
Timothy P. Callahan
Director (ID: 5413, Phone: (571)272-4066 , Office: P/2400 )
| Most Active Art Unit | 2504 |
| Art Unit(s) | 2899, 2504, 2816 |
| Total Applications | 793 |
| Issued Applications | 652 |
| Pending Applications | 7 |
| Abandoned Applications | 134 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2596589
[patent_doc_number] => 04918338
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-17
[patent_title] => 'Drain-biassed transresistance device for continuous time filters'
[patent_app_type] => 1
[patent_app_number] => 7/253794
[patent_app_country] => US
[patent_app_date] => 1988-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 4992
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[pdf_file] => patents/04/918/04918338.pdf
[firstpage_image] =>[orig_patent_app_number] => 253794
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/253794 | Drain-biassed transresistance device for continuous time filters | Oct 3, 1988 | Issued |
Array
(
[id] => 2629581
[patent_doc_number] => 04920279
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-24
[patent_title] => 'Method to expand an analog signal and device to implement the method'
[patent_app_type] => 1
[patent_app_number] => 7/250392
[patent_app_country] => US
[patent_app_date] => 1988-09-28
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 250392
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/250392 | Method to expand an analog signal and device to implement the method | Sep 27, 1988 | Issued |
Array
(
[id] => 2633031
[patent_doc_number] => 04916330
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-10
[patent_title] => 'Signal level transforming circuit'
[patent_app_type] => 1
[patent_app_number] => 7/249157
[patent_app_country] => US
[patent_app_date] => 1988-09-26
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/916/04916330.pdf
[firstpage_image] =>[orig_patent_app_number] => 249157
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/249157 | Signal level transforming circuit | Sep 25, 1988 | Issued |
Array
(
[id] => 2488100
[patent_doc_number] => 04866314
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-09-12
[patent_title] => 'Programmable high-speed digital delay circuit'
[patent_app_type] => 1
[patent_app_number] => 7/248290
[patent_app_country] => US
[patent_app_date] => 1988-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[firstpage_image] =>[orig_patent_app_number] => 248290
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/248290 | Programmable high-speed digital delay circuit | Sep 19, 1988 | Issued |
Array
(
[id] => 2590335
[patent_doc_number] => 04908531
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-03-13
[patent_title] => 'Monolithic active isolator'
[patent_app_type] => 1
[patent_app_number] => 7/246425
[patent_app_country] => US
[patent_app_date] => 1988-09-19
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[firstpage_image] =>[orig_patent_app_number] => 246425
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/246425 | Monolithic active isolator | Sep 18, 1988 | Issued |
Array
(
[id] => 2624045
[patent_doc_number] => 04894560
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-01-16
[patent_title] => 'Dual-slope waveform generation circuit'
[patent_app_type] => 1
[patent_app_number] => 7/247048
[patent_app_country] => US
[patent_app_date] => 1988-09-16
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 247048
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/247048 | Dual-slope waveform generation circuit | Sep 15, 1988 | Issued |
Array
(
[id] => 2591436
[patent_doc_number] => 04963768
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-10-16
[patent_title] => 'Flexible, programmable cell array interconnected by a programmable switch matrix'
[patent_app_type] => 1
[patent_app_number] => 7/243574
[patent_app_country] => US
[patent_app_date] => 1988-09-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 55
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[patent_no_of_words] => 16791
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[pdf_file] => patents/04/963/04963768.pdf
[firstpage_image] =>[orig_patent_app_number] => 243574
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/243574 | Flexible, programmable cell array interconnected by a programmable switch matrix | Sep 11, 1988 | Issued |
| 07/240648 | PREVENTION AGAINST NOISE OF DIGITAL AUDIO CIRCUIT | Sep 5, 1988 | Abandoned |
Array
(
[id] => 2527733
[patent_doc_number] => 04883992
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-11-28
[patent_title] => 'Temperature compensated voltage generator'
[patent_app_type] => 1
[patent_app_number] => 7/240279
[patent_app_country] => US
[patent_app_date] => 1988-09-06
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/883/04883992.pdf
[firstpage_image] =>[orig_patent_app_number] => 240279
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/240279 | Temperature compensated voltage generator | Sep 5, 1988 | Issued |
Array
(
[id] => 2518059
[patent_doc_number] => 04851718
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-07-25
[patent_title] => 'Active filter type signal adjusting circuit'
[patent_app_type] => 1
[patent_app_number] => 7/239656
[patent_app_country] => US
[patent_app_date] => 1988-09-02
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[pdf_file] => patents/04/851/04851718.pdf
[firstpage_image] =>[orig_patent_app_number] => 239656
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/239656 | Active filter type signal adjusting circuit | Sep 1, 1988 | Issued |
Array
(
[id] => 2480487
[patent_doc_number] => 04871933
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-10-03
[patent_title] => 'High-speed static differential sense amplifier'
[patent_app_type] => 1
[patent_app_number] => 7/239130
[patent_app_country] => US
[patent_app_date] => 1988-08-31
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/871/04871933.pdf
[firstpage_image] =>[orig_patent_app_number] => 239130
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/239130 | High-speed static differential sense amplifier | Aug 30, 1988 | Issued |
Array
(
[id] => 2591255
[patent_doc_number] => 04908579
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-03-13
[patent_title] => 'Switched capacitor sampling filter'
[patent_app_type] => 1
[patent_app_number] => 7/235495
[patent_app_country] => US
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[pdf_file] => patents/04/908/04908579.pdf
[firstpage_image] =>[orig_patent_app_number] => 235495
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/235495 | Switched capacitor sampling filter | Aug 23, 1988 | Issued |
Array
(
[id] => 2527138
[patent_doc_number] => 04880995
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-11-14
[patent_title] => 'Electrically isolated MOSFET drive circuit'
[patent_app_type] => 1
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[pdf_file] => patents/04/880/04880995.pdf
[firstpage_image] =>[orig_patent_app_number] => 233855
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/233855 | Electrically isolated MOSFET drive circuit | Aug 17, 1988 | Issued |
Array
(
[id] => 2822744
[patent_doc_number] => 05081379
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-01-14
[patent_title] => 'Current-sensing circuit for an IC power semiconductor device'
[patent_app_type] => 1
[patent_app_number] => 7/233969
[patent_app_country] => US
[patent_app_date] => 1988-08-18
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[pdf_file] => patents/05/081/05081379.pdf
[firstpage_image] =>[orig_patent_app_number] => 233969
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/233969 | Current-sensing circuit for an IC power semiconductor device | Aug 17, 1988 | Issued |
| 07/233097 | CLOCK GENERATOR CIRCUIT PROVIDING REDUCED CURRENT CONSUMPTION | Aug 14, 1988 | Abandoned |
Array
(
[id] => 2597706
[patent_doc_number] => 04933571
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[patent_issue_date] => 1990-06-12
[patent_title] => 'Synchronizing flip-flop circuit configuration'
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[pdf_file] => patents/04/933/04933571.pdf
[firstpage_image] =>[orig_patent_app_number] => 232315
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/232315 | Synchronizing flip-flop circuit configuration | Aug 14, 1988 | Issued |
Array
(
[id] => 2646595
[patent_doc_number] => 04939392
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[patent_kind] => NA
[patent_issue_date] => 1990-07-03
[patent_title] => 'Output circuit for driving a memory device output lead including a three-state inverting buffer and a transfer gate coupled between the buffer input lead and the buffer output lead'
[patent_app_type] => 1
[patent_app_number] => 7/231123
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[firstpage_image] =>[orig_patent_app_number] => 231123
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/231123 | Output circuit for driving a memory device output lead including a three-state inverting buffer and a transfer gate coupled between the buffer input lead and the buffer output lead | Aug 10, 1988 | Issued |
Array
(
[id] => 2629985
[patent_doc_number] => 04950920
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-21
[patent_title] => 'Complementary signal output circuit with reduced skew'
[patent_app_type] => 1
[patent_app_number] => 7/230549
[patent_app_country] => US
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[pdf_file] => patents/04/950/04950920.pdf
[firstpage_image] =>[orig_patent_app_number] => 230549
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/230549 | Complementary signal output circuit with reduced skew | Aug 9, 1988 | Issued |
Array
(
[id] => 2642907
[patent_doc_number] => 04914398
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-03
[patent_title] => 'Method and circuitry to suppress additive disturbances in data channels containing MR sensors'
[patent_app_type] => 1
[patent_app_number] => 7/226634
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[patent_app_date] => 1988-08-01
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[pdf_file] => patents/04/914/04914398.pdf
[firstpage_image] =>[orig_patent_app_number] => 226634
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/226634 | Method and circuitry to suppress additive disturbances in data channels containing MR sensors | Jul 31, 1988 | Issued |
Array
(
[id] => 2495574
[patent_doc_number] => 04843258
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1989-06-27
[patent_title] => 'Drive circuit with a ring oscillator for a semiconductor device'
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[firstpage_image] =>[orig_patent_app_number] => 226087
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/226087 | Drive circuit with a ring oscillator for a semiconductor device | Jul 28, 1988 | Issued |