DE370602C - Circuit arrangement for telephone systems with exchanges operated in different ways - Google Patents

Description

Circuit arrangement for telephone systems with exchanges operated in different ways. The invention relates to telephone systems with variously operated . investigation centers, some of which are set up for manual, others for self-connection operation. Subscribers of the manual switching centers, whose main telephone exchange takes place with subscribers from self-connecting exchanges, can be equipped with facilities through which their connections with these self-connecting subscribers can be established without the use of an official. However, this arrangement has the disadvantage that two connection lines are seized when the own manual exchange is accessed.

According to the invention, the arrangement of these systems is simplified by that the lines of self-connecting subscribers of a manual switching center switching devices are assigned, which are influenced by switching measures of the officer, the participants enable the establishment of a connection via automatic devices. Appropriate special auxiliary jacks or buttons are attached to the lines of the self-connecting subscribers assigned, which are advantageously arranged under or next to the query latch. Preselection organs are switched on via these pawls or the buttons: #t, the Connect subscribers to self-connection with numbered surge receivers. The lines are equipped with an auxiliary latch if the manual interface is after the two-cord system built i.3t "with the connecting plug one when polling used (-n pair of cords is inserted into the auxiliary pawl. The tail lamps of the Cord pairs are according to the invention in such a way with the switching devices of the voters vert) unden that when the connection is canceled by the calling subscriber a double-sided final signal is given.

In the case of manual exchanges with single-line operation, the present invention is used the call plan of the self-connecting part as a final sign and is switched on by the help button in such a way that after the connection has been terminated gives a final sign that is clearly distinguishable from the call sign.

Appropriately, the double-sided final signaling or activation takes place the call plan as a final sign only after the first dialing code has been triggered.

In the drawings are several embodiments of the invention shown schematically.

Fig. I and ia show a circuit arrangement for systems with N selector switches for connecting the strobe transmission device to one of the connecting lines and the number surge receiver.

Fig.:2 explains a circuit arrangement for systems with a constriction system.

Are the VermittlungsstelleIV except participants, including lt compounds thereof produced by an official "and be completed, even Selbstanschlußteilnehiner, z. BS, connected to be set by switching actions of the official service, a connection with participants of an exchange f or self-connection operation (eg. B. VI) or with a group of self-connection subscribers in the manual switching center IV itself.

First, the case will be explained in which a manual exchange subscriber h wants a connection with a subscriber lt., The manual switching center III. When the handset is picked up at subscriber station h, the call relay AR, speaks. by current via subscriber lines a-, b and switches on the AL1 call lamp at the work contacts: earth, battery, call alarm AL "contacts: 2, 1, earth the isolating relay TR, is excited. This opens the contact 2, so that the call lamp AL "goes out. The final sign lightpe.SL does not light up due to the high resistance of the winding of the relay Tr. 2, # after the interrogation, the officer puts the connecting plug VStp into the connecting pawl VK., Whereby the contact 3 is closed. This switches on the starting relay An as follows: earth, contacts 3, 4, resistor 5 and 6, relay on, battery, earth. The relay An closes the circuit for the drive niagnetenD of the location selector P1V at contact 7. If the arms of the location selector PIY moved by the magnet D "meet the connection line of the plugged latch VK., The test relay P is excited in the following #trornkreise: Earth, battery, Arheitkontakt 8, Wickhingen 1 and 1I of the test relay P, arm g. Contact io, resistor 5, contacts 4, 3 # earth. The relay P responds, interrupts the circuit of the rotary magnet D "at contact ii and short-circuits its high-resistance winding 1 at contact 1 2 . Via contact 13, the rotary magnet D, de, first preselector L Vif- ' is switched on as follows. Earth, contact 13, arm 14, contacts 15, 16, DrehniagnetD ", interrupter. Battery, earth. If the first preselection I.VTT- 'finds a free second preselectionII.Vil-', the test relay T. is excited as follows: Earth, Normally open contact 17, Arni 18, contact, windings 1 and jI de, relay T., relay R., c-arm of the first preselector I.VIV ', winding of relay R. Contact2o, winding-II of relay R. " Battery, earth. The relay T. interrupts the circuit of the drive magnet D " by opening the contact 16 and closes the contact: 2 i the winding 1 of the relay T, short, whereby the occupied second preselector IL Vif- 'for other first preselectors I. Vit-- is blocked. The relay R closes on the second preselector IL Vlt, the circuit of the drive magnet D at contact 22, and prepares the circuit for the test relay T., on contact 23. If a free direction selector L GW is found, the test relay T "is excited in the following circuits: earth, contact 13, arm 14, contacts 1 5, 2 1, winding II of relay T" relay R .., c-arm, winding 1 of relay R. Contact: 23 , Windings 1 and 11 of relay T ", c-arm, contacts 24, 25, relay V", winding I of relay C, Baaerie, earth. Relay T "opens on contact: 26 switches the circuit for rotary magnet D" upon contact 2o the winding 11 of the relay R. off, closing contact 27 t on the winding of the relay f T :, short and switches the contacts 28 and 29 the speech veins a. and b through.

By setting the location selector PIT to the plugged connection line latch, the current of the drive magnet D and the impulse selector JW is closed as follows: earth, contact 3o, rotary magnet D, contact 31, breaker, battery, earth. If the impulse selector J1V finds the pawl group occupied by the location selector PIT, the test relay P, in the following circuit, will be -Ü-. Earth, battery, windings I and II of relay P., arm 3: 2, contacts 33, 34, arm 35 of the square # valilerPW, contact 36, earth. The relay P, responds, short-circuits its winding II at contact 39 and remains energized via contacts 36, 37, arm 38 and contact 39.

In the first group selector L GIT 'the relays V, and C, are energized. -In addition, the relay Y in the current surge selector JW is switched on as follows: Earth, shaft rest contact 4o, Kontakt4i, b-wire, contact29, b-arm,., Kon-contact 411, winding I of the relay T, clock 42, arm 43, 1 ; Contact 44, relay Y, contact 45, battery, earth. In this circuit, only relay Y responds, but not relay T, because Y has too high a resistance. The relay Y opens the contact 44 and thereby switches the resistor 46 on. Furthermore, the relay 1 is excited at the contact 47 via the sliding contact 48 and the arm 49. The relay J closes the circuit for the rotary device D, via contacts 50 and 51 and also outputs a current impulse to the first group selector L GW as follows: earth, contact 5 11, arm 52, contacts 53, 54, a-wire, contacts 28 , 4oo, winding I of relay A, Batteri.e, earth. Relay A closes the circuit for lifting magnet H at contact 5: 2 as follows: earth, battery, relay V ", lifting magnet H, contacts 5: 2, 53, 54, earth Contact 2.5 kept energized during the series of impulses. Via contact 55, which is closed in the first stroke, winding II of relay C is switched on. The drive magnet D of impulse selector JW short-circuits the impulse relay J at its contact 56, so that it is de-energized. This interrupts the circuit for the rotary magnet D, at contact 5o and for the relay A, at contact 5 11. The relay J responds again in the excitation circuit described above and sends a new current to the first group selector L GW game is repeated until the current surge selector JW reaches its rest position. Then, the relay J is turned off and the Relajis Y via arm 49 and contact 57 short-circuited. now 'will contact 4 5, arm 49, contacts 57, 44, arm 43, contact 42, the relay T, energizes, which switches off the place selector PW by opening the contact 4, switches on the winding II of the relay T by closing the contact 58 and by closing the contact 59 the blocking wire c from the connecting pawl VK, switches through to the first group selector L GW.

In the first group selector L GW, after the end of the series of impulses, relay V. is de-energized and switches on rotary magnet D as follows: earth, battery, rotary magnet D ", contacts 6o, 61, 62, 63, breaker, earth. Finds the first Group selector L GW a free line, the following circuit comes about- earth, winding I of relay P "winding II of relay A, contact 64, c-arm of the first group selector L GW, winding I and II of relay TR", battery, earth . Relays P, and TR, respond. Relay A, cannot respond due to the high resistance of winding I of relay TR. Relay P, interrupts the circuit of rotary magnet D at Kontald 62 and closes via contacts 65 and 66 his own WicklungI short About Contact. 6; 7 is turned on its holding winding II addition, contact 41 was opened while the contacts 68 and 69 are closed, will be appearing on the found free line so that the Sprechaderna b, the relay TR "includes.. at the Contact 691 the following circuit: earth, battery, contact 69 1, relay LR, b-wire of the cord circuit at the B-position, relay HSR, earth. The relay HSR switches on the relay SR via contact 7o which, by opening contact 71 and closing contact 72 via contact 73 of the auxiliary relay HR, switches on the final signal lamp BSL of the B-place, which in this case works as a call lamp. The B-officer queries in a known manner by flipping the speech switch'74 and checks the multiple jack VK, of the desired subscriber h, If the line is free, she inserts the plug VStp, which closes the following circuit: earth, battery, RelaisBr, winding I of the relay SR, 75, 76, winding I of the relay TR "earth. the relay Br responds and closes above Kontakt77 the circuit for a relay Hr and contact 79 the circuit for the winding II of the relay SR2 By the current flow through the low-resistance winding-II of the relay TR, the relay, SR , responds and prevents the response of the relay AB by opening the contact 8o. The relay Hr opens its contact 73 and thereby brings the call lamp BSL of the B-place Another circuit for this lamp is prepared by closing the contact 78. The relay I-Ir also closes the circuit for the call relay Pr at contact 83 , which is energized intermittently via an interrupter and transmits ringing current into the subscriber line via contacts 84 and 85. The following circuit is closed at contact 185. Earth, battery, contacts 185, 86, 87, choke coil Dr, a-wire relay LR, earth. Relay # LRI short-circuits winding I of relay TR at contact 88. As a result, the current through the wire c is amplified in such a way that the first group selector L GW relay A can respond. A, closes its contact 141 and, as a result of the short-circuiting of the high-resistance winding II of relay C, causes relay R to respond. The relay R, closes the contact 189, whereby the current through jack go and contact 9 1 of the connecting plug Vstp is amplified domestic follow short-circuiting of the resistor 92 (lerart that the final lamp SL., Corresponding to the intermittent energization of the relay PR lights up intermittently. at the batch extinction and flashing of this lamp recognizes the official of the A-course, that ringing current is emitted into the line of the desired subscriber. 'logs h demanded Teilnehnier', so the relay will Ar at, which opens the contact 82. in this way, the winding is II of the relay TR is turned off and the current through the winding 1 of the relay SR. weakened such that the effect of this winding of the effect of the differential-connected winding II is the same. the relay SR, allows its armature to fall, on the Contact 8o the circuit prepared at contact 93 for the relay AB , which is only dependent on SR via contacts 94 and 95 circuit sets. The relay AB opens the circuit for the call relay PR at contact 96 and switches through the speech wires in the B-cord circuit at contacts 97 and 98.

If the calling subscriber hangs up the receiver after the call is complete, the relay AR, which switches on the low-resistance winding H of the relay TR on contact 99, parallel to its high-ear winding I, is de-energized. This increases the current through the jack socket ioo and the contact ioi of the interrogation plugAstp in such a way that the tail lamp SL lights up. The called subscriber hangs up his phone down, the relay., IR is., De-energized, closes its Kontakt82 and switches the winding H of the relay TR, one, so that the relay SR responsive. The relay SR., Closes the circuit prepared at 81 'for the relay LR ,. via contact 8i. The winding of the kelaisTR is short-circuited at Kontakt88 and the current in wire e is amplified in such a way that . the relay AI is energized. This closes its contact 141 and thereby causes the relay R ". To respond, which closes the contact 189. As a result, the tail lamp SL., Lights up. whereby the relays T "T, and T, as well as C, are de-energized. Relay C, opens the circuit for relay P at contact 65 , and closes the circuit for tripping magnet AI of the first group selector I. GTV via contacts io2 and 103. This is triggered. By Üffnen of contact 64 also dat relay TR, normally open contact 69 and brings thereby fall for disconnecting the relay HSR. The relay IISR switches off the relay SR at contact 70 , which via contact 71 completes the circuit of the tail lamp BSL prepared at contact 78. The B-officer pulls the connection plug VStp, from the jack VK, of the called subscriber, whereupon all switching devices used are again in the el rest position.

If a self-connecting subscriber s connected to the manual switching center IV wishes to establish the connection with a subscriber in the self-connecting switching center VI, he calls the manual switching center IV in a known manner by picking up his receiver. After the call lamp AL lights up, the officer queries in a known manner and then inserts the connecting plug VStp into the auxiliary latch HK assigned to the line of the subscriber A, associated with the auxiliary latch HK .. By closing the contact iii wiri the rotary magnet D of the first preselector I assigned to the subscriber line. Vff 'switched on as follows: earth, contact iii, line 112, contact 113 of the call relay AR., Contact 144, rotary solenoid A breaker, battery, earth. If the first preselector I. WV finds a free second preselector II. VfV # , the speech line from the interrogation latchAK is switched to the arms of the preselector at the contacts 115 to 118 by energizing the isolating relay T. With the first turning step of the first preselector I. VTT7 the contact i ig is opened, via which both tail lamps SL, and SL, of the cord pair are switched on after the connection is terminated, in a manner to be explained later. The second preselector II. VW is switched on in a known manner. As can be seen from the drawing, the same connection lines can be occupied by the second preselector II. VW , which the officer of the A-Platz via the connection line jack VK, and the preselector I. VW 'and ii. Trul #, can be achieved. However, when a connection line is occupied by a self-connecting part, a surge transformer Ue is switched on. This surge transformer is not switched on when the connection line is occupied by the operator. By occupying the -Cbertragers Ue, the contact 13 1 as well as the resistor 132 and the relay C ″ are switched on via the wire c, which closes its contact 133 and thereby switches the c wire to the first group selector I. G [17] Verhindungsleitungen which are occupied by the employee, the contact 1 3 1 is the relay C open so that the probing arm of the second preselector II. VW does not find a potential at these occupied lines. Am exchanger Ue speaks after switching through the speech wires dasBrückenrelais a in which i in the 'Contact: 2o the trip relay V, turn on, this turns on contact 134 by short-circuiting the relay C, the c-wire by - discharged are from the subscriber's the current pulses for setting the first Gruppenivählers I. GW,.. in this way the relay A is operated via the contacts 121 and 12, 2. The setting of the normal current impulse receivers is then carried out in the known manner.

If the subscriber hangs up his receiver after the conversation, the opening of the contacts 1:23, 124 and 134 triggers the selected voters. By opening the contact 134, the relays C, T, and T are de-energized. Relay C "triggers the set number current surge receiver in the manner already described by closing contact io2 and opening contacts 64 and 65. When relays T, and T .. are de-energized, both preselectors L VW and IL VW are triggered. The first Pre-selector L VW runs back to the rest position and thereby switches on the two tail lamps SL and SL as follows: earth, contacts iig, 125, once via winding II of relay TR, socket, e 126, plug ioi, tail lamp SL, battery, Earth, and the other time via resistor 12.7, socket 1:28, plug gi, lamp SL, battery, earth. The officer then pulls both plugs AStp and VStp out of the jacks AK, and hIK-Bei during the execution of the circuit 2, there is only one interrogation plug AStp, to which a line leading to a first preselector L VW is connected, at the A-places. Subscriber A is called in a known manner ht the relay R on, which causes that the place selector PW runs on the interrogation plug taken into use. Desires z. B. subscriber h, a connection with a subscriber in Office 3, the officer uses the Ta button. By pressing this button, the connection line that is in use is directed, because it determines the number of current surges to be transmitted. The setting of the place selector PW takes place in the manner described and does not need to be explained any more. Likewise, the setting of the first and second selection 1. VW and IL VW. Since the officer only directs the connection line after she has seized and queried, a direction selector is switched on before a current surge can be given. As a result, special devices for switching on the impulse transmitting device after switching on a direction selector are not required. By pressing the button Tu, the DrehnlagnetD, the Stronistoßwählers as switched follows: earth contacts 141, 142, rotary magnet D, contact 143, breaker 'battery earth. If the current surge selector finds the pressed button Ta., The relay P is excited as follows: Earth, contacts 144, 145, arm 146, relayP: "Battery, earth. The relay P closes the contact 147 and is thus held independently of the Ta button, via arm 148 and contact 149, earth, it also opens contact 143 and closes 150, thereby energizing the impulse relay 1 as follows: earth, battery, contact 151, arm 152, contact 153, relay 1, contacts 142, 41, earth. The relay J gives a current impulse to the direction selector (I. GW) at contact: 250 via arm: 251. It also switches on the rotary magnet D via contact 153. The impulse selector takes one step. The rotary magnet D short-circuits relay J at contact 154, so that it is de-energized. However, it responds immediately to the circuit just described and the game is repeated until the impulse selector is in the rest position In the rest position, the relay T is excited: earth e, battery, contact 1.51, arms 152, 156, contact 157, winding I of relay T "contact 158, arm 159, contacts 16o, 144 earth. The relay T, opens the contact 161 and closes 162. This short-circuits the relay R and the winding II of the relay T i is switched on. The relay R releases its A7n1, z # er and frees the location selector, the key set and the impulse selector so that they can be used in a new connection. The number surge receiver is set in a known manner. The final character is given in this embodiment via a special wire c. Relay A on the first group selector L GW responds again to increased current and, by closing contact 163, switches on the tail lamp SL Relays T., and U) open the contact 164 off ge15st averden. Your at a manual exchange, telle init E-in cord operation self connection part additional s. is a Ta: #te HT to- the subscriber calls s, the hand- switching point in known many to and Oh erine 'Gerhinden with the participant uines self-regulating or a group 7on self-contained parts bins nüttigungsstelle]], so 1 '.. j, Iieiit the -, iiiiiii after your query press the IIT key. This is about contact qi and the Resistance T72 the isolating relay TR, energized ,held. Vlier K # -lfltal # t 173 v, -ird the turning Magnet of the first VormWers L 171 ' . #, #, switched. The setting of the MAN , egane souvie the occupancy of the also from the Oeaintiii attainable alupfängers and its position in a bad, .. amiter way. -> \ # 2ch triggering the Voters wirl the Aiirtifla-iiii-, cI.L., As Schlt1111- UM mie fjC settled in. hr (le, head contact 174. Wider #, tand i7 #, contact 171 pump AL, battery. Earth. As a result of the % mrgeschaketei i; 7_ # burns the dark and gives thereby the officer clearly indicated by the -Anruizeichen , inferscheidbaree; Opposite to the first Atisiüliriiiig ##, fnriii has this scarf called the fact that a cord , dry circle -, viibrend the N-connection of two Sellest connection subscriber not bevattzt -zu immediately after pressing the TasteHT can be used to query the Gpsel - IStp cler removed vverden. In Fig.2a it is shown, (-lass üher the, head contact 174th of the first -pre-selection- and the WillerStand 175 Uiiterl) recheri; 7 (-) to the call plan can be switched through which the call lamp flacl'.zerl #. This flicker sign Then client of the Beanitin as a final sign.

Claims (1)

i. Circuit arrangement for remote genes with different > pre-liciiiiizig triehenen - # - eriiiittluiigszteileii, thereby marked that the lines of at a manual switching point güs Sellstalisch.lußteilnehnier '#Mialteinrichtungen (Klinke HK., Or Key HT) z, #, igeordliet are the ones with a Call by switching measures of the amtiii be influenced and your rvienden participants the achievement of a # -binding via controlled by him , eli # sttäti #, c- bodies criii; igliciie- # i. G 2. Circuit arrangement according to #, pruch i, marked the hard one jack # I1K) -wIr Tas- # e (I! 7-j z- "ge, # jr, 1- ne in, about He He In Sellwenselluß- like i GIT - # -connecting Circuit arrangement according to claim x characterized in that that: turning on the through Eiiiiülirting the (1, Stp) one used when querying Pair of cords into the Hilis pawl UIK) fulfilled. -1-. ## circuit arrangement according to claim i characterized in that Each shoe lamp (SL, and SL #) of the used scline pairs in such a way nift switching vinrichltungen the ##, - counter the first I. l'iT- j - # erbunden sint that when the% turn is canceled from the calling a cloppelseitiges Schlt-, 13züichc-, i given 5. circuitry ii2-, eli _ # n- #, pruch 2, characterized IC at IT-Iawlvervlittliiiig ##, set with a : #chnurhetrieb (query #, psel) the request ruDampe ths Sdbsonsdiußeibdimer #, Closing sign client 6. Circuit arrangement according to saying # "# characterized by eiz7tß the call plan (AL ..) through the hills ta .- # te UIT) is switched on in such a way that oh termination ( he they ii, - -1, - #, - erl) ii-irliiiig a Clearly distinguish call signs there is a clear final sign. 7. Shaft anorf-ing, after arrival saying (-), characterized by the call plan via a resistor is switched on and as a # final character burns dark. ,. Circuit disorder according to S. Claim 6 , characterized in that the - "iiirtiflarnpe over a Uii, er; ret2her is switched on and as a final sign gives a flickering signal. G. Circuit., Arrangement according to arrangement Claim 4 and 5, characterized 'IIP) clie t-lippel, side final signaling or (Me Activation of the call line as a final sign only after triggering; - # sting des first \ or # valiinrgaiis takes place.