Bi-level coupler

Details Bi-level coupler Bi-level coupler

2005-12-06

2005-12-06

Takaoka, Dean (Department: 2817)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S116000

Reexamination Certificate

active

06972639

ABSTRACT:
A coupler is disclosed that includes first and second mutually coupled spirals disposed On opposite sides of a dielectric substrate. The substrate may be formed of one or more layers and the coils may have a number of turns appropriate for a given application. Conductors forming the spirals may be opposite each other on the substrate and each spiral may include one or more portions on each side of the substrate. Each conductor of the coupler may include an intermediate portion having a width that is more than the width of end portions. An extension may extend from each respective intermediate portion, with the two extensions extending in non-overlapping relationship.

REFERENCES:
patent: 3319190 (1967-05-01), Shively
patent: 3345585 (1967-10-01), Hildebrand
patent: 3371284 (1968-02-01), Engelbrecht
patent: 3516024 (1970-06-01), Lange
patent: 3534299 (1970-10-01), Eberhardt
patent: 3678433 (1972-07-01), Hallford
patent: 3904991 (1975-09-01), Ishii et al.
patent: 3967220 (1976-06-01), Tagashira et al.
patent: 3999150 (1976-12-01), Caragliano et al.
patent: 4158184 (1979-06-01), Kenyon
patent: 4216446 (1980-08-01), Iwer
patent: 4394630 (1983-07-01), Kenyon et al.
patent: 4482873 (1984-11-01), Nyhus
patent: 4777458 (1988-10-01), Pardini
patent: 4800345 (1989-01-01), Podell et al.
patent: 4937541 (1990-06-01), Podell et al.
patent: 4999593 (1991-03-01), Anderson
patent: 5075646 (1991-12-01), Morse
patent: 5369379 (1994-11-01), Fujiki
patent: 5451914 (1995-09-01), Stengel
patent: 5557245 (1996-09-01), Taketa et al.
patent: 5563558 (1996-10-01), Mohwinkel et al.
patent: 5634208 (1997-05-01), Nishikawa et al.
patent: 5689217 (1997-11-01), Gu et al.
patent: 5742210 (1998-04-01), Chaturvedi et al.
patent: 5781071 (1998-07-01), Kusunoki
patent: 5793272 (1998-08-01), Burghartz et al.
patent: 5841328 (1998-11-01), Hayashi
patent: 5852866 (1998-12-01), Kuettner et al.
patent: 5889444 (1999-03-01), Johnson et al.
patent: 5926076 (1999-07-01), Johnson et al.
patent: 5982252 (1999-11-01), Werlau
patent: 6020783 (2000-02-01), Coppola
patent: 6246299 (2001-06-01), Werlau
patent: 6342681 (2002-01-01), Goldberger et al.
patent: 6346863 (2002-02-01), Sasaki et al.
patent: 6396362 (2002-05-01), Mourant et al.
patent: 6407647 (2002-06-01), Apel et al.
patent: 6407648 (2002-06-01), Johnson
patent: 6483397 (2002-11-01), Catoiu
patent: 6515556 (2003-02-01), Kato et al.
patent: 6518856 (2003-02-01), Casale et al.
patent: 6522222 (2003-02-01), Pchelnikov et al.
patent: 6580334 (2003-06-01), Simburger et al.
patent: 6642809 (2003-11-01), Shin et al.
patent: 6686812 (2004-02-01), Gilbert et al.
patent: 6747525 (2004-06-01), Iida et al.
patent: 6756860 (2004-06-01), Shin
patent: 6765455 (2004-07-01), De Lillo et al.
patent: 6771141 (2004-08-01), Iida et al.
patent: 6794954 (2004-09-01), Gurvich et al.
patent: 6806558 (2004-10-01), Apel
patent: 6806789 (2004-10-01), Bawell et al.
patent: 6819200 (2004-11-01), Zhao et al.
patent: 6822532 (2004-11-01), Kane et al.
An, Hongming et. al,IA 50: 1 Bandwidth Cost-Effecitve Coupler with Sliced Coaxial Cable, IEEE MTT-S Digest, pp. 789-792, Jun. 1996.
Walker, J.L.B.,Analysis and Design of Kemp-Type 3 dB Quadrature Couplers, IEEE Transactions on Microwave Theory Techniques, vol. 38, No. 1, pp. 88-90, Jan. 1990.
Bickford, Joel D. et. al,Ultra-Braodband High-Directivity Directional Coupler Design, IEEE MTT-S Digest, pp. 595-598, 1988.
Young, Leo,The analytical equivalence of TEM-mode directional couplers and transmission-line stepped-impedance filters, Proceedings IEEE, vol. 110, No. 2, pp. 275-281, Feb. 1963.
Levy, Ralph,General Synthesis of Asymmetric Multi-Element Coupled-Transmission-Line Directional Couplers,* IEEE Transactions on Microwave Theory and Techniques, vol. MTT-11, No. 4, pp. 226-237, Jul. 1963.
Monteath, G.D.,Coupled Transmission Lines as Symmetrical Directional Couplers, Proc. IEE, vol. 102, Part B, No. 3, pp. 383-392, May 1955.
Oliver, Bernard M.,Directional Electromagnetic Couplers,* Proc. IRE, vol. 42., No. 11, pp. 1686-1692, Nov. 1954.
Gerst, C.W.,11-7 Electrically Short 90° Couplers Utilizing Lumped Capacitors, Syracuse University Research Corporation, pp. 58-62, (year unknown).

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