tent.
H 01 Q Int.Cl. H 01 Q
Int.Cl.
7
(7th edition, 1999) Subclass H01Q (PDF)
1
Error! Boo kmar k not define d. Error! Boo kmar k not define d. M P Q H 0 1
H 01 Q
AERIALS
(microwave radiators for near-field therapeutic treatment
A 61 N 5/04
; apparatus for testing aerials or for measuring
aerial characteristics
G 01 R
; waveguides
H 01 P
; radiators or aerials for microwave heating
H 05 B 6/72
)
Notes
(1)
This subclass covers:

in addition to the primary active radiating elements,
(i) secondary devices for absorbing or for modifying the direction or polarisation of waves radiated from aerials, and
(ii) combinations with auxiliary devices such as earthing switches, lead-in devices, and lightning protectors; both transmitting and receiving aerials. [3]
(2)
This subclass does not cover devices of the waveguide type, such as resonators or lines, not designed as radiating elements, which
are covered by subclass
H 01 P
.
(3)
In this subclass, the following expression is used with the meaning indicated:

active radiating element covers corresponding parts of a receiving aerial. [3]
Subclass Index
TYPES OF AERIALS
Loop type ..................................................................
7/00
Waveguide type .......................................................
13/00
Other type: short; long ...................................
9/00
;
11/00
DEVICES FOR INFLUENCING RADIATED
WAVES
Quasi-optical; absorbing ..............................
15/00
;
17/00
COMBINATIONS OF PRIMARY ACTIVE
ELEMENTS WITH SECONDARY DEVICES ........................
19/00
COMBINATIONS OF AERIALS WITH
ACTIVE CIRCUITS OR CIRCUIT
ELEMENTS .............................................................................
23/00
ARRANGEMENTS PROVIDING MORE
THAN ONE RADIATION PATTERN .....................................
25/00
AERIAL ARRAYS OR SYSTEMS..........................................
21/00
SPECIAL ARRANGEMENTS
Details; orientation; simultaneity ............
1/00
;
3/00
;
5/00
______________________________________________
1/ 00
Details of, or arrangements associated with, aerials
(arrangements for varying orientation of directional
pattern
3/00
)
Notes
(1)
This group covers only:

structural details or features of aerials not dependent
on electric operation; structural details or features applicable to more than
one type of aerial or aerial element.
(2)
Structural details or features described with reference to,
or clearly applicable only to, aerials or aerial elements
of a particular type are classified in the group
appropriate to that type.
1/ 02
.
Arrangements for de-icing; Arrangements for drying-
out
1/ 04
.
Adaptation for subterranean or subaqueous use
1/ 06
.
Means for the lighting or illuminating of aerials,
e.g. for purpose of warning
1/ 08
.
Means for collapsing aerials or parts thereof
(collapsible loop aerials
7/02
; collapsible H-aerials or
Yagi aerials
19/04
)
1/ 10
.
.
Telescopic elements
1/ 12
.
Supports; Mounting means (supporting conductors in
general
H 02 G 7/00
)
1/ 14
.
.
for wire or other non-rigid radiating elements
1/ 16
.
.
.
Strainers, spreaders, or spacers
1/ 18
.
.
Means for stabilising aerials on an unstable
platform
1/ 20
.
.
Resilient mountings
1/ 22
.
.
by structural association with other equipment or
articles
1/ 24
.
.
.
with receiving set
1/ 26
.
.
.
with electric discharge tube
1/ 27
.
Adaptation for use in or on movable bodies (
1/08
,
1/12
,
1/18
take precedence) [3]
1/ 28
.
.
Adaptation for use in or on aircraft, missiles,
satellites, or balloons [3]
1/ 30
.
.
.
Means for trailing aerials [3]
1/ 32
.
.
Adaptation for use in or on road or rail vehicles
(telescopic elements
1/10
; resilient mountings for
aerials
1/20
) [3]
1/ 34
.
.
Adaptation for use in or on ships, submarines,
buoys, or torpedoes (for subaqueous use
1/04
;
retractable loop aerials
7/02
) [3]
1/ 36
.
Structural form of radiating elements, e.g. cone,
spiral, umbrella (
1/08
,
1/14
take precedence)
1/ 38
.
.
formed by a conductive layer on an insulating
support (conductors in general
H 01 B 5/14
)
1/ 40
.
Radiating elements coated with, or embedded in,
protective material
1/ 42
.
Housings not intimately mechanically associated with
radiating elements, e.g. radome
1/ 44
.
using equipment having another main function to
serve additionally as an aerial (
1/28
to
1/34
take
precedence)
1/ 46
.
.
Electric supply lines or communication lines
1/ 48
.
Earthing means; Earth screens; Counterpoises
(earthing pins
H 01 R 4/66
)
1/ 50
.
Structural association of aerials with earthing
switches, lead-in devices, or lightning protectors
(lead-in devices
H 01 B
; lightning protectors,
switches
H 01 H
)
1/ 52
.
Means for reducing coupling between aerials; Means
for reducing coupling between an aerial and another
structure (absorbing means
17/00
)
3/ 00
Arrangements for changing or varying the
orientation or the shape of the directional pattern of
the waves radiated from an aerial or aerial system
3/ 01
.
varying the shape of the aerial or aerial system [3]
3/ 02
.
using mechanical movement of aerial or aerial system
as a whole
3/ 04
.
.
for varying one co-ordinate of the orientation H 01 Q
2
Int.Cl.
7
(7th edition, 1999) Subclass H01Q (PDF)
3/ 06
.
.
.
over a restricted angle
3/ 08
.
.
for varying two co-ordinates of the orientation
3/ 10
.
.
.
to produce a conical or spiral scan
3/ 12
.
using mechanical relative movement between
primary active elements and secondary devices of
aerials or aerial systems
3/ 14
.
.
for varying the relative position of primary active
element and a refracting or diffracting device
3/ 16
.
.
for varying relative position of primary active
element and a reflecting device
3/ 18
.
.
.
wherein the primary active element is movable
and the reflecting device is fixed
3/ 20
.
.
.
wherein the primary active element is fixed and
the reflecting device is movable
3/ 22
.
varying the orientation in accordance with variation
of frequency of radiated wave
3/ 24
.
varying the orientation by switching energy from one
active radiating element to another, e.g. for beam
switching
3/ 26
.
varying the relative phase or relative amplitude of
energisation between two or more active radiating
elements; varying the distribution of energy across a
radiating aperture (
3/22
,
3/24
take precedence)
3/ 28
.
.
varying the amplitude [3]
3/ 30
.
.
varying the phase [3]
3/ 32
.
.
.
by mechanical means [3]
3/ 34
.
.
.
by electrical means (active lenses or reflecting
arrays
3/46
) [3]
3/ 36
.
.
.
.
with variable phase-shifters [3]
3/ 38
.
.
.
.
.
the phase-shifters being digital [3]
3/ 40
.
.
.
.
with phasing matrix [3]
3/ 42
.
.
.
.
using frequency-mixing [3]
3/ 44
.
varying the electric or magnetic characteristics of
reflecting, refracting, or diffracting devices associated
with the radiating element [3]
3/ 46
.
.
Active lenses or reflecting arrays [3]
5/ 00
Arrangements for simultaneous operation of aerials
on two or more different wavebands
(length of
elements adjustable
9/14
; combinations of separate
active aerial units operating in different wavebands and
connected to a common feeder system
21/30
) [3]
5/ 01
.
Resonant aerials [3]
5/ 02
.
.
for operation of centre-fed aerials which comprise
a single, or two or more collinear, substantially
straight elongated active elements [3]
7/ 00
Loop aerials with a substantially uniform current
distribution around the loop and having a directional
radiation pattern in a plane perpendicular to the
plane of the loop
7/ 02
.
Collapsible aerials; Retractable aerials
7/ 04
.
Screened aerials (
7/02
,
7/06
take precedence)
7/ 06
.
with core of ferromagnetic material (
7/02
takes
precedence)
7/ 08
.
.
Ferrite rod or like elongated core
9/ 00
Electrically-short aerials having dimensions not
more than twice the operating wavelength and
consisting of conductive active radiating elements
(loop aerials
7/00
; waveguide horns or mouths
13/00
;
slot aerials
13/00
; combinations of active elements with
secondary devices to give desired directional
characteristic
19/00
; combinations of two or more active
elements
21/00
)
9/ 02
.
Non-resonant aerials
9/ 04
.
Resonant aerials
9/ 06
.
.
Details
9/ 08
.
.
.
Junction boxes specially adapted for supporting
adjacent ends of collinear rigid elements
9/ 10
.
.
.
Junction boxes specially adapted for supporting
adjacent ends of divergent elements
9/ 12
.
.
.
.
adapted for adjustment of angle between
elements
9/ 14
.
.
.
Length of element or elements adjustable
(telescopic elements
1/10
)
9/ 16
.
.
with feed intermediate between the extremities of
the aerial, e.g. centre-fed dipole (
9/44
takes
precedence)
9/ 18
.
.
.
Vertical disposition of the aerial
9/ 20
.
.
.
Two collinear substantially straight active
elements; Substantially straight single active
elements (
9/28
takes precedence)
9/ 22
.
.
.
.
Rigid rod or equivalent tubular element or
elements
9/ 24
.
.
.
.
Shunt feed arrangements to single active
elements, e.g. for delta matching
9/ 26
.
.
.
with folded element or elements, the folded
parts being spaced apart a small fraction of
operating wavelength (resonant loop aerials
7/00
)
9/ 27
.
.
.
.
Spiral aerials [3]
9/ 28
.
.
.
Conical, cylindrical, cage, strip, gauze, or like
elements having an extended radiating surface;
Elements comprising two conical surfaces
having collinear axes and adjacent apices and
fed by two-conductor transmission lines
(biconical horns
13/04
)
9/ 30
.
.
with feed to end of elongated active element,
e.g. unipole (
9/44
takes precedence)
9/ 32
.
.
.
Vertical arrangement of element (
9/40
takes
prec