DE1023495B - Payment device for coins of various sizes and values for coin telephones - Google Patents

Description

GERMAN

The invention relates to cashing devices for coins of various sizes and values Pay phone connected to an exchange via a two-wire connection line are from. which sends a charging signal to the payphone at the beginning of each call period for the collection of a coin is transferred and in which relay in the exchange are provided, which are operated when depositing a coin and the value of the Register Coin to set the duration of each talk period according to the value of the coin.

The known multi-coin cash register devices are complex and expensive and require considerable relay overhead in the central office for giving and receiving signals. The advancing automation requires that cashiers not only for local calls must be available wherever the audience uses a telephone, e.g. B. in shops, Cafes, boarding houses or the like.

It is an object of the invention to provide a simple, cheap, easy to use and reliable one Cashier for this purpose too. to develop. It is assumed that counting pulses are in office from. a machine and that each counting pulse corresponds to a certain amount. For For calls with high charges, the number of counting pulses in each call period becomes large, so that the There is a desire to be able to pay for several counts with one coin. To avoid repayment, entitles each coin to a certain number of counting impulses and the length of time over which one can speak for the amount of a counting pulse changes with the tariff. You put a coin in the Coin channel opening. At the beginning of the first conversation period, the coin is collected, whereupon you put a new coin in the opening. If you want to speak undisturbed for a long time, you pay with a big coin. If only a brief conversation is intended, a small coin is used paid. The coin in the coin channel opening can be taken back if it is not collected will.

Payment devices for payphones without arrangements for repayments in which one Coin inserted into the coin channel opening and cashed in on response are already known. at however, these payphones do not send a signal to the central office when a coin is collected so that there is no correspondence between counts and coins and no changes Talk time can be achieved after the coin. So with these facilities none

Payment device for coins

different size and value

for payphones

Applicant:

Telefonaktiebolaget LM Ericsson,
Stockholm

Representative: Dr.-Ing. H. Ruschke, Berlin-Friedenau,

and Dipl.-Ing. K. Grentzenberg, Munich 27,
Pienzenauerstr. 2, patent attorneys

Claimed priority:
Sweden 17 November 1954

Harald Valdemar Alexandersson, Lidingö (Sweden), has been named as the inventor

free switching can be carried out without a coin, as it is e.g. B. in the production of. links with the police, fire brigade, etc. is appropriate. Therefore, it is desirable that connections be switched can be paid, which are only paid when you answer. But if no coin is paid, should also no count can be registered in the office. This is achieved in that in the circuit for the Cashier solenoids of the payphone arranged electric valves in such a passage direction are that this circuit only comes about and the cashier magnet as well as connected with it the coin pawls or coin lock lever affects both when reporting the called subscriber as well as depending on other incoming charging signals during the existence of a connection the connection was interrupted by a control relay and instead a special one polarized power source is applied to the speech wires, and that when one of the Coin size corresponding slideway contact, a circuit is closed over the wires of the connection line in which relay in the exchange in a corresponding to the value of the coin Combination are operated and the registration of the coin value during the following Initiate the conversation period and the re-establishment of the original connection.

70S 877/53

The invention will now be described in more detail with reference to the drawing.

Fig. 1 shows a cashier device for two types of coins and a coin slide for each type of coin ¹ as well as the necessary devices in a self-connecting telephone exchange;

Fig. 2 shows a payment device for three types of coins and one common to all types of coins serving coin slide.

The devices in the telephone exchange correspond to ίο speak of FIG. 1.

In Fig. 1, T is a telephone set to which an additional cashier device or coin box, which consists of two coin slides EA and BB and has two electric valves consisting of rectifiers! 5 GA and GB , is associated. In each coin slide there is an upper coin pawl or coin lock lever PA 1 or PB 1 and a lower coin pawl or coin lock lever PA2 or FBZ, which are controlled by a deposit or insert magnet M of the two. Coin slides and all coin lock levers serves in common, the coin lock levers being designed so that the lower lock levers block when the upper ones are unlocked. On each of the lower coin blocking levers there is a coin slide contact ka or kb for closing and interrupting electrical circuits. The telephone set T is connected via a line a / b to a self-connecting telephone exchange which contains a number of line or call seekers 6 "each having a relay set Rl to RIO . The subscriber line is provided with a line or call relay LR and an isolating relay BR and provided with a call counter SM . A selector Z for registering the charge of a call and a selector V for registering the counting pulses belong to the relay set of the line searcher 5 ". A number of call seekers S includes a common breaker TDl-TD 2, which sends out pulses at different time intervals for different charges, as well as a power source BAT to the rectifiers GA and Gi? to make live.

As can be seen from the figure, a negative potential is applied to the line a / b via the call relay LR , so that the rectifiers GA and GB normally do not pass any current to the magnet M. When a call is made from the set T , a coin is first inserted into one of the coin slides EA or EB , and then the handset is lifted. As a result, the call relay LR is actuated and closes by means of the contact 120 circuits for putting a call seeker S into operation, which connects the line a / b to a relay set R1 to R 10 in a known manner, whereupon the relay R 7 attracts its armature. The circuits of the dialing process have no meaning for the operation of the cash register and have therefore been omitted. The isolating relay BR is actuated during the interconnection in the following circuit: from plus via contact 73, the contact arm Sc in the caller S and the winding of the relay BR to minus. Contacts 111-112 are actuated. The call relay LR drops out and the stimulus circuit for the call is disconnected. The relay R3 picks up in the following circuit: From earth via the upper winding of the relay i? 3, the contacts 61 and 71, the contact arm Sa, the α-branch of the coin slide contact ka, the telephone set T, the coin slide contact kb, the 5th -Branch, the contact arm Sb, the contacts 72 and 63 and the lower winding of the relay R 3 to minus. Contacts 31-32 are actuated. The delayed dropping relay Rl is then held via contact 32.

The calling person gives impulse series by means of the dial of the telephone set T. The impulses are transmitted from the relay i? 3 to a circuit via the contact 31, whereby a connection is established in a known manner via dialers GV and LV to a called set Tn . This switching process is also irrelevant to the invention, so that the associated circuits have been omitted from the drawing.

If the called party does not answer, the handset is hung up at set T and the calling person can get their coin back. When the called subscriber Tn answers, a circuit for the relay Rl is closed, which attracts its armature. Contact 11 is actuated. The relay R 6 picks up in the following circuit: λ ^Γ οη plus via contacts 21, 11 and 91 and the winding of relay i? 6 to minus. The contacts 61 to 67 are actuated. Relay R6 is then held actuated via contacts 74, 52, 42 and 66. The relay RS is excited via the contact 67 and attracts its armature. Contacts 81 to 85 are actuated. The deposit magnet M in the cashier device is attracted in the following circuits: From earth via the battery. BAT, the contact 81, the upper windings of the relays Ri and R 5, the contacts 62, 64 and 71, 72, the contact arms Sa and Sb, the line alb, the rectifier GA. or Gi? and the windings M to earth. The coin lock levers PA 1 and PB1 are unlocked and the lock levers PA2 and PB 2 block. If no coin falls into one of the coin insertion lanes EA-EB , no relay i? 4-i? 5 attracted in this circuit, so that the relay R 7 drops out after a short period of time and the connection with the apparatus Tn is interrupted. When a coin lies on one of the upper coin blocking levers, it falls into the coin slide and reaches the lower blocking lever, where it actuates the corresponding coin slide contact ka or kb . The connection to the telephone set T is interrupted by the actuated coin slide contact, and at least one of the rectifiers GA or GB and the upper winding of the magnet Jl / are short-circuited. At least one of the relays i? 4-i? 5 picks up its armature, and the contacts 41 to 47 or 51 to 56 are actuated. The relay i? 2 picks up in a circuit via the contact 94 and one of the contacts 43, 53. Contacts 21 to 25 are actuated. The relay i? 6 drops its armature, and a connection is established between the apparatuses T and Tn via the capacitors Cl-C 2 . The relay i? 3 is actuated again. The armature of relay i? 8 drops out. The relay i? 4 or i? 5, which picks up, is kept actuated via the contacts 74, 65, 41 or 51 and the lower winding of the corresponding relay. The relay i? 2 is kept attracted in a circuit via the contacts 76 and 23.

After a coin has been deposited, at least one counting pulse must be registered on the call counter SM of the cashier device. However, the coin may be valid for entitlement for a number of conversation periods and if the conversation is interrupted before this total period there will be no refund. The billing for business

Speech from the cash register is made in accordance with the conversation counter SM, and each step by which the conversation counter SM advances corresponds to a unit amount which need not correspond to the value of one of the coins A and B for which the coin slides EA and EB are designed. The payment device can thus be subscribed to like a normal telephone set, the subscriber emptying his coin container himself, but paying according to the record of the call counter SM. In this way the subscriber can achieve some profit or compensation for the subscriber fee.

For the call counting , as mentioned above, a selector Z is available, which belongs to the relay set Rl to RIO in the telephone exchange. The selector Z is set simultaneously with the selectors GV and LV depending on the pulse series from the contact 31, and its setting indicates the charge for the call. A breaker TD 1-TD 2, which corresponds to this charge, is connected to the connection, and a pulse from the breaker corresponds to the unit amount. The time between pulses changes with the charge. The interrupters TD1-ΤΌ2 rotate at a regular speed and are independent of the times at which the conversation started. So that the first time segment is not too short, the time measurement does not begin until a pulse has been received, whereby the relay R9 is made to respond in the following circuit: From plus via the interrupter TD1 or TD 2, the selector Z, the contact 47 or 56, the contact 24 and the lower winding of the relay i? 9 to minus. Contacts 91 to 95 are operated. The relay R 9 is then kept attracted in a circuit via its upper winding and the contacts 95 and 76. The armature of the relay B2 drops out, but in a delayed manner, so that the pulse which actuates the relay R 9 is terminated when the contact 25 is closed. All subsequent pulses from the interrupter TD 1-TD 2 then actuate, on the one hand, the call counter SM in a circuit via the contact 77 and the contact arm Sd and, on the other hand, the stepping magnet VM of the selector V in a circuit via the contact 85.

A relay RIO is provided so that at least one counting pulse is registered on the call counter SM after each deposit of coins. If the conversation is interrupted before another pulse has actuated the selector V , the conversation counter is actuated during accounting after the relay R7 has dropped out. During the release time of each relay R2 and R9, which release with a delay, the following circuit is closed: From plus via contacts 22 and 93, contacts 103 and 75, contact arm Sd and the winding of the call counter SM to minus. If, on the other hand, a pulse from the interrupter TD 1 -TD 2 activates the call counter SM , the relay R 10 picks up at the same time in the following circuit: From plus via the interrupter TD 1-TD 2, the selector Z, one of the contacts 47, 56 , the contacts 25, 85 and 101, the winding of the relay 2? 10 after minus. The contacts 101 to 103 are operated. Then the relay 2? 10 kept attracted via contacts 102 and 93 or 22 until the connection is interrupted.

After the called subscriber station Tn has answered and a first pulse has been recorded by the interrupter TD 1-TD 2 by pulling up the relay R 9 and releasing the relay R2 , each pulse is recorded on the call counter SM and in the selector V or saved. When the selector V has left its initial position, the contact vl is closed. The coin 23, which is intended for the Münzgleitbahn EB , has in Fig. 1 smaller size and smaller value than the Münzet. If only one coin B has been deposited, only relay R 5 is actuated during the call. If the selector V has, for example, incremented by two steps, ie after two counts on the conversation counter SM, the following circuit is closed: From plus via contacts 54 and 45, the contact arm of the selector V, contacts 82 and 92 and the winding of relay R6 to minus. The contacts 61 to 67 are actuated. The relay R 4 or R 5, which is picked up, in this case the relay RS, lets its armature drop out during the pick-up time of the relay R 8. When the relay R 8 is actuated, the deposit magnet M is attracted again. If the subscriber wishes to continue the conversation, he must during the previous week period in the coin slot of a Münzgleitbahnen EA-EB for a new coin. B. a coin A, insert. The coin A is deposited and the relay i? 4 picks up. The contacts 41 to 47 are actuated. The relay R 6 drops out and the relay Ri is kept picked up during the following conversation period. The relay R 8 remains attracted in a circuit via the contacts vl and 83 and the lower winding of the relay. The step switching magnet VM switches the selector V to its initial position due to its circuit through the contact and the contact breaker vl ν 2, which is actuated by the magnet VM. When the selector V reaches its initial position, the relay R8 drops out, whereupon the selector is advanced by one step for each pulse from the interrupter TD 1-TD 2. The selector V must cover a greater number of steps than in the previous process before the relay R6 picks up again because a larger coin has been paid for. In the figure it is assumed that the coin A is entitled to a conversation time which is twice as long as the conversation time for the coin B. After the selector V has switched four steps forward, the following circuit is completed: From plus via the contacts 55 and 46, the contact arm of the selector V, the contacts 82 and 92 and the winding of the relay R6 to minus. The deposit process is repeated if no coin is deposited. If this does not happen, the connection will be interrupted.

Of course, the calling person can also insert a coin into each coin slide EA and EB so that both coins are deposited and both relays i? 4 and RS are actuated. In this case, the calling person is entitled to a conversation time the length of which corresponds to the sum of the two coins A and B. The selector V must now switch in the example shown in the figure forward by six steps, whereby the following circuit is closed: From plus via the contacts 54 and 44, the contact arm of the selector V, the contacts 82 and 92 and the winding of the relay R 6 after minus. In the embodiment shown in Fig. 1, the disadvantage is that the coin is lost when a coin B is inserted into the coin slide EA.

Therefore, FIG. 2 shows another embodiment with a common coin slide for all coins. It is achieved in this way that three coins A, B and C can be used. In the Münzgleitbahn E there is an upper coin locking lever Pl and a lower coin locking lever P 2, which are actuated by the deposit or insertion magnet M. The lower coin slide lock lever PZ is designed as an armature for the magnet M and actuates a set of springs containing two separating contacts ml and w2, which are used to interrupt the telephone set T. In addition, there are two electrical valves GA and GB, which are designed as glow discharge tubes, as well as three coin slide contacts ka, kl · and kc , which are each combined with a coin stop AS, BS and CS . The upper coin lock lever P 1 is unlocked by means of an arm h attached to the armature PI at the same time as the lower coin lock lever interrupts the passage to the coin container L shown in the figure below.

When the battery BAT in FIG. 1 is connected to the line all , the glow discharge tubes GA-GB are ignited. The magnet M absorbs current through its two windings and attracts its armature P 2 . The coin lock lever P1 is unlocked and a coin A, B or C falls through the coin slide against the coin lock lever P 2 and one of the stops AS, BS or CS depending on the size of the coin. The slide contact corresponding to the coin stop is actuated, whereby one, the other or both glow discharge tubes GA-GB are short-circuited. Thus the current increases in one, in the other or in both cores of the line, and one, the other or both relays Pv4-i? 5 in FIG. 1 attract their armatures. When the locking lever P2 blocks, the contacts ml and »2 open the speech wires, whereby the apparatus T is switched off and the speech wires α and l · are separated from one another, so that two different signal circuits are obtained.

If the cash register shown in Fig. 2 is only used for two coins A and B , the contact 44 of the relay R 4 in Fig. 2 is suitably connected directly to the winding of the relay R6 , as in the figure by a dashed line is shown. In this way, the subscribers cannot fake the payment of a coin by grounding a point on the telephone set T. If earth is applied after the magnet M has attracted, the apparatus T is disconnected and the earth has no effect. If earth is applied before magnet M is actuated, the two relays R4-R5 are attracted and the connection is broken by relay R6, which is held actuated until the armature of relay R7 drops out.

In the above description and in the drawing, two electric valves GA ' and GB are provided for reasons of symmetry. In principle, more than one valve is not required in any case, since one circuit via a voice wire is sufficient to actuate the backing magnet M. The combination signals from the coin slide contacts ka, kb, kc are independent of the electric valves GA and GB. In Fig. 1 as well as in Fig. 2, for. B. the valve GB can be omitted.

Claims (1)

PATENT CLAIM: Payment device for coins of various sizes and values for coin-operated telephones, which are connected to an exchange via a two-wire connection line, from which a charging signal is transmitted to the coin-operated telephone at the beginning of each call period and in which relays are provided in the exchange, which are operated when depositing a coin and register the value of the coin to adjust the duration of each conversation period according to the value of the coin, characterized in that in the circuit for the cashier magnet (M) of the payphone electric valves (GA, GB) in a are arranged in such a forward direction that this circuit only comes about and affects the cashier magnet and the coin pawls or coin lock levers (PAl, PBl) connected to it, if both when reporting the called subscriber and depending on others during the existence of a connection fender charge load signals through a control relay (i? 6) the connection is interrupted and instead a specially polarized power source is applied to the voice wires, and that when a slide track contact (ka, kab _v kc) corresponding to the coin size is actuated, a circuit is closed over the wires of the connection line will be activated in which relay (724, RS) in the exchange in a combination corresponding to the value of the coin and cause the registration of the coin value during the following call period and the re-establishment of the original connection. 1 sheet of drawings 1 709 877/93 1.58