| Class Number |
Class Name |
No. of Patents |
| 343/700R |
Antennas |
52 |
| 343/832 |
Active antenna as reflector |
16 |
| 343/790 |
Active sleeve surrounds feed line |
98 |
| 343/792 |
Doublet type |
123 |
| 343/791 |
With coaxial active rod |
103 |
| 343/907 |
Antenna components |
26 |
| 343/908 |
Active antenna component of particular shape |
38 |
| 343/912 |
Reflector or director |
250 |
| 343/915 |
Collapsible, foldable or adjustable |
230 |
| 343/914 |
Diverse curvature |
54 |
| 343/916 |
Made of detachable parts |
43 |
| 343/913 |
With impedance |
6 |
| 343/909 |
Refracting means and radio wave energy filters (e.g., lenses and polarizers) |
480 |
| 343/911R |
Dielectric type |
135 |
| 343/911L |
Luneberg type |
71 |
| 343/910 |
Zoned type |
28 |
| 343/833 |
Antenna with parasitic director |
114 |
| 343/834 |
Antenna with parasitic reflector |
130 |
| 343/840 |
Parabolic-type reflector with active antenna at focus |
414 |
| 343/835 |
Plural active antennas |
32 |
| 343/836 |
Plural reflectors |
36 |
| 343/837 |
Plural reflectors |
61 |
| 343/838 |
Including a screening reflector |
7 |
| 343/839 |
Reflector and active antenna relatively movable |
40 |
| 343/793 |
Balanced doublet - centerfed (e.g., dipole) |
181 |
| 343/823 |
Adjustable length |
18 |
| 343/805 |
Arms angularly adjustable (e.g., rabbit ears) |
21 |
| 343/809 |
Arms non-linearly arranged (e.g., resonant v type) |
9 |
| 343/806 |
Bent arms (e.g., zigzag type) |
79 |
| 343/802 |
Distributed reactance added to arms |
51 |
| 343/794 |
Diverse-type doublets |
16 |
| 343/803 |
Folded |
88 |
| 343/804 |
Multiple conductor type |
7 |
| 343/796 |
Helically or angularly staggered plural doublets |
7 |
| 343/799 |
Plural circumferentially arranged |
29 |
| 343/800 |
Plural groups (e.g., stacked) |
21 |
| 343/797 |
Plural crossed (e.g., turnstile) |
224 |
| 343/798 |
Plural groups (e.g., stacked) |
18 |
| 343/808 |
Plural-rod arm forming v (e.g., conical arrangement) |
17 |
| 343/810 |
Plural |
91 |
| 343/811 |
Fishbone-type array |
6 |
| 343/812 |
Parallel arrangement |
29 |
| 343/813 |
Parallel and collinear arrangement |
30 |
| 343/814 |
With coupling network |
61 |
| 343/815 |
With parasitic element (e.g., reflector or director) |
129 |
| 343/816 |
With coupling network |
57 |
| 343/817 |
With parasitic element (e.g., reflector or director) |
73 |
| 343/795 |
Sheet or wing type |
550 |
| 343/807 |
Tapered, thick, or enlarged arms |
41 |
| 343/801 |
Three or more collinear units form doublet |
21 |
| 343/820 |
With coupling network or impedance in the leadin |
57 |
| 343/821 |
Balanced to unbalanced circuit |
95 |
| 343/822 |
Impedance matching network |
83 |
| 343/818 |
With parasitic element (e.g., reflector or director) |
101 |
| 343/819 |
With reflector and director |
43 |
| 343/718 |
Body-attached or connected |
245 |
| 343/719 |
Buried underground or submerged under water |
124 |
| 343/720 |
Combined with diverse-type art device |
159 |
| 343/721 |
Light |
62 |
| 343/904 |
Combined |
18 |
| 343/906 |
With electrical connector |
332 |
| 343/905 |
With transmission line |
61 |
| 343/724 |
Convertible to different antennas |
7 |
| 343/825 |
Fractional, multiple, or full wave length linear type |
24 |
| 343/828 |
Non-uniformity in antenna |
62 |
| 343/826 |
Plural |
39 |
| 343/827 |
Collinear arrangement |
11 |
| 343/831 |
Stub type |
15 |
| 343/829 |
With grounding structure, including counterpoises |
153 |
| 343/830 |
With coaxial feed line |
175 |
| 343/843 |
Having an appreciable wave length dimension |
8 |
| 343/899 |
Having area increasing means (e.g., spiniferous, metal ball on top) |
21 |
| 343/701 |
Having electric space discharge device |
158 |
| 343/741 |
High frequency type loops |
215 |
| 343/743 |
Feed coupling at spaced points on loop |
24 |
| 343/742 |
Plural |
337 |
| 343/744 |
With series reactance in loop |
123 |
| 343/898 |
Hollow metallic body |
11 |
| 343/787 |
Including magnetic material |
169 |
| 343/788 |
Loop type |
212 |
| 343/792.5 |
Logarithmically periodic |
155 |
| 343/866 |
Loop type |
257 |
| 343/868 |
Adjustable configuration, area or coil length |
22 |
| 343/867 |
Plural; plural or tapped coils |
269 |
| 343/871 |
With collapsible or foldable frame |
11 |
| 343/870 |
With connector or terminals |
27 |
| 343/869 |
With rotatable support |
8 |
| 343/874 |
Mast or tower type |
61 |
| 343/875 |
Sectional |
13 |
| 343/703 |
Measuring signal energy |
341 |
| 343/897 |
Mesh, woven, braided or multiple strip |
86 |
| 343/700MS |
Microstrip |
3569 |
| 343/824 |
Planar array of linear antennas |
61 |
| 343/844 |
Plural antennas spaced a fractional or full wave length apart |
132 |
| 343/893 |
Plural antennas |
232 |
| 343/729 |
Plural diverse-type antennas using same active element |
98 |
| 343/730 |
Including balanced doublet-type antenna |
27 |
| 343/725 |
Plural separate diverse type |
343 |
| 343/726 |
Including balanced doublet and loop-type antennas |
49 |
| 343/727 |
Including balanced doublet-type antenna |
107 |
| 343/728 |
Including loop-type antenna |
69 |
| 343/900 |
Rod type |
197 |
| 343/901 |
Telescoping |
205 |
| 343/903 |
Flexible rod actuated |
97 |
| 343/902 |
Fluid pressure actuated |
8 |
| 343/896 |
Rods or wire form cage or hollow post |
15 |
| 343/723 |
Single adjustable length electrically long linear antenna |
13 |
| 343/767 |
Slot type |
635 |
| 343/770 |
Plural |
610 |
| 343/771 |
With wave guide coupling |
342 |
| 343/769 |
Ring-shaped slot |
126 |
| 343/768 |
With periodic control of slot or coupling |
111 |
| 343/895 |
Spiral or helical type |
1397 |
| 343/876 |
Switching between antennas and lines |
218 |
| 343/731 |
Traveling wave type |
32 |
| 343/735 |
Balanced v |
3 |
| 343/732 |
Circular loop |
8 |
| 343/736 |
Inverted v |
5 |
| 343/737 |
Plural |
11 |
| 343/733 |
Rhombic |
5 |
| 343/734 |
With feedback |
0 |
| 343/738 |
With reflecting transformer |
1 |
| 343/709 |
Waterborne (e.g., buoyant or with watercraft) |
118 |
| 343/710 |
Watercraft part of active antenna or vice versa |
13 |
| 343/772 |
Wave guide type (e.g., horn) |
277 |
| 343/780 |
"pillbox" type |
21 |
| 343/773 |
Biconical horn type |
78 |
| 343/774 |
Stacked |
28 |
| 343/775 |
With reflector |
29 |
| 343/785 |
Dielectric type (e.g., polystyrene rod) |
179 |
| 343/776 |
Plural |
169 |
| 343/777 |
With control of individual antenna (e.g., lobe switching or steering) |
49 |
| 343/778 |
With phasing |
144 |
| 343/779 |
With reflector |
127 |
| 343/784 |
With closure |
15 |
| 343/781R |
With external reflector or director |
150 |
| 343/781P |
Plural reflectors |
258 |
| 343/781CA |
With main and subreflector (casse-grain type) |
199 |
| 343/782 |
With means reducing re-radiation into active antenna |
20 |
| 343/786 |
With horn |
625 |
| 343/783 |
With internal-wave refraction means |
50 |
| 343/705 |
With aircraft |
248 |
| 343/708 |
Aircraft part of active antenna or vice versa |
130 |
| 343/706 |
Lighter-than-air device |
21 |
| 343/707 |
Trailing type |
15 |
| 343/850 |
With coupling network or impedance in the leadin |
202 |
| 343/856 |
Antenna forms transformer primary or secondary |
24 |
| 343/865 |
Balanced coupling network to balanced antenna |
8 |
| 343/859 |
Balanced to unbalanced circuit |
72 |
| 343/858 |
Coupled to plural leadins |
48 |
| 343/857 |
Coupling at spaced points on antenna |
8 |
| 343/860 |
Impedance matching network |
189 |
| 343/861 |
Adjustable |
80 |
| 343/862 |
Including long line element |
28 |
| 343/864 |
Quarter-wave transformer |
26 |
| 343/863 |
Tapered |
8 |
| 343/852 |
Plural path with impedance matching |
23 |
| 343/853 |
With plural antennas |
696 |
| 343/855 |
Loop antennas |
24 |
| 343/851 |
With radiation suppressor (e.g., shield) |
28 |
| 343/841 |
With electrical shield |
266 |
| 343/842 |
Loop-type antenna |
65 |
| 343/845 |
With ground connection spaced from feed line connection |
45 |
| 343/846 |
With grounding structure (including counterpoises) |
930 |
| 343/848 |
Artificial or substitute grounds (e.g., ground planes) |
96 |
| 343/847 |
Insulated from or capacity coupled to ground |
19 |
| 343/849 |
Modified natural grounds |
9 |
| 343/872 |
With housing or protective covering |
628 |
| 343/873 |
Antenna embedded, potted, or coated |
342 |
| 343/704 |
With ice clearer or preventer |
200 |
| 343/722 |
With lumped reactance filter in active antenna |
94 |
| 343/749 |
With lumped reactance for loading antenna |
200 |
| 343/750 |
Adjustable reactance |
85 |
| 343/751 |
Plural antennas |
26 |
| 343/752 |
Reactance at free end of active antenna |
97 |
| 343/757 |
With means for moving directive antenna for scanning, sweeping or orienting |
301 |
| 343/758 |
Plural relatively movable |
47 |
| 343/761 |
Reflector and antenna relatively movable |
124 |
| 343/763 |
Rotary or rotary oscillatory motion |
85 |
| 343/765 |
In different planes |
230 |
| 343/764 |
Loop-type antenna |
11 |
| 343/766 |
Motor-driven |
235 |
| 343/759 |
Spiral motion |
6 |
| 343/762 |
Wave guide type antenna |
36 |
| 343/760 |
With signal, indicator or alarm |
45 |
| 343/756 |
With polarization filter or converter |
321 |
| 343/702 |
With radio cabinet |
2874 |
| 343/877 |
With reel for antenna |
41 |
| 343/894 |
With signal, indicator or alarm |
91 |
| 343/753 |
With spaced or external radio wave refractor (e.g., lens) |
259 |
| 343/755 |
With reflector |
88 |
| 343/754 |
With scanning, sweeping, or orienting |
355 |
| 343/878 |
With support for antenna, reflector or director |
263 |
| 343/880 |
Adjustable or collapsible support |
180 |
| 343/881 |
Foldable |
90 |
| 343/882 |
Pivoted or rotatable |
416 |
| 343/883 |
Telescoping |
47 |
| 343/892 |
Antenna on bracket |
94 |
| 343/890 |
Antenna on post, standard or tower |
235 |
| 343/891 |
Antenna along length of post |
83 |
| 343/879 |
For plural separate antennas |
48 |
| 343/888 |
For supporting rod-like end portion of antenna |
76 |
| 343/889 |
Rod retractible into support |
17 |
| 343/886 |
Horizontally suspended between poles or standards |
7 |
| 343/884 |
Plural wire transmission line or wave guide as support |
5 |
| 343/887 |
Streamline-shaped support |
1 |
| 343/885 |
Stress distributing or static discharging means for support |
27 |
| 343/739 |
With terminating resistance at open end |
16 |
| 343/740 |
Balanced type |
8 |
| 343/745 |
With variable reactance for tuning antenna |
211 |
| 343/747 |
Balanced doublet type |
21 |
| 343/748 |
Loop type |
59 |
| 343/746 |
Slot type |
30 |
| 343/711 |
With vehicle |
335 |
| 343/713 |
Supported by vehicle body |
946 |
| 343/714 |
Antenna adjustable from inside body |
30 |
| 343/715 |
Rod type |
408 |
| 343/716 |
Running board |
0 |
| 343/717 |
Supported underneath vehicle |
20 |
| 343/712 |
Vehicle part of active antenna or vice versa |
126 |
| 343/789 |
Within conductive apertured wall |
142 |
| 343/DIG.2 |
Satellite-mounted antenna |
135 |
| 343/DIG.1 |
With vibration damper or wind catcher |
13 |
