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Matches 1 - 28 out of 28
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Document
Document Title
1
7286097
Yagi antenna with balancing tab
An antenna minimizes radiation from the outer conductor ( 44 ) of a coaxial cable ( 40 ) that is coupled to the antenna by providing a balancing tab ( 90 ) that lies near the connection ( 72 ) of...
2
6859182
Antenna system
An antenna system includes a VHF dipole antenna having a pair of rod elements disposed substantially in a line, and a UHF Yagi antenna having a radiator and a director disposed on the rod elements.
3
4763131
Log-periodic monopole antenna array
In a log-periodic monopole antenna array of the type described in U.S. Pat. No. 3,286,268, each antenna of the array having active elements spaced over the top surface of a ground structure and...
4
4205317
Broadband miniature antenna
A broadband antenna of miniature size employs an array of dipole elements whose inner ends are connected to a pair of closely spaced parallel central conductors. Three pairs of dipole elements are...
5
4010473
Antenna construction
A support member mounted on an antenna boom includes a pair of upstanding spaced stanchions for supporting a signal feedthrough wire therebetween. An antenna element is pivotally mounted to the...
6
3984841
Broadband antenna system with the feed line conductors spaced on one side of a support boom
A low cost broadband antenna system particularly suitable for television reception is described wherein the feed line includes a pair of conductors mounted in insulated manner one above the other...
7
3765022
EXTENDED APERTURE LOG-PERIODIC AND QUASI-LOG-PERIODIC ANTENNAS AND ARRAYS
An extended aperture log-periodic antenna in which each element is capacitively loaded to tune out a portion of the element's inductive reactance, so that at any frequency within the antenna's...
8
3596272
SECONDARY LOBE AND GHOST-REDUCTION ANTENNA TRANSMISSION-LINE SYSTEM
This disclosure deals with a novel antenna apparatus embodying a nonradiating transmission line section feeding active antenna dipole elements and the like for operation over a multifrequency...
9
3509574
COMBINED VHF-UHF DIPOLE ANTENNA
10
3509572
WAVEGUIDE FED FREQUENCY INDEPENDENT ANTENNA
11
3482250
DIPOLE ANTENNA ARRAY HAVING EQUALLY SPACED DIPOLES OF DECREASING LENGTHS
12
3454950
MULTIPLE MODE OPERATIONAL ANTENNAS EMPLOYING REACTIVE ELEMENTS
13
3427659
FISHBONE TYPE ARRAY WITH DIPOLE SPACING INCREASING TOWARDS THE SMALLER END
14
3396399
Ultra-high frequency fishbone type television antenna
15
3389396
Log periodic type antenna for operating at less than a half wavelength mode
16
3286268
Log periodic antenna with parasitic elements interspersed in log periodic manner
17
3277491
Multiband television antenna with multiband parasites
18
3210767
Frequency independent unidirectional antennas
19
3165748
Series fed log periodic antenna with coplanar conductor pairs
20
3150376
Multi-band log periodic antenna
21
3108280
Log periodic backward wave antenna array
22
3056960
Broadband tapered-ladder type antenna
23
3036302
Sheet type balanced doublet antenna structure
24
2963703
Method and means for antenna coupling
25
2904645
Helmet radios including a transistor amplifier
26
2869125
Doublet antenna array with alternate arms mounted in respective planes, parallel to common reflector
27
D213628
Title is not available
28
3564555
Title is not available
Matches 1 - 28 out of 28