Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent
1992-02-05
1994-08-16
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
505853, 505866, 505875, 331107S, H04B 128
Patent
active
053394577
ABSTRACT:
The present invention relates to a superconductive electromagnetic wave mixer comprising a local-oscillator section and a receiving section, said receiving section serving as a section at which an electromagnetic wave from the local-oscillator section and an externally originating electromagnetic wave are combined. The local-oscillator section and said receiving section are each formed by at least one Josephson junction employing at least one oxide superconductor.
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patent: 3970965 (1976-07-01), Shapiro et al.
patent: 4298990 (1981-11-01), Bielska-Lewandowska
patent: 4499441 (1985-02-01), Lynch et al.
patent: 4610032 (1986-09-01), Miller et al.
Soviet Technical Physics Letters. vol. 14, No. 11 Nov. 1988, New York US pp. 845-846; Drobinin et al.: "Frequency mixing in a ceramic YBA.sub.2 Cu.sub.3 O.sub.X Josephson junction".
Nature vol. 333, No. 5, May 1988, London GB pp. 29-35; Clarke: "Small-scale analog applications of high-transition-temperature superconductore".
"Small-scale analog applications of high transition-temperature super-conductors" by John Clarke; Nature; vol. 333, May 5, 1988; pp. 29.gtoreq.35.
Kaneko Norio
Kawasaki Takehiko
Shinjo Katsuhiko
Yamamoto Keisuke
Canon Kabushiki Kaisha
Eisenzopf Reinhard J.
Faile Andrew
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