IPC-Stelle: H04Q 1/42 [Version 2006.01]

SymbolTypTitel
HSKSECTION H — ELECTRICITY
H04KLELECTRIC COMMUNICATION TECHNIQUE
H04QUKLSELECTING (switches, relays, selectors H01H; electronic switches H03K 17/00)
H04Q 1/00HGRDetails of selecting apparatus or arrangements (details of selector switches H01H 63/00)
H04Q 1/02UGR1
.Constructional details
H04Q 1/04UGR2
. .Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover
H04Q 1/06UGR2
. .Cable ducts or mountings specially adapted for exchange installations (in general H02G)
H04Q 1/08UGR2
. .Frames or mounting racks for relays; Accessories therefor
H04Q 1/10UGR2
. .Exchange station construction
H04Q 1/12UGR2
. .Arrangements of multiple bars with or without pivotable frames
H04Q 1/14UGR2
. .Distribution frames
H04Q 1/16UGR2
. .Wiring arrangements for selector switches or relays in frames
H04Q 1/18UGR1
.Electrical details
H04Q 1/20UGR2
. .Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles
H04Q 1/22UGR3
. . .Automatic arrangements
H04Q 1/24UGR4
. . . .for connection devices
H04Q 1/26UGR4
. . . .for signalling trouble in unoccupied sub-exchanges
H04Q 1/28UGR2
. .Current-supply circuits or arrangements for selection equipment at exchanges
H04Q 1/30UGR2
. .Signalling arrangements; Manipulation of signalling currents (multiplex systems providing for calling or supervisory signals H04J 1/14, H04J 3/12; telephone substation equipment H04M 1/00)
H04Q 1/32UGR3
. . .using trains of dc pulses (H04Q 1/39 takes precedence) [3]
H04Q 1/34UGR4
. . . .Impulse regenerators with mechanical or other non-electrical marking arrangements
H04Q 1/36UGR4
. . . .Pulse-correcting arrangements, e.g. for reducing effects due to interference
H04Q 1/38UGR3
. . .using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
H04Q 1/39UGR3
. . .using coded pulse groups [3]
H04Q 1/40UGR3
. . .whereby duration of pulse or interval between two pulses is variable
H04Q 1/42UGR4
. . . .involving the position of a pulse in a cycle
H04Q 1/44UGR3
. . .using ac (H04Q 1/50 takes precedence) [3]
H04Q 1/442UGR4
. . . .with out-of-voice band signalling frequencies [3]
H04Q 1/444UGR4
. . . .with voice-band signalling frequencies [3]
H04Q 1/446UGR5
. . . . .using one signalling frequency (H04Q 1/46 takes precedence) [3]
H04Q 1/448UGR6
. . . . . .with conversion of a single frequency signal into a digital signal [3]
H04Q 1/45UGR5
. . . . .using multi-frequency signalling (H04Q 1/46 takes precedence) [3]
H04Q 1/453UGR6
. . . . . .in which m-out-of-n signalling frequencies are transmitted [3]
H04Q 1/457UGR6
. . . . . .with conversion of multi-frequency signals into digital signals [3]
H04Q 1/46UGR5
. . . . .comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current [3]
H04Q 1/48UGR3
. . .Induced-current signalling arrangements
H04Q 1/50UGR3
. . .Conversion between different kinds of signals
H04Q 1/54UGR2
. .Amplifier switched-on automatically in dependence on automatically selected lines
H04Q 1/56UGR2
. .Balancing circuitry switched-on automatically in dependence on automatically selected lines
H04Q 3/00HGRSelecting arrangements (H04Q 5/00-H04Q 11/00 take precedence)
H04Q 3/02UGR1
.Circuit arrangements for selectors responsive to a permutation code
H04Q 3/04UGR1
.Circuit arrangements for receivers of routing digits
H04Q 3/06UGR2
. .for group or trunk group selectors
H04Q 3/08UGR2
. .for local or long-distance selectors
H04Q 3/10UGR2
. .for PBX selectors, i.e. private branch exchange selectors
H04Q 3/12UGR2
. .for line selectors providing transfer of routing digits
H04Q 3/14UGR2
. .for two-way operation selectors
H04Q 3/16UGR2
. .for marking-switches
H04Q 3/18UGR1
.Circuit arrangements for first stage of hunting switching
H04Q 3/20UGR2
. .for preselectors
H04Q 3/22UGR3
. . .comprising common calling and disconnecting circuit
H04Q 3/24UGR2
. .for line finders
H04Q 3/26UGR3
. . .comprising common calling and disconnecting circuit
H04Q 3/28UGR3
. . .comprising main groups and subgroups
H04Q 3/30UGR2
. .Selector finders, i.e. allotters
H04Q 3/32UGR1
.Circuit arrangements for second or subsequent stages of hunting switching [2]
H04Q 3/34UGR2
. .for the second preselection stage
H04Q 3/36UGR2
. .for the second line-finder stage
H04Q 3/38UGR2
. .for stages after the group-selector stage
H04Q 3/40UGR2
. .for stages after the line selector, e.g. for extension selector
H04Q 3/42UGR1
.Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
H04Q 3/44UGR2
. .using revertive control
H04Q 3/46UGR2
. .using signals other than revertive impulses
H04Q 3/47UGR2
. .using translators
H04Q 3/48UGR2
. .using markers
H04Q 3/49UGR3
. . .for end-to-end marking
H04Q 3/495UGR3
. . .for routing connecting paths
H04Q 3/52UGR2
. .using static devices in switching stages, e.g. electronic switching arrangements [2]
H04Q 3/54UGR2
. .in which the logic circuitry controlling the exchange is centralised
H04Q 3/545UGR3
. . .using a stored programme [4]
H04Q 3/55UGR3
. . .using wired logic circuitry [4]
H04Q 3/555UGR4
. . . .being comprised by electro-magnetic devices [4]
H04Q 3/56UGR2
. .in which the control signals are multiplexed [2]
H04Q 3/58UGR1
.Arrangements providing connection between main exchange and sub-exchange or satellite
H04Q 3/60UGR2
. .for connecting to satellites or concentrators which connect one or more exchange lines with a group of local lines
H04Q 3/62UGR2
. .for connecting to private branch exchanges
H04Q 3/64UGR1
.Distributing or queuing
H04Q 3/66UGR2
. .Traffic distributors
H04Q 3/68UGR2
. .Grouping or interlacing selector groups or stages
H04Q 3/70UGR1
.Identification of class of calling subscriber
H04Q 3/72UGR1
.Finding out and indicating number of calling subscriber
H04Q 3/74UGR2
. .Identification of subscriber calling from a party-line
H04Q 3/76UGR1
.Translation from the called subscriber's number to the outgoing or incoming control information [4]
H04Q 3/78UGR1
.Temporary storage of information of calling or called subscriber (intermediate storage means for telegraphic communication H04L 13/08) [4]
H04Q 5/00HGRSelecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
H04Q 5/02UGR1
.with direct connection for all subscribers, i.e. party-line system (H04Q 5/24 takes precedence)
H04Q 5/04UGR2
. .Signalling by currents in one or other or both line wires or additional wires
H04Q 5/06UGR2
. .Signalling by amplitude or polarity of dc
H04Q 5/08UGR2
. .Signalling by continuous ac
H04Q 5/10UGR3
. . .using single frequencies for different subscribers
H04Q 5/12UGR3
. . .using combinations of frequencies
H04Q 5/14UGR2
. .Signalling by pulses
H04Q 5/16UGR3
. . .by predetermined number of pulses
H04Q 5/18UGR1
.with indirect connection, i.e. through subordinate switching centre
H04Q 5/20UGR2
. .the subordinate centre permitting interconnection of subscribers connected thereto
H04Q 5/22UGR2
. .the subordinate centre not permitting interconnection of subscribers connected thereto
H04Q 5/24UGR1
.for two-party-line systems
H04Q 7/00HGRSelecting arrangements to which subscribers are connected via radio links or inductive links
H04Q 7/06UGR1
.in which the radio or inductive links are essentially one-way, e.g. selective calling systems [6]
H04Q 7/08UGR2
. .Selective calling networks, e.g. wide area paging [6]
H04Q 7/10UGR2
. .Selective call encoders, i.e. equipment at paging centre or base station [6]
H04Q 7/12UGR2
. .with acknowledge back capability [6]
H04Q 7/14UGR2
. .Selective call receivers [6]
H04Q 7/16UGR3
. . .Selective call decoders [6]
H04Q 7/18UGR3
. . .Functional features associated with selective call operation, e.g. battery saving circuits, address code programming [6]
H04Q 7/20UGR1
.in which the radio or inductive links are two-way links, e.g. mobile radio systems [6]
H04Q 7/22UGR2
. .using dedicated mobile switching centres, e.g. cellular systems [6]
H04Q 7/24UGR2
. .using public exchanges or networks with at least partially integrated mobile switching or mobile application [6]
H04Q 7/26UGR2
. .using a private branch exchange (PBX) as final selecting device, e.g. cordless PBX [6]
H04Q 7/28UGR2
. .Trunked radio systems, i.e. sharing radio channel among active subscribers [6]
H04Q 7/30UGR2
. .Base station equipment [6]
H04Q 7/32UGR2
. .Mobile subscriber equipment [6]
H04Q 7/34UGR2
. .Test or monitoring equipment [6]
H04Q 7/36UGR2
. .Arrangements for mobile service area coverage, e.g. cells layout [6]
H04Q 7/38UGR2
. .Arrangements for completing call to or from mobile subscriber [6]
H04Q 9/00HGRArrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
H04Q 9/02UGR1
.Automatically-operated arrangements
H04Q 9/04UGR1
.Arrangements for synchronous operation
H04Q 9/06UGR1
.Calling by using amplitude or polarity of dc
H04Q 9/08UGR1
.Calling by using continuous ac
H04Q 9/10UGR2
. .using single different frequencies
H04Q 9/12UGR2
. .using combinations of frequencies
H04Q 9/14UGR1
.Calling by using pulses
H04Q 9/16UGR2
. .by predetermined number of pulses
H04Q 11/00HGRSelecting arrangements for multiplex systems (multiplex systems H04J)
H04Q 11/02UGR1
.for frequency-division multiplexing
H04Q 11/04UGR1
.for time-division multiplexing
H04Q 11/06UGR2
. .Time-space-time switching [5]
H04Q 11/08UGR2
. .Time only switching [5]