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Microwave photonic true-time-delay
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Patent number 9,007,597
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Issue date Apr 14, 2015
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The United States of America, as represented by the Secretary of the Navy
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Ross Schermer
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H03 - BASIC ELECTRONIC CIRCUITRY
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Ultrasonic delay line
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Patent number 4,516,090
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Issue date May 7, 1985
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Asahi Glass Company Ltd.
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Toru Kambara
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H03 - BASIC ELECTRONIC CIRCUITRY
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Comb filter
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Patent number 4,492,928
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Issue date Jan 8, 1985
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Matsushita Electric Industrial Co., Ltd.
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Daishiro Hayakawa
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H03 - BASIC ELECTRONIC CIRCUITRY
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Variable delay device
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Patent number 4,165,498
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Issue date Aug 21, 1979
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Sony Corporation
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Masayuki Hongu
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Echo annexation device
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Patent number 4,112,396
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Issue date Sep 5, 1978
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Chuzo Honda
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Fiber acoustic waveguide and system
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Patent number 3,975,698
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Issue date Aug 17, 1976
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The United States of America as represented by the Secretary of the Army
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Charles M. Redman
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Ultrasonic delay material
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Patent number 3,961,289
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Issue date Jun 1, 1976
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Matsushita Electric Industrial Co., Ltd.
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Yoshihiro Kino
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H03 - BASIC ELECTRONIC CIRCUITRY
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Microwave delay line
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Patent number 3,955,158
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Issue date May 4, 1976
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RCA Corporation
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Lakshminarasimha Chainulu Upadhyayula
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H03 - BASIC ELECTRONIC CIRCUITRY
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3946341
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Patent number 3,946,341
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Issue date Mar 23, 1976
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H03 - BASIC ELECTRONIC CIRCUITRY
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3895324
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Patent number 3,895,324
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Issue date Jul 15, 1975
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES