H
SECTION H — ELECTRICITY
 H01
BASIC ELECTRIC ELEMENTS
 H01

Note(s)

Processes involving only a single technical art, e.g. drying, coating, for which provision exists elsewhere are classified in the relevant class for that art.

 H01P
WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (aerials H01Q; networks comprising distributed impedances together with lumped impedance elements H03H)
 H01P

Note(s)

In this sub-class, the term "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.

 H01P 1/00
Auxiliary devices (coupling devices of the waveguide type H01P 5/00)
 H01P 1/02
·  Bends; Corners; Twists
 H01P 1/04
·  Fixed joints
 H01P 1/06
·  Movable joints, e.g. rotating joints
 H01P 1/08
·  Dielectric windows
 H01P 1/10
·  for switching or interrupting
 H01P 1/12
·  ·  by mechanical chopper
 H01P 1/14
·  ·  by electric discharge devices (discharge devices H01J)
 H01P 1/16
·  for mode selection, e.g. mode suppression promotion; for mode conversion (linking dissimilar lines or devices H01P 5/08)
 H01P 1/18
·  Phase-shifters (H01P 1/32 takes precedence)
 H01P 1/20
·  Frequency-selective devices (resonators H01P 7/00)
 H01P 1/22
·  Attenuating devices (H01P 1/32 takes precedence; dissipative terminating devices H01P 1/26)
 H01P 1/24
·  Terminating devices
 H01P 1/26
·  ·  Dissipative terminations
 H01P 1/28
·  ·  Short-circuiting plungers
 H01P 1/30
·  for compensation of, or protection against, temperature or moisture effects
 H01P 1/32
·  Non-reciprocal transmission devices, e.g. gyrators
 H01P 3/00
Waveguides; Transmission lines of the waveguide type
 H01P 3/02
·  with two longitudinal conductors
 H01P 3/04
·  ·  Lines formed as Lecher wire pairs
 H01P 3/06
·  ·  Coaxial lines (not suitable for handling frequencies considerably beyond the audio range H01B 11/18)
 H01P 3/08
·  ·  Microstrips; Strip lines
 H01P 3/10
·  Wire waveguides, i.e. with a single solid longitudinal conductor
 H01P 3/12
·  Hollow waveguides (H01P 3/20 takes precedence)
 H01P 3/14
·  ·  Flexible
 H01P 3/16
·  Dielectric waveguides, i.e. without a longitudinal conductor
 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 per se H01Q 15/00)
 H01P 5/00
Coupling devices of the waveguide type (for introducing or removing wave energy to or from the discharge in transit-time tubes H01J 23/32)
 H01P 5/02
·  with invariable factor of coupling
 H01P 5/04
·  with variable factor of coupling
 H01P 5/08
·  for linking dissimilar lines or devices
 H01P 5/10
·  ·  for linking symmetric with asymmetric lines or devices
 H01P 5/12
·  Junctions of more than two guides, e.g. T- junctions
 H01P 5/14
·  ·  Directional coupling devices (coupling by switching H01P 1/10)
 H01P 7/00
Resonators of the waveguide type (structurally associated with transit-time tubes and interacting with the discharge therein H01J 23/18)
 H01P 7/02
·  Lecher resonators
 H01P 7/04
·  Coaxial resonators
 H01P 7/06
·  Cavity resonators
 H01P 9/00
Delay lines of the waveguide type (structurally associated with transit-time tubes and interacting with the discharge therein H01J 23/24)
 H01P 9/02
·  Helical lines
 H01P 9/04
·  Interdigital lines
 H01P 11/00
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)