Communications: radio wave antennas – Antennas – With support for antenna – reflector or director
Patent
1998-05-12
2000-02-29
Wong, Don
Communications: radio wave antennas
Antennas
With support for antenna, reflector or director
343878, 343880, H01Q 302
Patent
active
060315083
ABSTRACT:
An antenna adjuster includes a clamp unit 10 including an upper and a lower clamp disposed one above another in the height direction of a pole 2, the upper and lower clamps including paired clamp members 11 and 14, and 12 and 13, respectively. The paired clamp members face each other via the pole and are secured to the pole so as to be capable of position adjustment in the height and peripheral directions of the pole 2. An antenna mounting member 20 is mounted on the upper clamp member 11 for rotation about an elevation angle rotation axis member 23 and secured to the antenna 1. An azimuth angle adjusting member 30 is capable of being displaced through an elongate hole 32 formed in the upper clamp member 11 and a threaded hole 33 formed in the lower clamp member 13. An elevation angle adjusting member 40 is capable of being screwed through an engagement hole 42 formed in the antenna mounting member 20 and a nut portion 43 of the upper clamp 11 to push and pull the antenna mounting member 20.
REFERENCES:
patent: 4628323 (1986-12-01), Crean
patent: 5154386 (1992-10-01), Heck
patent: 5867132 (1999-02-01), Blasing et al.
Ando Yasuhiro
Ishizuka Hironobu
Shimizu Masatoshi
Tsurumoto Shouji
Chen Shih-Chao
NEC Corporation
Wong Don
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