and method therefor' [patent_app_type] => 1 [patent_app_number] => 8/962267 [patent_app_country] => US [patent_app_date] => 1997-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 8490 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/084/06084931.pdf [firstpage_image] =>[orig_patent_app_number] => 962267 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/962267
Symbol synchronizer based on eye pattern characteristics having variable adaptation rate and adjustable jitter control, and method therefor Oct 30, 1997 Issued
Array ( [id] => 4173680 [patent_doc_number] => 06115435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-05 [patent_title] => 'Soft decision method and receiver' [patent_app_type] => 1 [patent_app_number] => 8/960669 [patent_app_country] => US [patent_app_date] => 1997-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 4690 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/115/06115435.pdf [firstpage_image] =>[orig_patent_app_number] => 960669 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/960669
Soft decision method and receiver Oct 29, 1997 Issued
Array ( [id] => 4210484 [patent_doc_number] => 06014405 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Spread spectrum multipath receiver without a tracking loop' [patent_app_type] => 1 [patent_app_number] => 8/957733 [patent_app_country] => US [patent_app_date] => 1997-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5468 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/014/06014405.pdf [firstpage_image] =>[orig_patent_app_number] => 957733 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/957733
Spread spectrum multipath receiver without a tracking loop Oct 23, 1997 Issued
Array ( [id] => 4116450 [patent_doc_number] => 06052410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Transmission apparatus, reception apparatus and communication apparatus as well as modem signal transmission and reception method' [patent_app_type] => 1 [patent_app_number] => 8/953649 [patent_app_country] => US [patent_app_date] => 1997-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 26189 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/052/06052410.pdf [firstpage_image] =>[orig_patent_app_number] => 953649 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/953649
Transmission apparatus, reception apparatus and communication apparatus as well as modem signal transmission and reception method Oct 16, 1997 Issued
Array ( [id] => 4171991 [patent_doc_number] => 06157679 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Method of adding encryption/encoding element to the modulation/demodulation process' [patent_app_type] => 1 [patent_app_number] => 8/954348 [patent_app_country] => US [patent_app_date] => 1997-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2955 [patent_no_of_claims] => 20 [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/06/157/06157679.pdf [firstpage_image] =>[orig_patent_app_number] => 954348 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/954348
Method of adding encryption/encoding element to the modulation/demodulation process Oct 16, 1997 Issued
08/953283 SPREAD SPECTRUM TELEMETRY OF PHYSIOLOGICAL SIGNALS Oct 16, 1997 Abandoned
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