IPC-Stelle: H04Q 3/76 [Version 2017.01]

SymbolTypTitel
HSKELECTRICITY
H04KLELECTRIC COMMUNICATION TECHNIQUE
H04QUKLSELECTING (switches, relays, selectors H01H;  wireless communication networks H04W) [1, 2009.01]
H04Q 1/00HGRDetails of selecting apparatus or arrangements [1, 2006.01]
H04Q 1/02UGR1
.Constructional details [1, 2006.01]
H04Q 1/04UGR2
. .Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover [1, 2006.01]
H04Q 1/06UGR2
. .Cable ducts or mountings specially adapted for exchange installations [1, 2006.01]
H04Q 1/08UGR2
. .Frames or mounting racks for relays; Accessories therefor [1, 2006.01]
H04Q 1/10UGR2
. .Exchange station construction [1, 2006.01]
H04Q 1/12UGR2
. .Arrangements of multiple bars with or without pivotable frames [1, 2006.01]
H04Q 1/14UGR2
. .Distribution frames [1, 2006.01]
H04Q 1/16UGR2
. .Wiring arrangements for selector switches or relays in frames [1, 2006.01]
H04Q 1/18UGR1
.Electrical details [1, 2006.01]
H04Q 1/20UGR2
. .Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles [1, 2006.01]
H04Q 1/22UGR3
. . .Automatic arrangements [1, 2006.01]
H04Q 1/24UGR4
. . . .for connection devices [1, 2006.01]
H04Q 1/26UGR4
. . . .for signalling trouble in unoccupied sub-exchanges [1, 2006.01]
H04Q 1/28UGR2
. .Current-supply circuits or arrangements for selection equipment at exchanges [1, 2006.01]
H04Q 1/30UGR2
. .Signalling arrangements; Manipulation of signalling currents (multiplex systems providing for calling or supervisory signals H04J 1/14, H04J 3/12) [1, 2006.01]
H04Q 1/32UGR3
. . .using trains of dc pulses (H04Q 1/39 takes precedence) [1, 3, 2006.01]
H04Q 1/34UGR4
. . . .Impulse regenerators with mechanical or other non-electrical marking arrangements [1, 2006.01]
H04Q 1/36UGR4
. . . .Pulse-correcting arrangements, e.g. for reducing effects due to interference [1, 2006.01]
H04Q 1/38UGR3
. . .using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors [1, 2006.01]
H04Q 1/39UGR3
. . .using coded pulse groups [3, 2006.01]
H04Q 1/40UGR3
. . .whereby duration of pulse or interval between two pulses is variable [1, 2006.01]
H04Q 1/42UGR4
. . . .involving the position of a pulse in a cycle [1, 2006.01]
H04Q 1/44UGR3
. . .using ac (H04Q 1/50 takes precedence) [1, 3, 2006.01]
H04Q 1/442UGR4
. . . .with out-of-voice band signalling frequencies [3, 2006.01]
H04Q 1/444UGR4
. . . .with voice-band signalling frequencies [3, 2006.01]
H04Q 1/446UGR5
. . . . .using one signalling frequency (H04Q 1/46 takes precedence) [3, 2006.01]
H04Q 1/448UGR6
. . . . . .with conversion of a single frequency signal into a digital signal [3, 2006.01]
H04Q 1/45UGR5
. . . . .using multi-frequency signalling (H04Q 1/46 takes precedence) [1, 3, 2006.01]
H04Q 1/453UGR6
. . . . . .in which m-out-of-n signalling frequencies are transmitted [3, 2006.01]
H04Q 1/457UGR6
. . . . . .with conversion of multi-frequency signals into digital signals [3, 2006.01]
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 [1, 3, 2006.01]
H04Q 1/48UGR3
. . .Induced-current signalling arrangements [1, 2006.01]
H04Q 1/50UGR3
. . .Conversion between different kinds of signals [1, 2006.01]
H04Q 1/54UGR2
. .Amplifier switched-on automatically in dependence on automatically selected lines [1, 2006.01]
H04Q 1/56UGR2
. .Balancing circuitry switched-on automatically in dependence on automatically selected lines [1, 2006.01]
H04Q 3/00HGRSelecting arrangements (H04Q 5/00-H04Q 11/00 take precedence) [1, 2006.01]
H04Q 3/02UGR1
.Circuit arrangements for selectors responsive to a permutation code [1, 2006.01]
H04Q 3/04UGR1
.Circuit arrangements for receivers of routing digits [1, 2006.01]
H04Q 3/06UGR2
. .for group or trunk group selectors [1, 2006.01]
H04Q 3/08UGR2
. .for local or long-distance selectors [1, 2006.01]
H04Q 3/10UGR2
. .for PBX selectors, i.e. private branch exchange selectors [1, 2006.01]
H04Q 3/12UGR2
. .for line selectors providing transfer of routing digits [1, 2006.01]
H04Q 3/14UGR2
. .for two-way operation selectors [1, 2006.01]
H04Q 3/16UGR2
. .for marking-switches [1, 2006.01]
H04Q 3/18UGR1
.Circuit arrangements for first stage of hunting switching [1, 2006.01]
H04Q 3/20UGR2
. .for preselectors [1, 2006.01]
H04Q 3/22UGR3
. . .comprising common calling and disconnecting circuit [1, 2006.01]
H04Q 3/24UGR2
. .for line finders [1, 2006.01]
H04Q 3/26UGR3
. . .comprising common calling and disconnecting circuit [1, 2006.01]
H04Q 3/28UGR3
. . .comprising main groups and subgroups [1, 2006.01]
H04Q 3/30UGR2
. .Selector finders, i.e. allotters [1, 2006.01]
H04Q 3/32UGR1
.Circuit arrangements for second or subsequent stages of hunting switching [1, 2, 2006.01]
H04Q 3/34UGR2
. .for the second preselection stage [1, 2006.01]
H04Q 3/36UGR2
. .for the second line-finder stage [1, 2006.01]
H04Q 3/38UGR2
. .for stages after the group-selector stage [1, 2006.01]
H04Q 3/40UGR2
. .for stages after the line selector, e.g. for extension selector [1, 2006.01]
H04Q 3/42UGR1
.Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker [1, 2006.01]
H04Q 3/44UGR2
. .using revertive control [1, 2006.01]
H04Q 3/46UGR2
. .using signals other than revertive impulses [1, 2006.01]
H04Q 3/47UGR2
. .using translators [1, 2006.01]
H04Q 3/48UGR2
. .using markers [1, 2006.01]
H04Q 3/49UGR3
. . .for end-to-end marking [1, 2006.01]
H04Q 3/495UGR3
. . .for routing connecting paths [1, 2006.01]
H04Q 3/52UGR2
. .using static devices in switching stages, e.g. electronic switching arrangements [2, 2006.01]
H04Q 3/54UGR2
. .in which the logic circuitry controlling the exchange is centralised [1, 2006.01]
H04Q 3/545UGR3
. . .using a stored programme [4, 2006.01]
H04Q 3/55UGR3
. . .using wired logic circuitry [4, 2006.01]
H04Q 3/555UGR4
. . . .being comprised by electro-magnetic devices [4, 2006.01]
H04Q 3/56UGR2
. .in which the control signals are multiplexed [2, 2006.01]
H04Q 3/58UGR1
.Arrangements providing connection between main exchange and sub-exchange or satellite [1, 2006.01]
H04Q 3/60UGR2
. .for connecting to satellites or concentrators which connect one or more exchange lines with a group of local lines [1, 2006.01]
H04Q 3/62UGR2
. .for connecting to private branch exchanges [1, 2006.01]
H04Q 3/64UGR1
.Distributing or queuing [1, 2006.01]
H04Q 3/66UGR2
. .Traffic distributors [1, 2006.01]
H04Q 3/68UGR2
. .Grouping or interlacing selector groups or stages [1, 2006.01]
H04Q 3/70UGR1
.Identification of class of calling subscriber [1, 2006.01]
H04Q 3/72UGR1
.Finding out and indicating number of calling subscriber [1, 2006.01]
H04Q 3/74UGR2
. .Identification of subscriber calling from a party-line [1, 2006.01]
H04Q 3/76UGR1
.Translation from the called subscriber's number to the outgoing or incoming control information [4, 2006.01]
H04Q 3/78UGR1
.Temporary storage of information of calling or called subscriber (intermediate storage means for telegraphic communication H04L 13/08) [4, 2006.01]
H04Q 5/00HGRSelecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange [1, 2006.01]
H04Q 5/02UGR1
.with direct connection for all subscribers, i.e. party-line system (H04Q 5/24 takes precedence) [1, 2006.01]
H04Q 5/04UGR2
. .Signalling by currents in one or other or both line wires or additional wires [1, 2006.01]
H04Q 5/06UGR2
. .Signalling by amplitude or polarity of dc [1, 2006.01]
H04Q 5/08UGR2
. .Signalling by continuous ac [1, 2006.01]
H04Q 5/10UGR3
. . .using single frequencies for different subscribers [1, 2006.01]
H04Q 5/12UGR3
. . .using combinations of frequencies [1, 2006.01]
H04Q 5/14UGR2
. .Signalling by pulses [1, 2006.01]
H04Q 5/16UGR3
. . .by predetermined number of pulses [1, 2006.01]
H04Q 5/18UGR1
.with indirect connection, i.e. through subordinate switching centre [1, 2006.01]
H04Q 5/20UGR2
. .the subordinate centre permitting interconnection of subscribers connected thereto [1, 2006.01]
H04Q 5/22UGR2
. .the subordinate centre not permitting interconnection of subscribers connected thereto [1, 2006.01]
H04Q 5/24UGR1
.for two-party-line systems [1, 2006.01]
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 [1, 2006.01]
H04Q 9/02UGR1
.Automatically-operated arrangements [1, 2006.01]
H04Q 9/04UGR1
.Arrangements for synchronous operation [1, 2006.01]
H04Q 9/06UGR1
.Calling by using amplitude or polarity of dc [1, 2006.01]
H04Q 9/08UGR1
.Calling by using continuous ac [1, 2006.01]
H04Q 9/10UGR2
. .using single different frequencies [1, 2006.01]
H04Q 9/12UGR2
. .using combinations of frequencies [1, 2006.01]
H04Q 9/14UGR1
.Calling by using pulses [1, 2006.01]
H04Q 9/16UGR2
. .by predetermined number of pulses [1, 2006.01]
H04Q 11/00HGRSelecting arrangements for multiplex systems (multiplex systems H04J) [1, 2006.01]
H04Q 11/02UGR1
.for frequency-division multiplexing [1, 2006.01]
H04Q 11/04UGR1
.for time-division multiplexing [1, 2006.01]
H04Q 11/06UGR2
. .Time-space-time switching [5, 2006.01]
H04Q 11/08UGR2
. .Time only switching [5, 2006.01]