H | SK | ELECTRICITY |
H04 | KL | ELECTRIC COMMUNICATION TECHNIQUE |
H04Q | UKL | SELECTING (switches, relays, selectors H01H; wireless communication networks H04W) [1, 2009.01] |
H04Q 1/00 | HGR | Details of selecting apparatus or arrangements [1, 2006.01] |
H04Q 1/02 | UGR1 | . | Constructional details [1, 2006.01] |
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H04Q 1/04 | UGR2 | . . | Frames or mounting racks for selector switches; Accessories therefor, e.g. frame cover [1, 2006.01] |
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H04Q 1/06 | UGR2 | . . | Cable ducts or mountings specially adapted for exchange installations [1, 2006.01] |
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H04Q 1/08 | UGR2 | . . | Frames or mounting racks for relays; Accessories therefor [1, 2006.01] |
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H04Q 1/10 | UGR2 | . . | Exchange station construction [1, 2006.01] |
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H04Q 1/12 | UGR2 | . . | Arrangements of multiple bars with or without pivotable frames [1, 2006.01] |
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H04Q 1/14 | UGR2 | . . | Distribution frames [1, 2006.01] |
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H04Q 1/16 | UGR2 | . . | Wiring arrangements for selector switches or relays in frames [1, 2006.01] |
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H04Q 1/18 | UGR1 | . | Electrical details [1, 2006.01] |
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H04Q 1/20 | UGR2 | . . | Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles [1, 2006.01] |
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H04Q 1/22 | UGR3 | . . . | Automatic arrangements [1, 2006.01] |
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H04Q 1/24 | UGR4 | . . . . | for connection devices [1, 2006.01] |
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H04Q 1/26 | UGR4 | . . . . | for signalling trouble in unoccupied sub-exchanges [1, 2006.01] |
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H04Q 1/28 | UGR2 | . . | Current-supply circuits or arrangements for selection equipment at exchanges [1, 2006.01] |
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H04Q 1/30 | UGR2 | . . | Signalling arrangements; Manipulation of signalling currents (multiplex systems providing for calling or supervisory signals H04J 1/14, H04J 3/12) [1, 2006.01] |
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H04Q 1/32 | UGR3 | . . . | using trains of dc pulses (H04Q 1/39 takes precedence) [1, 3, 2006.01] |
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H04Q 1/34 | UGR4 | . . . . | Impulse regenerators with mechanical or other non-electrical marking arrangements [1, 2006.01] |
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H04Q 1/36 | UGR4 | . . . . | Pulse-correcting arrangements, e.g. for reducing effects due to interference [1, 2006.01] |
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H04Q 1/38 | UGR3 | . . . | using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors [1, 2006.01] |
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H04Q 1/39 | UGR3 | . . . | using coded pulse groups [3, 2006.01] |
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H04Q 1/40 | UGR3 | . . . | whereby duration of pulse or interval between two pulses is variable [1, 2006.01] |
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H04Q 1/42 | UGR4 | . . . . | involving the position of a pulse in a cycle [1, 2006.01] |
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H04Q 1/44 | UGR3 | . . . | using ac (H04Q 1/50 takes precedence) [1, 3, 2006.01] |
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H04Q 1/442 | UGR4 | . . . . | with out-of-voice band signalling frequencies [3, 2006.01] |
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H04Q 1/444 | UGR4 | . . . . | with voice-band signalling frequencies [3, 2006.01] |
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H04Q 1/446 | UGR5 | . . . . . | using one signalling frequency (H04Q 1/46 takes precedence) [3, 2006.01] |
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H04Q 1/448 | UGR6 | . . . . . . | with conversion of a single frequency signal into a digital signal [3, 2006.01] |
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H04Q 1/45 | UGR5 | . . . . . | using multi-frequency signalling (H04Q 1/46 takes precedence) [1, 3, 2006.01] |
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H04Q 1/453 | UGR6 | . . . . . . | in which m-out-of-n signalling frequencies are transmitted [3, 2006.01] |
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H04Q 1/457 | UGR6 | . . . . . . | with conversion of multi-frequency signals into digital signals [3, 2006.01] |
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H04Q 1/46 | UGR5 | . . . . . | 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] |
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H04Q 1/48 | UGR3 | . . . | Induced-current signalling arrangements [1, 2006.01] |
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H04Q 1/50 | UGR3 | . . . | Conversion between different kinds of signals [1, 2006.01] |
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H04Q 1/54 | UGR2 | . . | Amplifier switched-on automatically in dependence on automatically selected lines [1, 2006.01] |
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H04Q 1/56 | UGR2 | . . | Balancing circuitry switched-on automatically in dependence on automatically selected lines [1, 2006.01] |
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H04Q 3/00 | HGR | Selecting arrangements (H04Q 5/00-H04Q 11/00 take precedence) [1, 2006.01] |
H04Q 3/02 | UGR1 | . | Circuit arrangements for selectors responsive to a permutation code [1, 2006.01] |
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H04Q 3/04 | UGR1 | . | Circuit arrangements for receivers of routing digits [1, 2006.01] |
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H04Q 3/06 | UGR2 | . . | for group or trunk group selectors [1, 2006.01] |
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H04Q 3/08 | UGR2 | . . | for local or long-distance selectors [1, 2006.01] |
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H04Q 3/10 | UGR2 | . . | for PBX selectors, i.e. private branch exchange selectors [1, 2006.01] |
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H04Q 3/12 | UGR2 | . . | for line selectors providing transfer of routing digits [1, 2006.01] |
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H04Q 3/14 | UGR2 | . . | for two-way operation selectors [1, 2006.01] |
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H04Q 3/16 | UGR2 | . . | for marking-switches [1, 2006.01] |
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H04Q 3/18 | UGR1 | . | Circuit arrangements for first stage of hunting switching [1, 2006.01] |
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H04Q 3/20 | UGR2 | . . | for preselectors [1, 2006.01] |
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H04Q 3/22 | UGR3 | . . . | comprising common calling and disconnecting circuit [1, 2006.01] |
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H04Q 3/24 | UGR2 | . . | for line finders [1, 2006.01] |
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H04Q 3/26 | UGR3 | . . . | comprising common calling and disconnecting circuit [1, 2006.01] |
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H04Q 3/28 | UGR3 | . . . | comprising main groups and subgroups [1, 2006.01] |
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H04Q 3/30 | UGR2 | . . | Selector finders, i.e. allotters [1, 2006.01] |
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H04Q 3/32 | UGR1 | . | Circuit arrangements for second or subsequent stages of hunting switching [1, 2, 2006.01] |
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H04Q 3/34 | UGR2 | . . | for the second preselection stage [1, 2006.01] |
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H04Q 3/36 | UGR2 | . . | for the second line-finder stage [1, 2006.01] |
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H04Q 3/38 | UGR2 | . . | for stages after the group-selector stage [1, 2006.01] |
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H04Q 3/40 | UGR2 | . . | for stages after the line selector, e.g. for extension selector [1, 2006.01] |
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H04Q 3/42 | UGR1 | . | Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker [1, 2006.01] |
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H04Q 3/44 | UGR2 | . . | using revertive control [1, 2006.01] |
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H04Q 3/46 | UGR2 | . . | using signals other than revertive impulses [1, 2006.01] |
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H04Q 3/47 | UGR2 | . . | using translators [1, 2006.01] |
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H04Q 3/48 | UGR2 | . . | using markers [1, 2006.01] |
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H04Q 3/49 | UGR3 | . . . | for end-to-end marking [1, 2006.01] |
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H04Q 3/495 | UGR3 | . . . | for routing connecting paths [1, 2006.01] |
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H04Q 3/52 | UGR2 | . . | using static devices in switching stages, e.g. electronic switching arrangements [2, 2006.01] |
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H04Q 3/54 | UGR2 | . . | in which the logic circuitry controlling the exchange is centralised [1, 2006.01] |
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H04Q 3/545 | UGR3 | . . . | using a stored programme [4, 2006.01] |
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H04Q 3/55 | UGR3 | . . . | using wired logic circuitry [4, 2006.01] |
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H04Q 3/555 | UGR4 | . . . . | being comprised by electro-magnetic devices [4, 2006.01] |
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H04Q 3/56 | UGR2 | . . | in which the control signals are multiplexed [2, 2006.01] |
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H04Q 3/58 | UGR1 | . | Arrangements providing connection between main exchange and sub-exchange or satellite [1, 2006.01] |
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H04Q 3/60 | UGR2 | . . | for connecting to satellites or concentrators which connect one or more exchange lines with a group of local lines [1, 2006.01] |
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H04Q 3/62 | UGR2 | . . | for connecting to private branch exchanges [1, 2006.01] |
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H04Q 3/64 | UGR1 | . | Distributing or queuing [1, 2006.01] |
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H04Q 3/66 | UGR2 | . . | Traffic distributors [1, 2006.01] |
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H04Q 3/68 | UGR2 | . . | Grouping or interlacing selector groups or stages [1, 2006.01] |
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H04Q 3/70 | UGR1 | . | Identification of class of calling subscriber [1, 2006.01] |
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H04Q 3/72 | UGR1 | . | Finding out and indicating number of calling subscriber [1, 2006.01] |
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H04Q 3/74 | UGR2 | . . | Identification of subscriber calling from a party-line [1, 2006.01] |
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H04Q 3/76 | UGR1 | . | Translation from the called subscriber's number to the outgoing or incoming control information [4, 2006.01] |
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H04Q 3/78 | UGR1 | . | Temporary storage of information of calling or called subscriber (intermediate storage means for telegraphic communication H04L 13/08) [4, 2006.01] |
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H04Q 5/00 | HGR | Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange [1, 2006.01] |
H04Q 5/02 | UGR1 | . | with direct connection for all subscribers, i.e. party-line system (H04Q 5/24 takes precedence) [1, 2006.01] |
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H04Q 5/04 | UGR2 | . . | Signalling by currents in one or other or both line wires or additional wires [1, 2006.01] |
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H04Q 5/06 | UGR2 | . . | Signalling by amplitude or polarity of dc [1, 2006.01] |
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H04Q 5/08 | UGR2 | . . | Signalling by continuous ac [1, 2006.01] |
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H04Q 5/10 | UGR3 | . . . | using single frequencies for different subscribers [1, 2006.01] |
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H04Q 5/12 | UGR3 | . . . | using combinations of frequencies [1, 2006.01] |
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H04Q 5/14 | UGR2 | . . | Signalling by pulses [1, 2006.01] |
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H04Q 5/16 | UGR3 | . . . | by predetermined number of pulses [1, 2006.01] |
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H04Q 5/18 | UGR1 | . | with indirect connection, i.e. through subordinate switching centre [1, 2006.01] |
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H04Q 5/20 | UGR2 | . . | the subordinate centre permitting interconnection of subscribers connected thereto [1, 2006.01] |
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H04Q 5/22 | UGR2 | . . | the subordinate centre not permitting interconnection of subscribers connected thereto [1, 2006.01] |
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H04Q 5/24 | UGR1 | . | for two-party-line systems [1, 2006.01] |
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H04Q 9/00 | HGR | Arrangements 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 9/02 | UGR1 | . | Automatically-operated arrangements [1, 2006.01] |
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H04Q 9/04 | UGR1 | . | Arrangements for synchronous operation [1, 2006.01] |
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H04Q 9/06 | UGR1 | . | Calling by using amplitude or polarity of dc [1, 2006.01] |
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H04Q 9/08 | UGR1 | . | Calling by using continuous ac [1, 2006.01] |
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H04Q 9/10 | UGR2 | . . | using single different frequencies [1, 2006.01] |
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H04Q 9/12 | UGR2 | . . | using combinations of frequencies [1, 2006.01] |
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H04Q 9/14 | UGR1 | . | Calling by using pulses [1, 2006.01] |
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H04Q 9/16 | UGR2 | . . | by predetermined number of pulses [1, 2006.01] |
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H04Q 11/00 | HGR | Selecting arrangements for multiplex systems (multiplex systems H04J) [1, 2006.01] |
H04Q 11/02 | UGR1 | . | for frequency-division multiplexing [1, 2006.01] |
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H04Q 11/04 | UGR1 | . | for time-division multiplexing [1, 2006.01] |
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H04Q 11/06 | UGR2 | . . | Time-space-time switching [5, 2006.01] |
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H04Q 11/08 | UGR2 | . . | Time only switching [5, 2006.01] |
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