Mobile station antenna attitude control apparatus

Details Mobile station antenna attitude control apparatus Mobile station antenna attitude control apparatus

1988-07-07

1989-10-10

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including antenna orientation

343713, 318649, H01Q 300

Patent

active

048735264

ABSTRACT:
A mobile station antenna attitude control apparatus comprising an antenna, a drive mechanism, a receiving level detecting means, a first device information setting means, an attitude detecting means, a second drive information setting means, a drive information correcting means and a control means. With such structure, the antenna is driven and controlled with the first dirve information and the drive information which has been obtained by correcting the second drive information depending on change on time thereof. Thereby, the antenna is capable of accurately tracking the signal source even if an automobile moves quickly. Moreover, since such tracking is based on the feedback control, structure and control can be very much simplified.

REFERENCES:
patent: 4035805 (1977-07-01), Mobley
patent: 4630056 (1986-12-01), Noguchi et al.
patent: 4735843 (1988-02-01), Suzuki et al.

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