Search

Timothy P. Callahan

Director (ID: 14944, Phone: (571)272-4066 , Office: P/2400 )

Most Active Art Unit
2504
Art Unit(s)
2504, 2816, 2899
Total Applications
793
Issued Applications
652
Pending Applications
7
Abandoned Applications
134

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3059785 [patent_doc_number] => 05345186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-06 [patent_title] => 'Retriggered oscillator for jitter-free phase locked loop frequency synthesis' [patent_app_type] => 1 [patent_app_number] => 8/005651 [patent_app_country] => US [patent_app_date] => 1993-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4725 [patent_no_of_claims] => 7 [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/05/345/05345186.pdf [firstpage_image] =>[orig_patent_app_number] => 005651 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/005651
Retriggered oscillator for jitter-free phase locked loop frequency synthesis Jan 18, 1993 Issued
Array ( [id] => 3024221 [patent_doc_number] => 05302908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'High precision phase comparator and phase locked loop' [patent_app_type] => 1 [patent_app_number] => 7/995163 [patent_app_country] => US [patent_app_date] => 1992-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 6119 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/302/05302908.pdf [firstpage_image] =>[orig_patent_app_number] => 995163 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/995163
High precision phase comparator and phase locked loop Dec 21, 1992 Issued
Array ( [id] => 3077571 [patent_doc_number] => 05365122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-15 [patent_title] => 'Meta stable resistant signal detector' [patent_app_type] => 1 [patent_app_number] => 7/989492 [patent_app_country] => US [patent_app_date] => 1992-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3111 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/365/05365122.pdf [firstpage_image] =>[orig_patent_app_number] => 989492 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/989492
Meta stable resistant signal detector Dec 9, 1992 Issued
Array ( [id] => 3098401 [patent_doc_number] => 05291081 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-01 [patent_title] => 'Apparatus for detection of non-modulated signal and frequency acquisition' [patent_app_type] => 1 [patent_app_number] => 7/971134 [patent_app_country] => US [patent_app_date] => 1992-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5270 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/291/05291081.pdf [firstpage_image] =>[orig_patent_app_number] => 971134 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/971134
Apparatus for detection of non-modulated signal and frequency acquisition Nov 3, 1992 Issued
Array ( [id] => 3099541 [patent_doc_number] => 05291144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-01 [patent_title] => 'Phase-locked circuit capable of being quickly put in a phase-locked state' [patent_app_type] => 1 [patent_app_number] => 7/954656 [patent_app_country] => US [patent_app_date] => 1992-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5327 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 370 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/291/05291144.pdf [firstpage_image] =>[orig_patent_app_number] => 954656 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/954656
Phase-locked circuit capable of being quickly put in a phase-locked state Sep 29, 1992 Issued
Array ( [id] => 2959895 [patent_doc_number] => 05243239 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Integrated MOSFET resistance and oscillator frequency control and trim methods and apparatus' [patent_app_type] => 1 [patent_app_number] => 7/940764 [patent_app_country] => US [patent_app_date] => 1992-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 4365 [patent_no_of_claims] => 14 [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/05/243/05243239.pdf [firstpage_image] =>[orig_patent_app_number] => 940764 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/940764
Integrated MOSFET resistance and oscillator frequency control and trim methods and apparatus Sep 3, 1992 Issued
07/937545 PROCESS INDEPENDENT DIGITAL CLOCK SIGNAL SHAPING NETWORK Aug 27, 1992 Abandoned
Array ( [id] => 3125942 [patent_doc_number] => 05381126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Programmable difference flag logic' [patent_app_type] => 1 [patent_app_number] => 7/923855 [patent_app_country] => US [patent_app_date] => 1992-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 6848 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381126.pdf [firstpage_image] =>[orig_patent_app_number] => 923855 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/923855
Programmable difference flag logic Jul 30, 1992 Issued
Array ( [id] => 2925159 [patent_doc_number] => 05192915 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-09 [patent_title] => 'Edge integrating phase detector' [patent_app_type] => 1 [patent_app_number] => 7/920180 [patent_app_country] => US [patent_app_date] => 1992-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1661 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/192/05192915.pdf [firstpage_image] =>[orig_patent_app_number] => 920180 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/920180
Edge integrating phase detector Jul 26, 1992 Issued
Array ( [id] => 3023400 [patent_doc_number] => 05302864 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-12 [patent_title] => 'Analog standard cell' [patent_app_type] => 1 [patent_app_number] => 7/921360 [patent_app_country] => US [patent_app_date] => 1992-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1890 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/302/05302864.pdf [firstpage_image] =>[orig_patent_app_number] => 921360 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/921360
Analog standard cell Jul 26, 1992 Issued
07/908747 MONOSTABLE MULTIVIBRATOR Jul 5, 1992 Abandoned
Array ( [id] => 3019257 [patent_doc_number] => 05309111 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Apparatus for measuring skew timing errors' [patent_app_type] => 1 [patent_app_number] => 7/904632 [patent_app_country] => US [patent_app_date] => 1992-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3031 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/309/05309111.pdf [firstpage_image] =>[orig_patent_app_number] => 904632 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/904632
Apparatus for measuring skew timing errors Jun 25, 1992 Issued
Array ( [id] => 3070366 [patent_doc_number] => 05311141 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Active filter circuit' [patent_app_type] => 1 [patent_app_number] => 7/903965 [patent_app_country] => US [patent_app_date] => 1992-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 12730 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 678 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/311/05311141.pdf [firstpage_image] =>[orig_patent_app_number] => 903965 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/903965
Active filter circuit Jun 25, 1992 Issued
Array ( [id] => 3076070 [patent_doc_number] => 05336938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-09 [patent_title] => 'Apparatus for generating an asynchronous status flag with defined minimum pulse' [patent_app_type] => 1 [patent_app_number] => 7/904431 [patent_app_country] => US [patent_app_date] => 1992-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5286 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/336/05336938.pdf [firstpage_image] =>[orig_patent_app_number] => 904431 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/904431
Apparatus for generating an asynchronous status flag with defined minimum pulse Jun 24, 1992 Issued
Array ( [id] => 3080181 [patent_doc_number] => 05296748 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Clock distribution system' [patent_app_type] => 1 [patent_app_number] => 7/903692 [patent_app_country] => US [patent_app_date] => 1992-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4159 [patent_no_of_claims] => 11 [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/05/296/05296748.pdf [firstpage_image] =>[orig_patent_app_number] => 903692 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/903692
Clock distribution system Jun 23, 1992 Issued
Array ( [id] => 3053749 [patent_doc_number] => 05304940 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-19 [patent_title] => 'Unwanted signal suppression device' [patent_app_type] => 1 [patent_app_number] => 7/901566 [patent_app_country] => US [patent_app_date] => 1992-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 34 [patent_no_of_words] => 12567 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/304/05304940.pdf [firstpage_image] =>[orig_patent_app_number] => 901566 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/901566
Unwanted signal suppression device Jun 18, 1992 Issued
07/895251 OUTPUT DRIVER FOR REDUCING TRANSIENT NOISE IN INTEGRATED CIRCUITS Jun 7, 1992 Abandoned
07/892543 ARBITER WITH TEST CAPABILITY May 31, 1992 Abandoned
Array ( [id] => 3015059 [patent_doc_number] => 05276368 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'Frequency discriminator' [patent_app_type] => 1 [patent_app_number] => 7/890156 [patent_app_country] => US [patent_app_date] => 1992-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2549 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/276/05276368.pdf [firstpage_image] =>[orig_patent_app_number] => 890156 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/890156
Frequency discriminator May 28, 1992 Issued
Array ( [id] => 3014818 [patent_doc_number] => 05276356 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-04 [patent_title] => 'High speed output circuit having current driving capability which is independent of temperature and power supply voltage' [patent_app_type] => 1 [patent_app_number] => 7/886352 [patent_app_country] => US [patent_app_date] => 1992-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3904 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/276/05276356.pdf [firstpage_image] =>[orig_patent_app_number] => 886352 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/886352
High speed output circuit having current driving capability which is independent of temperature and power supply voltage May 20, 1992 Issued
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