Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Patent
1986-03-25
1989-01-03
Blum, Theodore M.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
342352, 342356, H01Q 302
Patent
active
047960329
ABSTRACT:
In the storing mode, an operator section is operated to direct a parabolic antenna toward a broadcasting satellite and to select a desired channel. After the desired channel is seized, a predetermined label is input from a label input part. The satellite position and the selected channel are stored in a memory with the label attached thereto. When a search operation is performed, the direction of the antenna is gradually adjusted. Whenever the direction of the antenna is adjusted, the receiving frequency is scanned to receive each channel. When a signal is received by the frequency scanning, the type of the satellite is recognized depending on the odd or even group of channels and on whether the antenna is set to horizontally or vertically polarized wave reception. The type of the satellite as recognized, the antenna direction at that time, and the desired receiving channel transmitted from the satellite are stored into memory with a given label attached thereto. In the viewing mode, the stored label is designated and read out from the memory through the label input part. The antenna is directed toward a specific satellite to receive a desired channel, and is also put into a receiving state to receive the predetermined horizontally or vertically polarized wave.
REFERENCES:
patent: 3945015 (1976-03-01), Gueguer
patent: 4352202 (1982-09-01), Carney
patent: 4496890 (1985-01-01), Wurdack et al.
patent: 4538175 (1985-08-01), Balbes et al.
patent: 4602259 (1986-07-01), Shepard
Patent Abstracts of Japan, vol. 7, No. 251 (E-209)[1396], 8th Nov. 1983; & JP-A-58 137 383 (Matsushita Denki Sangyo K.K.) 15-08-1983.
Adv. fror STU at Jan. 1985.
Aoki Kazuhiro
Matsue Hiroshi
Sakurai Masaru
Blum Theodore M.
Hellner Mark
Kabushiki Kaisha Toshiba
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