Search

Chi H. Pham

Supervisory Patent Examiner (ID: 13092, Phone: (571)272-3179 , Office: P/2471 )

Most Active Art Unit
2611
Art Unit(s)
2611, 2616, 2471, 2745, 2667, 2607, 2731, 2631
Total Applications
629
Issued Applications
521
Pending Applications
51
Abandoned Applications
57

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3130332 [patent_doc_number] => 05410747 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-25 [patent_title] => 'Dual conversion transmitter' [patent_app_type] => 1 [patent_app_number] => 8/092667 [patent_app_country] => US [patent_app_date] => 1993-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2181 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/410/05410747.pdf [firstpage_image] =>[orig_patent_app_number] => 092667 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/092667
Dual conversion transmitter Jul 13, 1993 Issued
Array ( [id] => 3487898 [patent_doc_number] => 05428838 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Diode mixer implemented in a planar monolithic IC' [patent_app_type] => 1 [patent_app_number] => 8/091944 [patent_app_country] => US [patent_app_date] => 1993-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2951 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/428/05428838.pdf [firstpage_image] =>[orig_patent_app_number] => 091944 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/091944
Diode mixer implemented in a planar monolithic IC Jul 12, 1993 Issued
Array ( [id] => 3439461 [patent_doc_number] => 05404583 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'Portable communication system with concealing features' [patent_app_type] => 1 [patent_app_number] => 8/090894 [patent_app_country] => US [patent_app_date] => 1993-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 4122 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/404/05404583.pdf [firstpage_image] =>[orig_patent_app_number] => 090894 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/090894
Portable communication system with concealing features Jul 11, 1993 Issued
Array ( [id] => 3436342 [patent_doc_number] => 05423072 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-06 [patent_title] => 'Testing transmitter-receiver apparatus for sector cell base station' [patent_app_type] => 1 [patent_app_number] => 8/089374 [patent_app_country] => US [patent_app_date] => 1993-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1239 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/423/05423072.pdf [firstpage_image] =>[orig_patent_app_number] => 089374 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/089374
Testing transmitter-receiver apparatus for sector cell base station Jul 11, 1993 Issued
Array ( [id] => 3592998 [patent_doc_number] => 05499386 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-12 [patent_title] => 'Best server selection in layered cellular radio system' [patent_app_type] => 1 [patent_app_number] => 8/090734 [patent_app_country] => US [patent_app_date] => 1993-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 9024 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/499/05499386.pdf [firstpage_image] =>[orig_patent_app_number] => 090734 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/090734
Best server selection in layered cellular radio system Jul 8, 1993 Issued
Array ( [id] => 3015801 [patent_doc_number] => 05331412 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Tamper resistant apparatus for a CATV system' [patent_app_type] => 1 [patent_app_number] => 8/088582 [patent_app_country] => US [patent_app_date] => 1993-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3683 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/331/05331412.pdf [firstpage_image] =>[orig_patent_app_number] => 088582 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/088582
Tamper resistant apparatus for a CATV system Jul 8, 1993 Issued
Array ( [id] => 3502485 [patent_doc_number] => 05471663 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-28 [patent_title] => 'Expanded microcomputer system for controlling radio frequency interference' [patent_app_type] => 1 [patent_app_number] => 8/083584 [patent_app_country] => US [patent_app_date] => 1993-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6287 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/471/05471663.pdf [firstpage_image] =>[orig_patent_app_number] => 083584 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/083584
Expanded microcomputer system for controlling radio frequency interference Jun 30, 1993 Issued
Array ( [id] => 3545071 [patent_doc_number] => 05584059 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-10 [patent_title] => 'DC offset reduction in a zero-if transmitter' [patent_app_type] => 1 [patent_app_number] => 8/085439 [patent_app_country] => US [patent_app_date] => 1993-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3276 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/584/05584059.pdf [firstpage_image] =>[orig_patent_app_number] => 085439 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/085439
DC offset reduction in a zero-if transmitter Jun 29, 1993 Issued
08/085124 LOGGING RECORDER SYSTEM FOR TRUNKING RADIO Jun 28, 1993 Pending
Array ( [id] => 3577050 [patent_doc_number] => 05483668 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-09 [patent_title] => 'Method and apparatus providing handoff of a mobile station between base stations using parallel communication links established with different time slots' [patent_app_type] => 1 [patent_app_number] => 8/080934 [patent_app_country] => US [patent_app_date] => 1993-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4220 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/483/05483668.pdf [firstpage_image] =>[orig_patent_app_number] => 080934 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/080934
Method and apparatus providing handoff of a mobile station between base stations using parallel communication links established with different time slots Jun 21, 1993 Issued
Array ( [id] => 3439546 [patent_doc_number] => 05404589 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'FM receiver with dynamic intermediate frequency (IF) filter tuning' [patent_app_type] => 1 [patent_app_number] => 8/079714 [patent_app_country] => US [patent_app_date] => 1993-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4211 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/404/05404589.pdf [firstpage_image] =>[orig_patent_app_number] => 079714 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/079714
FM receiver with dynamic intermediate frequency (IF) filter tuning Jun 17, 1993 Issued
Array ( [id] => 3436187 [patent_doc_number] => 05423061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-06 [patent_title] => 'Method for providing dispatch services to communication groups and multiple communication groups' [patent_app_type] => 1 [patent_app_number] => 8/069324 [patent_app_country] => US [patent_app_date] => 1993-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3419 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/423/05423061.pdf [firstpage_image] =>[orig_patent_app_number] => 069324 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/069324
Method for providing dispatch services to communication groups and multiple communication groups May 31, 1993 Issued
Array ( [id] => 3035941 [patent_doc_number] => 05327580 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-05 [patent_title] => 'Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode' [patent_app_type] => 1 [patent_app_number] => 8/070030 [patent_app_country] => US [patent_app_date] => 1993-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7526 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/327/05327580.pdf [firstpage_image] =>[orig_patent_app_number] => 070030 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/070030
Full duplex RF repeater/base station providing microprocessor-controlled simultaneous CTCSS tone encode/decode May 31, 1993 Issued
Array ( [id] => 3139397 [patent_doc_number] => 05437060 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Apparatus and method for reducing interference in a communications system' [patent_app_type] => 1 [patent_app_number] => 8/069894 [patent_app_country] => US [patent_app_date] => 1993-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1893 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/437/05437060.pdf [firstpage_image] =>[orig_patent_app_number] => 069894 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/069894
Apparatus and method for reducing interference in a communications system May 31, 1993 Issued
Array ( [id] => 3420480 [patent_doc_number] => 05438695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Radio-link continuity keeping equipment in cellular telephone mobile station' [patent_app_type] => 1 [patent_app_number] => 8/062724 [patent_app_country] => US [patent_app_date] => 1993-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3689 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438695.pdf [firstpage_image] =>[orig_patent_app_number] => 062724 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/062724
Radio-link continuity keeping equipment in cellular telephone mobile station May 17, 1993 Issued
Array ( [id] => 3128423 [patent_doc_number] => 05396646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-07 [patent_title] => 'Radio frequency communications system' [patent_app_type] => 1 [patent_app_number] => 8/063935 [patent_app_country] => US [patent_app_date] => 1993-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1775 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/396/05396646.pdf [firstpage_image] =>[orig_patent_app_number] => 063935 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/063935
Radio frequency communications system May 16, 1993 Issued
Array ( [id] => 3507301 [patent_doc_number] => 05537674 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-16 [patent_title] => 'Receiver capable of selectively receiving signals at frequencies corresponding to stored broadcasting stations' [patent_app_type] => 1 [patent_app_number] => 8/061500 [patent_app_country] => US [patent_app_date] => 1993-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 6580 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/537/05537674.pdf [firstpage_image] =>[orig_patent_app_number] => 061500 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/061500
Receiver capable of selectively receiving signals at frequencies corresponding to stored broadcasting stations May 13, 1993 Issued
Array ( [id] => 3466135 [patent_doc_number] => 05379455 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-03 [patent_title] => 'Modular distributed antenna system' [patent_app_type] => 1 [patent_app_number] => 8/060499 [patent_app_country] => US [patent_app_date] => 1993-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2751 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/379/05379455.pdf [firstpage_image] =>[orig_patent_app_number] => 060499 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/060499
Modular distributed antenna system May 9, 1993 Issued
08/056510 WRISTWATCH RADIO COMMUNICATION DEVICE HAVING AN IMPROVED NOISE SHIELDING STRUCTURE May 2, 1993 Pending
Array ( [id] => 3474013 [patent_doc_number] => 05392458 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-21 [patent_title] => 'Trunked communication system with variable communication capability support for roamers' [patent_app_type] => 1 [patent_app_number] => 8/052845 [patent_app_country] => US [patent_app_date] => 1993-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1876 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/392/05392458.pdf [firstpage_image] =>[orig_patent_app_number] => 052845 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/052845
Trunked communication system with variable communication capability support for roamers Apr 27, 1993 Issued
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