US1127466A - Selective controlling apparatus. - Google Patents

Description

P. R. MCBERTY. SELEGTIVE GONTROLLING APPARATUS. APPLICATION FILED SH12, 1909,

1,127,466. Patented Feb.9, 1915.

.'10 r V -aiiism for automatic selectors .of a telephone miran entras Parana* orriioii.-

FRELNK R. MCBERTY, OF NEVI" RQCHELLE, NEW YORK, .ASSGNGR TO WESTERN ELECTRIC COMPANY, 0F NEW YORK, N. Y., J9. COBPORATON OF ILLINOIS.

memes.

egalitarian sied september e, isos. semi no. 515,933.

[citizenot' the United Sta-tes, residing at New Rochelle` in the county of Westchester and .State of New -York, have invented a certain new and useful lmprovement fin-Selective Controlling Apparatus, of which vthe following is in full, clear, concise, and exact de' Ascription. y l A VThis invention relates to controlling mecheXcha-nge system. Its object is to provide an improved arrangement of apparatus for controlling the advance movement Vand stoppingof selectors, and more` particularly its object is to provide a simple and effective device. for, predeterniining and counting the number of current impulses to be transn mitted in the selector controlling circuit, to'

the end thatv the impulse sending operation -Will take place With great rapidity and the desired eirtent of travel of the selector Wil be accurately determined. 'f

Hei'etofore, according to aV well known method of controlling.selectorslin telephone exchange systems, there have been employed a numberl of keys or .switches and certain forms of rotary .multiple contact switches or i senders the keys and senders forming the controlling apparatus for the selector, and

' each key being adapted to close a local circuit at one point which is subsequently closed at. another point by the sender. The

sender and the selector are operated in unison and are advanced under the control of the current impulses until the local circuit referred kto 'is closed, whereupon an electro- -i-'esponsive device, the Winding of which is included in thelocal circuit, is operated to open the controlling circuit,or 1n some other way to stop the advance movement of the selector.

According to this invention the selector controlling mechanism comprises a series of l successively operable electrical devices and a series of keys arranged to select for effective operation a variable group of the electrical ydevices together with a device'adapted to respond upon the operation of the last operated electrical device in the selected group.

More in detail the invention comprises al series of elcctromagnets. unich are prefer-` ably relays and which are caused to operate,L successively in response to current impulses :from aninterrupter, and a series of keys or SELECTIVE CONTROLLN APPARATUS.

rammed renfe, 1915.

the forni of a stepping relay, the switch contacts of which alternately make and break a contact in the circuit vof the relays. The responsive device" is employed as the means of 'stopping the iiiovenient ofthe selectorgit' maybe in the form of an ordinary cutoff relay and its Winding may be in`- eluded in a local circuit having a plurality oli normally open branch circuits, each of which is adapted to be closed by contacts in series of any counting relay and thecorren sponding switch. A second seriesof relays is 'preferably employed in conjunctionfwitb. the series first mentioned and the tvvo series otrelays are associated with two local circuits respectively.l These local circuits are arranged to be closed alternately by the stepping'relay, the Winding of which is included in a main controlling circuit ivliich circuit is provided with some suitable form'o'f con tact making device or. interrupter, operating in unison with or in the' movement of the selector; The relays in the two series vWhich are operated in alternate succession 'are selflocking. The cut-off relay stops the movement of the selector preferably by opening drawing, in which 1 is a main controlling circuit including tlie Winding of a stepping relay or interrupter 2 and a contact 3 normally closed but adapted to be opened-by a cut-oft' relay 4i. Relay 2 is adapted uto alternately close and interrupt tivo local circuits 5, 6, through itsv front and back contacts 7, 8, respectively. A battery 9 connected. to the switch spring of the relay isv adapted to supply current to both local circuits. A series of relays l0, il, 12 and 13 is associated with local circuit 6 and a second series of relays 10211, 12a and 13"* is associated with local circuit 5., Agthird local circuit 20 is associated with allot` the relays of the two series and its function, as will appearv presy.

being irst operated in local circuits y5 or 6.

This local circuit 2O may include as shown a,

source'of current 21 and a switch- 22.

winding of the cut-E relayA 4 is included in a circuit V23 having branches 24, 25, 2'6-A and 27.'. .A- series of keys 30, 31, 32 and are vprovided, each being adapted to close a con-v tact in one of the branches of 'ciroult 23. lncluded in these branchesare also,- a. series of switch contacts 40, 41, 42 ,and 4,3v con-j trolled by'relays 10, l1, 12 and 13, respectively.

Anv suitable form of interrupter may be provided in the main controlling circuit 1.

In the drawing there is shown a contact device V 50 coperating with a starwheel 51 which isrotated in the advance movement of a cbntrolled automatic selector 52. This selector may be employed to perform any `-desired 'function in the telephone exchange system, -such as the selection of a connection 'b'etween telephone lines. The advance movement may he secured by an electromag- "netic 'clutch comprising'a constantly .rotat- -fing power shaft 54, cooperating disks 55 .'and 56 and an electromagnet 57. The circuits.

'cuit of the electromagnet may be controlled in a local circuit by arelay 58 whose winding is in lthel main controlling circuit.

battery 59may supply current to both cir- Upon the closing of the circuit of `jthe clutch magnet 57 the rot'atingdisk 5,5 engages the normally stationary disk 56 'which drives 'the starwheel 51. Contact 50 is thus caused periodically to close and open -a shunt path about the stepping relay 2 1n ,the main controlling circuit 1. This circuit 'is adapted to be closed initially by contacts ing operation.

ed from relay 2,

' controlling -advance movement. The rotation of the starwheel 51 causes the current to be shuntbut not from relay 58, once for each step.

circuit 1 relay .2 operates to close local circuit 5 at contact 7 which cirlay 10a only.

cuit normally includes the winding of re- This relay is energized, and becomes locked in local circuit 20 and removed from local circuit 5 by the operation of its switch spring 60. Relay 10 Aalso Vbrings relay 10 into connection with local circuit 6 by vthe operation of its switch spring 70. Upon the first closing of contact 50, contact 8 of relay 2 is closed andrelay 10 becomes energized. This relay in turn becomes locked in local circuit 20 and removed from local circuit 6 by the operation of its switch spring 80. Relay 10 also connects relay 11a in local circuit 5 by the steps.

Upon the irst closing ofy lays,

operation of its *switch spring 90. In a similar manner the 'relay 11aA is operated upon the second closure of local circuit 5 and relay 11 u on the second closure of local circuit 6. elays 12'? and 12 are in the samel way operated in succession upon the third closing of local circuits 5 and'6, re-

spectively. Finally the energization of relay 12 causes the closing of branch4 26 at lcontact 42, key 32 having already been depressed. Local circuit 23 is now completed and the cut-offrelay 4 operates to vinterrupt the main controlling circuit at contacty 3, .thereby taking away current from relay 58. The' clutch magnet -is denergizedv and the selector stops after having taken three full Relays 10a, 1o, 11B., 11, 12a andjla are now locked up in local circuit 20. They may be subsequently released by opening that circuit at switch 22. The 'Whole operation may be repeated with any one of the keys depressed.

The series ofrelays and keys may be extended toany desired extent by continuing .the circuit arrangement as shown to other relays and keys. What I claim is: I

1. The combination with a selector and its controlling circuit, of selector controlling mechanism comprising anl interrupter, a circuit controlled thereby, a series of electromagnets, means under the control of said interrupter for bringing said'electronagnets successlvely into operative relation to said circuit, a series of keys one for each electromagnet, and a responsive device controlled by the conjoint operation of anyone of said electroma ets and the corresponding key for effecting a change in said controlling circuit of the selector.v

2. The combination with a selector and its controlling circuit, rof selector controlling mechanism, comprising' an interrupter, a circuit 'controlled thereby, a series of'relays, 'means under the control of said interrupter for bringing said relays successively `into o erative relation to said circuit, a seriesho switches one' for each relay, an electro-responsive device for effecting a change in said controlling circuit of Vthe selector and a circuit fr said electro-responsive devicehaving a'plurality of branches each including normally open contacts in series of one of said relays switch.

3. The combination with a selector and its controlling circuit, 'of selector controlling mechanism comprising an interrupter,

two circuits adapted to be closed alternately by said interrupter, a series of self-locking and the corresponding relays associated with one of said circuits,

a series of switches one for each of sai'd rea second series of self-locking relays'-` associated with the other ofsaid circuits, the relays of the two circuits being ar- Liam-acc l ranged tobe operated in alternate successionin .responseto current impulses in said circuits and a responsive devicejcontrolled change in said controlling circuit otthe selector.

v4L. Selector controlling mechanism coniprising a stepping-relay., circuit therefor' having an 'interruptezg tivo, lo'cal circuits adapted 'to` be closed alternately by said relay, a. series of relays associated with one of .said local circuits, a-series of svgitches one .foreach of said relays,- afseries of relays associated with the other .of said circuits,

`the relays iny thetwo local .circuits being arranged to bel operated in alternate succession in.response to current vimpulses'in said vlocal vcircuits and a cutsotfrelay responding tothe conjoint operation. of any 'c one of said switches and the lcorresponding relay and adapted to open the circuit of said Vas stepping relay.

5; The combination `with a selector, its

Vcontrolling circuit and an interrupter operating periodically in unison with the selector, V.of a circuit controlled by said interrupter, ai series of relays, means under the control ofthe interrupter for bringingsaid relays successively into 'operative relation v.tof said circuit, a series of switches one forv each relay, andra device responding to the conjoint operation of any one of said relays andthe corresponding switch and "adaptedA to change the controlling circuit of the selector. 1, c

fl 6. The combination with a selector and a controlling circuit therefor, of an inter- :rupter' operating in unison with the' selecp-tor, a stepping relay responding to current lchanges controlled by said .interrupter, tivo local circuits adapted. to be changed alternatelyfby said stepping relay, a series of electromagnets, means associated with one of said local circuit-s for 'bringing said electromagnets successively into operative relation to the 4other 'of said local circuits, a series of'lreys one for each electromagnet and a responsive device `vcontrolled conjointly. by any one of said electromagnets and the corresponding key and adapted to change the controlling circuit ofv the' Se-.

lector. l ,y

7. The combination with a selector and its controlling circuit, of a relay vincluded in said circuit, an interrupterfoperating in the movement of the selector and vadapted to intermittently shunt said relay, tivo local `circuits adapted to be changed alternately tromagnetsand'ineans for operating them 1n succession',of a responsive' device controlled by said electromagnets and a series of keys respectively associated with said electrical dev-icesand arranged to select for ettectiye operation a variable group of said electromagnets, said responsive device lbe-l ing directly responsive to the operation of the last operated electrical devicer in any selected group. 'ff' 9. The combination withQ a plurality of relays and means for operating themin succession, of =a "device `adapted to respond upon the complete operation 'of a variable group of said relays and a series of selective keys respectively Aassociated with said l:relays and adapted to `renderinetfective the relays external Ato 'said variable group.

10. The .combination with a series of relays, a circuit therefor and an `interrupter in said circuit, said relays being operated successively in a deni'te'order in response to' successive impulses of4 currentv in said c1rcuit`,"`ot a local circuit, controlled by said relays, a sei-ies of switches adaptedto select for effective operation a variable group of `switches being arranged" to select 'the relays comprising said variable group, and a responsiye'device in said circuit.

12. The combination with a seriesfctrclays, a controllingcircuit thereforand an interrupter adapted 'tovtransmit impulses in said'circuit,l said` relays beingyarrangedto operate in'succession inv response to saidimpulses, of'a local circuit controlled by said relays, 'a series of syvitches one for eachre.- lay, said local circuit' beingadaptcd to be changed upon .the operation o fa -lvariable 'group' of said relays andi-'said switches bcing Vzuranged to'select the relays-"compris ing said yariablegroup, and a responsive device in said local circuit. said responsive device being adapted to change the condition of said cont-rolling circuit.

1 3. The combination with a selector, an interrupter operating in the movement thereof, anda circuit including said inter-A rupter, of a Series of electrical devices iop ilo'

'adapted to operate in successioni-n response to impulses of current in said circuit, 'a device directly responsive'to the operation of the last of a variable group ofsaid electrical devices for controlling said interrupter circuit anda series of selective keys adapt-ed y device directly' responsive to the conjoint operation ofany one of said electromagnets and the corresponding key. 15. The' combination with an interrupter, of a series of relays, means whereby said relays are successively operated by impulses from said interrupter, a series of keys onev Afor each relay, a relay for interrupting the v.operation of the relays of said series and .I 'through -each counting relay,

an operating circuit therefor extending avkey and the corresponding relay. 1.6. The combination with an interrupter, of a series of'electromagnets, means wherebyA said electromagnets are adapted to be Vsuccessively operated by currentfimpulses from said interrupter, aseries of keys one for each electromagnet, and a device respon= sive to the conjoint operation of any one of said electromagnets and the corresponding key and'adapted to'stop the sending ofV current impulses.

' 17. The' combination with a stepping re- 'lay and a controlling circuit therefor, of a series of counting relays, means whereby said relays afgrjei adapted to be successively 'operated by current impulses controlled by said stepping relay, a series of keys one for a cut-off relay, anda circuit therefor havingbranches,

controlling including normally open coneach branch vtacts in series of one of said counting relays and the corresponding key, and said cut-0E relay being adapted to open the -controlling circuit ofsaid stepping relay.

' 18. The combination with ay main con- `-trolling circuit, means' for ransmitting lays associated .55

current'impulses therein/and a relay included in said circuit, of two local circuits, said relay being adapted to alternately effectv changes in said circuits, a series of rewith one of said local circuits, a series of switches one foreach relay of said series. asecond series ofl relays associated with the other local circuit, the

relays in the two series being'adapted to rekeys one spend in alternate succession to current imtrolling circuit, -an interrupter for transmit' ting current impulses therein and a stepping relay included in said circuit, of two local circuits, said relay being adaptedto.

alternately close and open said local cir-- cuits, a series of counting relays associated with one of said local circuits, a series of for each counting relay, a series of relays associated with -the other local circuit, the relays in the two series being adapted to respond in alternate succession upon the closing of said local circuits by said stepping relay, a locking circuit adapted to maintain said relays of the two series energized, a cut-oif relay and a controlling cir-v cuit therefor having branches, leach branch including normally open contacts in series of one of said counting relays and the corresponding key, said cut-of relay being adapted to open said main controlling lcircuit.

20. The combination with a series of relays and means for operating them successively in a definite order, of a series of keys arranged to select for effective operations a variable group of said relays; and an electrically operated device directly responsive to the operation of the last operated relay in the selected group.

'21. A selective switching apparatus comprising a set of self-locking relays, a locking wire therefor, wire, a controlling relay having a winding continuously connected thereto, front and back contacts onl said controlling relay, means for connecting said contacts to alternate relays of said set, each connection' pass-l ing through contacts on the preceding relay, whereby step by step selection is attained by. successive energization of alternate relays bv the makes and breaks produced bythe impulse transmitting wire.

In witness whereof, I hereunto subscribe my name this first day of Septemberv A. D. 1909..

4AFRAUN'K R. MGBERTY.

Y lllitnesses:v IRviNc MACDONALD, EDGAR F. BEAUBIEN.

conjoint operation of any an impulse transmittingv

Images