US1117633A - Signaling system. - Google Patents

Description

j Patented N0v.17, 1914.

INVENTOR of its current round, letting the l wer sta-' .s rsrrrr 'I'JEAREHGE 61* BINGHA'MTON, NEW YORK, ASSIGNOR T0 (if-SURGE {3. 1 .333525,

0? NEW YORK, 25'. Y.

SIGNALING SYSTEM.

Specification of Letters Patent.

Application filed December 24:, 1913. Serial No. 805,522.

To all whom i1, may concern Be it known that l, Cwnnxoe E. BEACH, s citizen of the lliiitecl States, residing at llinghanlton, in the county of Broome and finite of New York, have inrentecl certain new and useful Improvements in Signaling .ll i'stems, of which the following is a speciiicetion.

My invention relates to signaling systems and particularly to alarm systems for protecting localized territory and for protecting buildings, such, for example, as footory buildings end factory premises. Systerns of this l'incl are designed to provide means for sending an alarm, such es an alarm of fire; from any of a number of stations and to give Warning signals at various points in a ouilcling or premises to warn the occupants to escape therefrom.-

Une object of my invention is to so connect the clifiercnt signal stations that if two or more are operated at the same time, such operated stations will take control of the system through their non-interference magnets in a predetermined order, usior example, the lower of the operated stations first. and then, itmorc than two were operated, the others in corresponding order, thus Warning those above the fire that their escape is likely to he cut off end haste is therefore necessary, While re: 1ss.uring those below the lire that they may safely give the right of Way to persons from-the upper floors.

:rnother object of my invention is to so connect the different signal stations that if a signal is already being transmitted "from a station 021331 upper floor and a station on a li'uver floor-is operated, the upper stetion will, for like reason, stop at the end tion transmit its signal Without clciey.

iinother ob ect of my invention 1s torrevizle such mechanism in thesignsl time that if two or more are operated at or count the some time, the signals from all of then 1' will be transmitted in :1 predetermined'orcler, without interference one with another.

Another object of myinvention is to make possible the use or" a series of electromagneticelly ofiere'ted signal devices require" electric current, such as mg apowerful I single stroke direct acting bells, shunting hells, motoror magnet-driven horns, etc,"

controlled from a plurality of signaling smdevice 6 with its battery 7.

tions in a simple manner (Without the em ployment of relays and local hotter-es] While keeping every part of the system um (ler constant test by meensof a very week I current in the reverse direction.

In United States Patent No. 1,662,38 issued to me under date of May 20, 1913 is shown a method of si sling from 2. si a'igle station, by reversing t -e current-in the signal i'es'ponsii'e part of the circuit While sllowing the current in the rest of the circult to flow in the normal direction. The present invention is an improrcmerit c or that described in the above patent in its adaptation to the use of e' plurality of soninterfering successive signaling stations. v

My present invention is particularly rlesigned for utilizing inexpensive signeliug boxesat the verious stations, es, .5502 e ainple, those known in the as sector boxes, which may be Wound during the operation of pulling and which are cepsble of running for a limited number of rounds arrongetl in a vertical series. .At each, of

these stations, a signal receiving clevicemoy be installed, this device being shown single stroke hell 1 at station C and represented at the other stations lgy suit-dole devices At one end of the series cistetions I provide the current source 3 and utthe opposite end. electrically, -l pro iitle two suitable resistances 4 and 5. resistances are shown es magnets 'edeptecl to control the connection of asuitableelerm The signaling mechanism in'stolledet each of the stations isshown diagrammatically in Fig. 2.

Asshoii n in Fl .2, the sector o ierated driving train for the signal Wheel is adopted,

The pull leverlfiis connected with the 'ouiicl eech .time the box is pulled, ,enti when released rotates the, signs wheel a. ipredeterminedtnumber of times.

ing its left hand end sector gear 9 and the spring 10 is provided to be wound when the sector is swung downwardl and to restore the sector when released. he details of the driving train are not shown,-,as any well known mechanism may be used having interposed ratchet connecting the sector gear and the signal wheel 11 to transmit motion to the signal wheel only during the movement of the sector in'one direction. Associated with the signal wheel is the signaling lever 12 having a projection cooperating with the teeth of the signal wheel 11. This lever has the insulating stud 13 for actuating the contact springs 14 and 16 which are connected toether by bar of insulating material. dhese springs co'dperate respectively with contact springs 15 and 17. Secured to gear on the signal wheel shaft is a pin 18; The prop lever 19 has an insulating stud 21 adapted to move and hold the contact spring 22 a suitable distance away from contact spring 23 while said prop lever is in a certain position. a

A curved projection from prop lever 19 extends into the path of the pin 18 and said projection is so located that at a suitable time after the last tooth of the wheel 11 has disengaged the lever 12, the pin 18 will engage said projection and quickly operate the lever 19 to move spring 22 out of contact with spring 23. Said projection from lever 19 is of such form that it will thereafter hold said spring 22 out of contact with spring 23 until just prior to the engagement of the first of the teeth of the wheel 11 with the projection on the signaling lever 12, and so that when said pin 18 disengages said projection from the lever 19 it will permit said lever 19 to instantaneously move to the position in which it permits spring 22 to make contact with spring 23. The non-interference elcctromagnet 24 has an armature structure 25 pivoted at 26 and havcxtending into the path of arm 20 of the prop lever 19. When the prop lever 19 moves in the direction where by it will permit spring 22 to move toward sprin 23, the lower end of said arm 20 is brought into cngagen'icnt with the armature (i0 spring 22 said springs.

tact spring structure 25 to hold said armature structure in attracted pos1t1on.

An arm 27 extends from the armature structure so that when the armature struc-' ture is in retracted position, this arm engages pallet lever 28 and thereby stops the train, and the relation of said arm 27 to the pallet lever 28 must be such that when the lever 19 is moved by pin 18 to separate from spring 23, arm 27 will not engage lever 28 until after the separation of T be free end of contact spring 30 has in the path of insulating pin 29 carried by the sector gear 9. The con- 31 is so mounted that its free end is normally not in contact with the spring 30, but when the sector 9 is started downwardly upon winding of the spring, the pin 29 allows spring 30 to make contact with spring 31.

Referring again to Fig. 1, current normally flows from the source 3 through wire 32 to contact 15 at station A and serially upward through similar contact 15 at all the other stations, thence through resistance 'magnet l to wire 33 and serially downward through contact 23 at each station, to and through wire 34 and serially upward through contact 22, non-interference magnet 2 1 and contact 30 at each station, to and through wire 35 and serially downward through contacts 31 and 17 at-each station,

thencenpwam through wire-36 to and -thro'u'gh the '37" andserially downward throughthe signal receiving devices 1 and 2 at each station, to and through wire 38 and serially upward through contact 14 at each station, to andthrou h resistance magnet 5, to and through wire 39 and serially downward throu h contact 16 at each station. to the other si e of source 3. The

, winding of the non-interference magnets 24;

and the resistance ma ets 4-. and 5, is such that they will be su ciently energized to draw their armatures'into attracted position when energized by a current which is insul'ficicnt to cause magnet l and the mag nets provided in the devices 2 to actuate their armatures,.'the resistance of said magconstant test and securing non-interference between the various signaling stations. As

the armature of both magnets 4 and 5 are' normally attracted, the ircuit'of alarm 6 is open and the alarm does not sound. If the main circuit should be interrupted or they main source 3 should-fail, the armatures 'ot;

magnets 4 and 5 will {be retracted to close the circuit of alarm 6. 'It ujill thnsye seen that whenever the current flow iitis ulj liindin circuit is insufiici'ent, the nounced by alarm 6. a;

It will be noticed that each contact spring is provided with two terminals and the wires to these "contact springs are separatelytached, one to each terminal. By thus making the material ofthe contact spring itself an essential part of the normal closed circuit, it is impossible to have a loose contact at any terminal without indicating the same through failure of magnets 4 and 5. Itwill be seen that such crosses in my systerm as might be most likely to occur will be indicated through the short circuiting of the fact lie I ris at- I d the consequent opera,

and if deemed needrul, s (not shown} i lay, howprevent mier Cl' Billij set-Ween Wires Sign sis in i iu' and are 32, cen- & time Ween a m u equ vaiezr 1 for so gels; a 3 re a of any cross 'wouii the de iergizmg r a: 3711i result in its eaeperi I? .2! ire purpese or" transmit-tin a sig ai brough in me new 0: mile iever 8 pm)? m [g to the devices included in Wire 37, the eenthe pin 18 being Withcir tact springs l i, 15, 16 and '17 are connected ingiever 19. respetiveiv in wires 38, 32, 39 and 35, and Since it requires an ap zrecizibie iiipse if "the purpose of non-interfeenee end suetime after the closing any seft 0f 00932.6? C{ ssion ihe contact springs 30 and i 1 springs 30 and 31 for the 2? assecieiteci are (FOITIQQiLd respectiveiy in wires 3 with the magnets siiimteii by the dissing n the different groups (if SPIiIL QiJQ if such springs to breught Within iche J lied by the signaling zneehqnzsm, path of their res-gecti-ve eepera'zing levers dy explained. 28, the test per ifhiis i have shewn the non-interference 2r; magnet 24 us connected between contact ed every musi; 1e e s such ieiw'i h if M: the iime such uiied 2i higher box. has already run east iii" and coniiuct spring Z- in let the ren'mining pei'tien of 2 the effectiveness of my iess I such appreciable i I item wouki not be altered this z'zwg- Lie tesi p2 Nd. 0f such large:- :iec was incincieri in the Wire 3&- beiev: can mail duration (is to extend 4 spring 22 the shunting;- of tile mugneii iime aft-er its 2&- WI i ;:i1 wuuid resuit from the 0pm. she centristthe eon-tee: springs and 0 seeiated upperbox at iherewith would occur 0:213; {in the time eriadl ef'sueh when. asseciaieni strucim'e 30 "$535 115.2 iecked in attracted gesi'tion. far possible variatiens in the TM tien of iiie port-Len of my izn'en i n1- iuzni'sms of the the par-no e securing the test peried just described es iioiicws in the 6%313 1 1 ngii'ienezi, as will be Weii the bux ioemi'eci iii station these skilled in this art. v :s 1 sh line Fig. i is n that just prim to the m0 irsi; moveme pin 25) away m the transmission of the gl w i} mg 1' k 2111 the engagement of the n 3 short-circuits with its associated i ce -iets 24c of boxes 011 35111 of the asso- ZQ leh are iocaieii above box mziieci. The wii be m5 airman:re'suuetures J5 (if sw agnets new Wiii. reretract and their moved into a a last 0 the path nf their as engaged the 2S, and thereby pi i commence 45 societeci w. its 1 0?: be im; L1

in t boxes 1 Upon .reieiise etor, pin 18 rotates with ihe signai whee iii a (SOLUiiLtf-CiOflk'WiSQ lireetion for a suitable Lest period, the dump 0 ion 0i which is measured by the distance ihe sigma; wheel 11 must more before the signal 0% any on b03165, its pin 15% Wlii mov tile 1% x. I pin .18 Withdrawn from supporting the separate springQZ from spring and t the le er 9, When the further mine -211d lever i r emr h i pin 38 is thus ithdrawn 1 11- iever l9 ialis from iu'nfilfizirestrmrii'are that if Lhe 3 and allows spring :22 to mikecontact with C 22" thus denergi /iing tile zmn-iiitering or" any her; 1 time; beiow a e magnets A of ilii boxes ioeuted sesequent dosing 0f springs 3i? and 31 we 101'; Ziiz; box pulled. Tie duration this ciziteii therewith them-in 27 wiii be meved y 'iod must be at ieast double the time inw the pail: of the lever and time 33501) 8 internal i -h must einpse frem the shuntcilia rotation of associated signal whee? 1-95 ing of an group of nan-interference me uniii such ilm: as magnet 24 is againelief nets Q-i until the 27 of all belies whose gized. magnets are shunted are brought into the h path 01' coiiperziting puiiet levers 28. tien pm The reason tins testperied siieuid be greater successive magnet 24: is no; ener ized, due to the null 9;

nci iiie pulled at or about the same time, is'as follows :';In the event that the box located at station A was pulled and subsequent to the pulling of said box and before said box came to rest, the boxes at stations B and C were pulled, the first movement bf the pin 29 of the box at station A would permit its asso-'' ciated spring to move into contact with its spring 31 and thereb shunt the noninterference magnets 24: 0 the boxes at stationsB and C through the following path: from the spring 30 in box A to wire 34 and therein through spring 22, magnet 24, and spying 30 of boxes B and C, to wire and therein through springs 31 and 17 of boxes C and B to spring 31 in box A, which is in contact with spring '30 therein. The result of thus short-circuiting the non-interference magnets of the boxes at stations B and C will be to permit their armature structures 2527 to move into retracted position and thereby prevent the running of these boxes. After the conclusion of the intended number of rotations of the signal wheel 11 of the box at station A, the pin'fll) associated therewith will move the contact spring-3'0 away from the associated contact spr ng 31, thereby opening the short circuit hereinbefoi e described. between the springs 30 and 31 of the box at station A will not cause the energization'oi' the magnet 24 of the box at station C owing to the shunting of said magnet by the similar action of springs 30 and 31 in the box at station B when that box was pulled. However, the opening of this short circuit at station A would result in the energization of the magnet 24 in the box at station B and thereupon said box would proceed to run until its signal wheel had been rotated the intended number of times, when the pin 29 associated with the box at station-B would move its contact spring 30 away from the associated contact spring 31, thereby opening .the short circuit of magnet 24 of the box at station G. From the foregoing it will be seen that if two or niore boxes are simultaneously pulled, the box at-the lowest location will immediately shunt the magnets 24 of the higher boxes which will. thereby be prevented from running untilthe lowest box has completed its intended' rru'n. It will further be seen that whenfthe magnets 24 of two or more boxes have beemshunted by the pulling. of a lower box, and the boxes having such shuntedmagnets have been pulled,

after the conclusion of the intended run of the lower box, the shunt will be removed from the magnet 24 of the lowest waiting box, allowing this box to run, but the other box or boxes will be prevented from running until this second box has completed its intended run, when the remaining boxes will be successively released in like ord r.

,- In.the event'that the box located at sta- The opening of the short circuit of the box at station Chas passedijoiit'of raw-nae tibn. c was pulled the are 'timejsubsequent to the pulling of said box whenjthe'with drawal' of itspin 18 from'suppo'rting its letions A and B until after thelest or the teeth on said wheel 11 has passed out of en- .gagement with the signaling lever 12- associated-therewith.- When, however, the lever 19 associated with the box at station moved to hold its associated armature structure 25 in attracted position, it also pjei' mitted its spring 22 to m'ove'into contact with its spring 23 and thereby shunted the jet magnets 24 of the boxes atjstatiops A B through the following path: frozn'spring 23 in the box at station C to wire 33 and there'-' in through springs 23 at stations B anduk, to wire 34 andtherein through springs .22

magnets 24:,and spri'n p B to spring 22 at station C which is'in con- 30 at stations Amid tact with spring 23 therein. The reeu lt{if magnets of the boxes at 'stationsB. andIA will be to permit theirarmature structures 2527 to move'into retracted position and thereby prevent the running of these boxes. After the last of the teeth of the' wheel 11 gagement with its associated signaling let p 12, the pin 18 moving with said wheel will raise the lever 19 an 22 away from the associated contact spring 23, thereby opening the shortcii'cliit herein-- thereby mote spring-- thus short 4 circuiting the non interference I ran before described. Inasmuch as me e jet 24 of the box at'sta-tion C was shujited w "en the boxes at stations A and B were pulled,

ids

- through the action of their spring'30 and 31',-

the armature structure 25 at said station Gis permitted to retract upon the lift ng of the lever 19 just described and in soj'retracting will move its arm 27 in the path bf its lever 28 and thereby stop the runnin of the box I at station C. The opening'of t e short cirj cuit' between the springs 22 and23 at station C will not cause the energization of the agnet 24 at station B, owin to the shunting of said magnet by the 'sprmgs30'and 31'dn the box at station A when that box" was pulled. However, the opening of this short circuit at tation C would result in the en-' ergization' of the .magnet' 24 in the box at station A and thereupon said box would proceed to' run until its signal wheelliad been rotated the intended number of times;

when the'box at station B would be per; mitted to run. through the operation already described. When the wheel 11 at station B has been rotated its intended number of. times, the shunt around the magnet, 24; at

station C would be likewisef'renioved, where borhss enga' arness:

upon drumming of saidibon would he resumedl, From-thefotegoing'it will be seen that ifJt-hefirst tooth of the-Wheel 11 of any 'thesignaling lever 12 essocietcdtlierewith, the pulling of any box or boxes located-below such running box will not'ceuse therrunning of'ssid upper box to be interrupted'until after the lost of the teeth of its-wheel'll has disengaged its signaling lever" 12. It will further be seen that under-these circumstances the runnning of such lower boxes will be restrained until afterthe'lest of the teeth of the wheel 1] of the'uyper box' has disengaged the associatcdsi mlin lever @12 Whereu on said re- 5 g p strained hoses will follow in succession, the host at lowest location always talrin pre ccdence as'alresdy described. Thus, tie 0peration-ofthe portion of my invention prorideu for the purpose of securing non-interference and succession is such that the sign from the lowest point of fire danger is gi. e right of Way, with a minimum delay, nals. example, a fire might start on a lower floor of a building, the smoke going through: some vertical opening to an upper floor sndthere meking'itself known. If a ho on theupper floor was first operated, the hon on the lower floor, when operated, would detain the upper box at the end of the current round, and immediately transmit its mvn signal,

The operation ofthe portion of my invention provided for the purpose of causing the actuation oi the signal receiving devices inclnc ed in the Wire 37 is as follows: During the rotation or signal Wheel 11, the teeth thereof are successively broughtinto engagement with signaling lever 42 The operation of this lever causes the closing and opening of contact springs 14, 15 and l6, 17. When these cont-acts are closed current may llo'w from source 3 through wire 32 to spring 15 in the operating box, Where it divides into three branches, as follows 1) from spring 15 through spring 14, downward in viire 38, upward in Wire 37 through signal receiving devices 2 and 1, downward in wire upward in wire 35 to springl? in the V operating box to spring 1-6 therein (2) from spring 15 in the operating box, upward through Wire 32, through magnet l, downward in Wire 33 to spring in the operating box, spring magnet spring 30, spsing 31, and spring 1? to spring 1 3 therein; s d {3) from spring 15 in the operating hos through spring 14:, upward in W1re 38, through magnet 5, downward in wire 39 to spring 16 in the operating boxhere the three branches join and the current returns to source-3 downward through Wire 39. On

account of the great diminution of the resistance oi? the path including the signal re ceiving devices 1 and 2, the current passing 1 there can be no confusion of sig;-,

,be dispensed Wl' through said devices will he nth creased and will constitute the Inner por tion of the total flowfrom source 3, the restraining eilect of resistance magnets-'4: and

5 being. suiircientto reduce the leakage is around said signaling devices 1 and 2 to an insignificant amount.-

It will be noted thet'the test current normally flows through the Wire 3? in the o posite direction to the signaling current which flows through said Wire While the springs ll, l5 and 16, 17 are in contest, which has a very beneficial efi'ect in that it tends to overcome and neutralize any. residualmagnetism in the'magnet l and in the devices 2. In practice, this results in much more accurate operation of all signaling devices used in this circuit. An important i-dvuntage obtained through arrangement that an accidental interruption of the circuit will not cause the signsl receiving devices 1 and 2 to not, thus avoiding unnecessary confusion and disturbance, while at the some time, such breaking of the circuit will afiect magnets 4 and 5, thus indicating at the alarm 6 a disturbance to the circuit.

the use of this 'lhe action of the contact springs la 15 v and 16, 17 will only vary the current in the magnets l and 5, but not at any time interrupt or reverse the direction of said current through these magnets, and signals can, therefore, be transmitted by means of these contact springs without affecting the alarm 6.

While I have chosen "to refer to the various sign-sling; stations as being located atvarying altitudes, l have only done so with the idea of securing clearness of description,

but it will be obvious to those skilled in the art that the physical location of the various signaling stations is of no consequence out that the desired sequence of operation is obteined by the order in which the mechanisms of the various stations are electrically con-' nected. F or like purposes of cleurncss l have shown and described the magnets l and as having sufficient resistance to produce the required resiilts, but these nmgncts may be of much lower resistance and a suitable separate resistance seriull; connected therewith, and many other similar changes may be made in the construction and arrangement of my invention Without departing from the spirit thereof.

While I consider it desirable to provide releiys for controlling the alarm '6, if it is deemed unnecessary to provide two relays. a suitable resistance nfay be substituted for either the re istunce magnet l or the resistance magnet 5 and the remaining relay will give an effective test of the continuity of the entire circuit, and if desired both relays may and suitable resistances substituted for the magnets thereof and under these circumstances the condition of the circuit may, if desired,'be determined or indicated by a suitable measuring or current detecting instrument included at any convennnt point in said circuit, or by using thearmature of the non-interference magnet as an indicator or to operate any well known indicating mechanism suit-able therefor.

The signal station mechanism shown in Fig. 2 is provided for'the purpose ofmore clearly disclosing the operative relations of the various in'strumentalities shown diagramaticaily in Fig. l, but any signaling mechanism arranged to .suitably operate similar instrumentalities may be used in place thereof, and such mechanism does not form part of my present invention.

What 1 claim is v 1. The combination of a circuit including a source of current and a plurality of signal transmitting devices, non-interference magnets therefor included in said circuit, one or more signal receiving devices so connected in said circuit as to be responsive to all signals of said transmitting devices, and means for operatively altering the condition of the non-interference magnets of a plurality of said signal transmitting devices without operatively affecting the signal receivin devices.

9. 'fhe combination of a circuit including a source of current and a )lurality of signal transmitting devices an non-interference magnets thccefo'r included in said circuit, one or more signal receiving) devices so connected in said circuit as to e responsive to all signals of said transmitting devices, and means for short-circuiting the non-interference magnets of a plurality of said signal transmitting 'devices without operatively affecting the signal receiving devices.

3. The combination of a circuit including a source of current and one or more'signal recei ing devices, with a plurality of signal transmitting devices and non-interference magnets therefor included in said circuit. means controlled and operated by each transmitting device for short-circuiting the non-interference magnets of other transmitting devices, and means controlled and operated by each transmitting device for reversing the current through said receiving devices.

4. The combination of a circuit including a source of current, one or more signal receiving devices, and two resistances normally in series therewith, with a plurality of signal. transmitting devices, non-interfare- .ce magnets therefor, metins controlled by each transmitting device for short-circuiting the non-interference magnets of other transmitting devices, and means controlled by each transmitting device for connecting said resistances in multiple with each other and with said receiving devices.

5 The combination oi a circuit including a source of current, one or more signal receiving devices, and two resistances normally in series therewith, with a plurality of signal transmitting devices, non-interference magnets therefor, means controlled by each transmitting device for short-circuiting the non interference magnets of other transmitting devices, means controlled by each transmitting device for connecting said resistances in multiple with each other and with said receiving devices, and means, controlled by each transmitting device for: reversing the current through said receiving devices.

6. The combination of a circuit including. a source of current-and one or more signal receiving devices, with a plurality of signal transmitting devices, non-interference magnets therefor, means associated with each transmitting device for short-circuiting certain non-interference magnets without operatively alter-ting the signal receiving deyices and means associated with each transmitting device for subsequently short-circuiting'other non-interference magnets.

7. The combination of acircuit including a source of current and one or more signal receiving devices, with a plurality of multiple-round signal transmitting devices, nonintert'erence magnets therefor, means. for operatively altering the condition of certain non-interference magnets during the entire signal, and means for operatively altering the condition of other non-interference magnets during each round of the signal.

8. The combination of a circuit includin a source of current and one or moresigna receiving devices, With a plurality of multiple-round signal transmitting devices, noninterference magnets therefor, means for shortcircuiting certain noninterference magnets durin'gthe entire signal, and means for short-circuiting other non-interference magnets during each round of thesignal. v

9. The combination'of a circuit including a source of current and one or more signal receiving devices, with a plurality of multiple-round signal transmitting devices, noninterference magnets therefor, means assotrolled by each transmitting device for shortcircuiting certain non-interference magnets during the entire signal, and means controlled by each transmitting 'device for short-circuiting other non-interference magnets during each round of the signal.

ransmitting devices, non interferencenragnets therefor, means con-H is; wurse 0% 61111211 nd @328 oii'm centmiia ci "for "EYQI'SlEg con'troi' ed each tra subse i 3 sh-cziyaiw tmffei'fiilfi' magnets, :1, by each razismifiiiag devisaid resisiansss in i and with said magi? i X The csmii mtion air :1 ail-Qui t inciuriing ssurce of currerit, 02' more signal reoeii'ng dmices, and twe resisiances normaii" in es inei'evii h, with a' piuzality -c0ntmiied connecting of iranszniiiing devices, nan-interfe 9110s magne iiierefoi', means controlled by each transmii ing 'Cie'vice 3 0! short-circuiting certain ilfJZl-iiiijfifEI'QD-Q means controlled b :h ti'zmsmitiin (iii subsequenti 1 cimiiit ng 0 e1 n@ninterference magnets each $1 itting I resistanc s in i'nizitipiv i sac-ii other and with said 'iii'V means c0ntl'oiied by each :iiniismitting i vice for V0 vex-sing time our i i: thrziu zii said iw uiving devices.

1%. in a signfliing nziiing ciicnit, piiii'aii i 1 ini'itin 320i} innin non-inter Fmcon; cting sai i Pin-( 4 I inn 0i tiifi sigiiiiing r-uii". minding Hii m sn'ii iiizignvts. means operated 'ezwi f 511' l ti';in:=mitLing (.imices for ems .OZ'ETEP. I ii poi-tiun 01" said imp in iiNilY the mu pix:- miity if other triinsmitiin 15. In a signiziing s swin, thv cmiiiiinzv tion with a piumii i of signal transmitting im'ice and non-inteiim'cnw for. of m inctmzmilnvfl. :1 SiIriiUi (,(HHiilIi'Ul' (mine-Lied tn (mei e nd of the filF't (i'indiii'fmi- Milli extending A mid iugnvis. mu! means: as with each, nsmittiiig doviw fm' cross-(sonnenting said cnn 'iiwimst.

13. in ii sigxmiing; i am mmhin: tion with a 3') *uity ml giiiii ilfiflSfniitil'ig devices and min-1iimrfni-ence magnets :heresacii oahsr imhidiix-ig s-a'i 1 ii ascend conductor cenmwasii T i and of the first conductor and past said magnets, and means csntmiieri transmitting device fer ewes-comma? mg said conciuctars, V

2.7. a 5i I esmbina time with a pa miity 01 sigma transmitting iie-vicea non-imerference magnets ihfirafezg and a signal recei 'ing ievice,

Conch c 301 serially tar Sfiifliils including said magnets a 0nd cend'uczor cc'mmcte 30 one end 05 the cc-nduswz' and extending past ait? magggnets means contrelie by aach trims mitzing device 50: crass-connecting said am; means contmiiefi transmiiting fer reversing T ni oniv thmugh the partial: 0f insiudizv said 1 -iniz eviced 18. In a iisn of six;

em. the CGfiliBiZEfw a sourcia 0; "my

- FiES theii'ew A. a gumgrmi transmitting devices, zm nominterirence T11. *iierefsr with 1?, conduetm sei-iaiiy aiding saiii inagfieia a second conduct-0," nested. i0 one and if the first cfonducior anci extan iing past said magnets means cont?! e each mans-= knitting define ff)? cross-swimming said cendnctois. and means contmiied by each 112 s:- mittiiig" ilei'i' for criniieciing said IQSIS': sinus; in mniizg with each nther and with said remixing device.

19. In a signaling ciyciii; tin; uomb' 3,5011 wit :1 pimziiity of signal transmit kin'vic s and 1mn-interfercnse magnets ii mg of 21 m'imiuctor sei'iiliiy including 5 zrmginvts, 2i Sfifl'fillfii conductorcoiinesieli om: end m? the first conductor am e? past said mug. nuctmi to tin, Mimi and of the first mnductor am also extanuing past Sli(i'1'D$'i;.J|8ilS, and means for cros r-connecting said conriucioi-s.

20 3:; siz'ii iiimj (tilt'tliit. t1):(:(iiiiiiiiiiii-ifiii with :i piiimiii q 0T aigmii transmitting Ciiv': rial iu'in-iiit i'fm'i "ii i gi'wts thm'efmx n unwind-1w scrinii imd ing Fuiri mag rivzlsg :2 swrmifi miuiua-t :onnw'teii t0 one iii of tin iii-"t comim-tnr and Qx'iemiing pmt sziiri magma-ts 5 third can! ctnr con na-ctwi in time other and of the t (ruminatmand misc xtmiding past JHQTitS and 111ml? :i.""ci:i Mi with (1611 ii'unsmiiting devimi'mm-o -(w nii0ci.iiig mid comluc'tor. 21. in 1'1 sigznalm (:ii'r'iiit. the con'ihimiiimi H1 u iim'ni'f m" 1211i L i9- 1 ir-m :mri nmwintwi01-mi imam iii 2! "(HHiHCi II' I" (NHL:

nmmaiiy in raiity of Jets. :1 third condnmcur mi) past said magnets, means controlled by each transmitting device for cross-connecting said conductors, and means controlled by each transmitting device for reversing the current only'through the portion of said circuit including said receiving device;

23. In a signaling'system, the combination of a circuit including a source of current, a

signal receiving device, two resistances normally in series therewith, a plurality of signal transmitting devices, and non-mterference magnets therefor, with a conductor serially including said magnets, a second conductor connected'to one end of the first conductor and extending past said magnets, a third conductor connected to the other end 'of the first conductor and also extending past said magnets, means controlled by each swtransmitting device for cross-connecting said conductors, and means controlled by each transmitting device for connecting said resistances in multiple with each other and with said receiving device. '24:. A plurality of signalnig stations, signal transmitting mechanism at each station, setting mechanism associated with each transmitting mechanism adapted to adjust said mechanism for the transmission of a 4o signal therefrom, electro-magnetic controlling mechanism at each station adapted to prevent the transmission of a signal from that station under certain circuit conditions, means'associated with and controlled by the 4'6 runnin of each signal transmitting mech- T anism or preventing its associated control- 5 ling'means from acting between-the com*- 91 'mencement and completion of any round of its signal, circuit chan g mechanism asfie' sociated with each settlng mechanism and operated thereby, and suitablemircuit c011 nections between the signaling stations-so connected with said circuit changing mechanism and said electro-magnetic controlling mechanism that the operation of any'setting 65 mechanism will, adjust said circuit connections so that, the electro-magnetic controlling mechanism of other stations will be subjected to circuit conditions adapted to prevent the transmission of signals therefrom without. so adjusting the circuit connections for the electro-magnetic controlling mechanism of all stations.

25. A plurality of signal transmitting stations, non-interference mechanism as'so ciated with each station, means for setting each station for the transmission of a signal, two circuit changing mechanisms associated with each transmittlng station, one of which is operated by said settingmeans and the other of which is maintained in operated condition between the commencement and completion of each round of the signal of its station, means associated with and controlled byv each signal transmitting station for preventing its associated electro-magnetic controlling mechanism from acting between the commencement and completion of any round of its signal, and suitable circuit connections between the stations so connect- 8c ed with s id circuit changing mechanisms and said electro-mzignetic controlling mechanism that the operation of one of the circuit changing mechanisms of any station by its associated setting means will so adjust saidcircuit connections that the electromagnetic controlling mechanism of certain stations will be subjected to circuit conditions adapted to prevent the transmission of I signals therefrom, said circuit connections being further so arranged that the other circuit changing mechanism of such station when in operated condition will so adjust said circuit connections that the electromagnetic controllin mechanism of other stations will be sub ected to circuit conditions adapted to prevent the transmission of signals therefrom.

In witness whereof, I hereunto subscribe u my name, this 22nd day'of December, A. 1);, "00

CLARENCE E BEACH.

Witnesses:

C. M. Connnmon, A. L. Prion.-

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