Patent GB-364764-A (GB)
Abstract: 364,764. Totalizators. ERICSSON TELEPHONES, Ltd., 67, Kingsway, London, LIMB, F., Holmwood, Fellows Road, and BRYDEN, G. A., Holmleigh, Queens Road, both in Beeston, Nottingham. Nov. 26,1930, No. 35579. [Class 106 (i).] In an electric totalizator system in which a bet signal is transmitted over one of a group of conductors common to a plurality of ticket issuing machines, and directed to the appropriate counter section by another impulse, over one of a group of stake value leads, the appropriate stake value lead is also used for the revertive ticket issuing signal. Ticket machines TA, TA<1> ; TB, TB<1>; TC, TC<1>; issue different denominational tickets, corresponding horse keys in all the machines being connected over common runner wires 1, 2, 3, .. , to the horse counters Wl, W2, W3, .. , the stake wires a, b, c, .. connecting the machines to the appropriate denominational counter sections. In Fig. 2, showing a ticket machine TA, or TA<1>, say, common contacts K are closed whenever a horse key as K1 is closed, and contacts ml, m2, connect the ticket machine in its turn to the stake and runner wires a, 1. Alternatively a rotary switch may connect the machines in turn to the counters. Operation. When key K1 and consequently K are operated, and contacts m1, m2 close, a high resistance relay ST energizes in series with a low resistance relay R (which does not now operate) over contacts hr2 and K. A relay WA at the adding equipment now operates over earth, contacts st2, m2, key K1, and runner line 1, and at contacts wa1 energizes a relay CM over earth, contacts stl, hr4, low resistance winding HR (which does not operate), contact m1, stake wire a and high resistance lower winding CM. There is a relay CM controlled by relay WA for each stake section of the runner counter, but only that shown (corresponding to the stake wire a) is now energized. Contacts cm1, cm2 now close to energize the horse and pool registering switch driving magnets ADM and BDM. Contacts cm3, cm4 close a locking circuit for lower winding of relay CM by way of resistance R and the interrupter springs adm, bdm which is opened only when both the horse and pool magnets have pulled up. Contacts cm5 energize the upper low resistance winding CM whereupon the increased current flow in the stake wire a operates relay HR, which locks by way of its lower low resistance winding in series with relay R over early making contacts hr1 and disconnects at contacts hr3, hr4 the runner and stake lines 1 and a. Relays WA, ST release and R now operates to commence the ticket issuing operation near the end of which keys K1 and K open to release relays R and HR. Relay CM releases to step the counters ADM, BDM, when contacts adm, bdm, and hr4 or st1 are opened. Modifications. The operation of relay HR may be made dependent on both horse and pool registers by inserting in the circuit for increasing the current therein normally open contacts of a relay shorted until both contacts adm, bdm have operated. There may be stake selecting relays corresponding to CM common to a plurality of competitors, there being a number of relays WA to each competitor, the appropriate WA relay to direct the registration to the correct counter denomination, being determined by the stakes relay selected. Alternatively, as above, there may be one relay WA for each competitor, contacts thereof, corresponding to various stake values, the appropriate one being rendered effective according to the selected stake relay.