| Application number | Title of the application | Filing Date | Status |
|---|
Array
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[patent_doc_number] => 05590204
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1996-12-31
[patent_title] => 'Device for reproducing 2-channel sound field and method therefor'
[patent_app_type] => 1
[patent_app_number] => 7/987449
[patent_app_country] => US
[patent_app_date] => 1992-12-07
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[firstpage_image] =>[orig_patent_app_number] => 987449
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/987449 | Device for reproducing 2-channel sound field and method therefor | Dec 6, 1992 | Issued |
| 07/986596 | ELECTRONIC STETHOSCOPE | Dec 6, 1992 | Abandoned |
| 07/984405 | NOISE REDUCING MICROPHONE APPARATUS | Dec 1, 1992 | Abandoned |
Array
(
[id] => 3093619
[patent_doc_number] => 05280528
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-01-18
[patent_title] => 'Band pass filter circuit for rear channel filtering in a surround processor'
[patent_app_type] => 1
[patent_app_number] => 7/983689
[patent_app_country] => US
[patent_app_date] => 1992-12-01
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[pdf_file] => patents/05/280/05280528.pdf
[firstpage_image] =>[orig_patent_app_number] => 983689
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/983689 | Band pass filter circuit for rear channel filtering in a surround processor | Nov 30, 1992 | Issued |
Array
(
[id] => 3069523
[patent_doc_number] => 05339363
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-08-16
[patent_title] => 'Apparatus for enhancing monophonic audio signals using phase shifters'
[patent_app_type] => 1
[patent_app_number] => 7/983645
[patent_app_country] => US
[patent_app_date] => 1992-12-01
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[firstpage_image] =>[orig_patent_app_number] => 983645
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Array
(
[id] => 3427204
[patent_doc_number] => 05394478
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1995-02-28
[patent_title] => 'Low frequency sound generation system for use in vehicular passenger compartments'
[patent_app_type] => 1
[patent_app_number] => 7/977677
[patent_app_country] => US
[patent_app_date] => 1992-11-18
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/394/05394478.pdf
[firstpage_image] =>[orig_patent_app_number] => 977677
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/977677 | Low frequency sound generation system for use in vehicular passenger compartments | Nov 17, 1992 | Issued |
Array
(
[id] => 3057888
[patent_doc_number] => 05335283
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-08-02
[patent_title] => 'Loudspeaker apparatus for electronic keyboard musical instrument'
[patent_app_type] => 1
[patent_app_number] => 7/975336
[patent_app_country] => US
[patent_app_date] => 1992-11-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/05/335/05335283.pdf
[firstpage_image] =>[orig_patent_app_number] => 975336
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/975336 | Loudspeaker apparatus for electronic keyboard musical instrument | Nov 15, 1992 | Issued |
| 07/975679 | AUDIO SIGNAL OUTPUT DEVICE | Nov 12, 1992 | Abandoned |
Array
(
[id] => 3560998
[patent_doc_number] => 05548652
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1996-08-20
[patent_title] => 'Silencing apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/974976
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[firstpage_image] =>[orig_patent_app_number] => 974976
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/974976 | Silencing apparatus | Nov 11, 1992 | Issued |
Array
(
[id] => 3063747
[patent_doc_number] => 05307418
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-04-26
[patent_title] => 'Center channel speaker having multiple interconnected backload amplifying chambers for surround sound stereo audio systems'
[patent_app_type] => 1
[patent_app_number] => 7/969389
[patent_app_country] => US
[patent_app_date] => 1992-10-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/05/307/05307418.pdf
[firstpage_image] =>[orig_patent_app_number] => 969389
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/969389 | Center channel speaker having multiple interconnected backload amplifying chambers for surround sound stereo audio systems | Oct 29, 1992 | Issued |
| 07/969677 | PERSONAL MULTIMEDIA SPEAKER SYSTEM | Oct 29, 1992 | Abandoned |
Array
(
[id] => 3698868
[patent_doc_number] => 05696834
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-12-09
[patent_title] => 'Stereo system and stereo method for electronic acoustical system'
[patent_app_type] => 1
[patent_app_number] => 7/965706
[patent_app_country] => US
[patent_app_date] => 1992-10-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/696/05696834.pdf
[firstpage_image] =>[orig_patent_app_number] => 965706
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/965706 | Stereo system and stereo method for electronic acoustical system | Oct 22, 1992 | Issued |
Array
(
[id] => 3003152
[patent_doc_number] => 05347587
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1994-09-13
[patent_title] => 'Speaker driving device'
[patent_app_type] => 1
[patent_app_number] => 7/956358
[patent_app_country] => US
[patent_app_date] => 1992-10-05
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[pdf_file] => patents/05/347/05347587.pdf
[firstpage_image] =>[orig_patent_app_number] => 956358
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/956358 | Speaker driving device | Oct 4, 1992 | Issued |
| 07/937578 | CONTROL CIRCUIT A SPATIAL STEREO EXPANDER | Aug 27, 1992 | Abandoned |
| 07/922448 | ENHANCED CONCERT AUDIO SYSTEM | Jul 29, 1992 | Abandoned |
Array
(
[id] => 3671307
[patent_doc_number] => 05592559
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1997-01-07
[patent_title] => 'Speaker driving circuit'
[patent_app_type] => 1
[patent_app_number] => 7/920888
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[patent_app_date] => 1992-07-28
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[pdf_file] => patents/05/592/05592559.pdf
[firstpage_image] =>[orig_patent_app_number] => 920888
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/920888 | Speaker driving circuit | Jul 27, 1992 | Issued |
Array
(
[id] => 3126774
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[patent_kind] => NA
[patent_issue_date] => 1995-03-07
[patent_title] => 'Active acoustic attenuation and spectral shaping system'
[patent_app_type] => 1
[patent_app_number] => 7/920259
[patent_app_country] => US
[patent_app_date] => 1992-07-27
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/920259 | Active acoustic attenuation and spectral shaping system | Jul 26, 1992 | Issued |
Array
(
[id] => 3436748
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[patent_issue_date] => 1995-04-04
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/915136 | Adaptive filtering means for an automatic sound controlling apparatus | Jul 19, 1992 | Issued |
Array
(
[id] => 3468491
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[patent_kind] => NA
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[patent_app_type] => 1
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/912886 | Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering | Jul 12, 1992 | Issued |
Array
(
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[firstpage_image] =>[orig_patent_app_number] => 909896
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/909896 | Audio frequency signal compressing system | Jul 6, 1992 | Issued |