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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B; aerials H01Q;
{
modulating electromagnetic waves in transmission line, waveguide, cavity resonator or radiation field of aerial H03C 7/02
}
; networks comprising lumped impedance elements H03H)
NOTE
-
In this subclass, the following expression is used with the meaning indicated :

- "waveguide type" as applied to transmission lines includes
only high-frequency coaxial cables or Lecher lines, and as
applied to resonators, delay lines, or other devices includes
all devices having distributed inductance and capacitance.

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Auxiliary devices (coupling devices of the waveguide type H01P 5/00)
.
{
Diode mounting means
}
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.
Bends; Corners; Twists
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. .
{
in waveguides of polygonal cross-section (H01P 1/065 takes precedence)
}
. . .
{
in the E-plane
}
. . .
{
in the H-plane
}
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.
Fixed joints (
{
pipe joints F16L
}
; line connectors H01R; cable fittings H02G 15/00)
. .
{
Hollow waveguide joints
}
. .
{
Coaxial joints
}
. .
{
Strip line joints
}
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.
Movable joints, e.g. rotating joints
. .
{
the relative movement being a translation along an axis common to at least two rectilinear parts, e.g. expansion joints
}
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. .
{
the relative movement being a rotation
}
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H01P 1/063
. . .
{
with a limited angle of rotation
}
. . . .
{
the axis of rotation being perpendicular to the transmission path, e.g. hinge joint
}
. . . .
{
the axis of rotation being parallel to the transmission path, e.g. stepped twist
}
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. . .
{
with an unlimited angle of rotation
}
. . . .
{
the energy being transmitted in only one line located on the axis of rotation
}
. . . .
{
the energy being transmitted in at least one ring-shaped transmission line located around the axis of rotation, e.g. "around the mast" rotary joint (H01P 1/069 takes precedence; coaxial line with solid inner conductor H01P 1/067)
}
. . . .
{
the energy being transmitted in at least one ring-shaped transmission line located around an axial transmission line; Concentric coaxial systems
}
.
Dielectric windows (coupling devices for transit time tubes H01J 23/36)
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.
for switching or interrupting
{
(in systems using reflection or reradiation of radio, acoustic or other waves G01S 7/034)
}
. .
by ferromagnetic devices
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. .
by mechanical chopper
. . .
{
Waveguide switches
}
. . .
{
Coaxial switches
}
. . .
{
Strip line switches
}
. .
by electric discharge devices (discharge devices H01J 17/64)
. .
by semiconductor devices
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.
for mode selection, e.g. mode suppression or mode promotion; for mode conversion (linking dissimilar lines or devices H01P 5/08)
. .
sustaining two independent orthogonal modes, e.g. orthomode transducer
{
(combining or separating polarisations and frequencies H01P 1/2131)
}
. .
absorbing spurious or unwanted modes of propagation
H01P 1/163
. .
specifically adapted for selection or promotion of the TE 01 circular-electric mode
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.
for rotating the plane of polarisation
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. .
for producing a continuously rotating polarisation, e.g. circular polarisation
. . .
{
using a corrugated or ridged waveguide section
}
. . .
{
using a dielectric element
}
. . .
{
using a conductive element
}
. . .
{
using a magnetic element (H01P 1/175 takes precedence)
}
. .
using Faraday rotators
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.
Phase-shifters (H01P 1/165 takes precedence; coupling devices with variable coupling factor H01P 5/04)
. .
{
using ferroelectric devices
}
. .
{
Waveguide phase-shifters (H01P 1/181, H01P 1/185, H01P 1/19 take precedence)
}
. .
{
Coaxial phase-shifters (H01P 1/181, H01P 1/185, H01P 1/19 take precedence)
}
. .
{
Strip line phase-shifters (H01P 1/181, H01P 1/185, H01P 1/19 take precedence)
}
. .
using a diode or a gas filled discharge tube
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. .
using a ferromagnetic device
. . .
having a toroidal shape
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.
Frequency-selective devices, e.g. filters (
{
variable impedance transformers, e.g. slug tuners or stub tuners H01P 5/04
}
; resonators H01P 7/00)
. .
{
Dielectric waveguide filters (H01P 1/212, H01P 1/213, H01P 1/215, H01P 1/219 take precedence)
}
. .
{
Electromagnetic photonic bandgaps [EPB
}
, or photonic bandgaps [PBG] ]
. .
{
Filtering devices for biasing networks or DC returns
}
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. .
Filters for transverse electromagnetic waves(H01P 1/212 ,H01P 1/213 ,H01P 1/215 ,H01P 1/219 take precedence)
. . .
{
Coplanar line filters
}
. . .
{
Slot line filters; Fin line filters
}
. . .
Coaxial filters (cascaded coaxial cavities H01P 1/205)
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. . .
Strip line filters
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. . . .
{
with dielectric resonator
}
. . . . .
{
with dielectric resonators as non-metallised opposite openings in the metallised surfaces of a substrate
}
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H01P 1/20327
. . . .
{
Electromagnetic interstage coupling
}
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. . . . .
{
Comb or interdigital filters
}
. . . . . .
{
Multilayer filters
}
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H01P 1/20354
. . . . .
{
Non-comb or non-interdigital filters
}
. . . . . .
{
Linear resonators
}
. . . . . .
{
Hairpin resonators
}
. . . . . .
{
Special shape resonators
}
. . . .
{
Galvanic coupling between Input/Output
}
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H01P 1/205
. . .
Comb or interdigital filters; Cascaded coaxial cavities (H01P 1/203 takes precedence)
. . . .
{
the coaxial cavity resonators being disposed parall to each other
}
. . . .
{
Comb filters or interdigital filters with metallised resonator holes in a dielectric block
}
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. .
Hollow waveguide filters (H01P 1/212, H01P 1/213, H01P 1/215, H01P 1/219 take precedence)
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H01P 1/208
. . .
Cascaded cavities; Cascaded resonators inside a hollow waveguide structure (H01P 1/205 takes precedence)
. . . .
{
with multimode resonators (H01P 1/2086 takes precedence)
}
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. . . .
{
with dielectric resonators
}
. . . . .
{
multimode
}
. . . .
{
Integrated in a substrate
}
. . .
comprising one or more branching arms or cavities wholly outside the main waveguide
. . .
Waffle-iron filters; Corrugated structures
H01P 1/212
. .
suppressing or attenuating harmonic frequencies (H01P 1/215 takes precedence)
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. .
combining or separating two or more different frequencies (H01P 1/215 takes precedence)
H01P 1/2131
. . .
{
with combining or separating polarisations
}
. . .
{
using coaxial filters (H01P 1/2131, H01P 1/2136 take precedence)
}
. . .
{
using strip line filters (H01P 1/2131 takes precedence)
}
. . .
{
using comb or interdigital filters; using cascaded coaxial cavities (H01P 1/2131, H01P 1/2135 take precedence)
}
. . .
{
using hollow waveguide filters (H01P 1/2131 takes precedence)
}
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H01P 1/215
. .
using ferromagnetic material
H01P 1/217
. . .
the ferromagnetic material acting as a tuning element in resonators
. . .
the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters
. .
Evanescent mode filters
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.
Attenuating devices (dissipative terminating devices H01P 1/26)
. .
{
Waveguide attenuators (H01P 1/23 takes precedence)
}
. .
{
Coaxial attenuators (H01P 1/23 takes precedence)
}
. .
{
Strip line attenuators (H01P 1/23 takes precedence)
}
H01P 1/23
. .
using ferromagnetic material
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.
Terminating devices
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H01P 1/26
. .
Dissipative terminations
H01P 1/262
. . .
{
the dissipative medium being a liquid or being cooled by a liquid
}
. . .
{
Waveguide terminations (H01P 1/262 takes precedence)
}
H01P 1/266
. . .
{
Coaxial terminations (H01P 1/262 takes precedence)
}
H01P 1/268
. . .
{
Strip line terminations (H01P 1/262 takes precedence)
}
. .
Short-circuiting plungers (coupling devices with variable coupling factor H01P 5/04)
.
for compensation of, or protection against, temperature or moisture effects;
{
for improving power handling capability (H01P 1/04, H01P 1/08 take precedence)
}
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H01P 1/32
.
Non-reciprocal transmission devices (H01P 1/02 to H01P 1/30 take precedence)
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. .
Isolators
. . .
{
Edge-guided mode devices
}
. . .
Resonance absorption isolators
. . .
Field displacement isolators
H01P 1/375
. . .
using Faraday rotators
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. .
Circulators
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. . .
Junction circulators, e.g. Y-circulators
. . . .
Strip line circulators
. . . .
Hollow waveguide circulators
. . .
using Faraday rotators
H01P 1/397
. . .
using non- reciprocal phase shifters (H01P 1/393 takes precedence)
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Waveguides; Transmission lines of the waveguide type
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.
{
Coplanar lines
}
. .
{
Conductor backed coplanar waveguides
}
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H01P 3/02
.
with two longitudinal conductors
. .
{
Fin lines; Slot lines
}
. .
{
Coplanar striplines (CPS)
}
. .
Lines formed as Lecher wire pairs
. .
Coaxial lines (not suitable for handling frequencies considerably beyond the audio range,
{
coaxial cables in general
}
H01B 11/18)
NOTE
-
This subgroup is only used for documents disclosing typical HF-features of coaxial cables, e.g. propagation of non-TEM-modes, multimoding, oversized coaxial cables, particular cross-section adapted for HF-propagation

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. .
Microstrips; Strip lines
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H01P 3/081
. . .
{
Micro-striplines
}
. . . .
{
Multilayer dielectric
}
. . . .
{
Suspended micro-striplines
}
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. . .
{
Triplate lines
}
. . . .
{
Suspended triplate lines
}
. . .
{
Stacked transmission lines
}
H01P 3/10
.
Wire waveguides, i.e. with a single solid longitudinal conductor
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H01P 3/12
.
Hollow waveguides (H01P 3/20 takes precedence)
. .
{
integrated in a substrate
}
H01P 3/122
. .
{
Dielectric loaded (not air)
}
. .
with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P 3/14 takes precedence)
H01P 3/127
. .
with a circular, elliptic, or parabolic cross-section
. .
specially adapted for transmission of the TE01 circular-electric mode
{
(selection, promotion H01P 1/163)
}
H01P 3/14
. .
flexible
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.
Dielectric waveguides, i.e. without a longitudinal conductor
. .
{
Non-radiating dielectric waveguides
}
H01P 3/18
.
built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers
H01P 3/20
.
Quasi-optical arrangements for guiding a wave, e.g. focusing by dielectric lenses (quasi-optical devices in general H01Q 15/00)
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Coupling devices of the waveguide type (non-reciprocal devices H01P 1/32; for introducing or removing wave energy to or from the discharge in transit-time tubes H01J 23/36)
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H01P 5/02
.
with invariable factor of coupling (H01P 5/12 takes precedence
{
choke joints H01P 1/04, H01P 1/06
}
)
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H01P 5/022
. .
{
Transitions between lines of the same kind and shape, but with different dimensions
}
H01P 5/024
. . .
{
between hollow waveguides
}
H01P 5/026
. . .
{
between coaxial lines
}
H01P 5/028
. . .
{
between strip lines
}
.
with variable factor of coupling
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H01P 5/08
.
for linking dissimilar lines or devices (H01P 1/16, H01P 5/04 take precedence; linking lines of the same kind but with different dimensions H01P 5/02)
. .
{
Transitions between hollow waveguides of different shape, e.g. between a rectangular and a circular waveguide
}
. .
{
Coaxial-line/strip-line transitions
}
H01P 5/087
. .
{
Transitions to a dielectric waveguide
}
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. .
for coupling balanced with unbalanced lines or devices
H01P 5/1007
. . .
{
Microstrip transitions to Slotline or finline
}
H01P 5/1015
. . .
{
Coplanar line transitions to Slotline or finline
}
H01P 5/1022
. . .
{
Transitions to dielectric waveguide
}
H01P 5/103
. . .
Hollow-waveguide/coaxial-line transitions
. . .
Hollow-waveguide/strip-line transitions
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H01P 5/12
.
Coupling devices having more than two ports (H01P 5/04 takes precedence)
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. .
Conjugate devices, i.e. devices having at least one port decoupled from one other port
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. . .
consisting of two coupled guides, e.g. directional couplers
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H01P 5/181
. . . .
{
the guides being hollow waveguides
}
H01P 5/182
. . . . .
{
the waveguides being arranged in parallel
}
H01P 5/183
. . . .
{
at least one of the guides being a coaxial line
}
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. . . .
{
the guides being strip lines or microstrips
}
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. . . . .
{
Edge coupled lines
}
. . . . . .
{
Lange couplers
}
. . . . .
{
Broadside coupled lines
}
H01P 5/188
. . . .
{
the guides being dielectric waveguides
}
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H01P 5/19
. . .
of the junction type
. . . .
Magic-T junctions
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H01P 5/22
. . . .
Hybrid ring junctions
. . . . .
{
180° rat race hybrid rings
}
. . . . .
{
180° reversed phase hybrid rings
}
. . . . .
{
90° branch line couplers
}
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Resonators of the waveguide type (
{
variable impedance transformers H01P 5/04
}
; structurally associated with transit-time tubes and interacting with the discharge therein H01J 23/18;
{
generators of electronic oscillations using resonators of this type H03B 5/18, H03B 7/14, H03B 9/14; electronic amplifiers using resonators of this type H03F 3/54
}
; microwave heating devices H05B 6/64)
H01P 7/005
.
{
Helical resonators; Spiral resonators
}
H01P 7/02
.
Lecher resonators
H01P 7/04
.
Coaxial resonators
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.
Cavity resonators
. .
{
integrated in a substrate
}
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H01P 7/08
.
Strip line resonators
. .
{
Microstripline resonators (H01P 7/088 takes precedence)
}
. .
{
Triplate line resonators (H01P 7/088 takes precedence)
}
. .
{
Coplanar waveguide resonators (H01P 7/088 takes precedence)
}
. .
{
Tunable resonators
}
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.
Dielectric resonators
H01P 7/105
. .
{
Multimode resonators
}
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Delay lines of the waveguide type (structurally associated with transit-time tubes and interacting with the discharge therein H01J 23/24)
H01P 9/003
.
{
Delay equalizers
}
H01P 9/006
.
{
Meander lines
}
H01P 9/02
.
Helical lines
H01P 9/04
.
Interdigital lines
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Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type (manufacture of coaxial cables H01B 13/00)
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.
{
Manufacturing waveguides or transmission lines of the waveguide type
}
. .
{
Manufacturing hollow waveguides
}
. .
{
Manufacturing lines with conductors on a substrate, e.g. strip lines, slot lines
}
H01P 11/005
. .
{
Manufacturing coaxial lines
}
H01P 11/006
. .
{
Manufacturing dielectric waveguides
}
H01P 11/007
.
{
Manufacturing frequency-selective devices (resonators H01P 11/008)
}
H01P 11/008
.
{
Manufacturing resonators
}
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Last Modified: 10/10/2013