DE916307C - Circuit arrangement for zone counting devices - Google Patents

Description

Circuit arrangement for zone counting devices The invention relates to a circuit arrangement for the zone counting devices in telecommunications, in particular Telephone systems in which the amount of call charges not only depends on the zone and Call duration, but also depends on the fee class of the calling subscriber. Different charge classes are for example in the self-dialing remote service to this extent differentiated than with participants who own their own connection point make a long-distance call, the call charges are based on a different charge unit than those who have the same conversation from a pay phone carry out.

Is z. B. the charge unit for the owner of his own connection point -, zo DM, it is for the user of a payphone -, z5 DM, corresponding to a charge ratio of 2: 3: Since the call charge by adding up a number corresponding to the zone and the duration of the call Fee units is determined .; if counting during the call, the different charges are made in such a way that, in accordance with the above-mentioned ratio of 2: 3, the zone counting device for a call in the same zone, for example, every 45 seconds; if the call is from a private telephone station, but every 30 seconds if the call is made from a payphone, a counting pulse is sent out. The counting bursts are sent on the basis of the counting of pulses from a central clock, the time interval between which depends on the zone, in this way; that the counting device sends out a counting pulse, for example after every nine or after every six pulses of the clock generator, again in accordance with the ratio of 2: 3. (The time interval between the pulses of the clock must then be s seconds for the above example.) It is known to work with a rigid fee ratio and, with the same time cycle, which determines the fee load according to zone and call duration, the counting device depending on the fee class of the calling subscriber to switch to counting burst transmission according to a number of counting steps corresponding to the fee class. For reasons of traffic engineering and tariff policy, however, it is desirable to make the fee ratio elastic, in other words, the value of the fee ratio should depend on the zone and not be the same for all zones: it should also only be by changing the zone and timing wiring and without Intervention in the zone counting device can be adapted to the changing traffic conditions.

Zone counting devices are known in which the connection of the time cycle corresponding to the zone for the periodic counting during the call is conveyed by a rotary selector, whose bank contacts correspond to the various Zones are wired to the outputs of the zone identification selector. After hiring the zone identification selector runs this rotary selector based on the selected code number on and adjusts to the zone (exit) corresponding to the key figure. Simultaneously he controls the analog setting of a second rotary selector via its switch arm the time cycle of the central clock generator assigned to the zone to the counting device the zone counter is switched on.

On the basis of known circuit arrangements, one could use a zone-dependent Now achieve the fee ratio by using the outputs of the zone identification selector according to the different fee classes with the contacts of several Contact banks of the rotary selector wired at the same time and by switching means of the zone counter In each case only the contact arm of the voter can be switched on, which is the one called for Contact bank assigned to the fee class is swept over. The counting device will not designed to be switchable, so their structure is simplified; the counting burst transmission occurs after an unchangeable number of counting steps. Should for -one certain zone the fee ratio is 3: 4, this comes about because that for example either a r5-second or a 20-second cycle to the counting device is switched on.

On the other hand, one could of course also use the same arrangement for the Meet the voters serving to connect the clocks, d. H. the individual timing '' contact the contacts in accordance with the fee classes to be distinguished multiple contact! Wire the banks of the timing selector at the same time and each time the Let the selector switch arm switch on the one assigned to the required charge class 4 brushed over contact bank. These arrangements are uneconomical because of the manufacturing cost of a rotary selector and its power consumption with the number of its contact banks increase.

According to the invention, the outputs of the zone identification selectors depending on the fee classes to be distinguished, each with several contacts a single contact bank of the rotary selector wired at the same time, and switching means the zone counter cause the rotary selector to only adjust to outputs that correspond to the fee class of the calling subscriber. Instead of The number of switching arms and contact banks is therefore in accordance with the circuit arrangement of the invention, the number of outputs of a contact bank corresponding to the number of Fee classes increased. The power consumption of the selector remains unchanged Costs for creating additional outputs from the contact banks that are already in place are only a fraction of the cost of additional contact banks and electoral arms would be created.

Fig. Z shows a zone counting device as an embodiment, which consists of a counting device ZE and a zoning device ZV. The zoning device, is sent to the counting device via a mixer (not shown) as required turned on. The zoning device is with a pulse renewal device Mistake. Fig. 2 serves to illustrate the principle of operation of the pulse renewal device. These are only the details that are essential for understanding the concept of the invention shown.

When the zoning device ZV is occupied, a test relay P, not shown, responds in the counting device ZE, which with its contacts rp and 2p switches through the incoming speech wires x and 2 to the zoning device. The dialing pulses coming over the voice line excite the surge receiving relay A. Via contact 28 a, the storage magnet EM of the pulse renewal device is energized in pulses , which forwards the dialing pulses corresponding to the code number with its contact 24em to the zone identification dialers Dg and HD. The setting of the rotary selector Dg corresponds to the first digit, the lifting step set using the lifting magnet H of the lifting rotary selector HD corresponds to the second and the rotary step set using the rotary magnet D of this selector is the third digit of the selected code. The selector magnets Dg, H and D are connected to the contact 24em in the required order via the changeover contacts 26e and 27f of relays (not shown).

The storage magnet EM switches on the first response to its contact 42 on the relay V, which gives itself by short-circuiting its winding I via contact 35 v such a dropout delay that it remains permanently in the working position during a series of dialing pulses. Via the contacts 39v and 41 a, the marker magnet MM of the pulse renewal device is switched on at the first drop of the storage magnet EM, which prepares a circuit for the relay M via its contact 7mm, after contact 9v is closed and thereby the connection of the surge receiving relay A with the speech wire i is maintained Has. After the end of the first series of dialing pulses, relay V drops out. The marker magnet MM, which was held by its own contact 4omm and the contact 39v, falls off. Its fall is delayed by the post-excitation via the resistor capacitor element RC i. When the marking magnet falls off, the end of the series of dialing pulses is marked in the form of an adjustment of a mechanical storage element in the pulse renewal device.

When the storage magnet EM responds for the first time, the zero position contact 31 of the pulse renewal device has been closed. After the relay V has dropped out, a circuit for the winding I of the relay P is established via its contact 34v; the relay is triggered via the contact 36ig of the central pulse generator JG and is linked via its contact 40, the relay V i also responding. Relay Y responds via contact 44v I. The contact 37ig closes in the rhythm of the dialing impulses to be sent; the contact 36ig opens accordingly. The pick-up magnet AM of the pulse renewal device is excited via contact 38P, which forwards the temporarily stored dialing pulses with its contact q7am via the outgoing speech vein 3. During this time, this wire is released from the rear connection path at contact 48v I.

If the number of dialing pulses marked by the marking magnet in the pulse renewal device has been transmitted, contact 3oPk closes. The winding II of the relay P is excited in the opposite direction to its winding I via the contacts 36ig, 33y and 29p. The relay returns its armature to the rest position and switches off its windings by opening its contacts 29p and 43p. The pick-up magnet Am is switched off at contact 38P. Relay ' V i drops out. Relay Y drops out with a delay due to the resistance capacitor element RC 2 which is brought into effect at its contact 46 y. Only after this relay has dropped out can the next series of dialing pulses be transmitted by switching on relay P again via contact 32y. The release time of relay Y determines the dialing pauses between the transmitted dialing pulse series. Whilst a series of dialing pulses is being sent out, the next series is stored independently of this. The transmission is then made to the storage as soon as the relay V drops out at the end of the stored series. When all stored pulses have been sent out, contact 31s0 opens again.

When the setting of the zone identification selector has been completed, winding II of relay X is switched on via contact 16 v and head contact 15 k of lever-operated rotary selector HD. The tap selector Da is switched on at contact 25 x. In the first step it interrupts the circuit for the winding II of the relay X on the switching arm da II. At the same time it opens its zero position contact 2idao and thereby prevents the zone identification selector from being influenced by the further dialing pulses. On contact 22 dao a circuit for the coil I of the relay X is prepared, and after the drop of the selector magnets, Da due Offnens of contact 25 x at the contact 23 is closed as: By interaction of the magnets, Da and the relay X (winding I), the Pick-up selector progressed step by step.

The outputs of the rotary selector Dg are wired according to the zoning with the switching arms a, b and c of the lever-operated rotary selector HD. The totality of the bank contacts of this selector is indicated in the figure by a dashed square. The outputs of the rotary selector, which correspond to the various key figures, are wired zone by zone with the bank contacts of the pickup selector Da that is swept over by the switching arm daII. It is believed that five zones are to be distinguished; the positions i to 5 of the alligator dial correspond to them. Via the switching arms of the zone identification selector and the tap selector, as well as the zone wiring, a circuit is formed for each code number in which the winding III of the relay X is excited in the opposite direction to its winding I. As a result of the counter-excitation, the relay moves its contacts into the rest position and stops the pick-off selector Da by opening the contact 25 times after it has adjusted to the zone corresponding to the number of cores selected.

The timing selector Dz in the counting device is activated via the contact 12 x ZE advanced step-by-step with the tap selector. Its positions z to 5 correspond to those of the tap selector and thus again to the five different zones. At its outputs i to 5 are, as indicated, .Kontakte of the central clock generator ZG connected, which close at regular intervals corresponding to the zone. The counting device ZJ advanced; which consists, for example, of a selector relay that after a certain number of counting steps each closes a circuit in which temporarily Negative potential is applied to the incoming voice wire 2, which is a counting impulse receiving relay influenced in an upstream connecting device. It should be added that after the connection has been established the contacts ip and 2p are in the rest position return and close contacts 3u and 4.u. The connection path is then switched through directly via the counter.

If the participant does not have a possible connection path, If the so-called non-zoned code is selected, no Circuit for the drop winding III of the relay X closed. The pickup selector Da turns into position 6; which corresponds to the choice of a non-zoned key figure and in which a circuit running over the contact 17m for the discarding winding is closed. In this position, the ejection relay is activated via the switching arms daI d dzII S switched on, the assignment of the subsequent connection devices through The interruption of the occupancy wire 5 at contact 5s and that via contact 6s transmit the busy signal Bes inductively via the throttle Dr to the calling subscriber leaves.

If the long-distance call is set up from a pay phone, so The following switching processes take place in the zoning device: The coin-operated telephony gives as an indicator that a special fee class is present, during the election impulse the so-called mint mark, for example by sending one on each series of voting impulses following post-pulse. These post-pulses are transmitted by relay M (winding I) of the zoning device ZT ' recorded. The relay is activated after the relay V has dropped out and during the drop-out time of the marking magnet VIT via the contacts iov and 7mm after receiving each dialing pulse series for a certain period of time, during which a special fee class identifying Postpulse can arrive, switched to the incoming speech wire i. Relay M binds itself through its contact igm and its winding III.

After the zone identification selector has been set, the pickup selector Da starts up. He goes crazy up to the second group of bank contacts 8 to 12 assigned to the special fee class. The shutdown of the selector within the first group of bank contacts i to 5 is prevented by short-circuiting winding III of relay X via contact 13m and the zero position contact i4dao, which closes during the first step of the selector. The shutdown in position 6 corresponding to the selection of a non-zoned code number is prevented by the open contact i7 m. Due to the open contact 2oin, the circuit for the ejector relay S is interrupted at the same time in this position. In position 7, the winding II of the relay 31 is excited in the opposite direction to its holding winding III via the contact i8 m. The relay then returns its contacts to the rest position. In the manner already described, the voter now stops according to the zone on one of the outputs 8 to 12, which are also connected to the zone wiring.

The zone-dependent. Charge ratio results as follows: The bank contacts z to 5 and 8 to 12 of the tap selector Da can be wired differently with the outputs of the zone identification selector, while the corresponding bank contacts of the clock selector Dz are wired in parallel. The difference between a normal call and a call from a payphone results from the fact that the same code number corresponds to two different zone values and thus time cycles for counting. The bank contacts of the tap selector Da can also be wired in parallel and the outputs i to 5 and 8 to ia of the clock selector Dz can be connected to different clocks, so that the same code corresponds to a fixed zone value with two different clocks. Finally, the two types of circuit can be combined as required. If a non-zoned code number is selected, discarding takes place in the manner already described after the tap selector Da has turned into position 13 .

With reference to FIG. 2, the working principle of the pulse renewal device is intended here be explained. The is used to temporarily store the recorded dialing pulses Storage disk i, which carries a plurality of storage members 2. These memory members are resiliently mounted in the disc or connected to it in some other way and can be brought into the storage layer 2 'by a device. Since the Pulse renewal device works with zero position, this is in the figure Position indicating reference line o is drawn. In the starting position of the Device (Fig. 2 a) is the beginning of the series of dialing pulses to be stored marking storage element 2'o in the storage position. The Einspeichermagn.et EM transports the memory disk i according to the number of dialing pulses gradually in the direction of the arrow. The contact Pk and the actuating cam 3 of the zero position contact so make this movement with (Fig. 2b). The cam gives in the first storage step 3 the actuating spring of the contact so free; the contact closes.

The marking magnet MM is switched on during storage. At the end of the series of dialing pulses it is switched off and moves the storage element then lying on the reference line o in the direction of the arrow min into the storage position 2 '. Fig. 2 shows that the number 6 has been saved (between the links 2'o and 2 '). The contact Pk and cam 3 are transported back step by step in the direction of the arrow am by the pickup magnet AM . During the first tapping step, the actuating spring of the contact pk slides off the storage element 2'o. The contact opens until it is closed again after six steps by the storage element 2 '. The switching operations controlled by this contact have already been described in connection with FIG. If all the stored series of impulses have been tapped, the cam 3 has returned to the zero position and opens the contact in this way. The marking magnet MM falls off and brings the storage element then lying on the reference line o into the storage position 2'a. After the first series of dialing pulses have been stored, additional dialing pulses are stored and tapped off at the same time.

Claims (7)

PATENT CLAIMS: i. Circuit arrangement for zone counting devices, in which the connection of the time cycle corresponding to the zone for the periodic counting during the call is mediated by a rotary selector, the bank contacts of which are wired according to the different zones with the outputs of the zone identification selector and the zone corresponding to the selected code number (Output) sets, in telecommunications, in particular telephone systems, in which the amount of the call charges depends not only on the zone and duration of the call, but also on the charge class of the calling subscriber, characterized in that the outputs of the zone identification selector (Dg, HD) according to the The fee classes to be distinguished each with several contacts (i to 5, 8 to 12) of a single contact bank of the rotary selector (Da) are wired at the same time and that switching means (M) of the zone counting device ensure that the rotary selector can only adjust to outputs that the Fee correspond to the hearing class of the calling subscriber (e.g. B. Class i: outputs i to 5, class 2: outputs 8 to i2). 2. Circuit arrangement according to Claim i, characterized in that the outputs according to Fee classes are arranged in groups (e.g. group i = fee class i : Outputs i to 5, group 2 = charge class 2: outputs 8 to 12). 3. Circuit arrangement according to claims i and 2, characterized in that between the individual groups outputs, the shutdown of the selector (Da) when choosing a non-zoned code number. serve (6, 13) and those (7) that are used to control the switching means (M) for the identification of the fee class are located. q .. Circuit arrangement according to Claims 1 and 2, characterized in that the switching means (M) for the identification of the charge class stop the dialer ( Da) and drop the connection in the dialer positions (6) which correspond to the selection of a code number that is not zoned, prevent (i7m, 2om) as long as the voter is not in a position corresponding to the present fee class. 5. Circuit arrangement according to claims i, 3 and q., Characterized in that the switching means (M) switched on by the charge class characterizing, preferably transmitted via the connection path switching criteria and via the outputs (7) of the selector (Da ) are switched off as soon as it reaches the group corresponding to the charge class. 6. Circuit arrangement according to the preceding claims, characterized by a relay (M) which is switched on (MI) by a switching criterion that is transmitted over the connection path and characterizes the charge class, binds locally (MIII), the shutdown of the voter on outputs not corresponding to the charge class (e.g. B. i to 5) so long prevented (for example by short-circuiting the drop winding III of the switching relay X via contact 13m), as well as the shutdown on outputs (6) that correspond to the selection of a non-zoned code, and in this case the dropping of the Connection (by the intercept relay S) prevented (17m) until the voter (Da) reaches the outputs corresponding to the charge class (e.g. 8 to 12), and this is switched off before these outputs are reached via a special selector output (7) will, e.g. B. by counter-excitation via its winding II. 7. Circuit arrangement for zone counting devices with pulse renewal devices, which are provided with switching means, for example so-called marking magnets, which mark the end of each series of dialing pulses by adjusting mechanical storage elements and which work with a delay, in telecommunications, in particular telephone systems, in which a special fee class is generated by the subscriber sending out a post-pulse following each dialing pulse series is characterized according to claim 6, characterized in that the relay (MI) after receiving each dialing pulse series through a contact (7mm) of the marker magnet (MM) of the pulse renewal device for a certain period of time, in which a special charge class Postpulse can arrive, is switched to the connection path.