Apparatus for steering an antenna system

Wave transmission lines and networks – Coupling networks – Delay lines including long line elements

Reexamination Certificate

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C333S02400C, C342S372000

Reexamination Certificate

active

10491179

ABSTRACT:
An antenna system comprises an antenna assembly having an angle of electrical tilt and a plurality of antenna elements each arranged to receive signals through a respective transmission line. Each transmission line is shortened or lengthened by moving a coupling link along two transmission line parts which the link couples: this adjusts signal phase supplied to each antenna element individually, and controls the angle of electrical tilt of the antenna assembly.

REFERENCES:
patent: 2041600 (1936-05-01), Friis
patent: 2239775 (1941-04-01), Bruce
patent: 2245660 (1941-06-01), Feldman et al.
patent: 2247666 (1941-07-01), Potter
patent: 2961620 (1960-11-01), Sommers
patent: 3277481 (1966-10-01), Robin et al.
patent: 3522558 (1970-08-01), Stafford et al.
patent: 4241352 (1980-12-01), Alspaugh et al.
patent: 4249181 (1981-02-01), Lee
patent: 4788515 (1988-11-01), Wong et al.
patent: 4881082 (1989-11-01), Graziano
patent: 5281974 (1994-01-01), Kuramoto et al.
patent: 5691987 (1997-11-01), Friederichs
patent: 5825762 (1998-10-01), Kamin, et al.
patent: 5905462 (1999-05-01), Hampel et al.
patent: 5949303 (1999-09-01), Arvidsson et al.
patent: 6016123 (2000-01-01), Barton et al.
patent: 6097267 (2000-08-01), Hampel
patent: 6363263 (2002-03-01), Reudink et al.
patent: 6411612 (2002-06-01), Halford
patent: 6441700 (2002-08-01), Xu
patent: 6504510 (2003-01-01), Kim
patent: 6504516 (2003-01-01), Davis
patent: 6504517 (2003-01-01), Liu et al.
patent: 6529166 (2003-03-01), Kanamarulu
patent: 6573875 (2003-06-01), Zimmerman
patent: 6661375 (2003-12-01), Rickett et al.
patent: 6667714 (2003-12-01), Solondz
patent: 6690325 (2004-02-01), Zhou
patent: 2003/0016097 (2003-01-01), McKinzie et al.
patent: 2005/0248494 (2005-11-01), Davies
patent: 38746/93 (1993-07-01), None
patent: 664625 (1995-11-01), None
patent: B-41625/93 (1995-11-01), None
patent: 0 575 808 (1993-12-01), None
patent: 0 531 090 (2000-03-01), None
patent: 1 314 693 (1973-04-01), None
patent: 61-006901 (1986-01-01), None
patent: 61-172411 (1986-08-01), None
patent: 02-174302 (1990-07-01), None
patent: 04-320121 (1992-11-01), None
patent: 04-320122 (1992-11-01), None
patent: 05-37222 (1993-02-01), None
patent: 5037222 (1993-02-01), None
patent: 05-075340 (1993-03-01), None
patent: 05-121902 (1993-05-01), None
patent: 05-121915 (1993-05-01), None
patent: 06-140985 (1994-05-01), None
patent: 06-196927 (1994-07-01), None
patent: 06-260823 (1994-09-01), None
patent: 6326501 (1994-11-01), None
patent: 10013103 (1998-01-01), None
patent: WO 89/07837 (1989-08-01), None
patent: WO 92/16061 (1992-09-01), None
patent: WO 93/15569 (1993-08-01), None
patent: WO 95/10862 (1995-04-01), None
patent: WO 01/24312 (2001-04-01), None
Strickland, Peter “Microstrip Base Station Antennas for Cellular Communications”, IEEE, pp. 166-171 (1991).
Bacon, “Variable Elevation Beam-Aerial Systems for 1 ½Metres”, Journal IEE, pp. 539-544 (1946).
Forster, et al. “A Conical Beam Ship Array Antenna with Infinitely Variable Control of the Elevation Angle”, pp. 17-20 (1973).
Hansen, “Microwave Scanning Antennas” vol. 3 Array Systems, pp. 2-7 (1966).
Smith, textbook: “Circuits, Devices and Systems”, A First Course in Electrical Engineering, 4thEd., pp. 680-681 (1984).
Okuyama et al., “Base-Station Antenna Systems for Car and Handheld Cellular Phones”, Mitsubishi Denki Giho, vol. 68, No. 12, pp. 23-26 (1994).
Sumitomo Electric Technical Journal, No. 143, p. 136-139, Sep. 1993.
Brochure, “Brown Boveri Phaser for the Horizontal Slewing of Curtain Antennas”, Boveri & Cie AG, Mannheim, RFA Classif. n° 1601/242.
CEL-901 Cellular Antenna Controller User's Manual, issued on Apr. 2, 1992, in the name of CAL Corporation (1991).

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