| Application number | Title of the application | Filing Date | Status |
|---|
Array
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[patent_doc_number] => 06952481
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Array
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Array
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[patent_doc_number] => 20030021425
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[patent_kind] => A1
[patent_issue_date] => 2003-01-30
[patent_title] => 'Anti-noise pick-up'
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Array
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[patent_doc_number] => 06816597
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[patent_kind] => B1
[patent_issue_date] => 2004-11-09
[patent_title] => 'Pseudo stereophonic device'
[patent_app_type] => B1
[patent_app_number] => 09/581532
[patent_app_country] => US
[patent_app_date] => 2000-08-31
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[firstpage_image] =>[orig_patent_app_number] => 09581532
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/581532 | Pseudo stereophonic device | Aug 30, 2000 | Issued |
| 09/623209 | Directional microphone system | Aug 28, 2000 | Abandoned |
Array
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[id] => 945411
[patent_doc_number] => 06968244
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[patent_kind] => B1
[patent_issue_date] => 2005-11-22
[patent_title] => 'Apparatus and method for sharing an audio processing device between at least two optical information reproducing devices'
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Array
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[id] => 759619
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Array
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[firstpage_image] =>[orig_patent_app_number] => 09638245
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/638245 | BTSC ENCODER | Aug 13, 2000 | Abandoned |
| 09/619544 | Method and apparatus for supervising an audio circuit with continuous audio | Jul 18, 2000 | Abandoned |
Array
(
[id] => 508661
[patent_doc_number] => 07206421
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2007-04-17
[patent_title] => 'Hearing system beamformer'
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[pdf_file] => patents/07/206/07206421.pdf
[firstpage_image] =>[orig_patent_app_number] => 09617108
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/617108 | Hearing system beamformer | Jul 13, 2000 | Issued |
Array
(
[id] => 1027263
[patent_doc_number] => 06885900
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[patent_kind] => B1
[patent_issue_date] => 2005-04-26
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/613344 | Method and apparatus for providing multiple channel audio in a computing system | Jul 9, 2000 | Issued |
| 09/508713 | UTILISATION OF FILTERING EFFECTS IN STEREO HEADPHONE DEVICES TO ENHANCE SPATIALIZATION OF SOURCE AROUND A LISTENER | Jul 6, 2000 | Abandoned |
Array
(
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[patent_title] => 'Acoustic echo and noise cancellation'
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Array
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Array
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Array
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Array
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/478114 | Piezoelectric film sonic emitter | Jan 3, 2000 | Issued |
| 09/454810 | METHOD FOR DERIVING AT LEAST THREE AUDIO SIGNALS FROM TWO INPUT AUDIO SIGNALS | Dec 2, 1999 | Abandoned |
Array
(
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[patent_app_type] => B1
[patent_app_number] => 09/451397
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/451397 | Method of entering audio signal, method of transmitting audio signal, audio signal transmitting apparatus, and audio signal receiving and reproducing apparatus | Nov 29, 1999 | Issued |