
Karl D. Frech
Examiner (ID: 4195, Phone: (571)272-2390 , Office: P/2887 )
| Most Active Art Unit | 2887 |
| Art Unit(s) | 2876, 2505, 2514, 2887 |
| Total Applications | 2278 |
| Issued Applications | 1870 |
| Pending Applications | 125 |
| Abandoned Applications | 285 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2016771
[patent_doc_number] => 04369366
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-01-18
[patent_title] => 'Photoelectric digital measuring instrument balancing circuit'
[patent_app_type] => 1
[patent_app_number] => 6/201038
[patent_app_country] => US
[patent_app_date] => 1980-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1854
[patent_no_of_claims] => 5
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[patent_words_short_claim] => 212
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/369/04369366.pdf
[firstpage_image] =>[orig_patent_app_number] => 201038
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/201038 | Photoelectric digital measuring instrument balancing circuit | Oct 26, 1980 | Issued |
Array
(
[id] => 2219432
[patent_doc_number] => 04614918
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1986-09-30
[patent_title] => 'Frequency generator with digitally controlled phase modulation'
[patent_app_type] => 1
[patent_app_number] => 6/200728
[patent_app_country] => US
[patent_app_date] => 1980-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2508
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 36
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/614/04614918.pdf
[firstpage_image] =>[orig_patent_app_number] => 200728
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/200728 | Frequency generator with digitally controlled phase modulation | Oct 26, 1980 | Issued |
| 06/199558 | OPTICAL RECEIVER WITH IMPROVED DYNAMIC RANGE | Oct 21, 1980 | Abandoned |
Array
(
[id] => 2132963
[patent_doc_number] => 04432098
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1984-02-14
[patent_title] => 'Apparatus and method for transfer of information by means of a curl-free magnetic vector potential field'
[patent_app_type] => 1
[patent_app_number] => 6/198324
[patent_app_country] => US
[patent_app_date] => 1980-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 2698
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[pdf_file] => patents/04/432/04432098.pdf
[firstpage_image] =>[orig_patent_app_number] => 198324
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/198324 | Apparatus and method for transfer of information by means of a curl-free magnetic vector potential field | Oct 19, 1980 | Issued |
Array
(
[id] => 2063023
[patent_doc_number] => 04409594
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-10-11
[patent_title] => 'Apparatus for performing radio frequency pulse modulation with automatic modulation control'
[patent_app_type] => 1
[patent_app_number] => 6/198300
[patent_app_country] => US
[patent_app_date] => 1980-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 1793
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[pdf_file] => patents/04/409/04409594.pdf
[firstpage_image] =>[orig_patent_app_number] => 198300
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/198300 | Apparatus for performing radio frequency pulse modulation with automatic modulation control | Oct 19, 1980 | Issued |
Array
(
[id] => 2103722
[patent_doc_number] => 04429288
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1984-01-31
[patent_title] => 'Apparatus and method for modulation of a curl-free magnetic vector potential field'
[patent_app_type] => 1
[patent_app_number] => 6/198380
[patent_app_country] => US
[patent_app_date] => 1980-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[pdf_file] => patents/04/429/04429288.pdf
[firstpage_image] =>[orig_patent_app_number] => 198380
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/198380 | Apparatus and method for modulation of a curl-free magnetic vector potential field | Oct 19, 1980 | Issued |
Array
(
[id] => 2048232
[patent_doc_number] => 04387348
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-06-07
[patent_title] => 'Phase-controlled high frequency oscillator'
[patent_app_type] => 1
[patent_app_number] => 6/197942
[patent_app_country] => US
[patent_app_date] => 1980-10-17
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/387/04387348.pdf
[firstpage_image] =>[orig_patent_app_number] => 197942
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/197942 | Phase-controlled high frequency oscillator | Oct 16, 1980 | Issued |
Array
(
[id] => 1976170
[patent_doc_number] => 04365213
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-12-21
[patent_title] => 'Low frequency astable oscillator having switchable current sources'
[patent_app_type] => 1
[patent_app_number] => 6/197386
[patent_app_country] => US
[patent_app_date] => 1980-10-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 2496
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[pdf_file] => patents/04/365/04365213.pdf
[firstpage_image] =>[orig_patent_app_number] => 197386
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/197386 | Low frequency astable oscillator having switchable current sources | Oct 15, 1980 | Issued |
Array
(
[id] => 2028357
[patent_doc_number] => 04378533
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-03-29
[patent_title] => 'Modulator for injecting signals into a polyphase power transmission system'
[patent_app_type] => 1
[patent_app_number] => 6/197048
[patent_app_country] => US
[patent_app_date] => 1980-10-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 6420
[patent_no_of_claims] => 3
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[patent_words_short_claim] => 293
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[pdf_file] => patents/04/378/04378533.pdf
[firstpage_image] =>[orig_patent_app_number] => 197048
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/197048 | Modulator for injecting signals into a polyphase power transmission system | Oct 14, 1980 | Issued |
Array
(
[id] => 2006699
[patent_doc_number] => 04401887
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-08-30
[patent_title] => 'Reducing flare in self-scanned photosensor arrays'
[patent_app_type] => 1
[patent_app_number] => 6/192719
[patent_app_country] => US
[patent_app_date] => 1980-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 1000
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[pdf_file] => patents/04/401/04401887.pdf
[firstpage_image] =>[orig_patent_app_number] => 192719
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/192719 | Reducing flare in self-scanned photosensor arrays | Sep 30, 1980 | Issued |
Array
(
[id] => 1976164
[patent_doc_number] => 04365212
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-12-21
[patent_title] => 'Gated oscillator including initialization apparatus for enhancing periodicity'
[patent_app_type] => 1
[patent_app_number] => 6/192364
[patent_app_country] => US
[patent_app_date] => 1980-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 1967
[patent_no_of_claims] => 4
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/365/04365212.pdf
[firstpage_image] =>[orig_patent_app_number] => 192364
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/192364 | Gated oscillator including initialization apparatus for enhancing periodicity | Sep 29, 1980 | Issued |
Array
(
[id] => 2028297
[patent_doc_number] => 04378526
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-03-29
[patent_title] => 'Pulse code demodulator for frequency shift keyed data'
[patent_app_type] => 1
[patent_app_number] => 6/190904
[patent_app_country] => US
[patent_app_date] => 1980-09-25
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/378/04378526.pdf
[firstpage_image] =>[orig_patent_app_number] => 190904
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/190904 | Pulse code demodulator for frequency shift keyed data | Sep 24, 1980 | Issued |
Array
(
[id] => 1981589
[patent_doc_number] => 04359693
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-11-16
[patent_title] => 'Full wave amplitude modulation detector circuit'
[patent_app_type] => 1
[patent_app_number] => 6/187006
[patent_app_country] => US
[patent_app_date] => 1980-09-15
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[pdf_file] => patents/04/359/04359693.pdf
[firstpage_image] =>[orig_patent_app_number] => 187006
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/187006 | Full wave amplitude modulation detector circuit | Sep 14, 1980 | Issued |
Array
(
[id] => 2104873
[patent_doc_number] => 04442349
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1984-04-10
[patent_title] => 'Circuitry for the generation and synchronous detection of optical pulsed signals'
[patent_app_type] => 1
[patent_app_number] => 6/187518
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[pdf_file] => patents/04/442/04442349.pdf
[firstpage_image] =>[orig_patent_app_number] => 187518
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/187518 | Circuitry for the generation and synchronous detection of optical pulsed signals | Sep 14, 1980 | Issued |
Array
(
[id] => 2048863
[patent_doc_number] => 04379271
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-04-05
[patent_title] => 'Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system'
[patent_app_type] => 1
[patent_app_number] => 6/180580
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[pdf_file] => patents/04/379/04379271.pdf
[firstpage_image] =>[orig_patent_app_number] => 180580
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/180580 | Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system | Aug 24, 1980 | Issued |
Array
(
[id] => 1988688
[patent_doc_number] => 04352982
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-10-05
[patent_title] => 'Photodiode circuit using a low noise artificial load resistor'
[patent_app_type] => 1
[patent_app_number] => 6/180078
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[pdf_file] => patents/04/352/04352982.pdf
[firstpage_image] =>[orig_patent_app_number] => 180078
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/180078 | Photodiode circuit using a low noise artificial load resistor | Aug 20, 1980 | Issued |
Array
(
[id] => 1999144
[patent_doc_number] => 04374323
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-02-15
[patent_title] => 'Focusing apparatus for use in a system for recovering information from an optically-readable storage medium'
[patent_app_type] => 1
[patent_app_number] => 6/177148
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[pdf_file] => patents/04/374/04374323.pdf
[firstpage_image] =>[orig_patent_app_number] => 177148
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/177148 | Focusing apparatus for use in a system for recovering information from an optically-readable storage medium | Aug 10, 1980 | Issued |
| 06/202444 | PHASE CORRECTION CIRCUIT | Aug 7, 1980 | Abandoned |
Array
(
[id] => 1934227
[patent_doc_number] => 04347483
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-08-31
[patent_title] => 'Frequency and phase lock loop with separated AFC and phase locking'
[patent_app_type] => 1
[patent_app_number] => 6/172920
[patent_app_country] => US
[patent_app_date] => 1980-07-28
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[pdf_file] => patents/04/347/04347483.pdf
[firstpage_image] =>[orig_patent_app_number] => 172920
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/172920 | Frequency and phase lock loop with separated AFC and phase locking | Jul 27, 1980 | Issued |
Array
(
[id] => 1987379
[patent_doc_number] => 04360788
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[patent_kind] => NA
[patent_issue_date] => 1982-11-23
[patent_title] => 'Phase-locked loop frequency synthesizer'
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[patent_app_number] => 6/168066
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[pdf_file] => patents/04/360/04360788.pdf
[firstpage_image] =>[orig_patent_app_number] => 168066
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/168066 | Phase-locked loop frequency synthesizer | Jul 13, 1980 | Issued |