IPC-Stelle: H03H 9/125 [Version 2017.01]

SymbolTypTitel
HSKELECTRICITY
H03KLBASIC ELECTRONIC CIRCUITRY
H03HUKLIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (measuring, testing G01R; arrangements for producing a reverberation or echo sound G10K 15/08; impedance networks or resonators consisting of distributed impedances, e.g. of the waveguide type, H01P; control of amplification, e.g. bandwidth control of amplifiers, H03G; tuning resonant circuits, e.g. tuning coupled resonant circuits, H03J; networks for modifying the frequency characteristics of communication systems H04B)
H03H 1/00HGRConstructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network (constructional details of electromechanical transducers H03H 9/00) [1, 2006.01]
H03H 1/02UGR1
.RC networks, e.g. filters (structural combinations of capacitors with other electric elements H01G) [3, 2006.01]
H03H 2/00HGRNetworks using elements or techniques not provided for in groups H03H 3/00-H03H 21/00 [3, 2006.01]
H03H 3/00HGRApparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators [1, 2006.01]
H03H 3/007UGR1
.for the manufacture of electromechanical resonators or networks [3, 2006.01]
H03H 3/013UGR2
. .for obtaining desired frequency or temperature coefficient (H03H 3/04, H03H 3/10 take precedence) [3, 2006.01]
H03H 3/02UGR2
. .for the manufacture of piezo-electric or electrostrictive resonators or networks (H03H 3/08 takes precedence) [1, 3, 2006.01]
H03H 3/04UGR3
. . .for obtaining desired frequency or temperature coefficient [1, 3, 2006.01]
H03H 3/06UGR2
. .for the manufacture of magnetostrictive resonators or networks [1, 3, 2006.01]
H03H 3/08UGR2
. .for the manufacture of resonators or networks using surface acoustic waves [3, 2006.01]
H03H 3/10UGR3
. . .for obtaining desired frequency or temperature coefficient [3, 2006.01]
H03H 5/00HGROne-port networks comprising only passive electrical elements as network components [1, 3, 2006.01]
H03H 5/02UGR1
.without voltage- or current-dependent elements [1, 2006.01]
H03H 5/10UGR2
. .comprising at least one element with prescribed temperature coefficient [1, 2006.01]
H03H 5/12UGR1
.with at least one voltage- or current-dependent element [1, 2006.01]
H03H 7/00HGRMultiple-port networks comprising only passive electrical elements as network components (receiver input circuits H04B 1/18; networks simulating a length of communication cable H04B 3/40) [1, 3, 2006.01]
H03H 7/01UGR1
.Frequency selective two-port networks [3, 2006.01]
H03H 7/03UGR2
. .comprising means for compensation of loss [3, 2006.01]
H03H 7/06UGR2
. .including resistors (H03H 7/075, H03H 7/09, H03H 7/12, H03H 7/13 take precedence) [1, 3, 2006.01]
H03H 7/065UGR3
. . .Parallel T-filters [3, 2006.01]
H03H 7/07UGR3
. . .Bridged T-filters [3, 2006.01]
H03H 7/075UGR2
. .Ladder networks, e.g. electric wave filters [3, 2006.01]
H03H 7/09UGR2
. .Filters comprising mutual inductance [3, 2006.01]
H03H 7/12UGR2
. .Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency (H03H 7/09 takes precedence; automatic control of bandwidth in amplifiers H03G 5/16) [1, 2006.01]
H03H 7/13UGR2
. .using electro-optical elements [3, 2006.01]
H03H 7/18UGR1
.Networks for phase shifting [1, 2006.01]
H03H 7/19UGR2
. .Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters [3, 2006.01]
H03H 7/20UGR2
. .Two-port phase shifters providing an adjustable phase shift [1, 3, 2006.01]
H03H 7/21UGR2
. .providing two or more phase shifted output signals, e.g. n-phase output [3, 2006.01]
H03H 7/24UGR1
.Frequency-independent attenuators [1, 2006.01]
H03H 7/25UGR2
. .comprising an element controlled by an electric or magnetic variable (H03H 7/27 takes precedence) [3, 2006.01]
H03H 7/27UGR2
. .comprising a photo-electric element [3, 2006.01]
H03H 7/30UGR1
.Time-delay networks [1, 2006.01]
H03H 7/32UGR2
. .with lumped inductance and capacitance [1, 2006.01]
H03H 7/34UGR2
. .with lumped and distributed reactance [1, 2006.01]
H03H 7/38UGR1
.Impedance-matching networks [1, 2006.01]
H03H 7/40UGR2
. .Automatic matching of load impedance to source impedance [1, 2006.01]
H03H 7/42UGR1
.Balance/unbalance networks [1, 2006.01]
H03H 7/46UGR1
.Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source (for use in multiplex transmission systems H04J 1/00) [1, 2006.01]
H03H 7/48UGR1
.Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (phase shifters providing two or more output signals H03H 7/21) [1, 3, 2006.01]
H03H 7/52UGR1
.One-way transmission networks, i.e. unilines [1, 2006.01]
H03H 7/54UGR1
.Modifications of networks to reduce influence of variations of temperature [3, 2006.01]
H03H 9/00HGRNetworks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (manufacture of piezo-electric or magnetostrictive elements H01L 41/00; loudspeakers, microphones, gramophone pick-ups or the like H04R) [1, 2006.01]
H03H 9/02UGR1
.Details [1, 3, 2006.01]
H03H 9/05UGR2
. .Holders; Supports [3, 2006.01]
H03H 9/08UGR3
. . .Holders with means for regulating temperature [1, 2006.01]
H03H 9/09UGR3
. . .Elastic or damping supports [3, 2006.01]
H03H 9/10UGR3
. . .Mounting in enclosures [1, 2006.01]
H03H 9/12UGR4
. . . .for networks with interaction of optical and acoustic waves [1, 2006.01]
H03H 9/125UGR2
. .Driving means, e.g. electrodes, coils [3, 2006.01]
H03H 9/13UGR3
. . .for networks consisting of piezo-electric or electrostrictive materials (H03H 9/145 takes precedence) [3, 2006.01]
H03H 9/135UGR3
. . .for networks consisting of magnetostrictive materials (H03H 9/145 takes precedence) [3, 2006.01]
H03H 9/145UGR3
. . .for networks using surface acoustic waves [3, 2006.01]
H03H 9/15UGR1
.Constructional features of resonators consisting of piezo-electric or electrostrictive material (H03H 9/25 takes precedence) [3, 2006.01]
H03H 9/17UGR2
. .having a single resonator (crystal tuning forks H03H 9/21) [3, 2006.01]
H03H 9/19UGR3
. . .consisting of quartz [3, 2006.01]
H03H 9/205UGR2
. .having multiple resonators (crystal tuning forks H03H 9/21) [3, 2006.01]
H03H 9/21UGR2
. .Crystal tuning forks [3, 2006.01]
H03H 9/215UGR3
. . .consisting of quartz [3, 2006.01]
H03H 9/22UGR1
.Constructional features of resonators consisting of magnetostricitve material [1, 2006.01]
H03H 9/24UGR1
.Constructional features of resonators of material which is not piezo-electric, electrostrictive, or magnetostrictive [1, 2006.01]
H03H 9/25UGR1
.Constructional features of resonators using surface acoustic waves [3, 2006.01]
H03H 9/30UGR1
.Time-delay networks [1, 2006.01]
H03H 9/36UGR2
. .with non-adjustable delay time (H03H 9/40, H03H 9/42 take precedence) [3, 2006.01]
H03H 9/38UGR2
. .with adjustable delay time (H03H 9/40, H03H 9/42 take precedence) [3, 2006.01]
H03H 9/40UGR2
. .Frequency-dependent delay lines, e.g. dispersive delay lines (H03H 9/42 takes precedence) [3, 2006.01]
H03H 9/42UGR2
. .using surface acoustic waves [3, 2006.01]
H03H 9/44UGR3
. . .Frequency-dependent delay lines, e.g. dispersive delay lines [3, 2006.01]
H03H 9/46UGR1
.Filters (multiple-port electromechanical filters H03H 9/70) [3, 2006.01]
H03H 9/48UGR2
. .Coupling means therefor [3, 2006.01]
H03H 9/50UGR3
. . .Mechanical coupling means [3, 2006.01]
H03H 9/52UGR3
. . .Electric coupling means [3, 2006.01]
H03H 9/54UGR2
. .comprising resonators of piezo-electric or electrostrictive material (H03H 9/64 takes precedence) [3, 2006.01]
H03H 9/56UGR3
. . .Monolithic crystal filters [3, 2006.01]
H03H 9/58UGR3
. . .Multiple crystal filters [3, 2006.01]
H03H 9/60UGR4
. . . .Electric coupling means therefor [3, 2006.01]
H03H 9/62UGR2
. .comprising resonators of magnetostrictive material (H03H 9/64 takes precedence) [3, 2006.01]
H03H 9/64UGR2
. .using surface acoustic waves [3, 2006.01]
H03H 9/66UGR1
.Phase shifters [3, 2006.01]
H03H 9/68UGR2
. .using surface acoustic waves [3, 2006.01]
H03H 9/70UGR1
.Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common or source [3, 2006.01]
H03H 9/72UGR2
. .Networks using surface acoustic waves [3, 2006.01]
H03H 9/74UGR1
.Multiple-port networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (networks for phase shifting H03H 9/66) [3, 2006.01]
H03H 9/76UGR2
. .Networks using surface acoustic waves [3, 2006.01]
H03H 11/00HGRNetworks using active elements [1, 2006.01]
H03H 11/02UGR1
.Multiple-port networks [3, 2006.01]
H03H 11/04UGR2
. .Frequency selective two-port networks [3, 2006.01]
H03H 11/06UGR3
. . .comprising means for compensation of loss [3, 2006.01]
H03H 11/08UGR3
. . .using gyrators [3, 2006.01]
H03H 11/10UGR3
. . .using negative impedance converters (H03H 11/08 takes precedence) [3, 2006.01]
H03H 11/12UGR3
. . .using amplifiers with feedback (H03H 11/08, H03H 11/10 take precedence) [3, 2006.01]
H03H 11/14UGR3
. . .using electro-optical devices [3, 2006.01]
H03H 11/16UGR2
. .Networks for phase shifting [3, 2006.01]
H03H 11/18UGR3
. . .Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters [3, 2006.01]
H03H 11/20UGR3
. . .Two-port phase shifters providing an adjustable phase shift [3, 2006.01]
H03H 11/22UGR3
. . .providing two or more phase shifted output signals, e.g. n-phase output [3, 2006.01]
H03H 11/24UGR2
. .Frequency-independent attenuators [3, 2006.01]
H03H 11/26UGR2
. .Time-delay networks (analogue shift registers G11C 27/04) [3, 2006.01]
H03H 11/28UGR2
. .Impedance matching networks [3, 2006.01]
H03H 11/30UGR3
. . .Automatic matching of source impedance to load impedance [3, 2006.01]
H03H 11/32UGR2
. .Balance-unbalance networks [3, 2006.01]
H03H 11/34UGR2
. .Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source (for use in multiplex transmission systems H04J 1/00) [3, 2006.01]
H03H 11/36UGR2
. .Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (phase shifters providing two or more output signals H03H 11/22) [3, 2006.01]
H03H 11/38UGR2
. .One-way transmission networks, i.e. unilines [3, 2006.01]
H03H 11/40UGR2
. .Impedance converters [3, 2006.01]
H03H 11/42UGR3
. . .Gyrators (used in frequency selective networks H03H 11/08) [3, 2006.01]
H03H 11/44UGR3
. . .Negative impedance converters (H03H 11/42 takes precedence; used in frequency-selective networks H03H 11/10) [3, 2006.01]
H03H 11/46UGR1
.One-port networks [3, 2006.01]
H03H 11/48UGR2
. .simulating reactances [3, 2006.01]
H03H 11/50UGR3
. . .using gyrators [3, 2006.01]
H03H 11/52UGR2
. .simulating negative resistances [3, 2006.01]
H03H 11/54UGR1
.Modifications of networks to reduce influence of variations of temperature [3, 2006.01]
H03H 15/00HGRTransversal filters (electromechanical filters H03H 9/46, H03H 9/70) [3, 2006.01]
H03H 15/02UGR1
.using analogue shift registers [3, 2006.01]
H03H 17/00HGRNetworks using digital techniques [3, 2006.01]
H03H 17/02UGR1
.Frequency-selective networks [3, 2006.01]
H03H 17/04UGR2
. .Recursive filters [3, 2006.01]
H03H 17/06UGR2
. .Non-recursive filters [3, 2006.01]
H03H 17/08UGR1
.Networks for phase-shifting [3, 2006.01]
H03H 19/00HGRNetworks using time-varying elements, e.g. N-path filters [3, 2006.01]
H03H 21/00HGRAdaptive networks [3, 2006.01]