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FM-stereo receiver
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Patent number 4,658,423
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Issue date Apr 14, 1987
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U.S. Philips Corporation
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Wolfgang Nolde
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Multiplex stereo demodulator
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Patent number 4,651,106
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Issue date Mar 17, 1987
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Nippon Gakki Seizo Kabushiki Kaisha
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Kenji Yokoyama
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-
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FM Stereo demodulation circuit
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Patent number 4,489,430
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Issue date Dec 18, 1984
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Pioneer Electronic Corporation
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Kohji Ishida
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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FM Stereo signal demodulator
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Patent number 4,466,115
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Issue date Aug 14, 1984
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Tokyo Shibaura Denki Kabushiki Kaisha
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Masaru Hashimoto
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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FM Stereo demodulator circuit
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Patent number 4,386,235
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Issue date May 31, 1983
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Trio Kabushiki Kaisha
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Michinori Naito
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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MPX Stereophonic demodulation
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Patent number 4,274,057
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Issue date Jun 16, 1981
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Pioneer Electronic Corporation
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Kohji Ishida
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Stereo demodulator system
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Patent number 4,140,878
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Issue date Feb 20, 1979
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Sony Corporation
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Mitsuo Ohsawa
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H03 - BASIC ELECTRONIC CIRCUITRY
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-
-
-
-
-
-
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3916109
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Patent number 3,916,109
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Issue date Oct 28, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3752934
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Patent number 3,752,934
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Issue date Aug 14, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3728491
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Patent number 3,728,491
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Issue date Apr 17, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3721766
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Patent number 3,721,766
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Issue date Mar 20, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3707603
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Patent number 3,707,603
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Issue date Dec 26, 1972
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3705313
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Patent number 3,705,313
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Issue date Dec 5, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3662113
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Patent number 3,662,113
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Issue date May 9, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3617641
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Patent number 3,617,641
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Issue date Nov 2, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3573382
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Patent number 3,573,382
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Issue date Apr 6, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3351712
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Patent number 3,351,712
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Issue date Nov 7, 1967
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3339026
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Patent number 3,339,026
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Issue date Aug 29, 1967
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3328529
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Patent number 3,328,529
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Issue date Jun 27, 1967
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H03 - BASIC ELECTRONIC CIRCUITRY