Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate
2005-08-16
2005-08-16
Lee, Benny (Department: 2817)
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
C455S327000, C455S328000, C455S330000, C333S250000
Reexamination Certificate
active
06931246
ABSTRACT:
A line coupling structure for coupling a dielectric waveguide to a suspended line has the dielectric waveguide including dielectric strips and two conductor plates that are approximately parallel to each other, the dielectric strips and a circuit board being sandwiched between the conductor plates. The line coupling structure also has the suspended line including the conductor plates and a conductor pattern on the circuit board. The conductor pattern is arranged in a direction that is substantially perpendicular to the dielectric strips. A protruding conductor pattern that extends in the extending direction of the dielectric strips is provided at a crossing position of the conductor pattern and the dielectric strips.
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Wu, et al.: “Hybrid Integration Technology of Planar Circuits and NRD-Guide for Cost Effective Microwave and Millimeter-Wave Applications”; IEEE Transactions on Microwave Theory and Techniques, IEEE Inc. New York; US; vol. 45; No. 6; Jun. 1997; pp. 946-953.
AP Futoshi Kuroki et al., “Nonradiative Dielectric Waveguide Circuit Components Using Beam-Lead Diodes”, C-1 vol. J73-C-I No. 2, pp. 71-76, Feb. 1989.
Iwatani Hidetoshi
Yamashita Sadao
Keating & Bennett LLP
Lee Benny
Murata Manufacturing Co. Ltd.
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