Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Patent
1998-10-30
2000-08-15
Issing, Gregory C.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
455 25, H01Q 300
Patent
active
061043419
ABSTRACT:
An SHF-band receiving apparatus is used for demodulating a signal received by an antenna and input through a cable by using an indoor receiving unit which comprises; demodulation means for demodulating an input signal supplied thereto through the cable; detection means for detecting a detection signal representing the direction of the antenna from a demodulated signal output by the demodulation means; and output means for generating a modulated signal for displaying information on the direction of the antenna by modulation of a carrier signal based on the detection signal produced by the detection means and for outputting the modulated signal through the cable to the antenna side.
REFERENCES:
patent: 4881081 (1989-11-01), Yoshihara
patent: 4990924 (1991-02-01), McMullen et al.
patent: 5488379 (1996-01-01), Jackson et al.
patent: 5561433 (1996-10-01), Chaney et al.
patent: 5587717 (1996-12-01), Jang
Ido Toshikazu
Kajiwara Tadashi
Mita Hiroyuki
Frommer William S.
Issing Gregory C.
Polito Bruno
Sony Corporation
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