US749191A - Felix benedict herzog - Google Patents

Description

PATENTED JAN. 12,1904.

F. B. HERZOG. ELECTRIC SIGNALING APPARATUS.

APPLICATION FILED MAY 17, 1886..

H0 MODEL.

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UNITED STATES Patented January 12, 1904.

FELIX BENEDICT HEEZOG, OF NEW YORK, N. Y.

ELECTRIC SIGNALING APPARATUS;

SPECIFICATION forming part of Letters Patent No. 749,191, dated January 12, 1904. Application filed May 1'7, 1886. Serial No. 202,489. (No model.)

T0 at whom, it may concern.-

Be it known that I, FELIX BENEDICT HER- ZOG, a citizen of the United States, and a resident of the city and county of New York, in the State of New York, have invented a new and useful Improvement in Electric Signaling 'Apparatus, of which the following is a specioperator to readily receive its signal, and also to provide other speclfic improvements in elec-' tric signaling apparatus, as'herein shown.

To this end the principal feature of my invention, generally stated, consists in employing suitable apparatus at the central or receiv ing station and the substations, together with proper circuit connections between these, whereby when the central operator manipulates the receiving apparatus this will automatically indicate which of the substations has signaled, and may also, if desired, give in addition to this indication the signal which properly-organized substation signal-transmitting apparatus has been prepared to transmit. r

The invention consists also in various other features and details shown herein.

This invention bears the following relation to three pending cases including somewhat analogous subject-matter. These are Serial No. 189,664, of January 25, 1886, and Serial No. 357,873, July 5, 1890, and in the divisional case to be filed before the issue hereof. The first of these claims as an improvement upon the main generic subject-matter of the present application, a combination of this with substitution as a species under the broad genus of automatic self-starting circuit-testing apparatus for the manually-operated apparatus herem shown and claimed as a species under the broad genus, also herein claimed.

of which the last-named application shows a more special form. The second and third applications are divisions of the present case.

Referring to the drawings in detail, A, B, E, and D represent circuit-controlling apparatus at sending-stations. These are here shown as operating to close the circuit when the receiving-station is signaled. A represents an ordinary circuit-closing switch. B and E show boxes supposed to contain time-circuitcontrolling apparatus, such as is shown in said application Serial No. 189,66 i, of'January 25, 1886, (the function of which is to keep the circuit closed a certain length of time and then automatically open it,) and D represents an automatic signal-transmitter of a type which I have in various pending applications called a spring-actuated latent signal-transmitter, of the general type shown in my Patent No. 289,834, (in contradistinction to another form of what I call latent signal-transmitter, shown in my Patent No. 292,115, which I call impulse-actuated.

The present apparatus differs from any shown in any of my patents, but has been before this shown in pending applications, from among which I instance Serial No. 14:6,447, of October 25, 1884:, now Patent No. 628A64t.

The apparatus is so organized that the act of setting it automatically closes a circuit and keeps this circuit closed until the apparatus returns to its normal condition. In the course of so returning it affects suitable receiving apparatus at the central station, so as to cause this to indicate a corresponding signal. It retains the signal as set until it is released or caused to operate from the receiving-station, as hereinafter indicated. The circuits 6 6 6 6 lead to the central station, where they have as terminals the contacts FF, &c., and a branch prolonged to end in the contact-strips T, insulated from each other on their rubber base. All of these contact-strips normally touch a common terminal which is fixed to a fulcrumed armature-lever K, whence a line 3 leads through an electromagnet C, thence to battery H. Connected to this battery in series is a second battery, whose other terminal leads through a receiver Q, line 9, magnet Y, line 4, metal arm Z, and trailing contact-brush W. Rigidly fastened to the arm Z is a wheel 00, with notches, and cooperating with this an armature-lever O, fulcrumed at P N in both of the armature-levers, represents an adjustable counterweight. The lever O is arranged to obstruct the wheel X when the magnet Y attracts its armature.

G is a bell, which is tapped by the ball or end of lever K. R R are two guides in which slides, a resetting-rod U, adapted to raise both armature-levers when it is lifted.

The mode of operation is as follows: As soon as any substation instrument, as D, is operated the circuit is closed through lines 6 1, contact T, common contact K, line 3, battery, line 2, and frame of instrument. At the beginning of the closure the electromagnet C attracts its armature, and thus breaks the common contact, which is not remade When the magnet is deenergized as a result of this break. The rod K is so balanced and adjusted that it is held in position of contact by the combined action of the Weight N and the friction of the springs T against the contact shown as mounted on the rod; but when the magnet has once attracted the armature carried by the rod the latter is pulled away, so as to break the contacts, which then remain broken until by subsequent and independent action the armature and with it the rod are carried back into contact position. At the attraction the bell is tapped, so as to call attention of the receiving operator. Subsequent sending operators could now of course close their circuits at the sending-station, as before, but as the line is broken at the receiving-station such subsequent closures would not affect the alarm. If no other annunciator is in circuit, the receiving operator has no means of knowing what substation has called. He rotates the arm Z, so that it will successively make contact with the terminals F F, &c. As long as he passes over contacts corresponding to unoperated (and hence at the distant station open) circuits no eifect is produced, but at the first terminal to an operated circuit the current passing from D 2 H Q, 9 Y 4Z to corresponding contact-terminal F and 6 energizes magnet Y, which attracts its armature, and thereby causes this to tilt over and thus by means of projection L or some equivalent therefor lock the wheel X and arm Z in position, so that this points to the contact F, corresponding to the operating-circuit and properly marked or numbered-for instance, as shown in said pending application, Serial No. 189,664, of January 25, 1886.

So far the mode of operation has been described in a manner applying to a simple circuit-closer; but if instead of a simple eircuitcloser the outlying station is supplied with a latent signal-transmitter the suitable signalaffecting mechanism at the central station would by this same stopping device be locked, so that the signal could now be received. The general mode of operation of the distant station apparatus after this has been set by the local operator is set forth in my said patents to wit, No.289,834 or No.292,115; but by pending applications, Serial Nos.14, 6,447, of October 25, 1884, and 189,663 and 189,666, of January 25, 1886, as examples, these are improved for special uses cooperating with the means set forth in the present application in that the circuit is normally open at the signaling-station and after being closed for signaling purposes is reopened magnetically at the end of the operation. Of course this indicator may be of any desired character. As soon as the signal has been received the operator pushes up the rod U, thus by means of projections J raising both armature-levers and putting the mechanism in condition for further operation. It will be seen that if another substation has set its instrument, whether this be done before the setting of the instrument corresponding to the first terminal in the path of revolution of the revolving arm or at the same time or after or during the reception of the first signal or after and before the resetting by the operator, the effect will be the samethat is, the magnet C will again be energized and by attracting its armature ring an alarm and break the main circuit, thus enabling the operator to begin as before. It will be observed that the essence of this part of the invention, stated generally, consists in connecting the receiving device by a movable member to the substation through intermediately-placed contacts and in combining therewith suitable means acting to continue the differentiating conditions in the selector, which are the results initiated by the simple act performed by the guest at several stations when setting the signal until the sweeper of the selector has had time to reach the corresponding contacts in turn, and it will also be observed that these circuit-continuing devices may be varied-as, for instance, by using non-magnetic means, as the time circuit-controllers set forth in the application Serial No. 189,664 and hereinbefore referred to-or by using magnetic meansas, for instance, magnets arranged in various Ways and located, for example, at the substations, as in various forms of latent transmitter shown in my earlier patent or as illustrated in D herein and as more fully set forth in my Patent No. 628,464, or these may be located elsewhere, as the magnets C, located at the selector in Fig. 2, and it will be noted,

further, that these devices may be entirely in the independent circuits, as at D of Fig. 1, or in a local or branch circuit, as used for magnets C of Fig. 2. It will also be observed that these circuit-continuing .means comprising magnets and connectingmechanism may be used to restore the normal circuit conditions either electrically, as by action through the magnets themselves, or mechanically, as in C of Fig. 2. This reference is to a figure eliminated by the present amendment, but of course still of record in the file, and the device thus referred to will be made the subject of the divison hereof to be filed before the issue of this patent.

mechanically or by the closure of a circuit electrically, so that it is also put back to its zero or normal condition. By signal-receiver resetter it is meant the mechanism by which the particular style of signal-receiving indicator which is usedas, for example, merely the step-by-step indicator shown in a number of analogous applications, as, for example, Serial No. 306,474, of April 8, 1889can be reset to its zeroposition or to a position which is necessary or convenient from which the succeeding signals or indications are to be counted. This is shown in other applications as produced by various means, among which are someas, for instance, said Serial No. 306,474, of April 8, 1889in which a direct mechanical connection produces this result, and others as, for instance, in Serial No. 2%,261, of August 8, 1887 in which this result is produced indirectly by means of an electromagnet. In Fig. 9 Ishow both of these means applied to one form of indicator. Thus it will be seen that the operation can continue indefinitely. I

Various changes can be made in the transmitters, receivers, circuits, alarm, and switching devices without departure from my invention, and so I do not limit myself to the precise forms shown.

I am aware of Patent No. 316,47 5 to Mc- Cullough and Patent No. 126,288 to Guernsey. These devices, like mine, have the multiple lines connecting the substations to a central apparatus having a number of independent contact points or devices corresponding to the substations and a movable member common to these; but among other points of improvement in my invention when used in con-' full operation of the signal until its deliveryis caused by cooperation of mechanism located at another point.

As stated in application Serial No. 189,664,

hereinbefore referred to, the apparatus has together with a signal representing a want of some kind. The description has been limited to this simply for clearness and simplicity of exposition. As a matter of fact, the use of various parts, as well as of the whole, and

also of the whole in connection with various other improvements has been contemplated not only for use in hotels, telephone-exchanges, and municipal telegraph systems and other systems in which a number of outlying stations are in connection with a central station, but also for use in some instances between two stations only.

I wish it to be distinctly understood that I do not wish to confine myself to the form shown in the description. A considerable departure can be made in a number of the details shown in the devices at the substations, at the central station, and in the circuits and connections between them.

I claim 1. At or in connection with each of several substations, apparatus comprising both a magnet and a circuit-closer which is thereby caused to reestablish the normal circuit conditions, and which controls other apparatus; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substationlines and arranged in a group; and cooperating therewith an arm which is movable with respect to the separate contacts, but which is guided by a support, so that its motion with respect to the contacts is limited and predetermined; a contact in turn connected thereby with all the line-contacts of the group, and

means, including a suitable source of current, acting to complete the operation of the apparatus controlled by the substation circuit closer, and simultaneously to cause the magnet to terminate this operation by restoring the original circuit conditions, substantially asdescribed.

2. At or in'c'onnection with each of several substations, apparatus comprising both a magnet and a manually-operated circuit-closer which is thereby caused to reestablish the normal circuit conditions, and which controls a responsive device at another point; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation lines; and cooperatingtherewith, amember such as an armwhich is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; devices controlled by the arm and in succession common to the various lines, and

&

including a contact cooperating with the various line-contacts, and a signal brought into operation when the arm reaches an operated a line and serving to locate said line; together with means including a suitable source of current and acting to cause the substation-magnet to reopen the closed circuit simultaneously with the termination of the signal, substantially as described.

3. At or in connection with each of several substations, apparatus comprising both a controlled de"icesuch as a magnet and a circuit-controlling device, such as acircuit-closer which controls apparatus at another station; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and cooperating therewith, a membersuch as an arm-which is movable with respect to the separate contacts but which is guided by a support, so that its motion with respect to the contacts is limited and predetermined; devices controlled by the arm, and acting after it is carried into position where it cooperates with the contact of an operated station, to establish circuit conditions by means of which receiving apparatus is controlled, and, moreover,the magnet at the corresponding station maybe brought into control from the common station as an answer to the signal sent, substantially as described.

4:. At or in connection with each of several substations, apparatus comprising both a magnet and a circuit-controller which is thereby caused to reestablish the normal circuit conditions and which controls apparatus at another point; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines, and cooperating therewith, a member such as an armwhich is movable with respect to the separate contacts, but which is guided by a support, so that its motion with respect to the contacts is limited and predetermined; devices controlled by the arm, and acting after it is carried into position, where it cooperates with the contact of an operated station to establish circuit conditions, by means of which the magnet corresponding to that substation may be brought into control from the common station, together with a notification device acting to indicate at the common station when the arm has been moved into the proper position in which the substation-magnet may be controlled, substantially as described.

5. At or in connection with each of several substations, apparatus comprising both a magnet and a circuit-controller which is thereby caused to reestablish the normal circuit conditions, and which controls apparatus at another point; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines and cooperating therewith; a membersuch as an armwhich is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; a notification device controlled by the arm and acting to locate the operated station when the arm reaches the corresponding contact; and means, including a switching device and a suitable source of current, and acting to control the restoration of the corresponding substation-controller through its magnet, substantially as described.

6. At or in connection with each of several substations, apparatus comprisingboth amagnet and a circuit-controller which is thereby caused to reestablish the normal circuit conditions, and which controls apparatus at another point; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines and cooperating therewith; a member which is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; a magnet adapted to be common to any of the substation circuit-controllers when the system is in its normal condition; and means, including a suitable source of current, whereby as the movable circuit-controller successively reaches the contacts corresponding to the substations it in turn cooperates with them to put the corresponding magnets under control to cause them to reestablish the normal circuit conditions at these substations, substantially as described.

7. At or in connection with each of several substations,apparatus comprising both amagnet and a circuit-controller which is thereby controlled and which controls apparatus at another point; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines and cooperatating therewith; a member-such as an arm which is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; and means, including a suitable source of current and a circuit connection, arranged to control the substation-magnet of an operated station, at the time when the arm reaches the contact corresponding to that station, substantially as described.

8. At or in connection with each of several substations, apparatus comprising both a magnet and a manually-operated signaling device including a circuit-controller arranged when operated to continue the abnormal circuit conditions until it is, by the magnet, caused to reestablish these normal circuit conditions, and which controls a suitable signal-receiving apparatus; cooperating circuit connections, including separate lines arranged in multiple;

connecting points or contacts corresponding to the substation-lines, and cooperating therewith; a member-such as an arm which is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; and a circuit connection which the arm brings into cooperation successively with the separate contacts corresponding to the several operated substations; together with the means, including a suitable source of current, which acts to start a substation-magnet to control the restoration of the circuit-controller at its station, While the arm remains on the corresponding contact, substantially as described.

9. At or in connection with each of several substations, apparatus comprising both a magnet and a manually-operated signaling device including a circuit-closer which is thereby caused to reestablish the normal circuit conditions, and which controls apparatus at another point; cooperating circuit connections, including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and, cooperating therewith, a membersuch as an armwhich is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; and a circuit connection which the arm brings into cooperation successively with contacts corresponding to the several operated substations, and which whenever so brought controls a signal which locates or marks the corresponding substations; together with means brought into operation while the arm continues to touch any contact, and acting to cause the corresponding substation-magnets to restore the normal circuit conditions, in succession, substantially as described.

10. At or in connection with each of several substations, a signal-transmitter; cooperating connections, including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; a receiver arranged to cooperate with the substationtransmitters; and a common contact, normally connecting with all the line-contacts; a magnet controlled from any station and acting to effect a common connection, together with means arranged and adapted to break each of these contacts at one operation, substantially as described.

11. At or in connection with each of several substations, a signal-transmitter and a magnet arranged to control it; cooperating connection including separatelines arranged in multiple; connecting points or contacts corresponding to the substationelines; a receiver arranged to cooperate with the substation-transmitters; a common contact normally connecting with a number of the line-contacts; a magnet, and

devices acting to break the common return;-

and means whereby, when one of the transmitters is brought into cooperation with the receiver, no other line can aflect this, substantially as described.

12. At or in connection with each of several substations, a signal-transmitter and a magnet arranged to control it; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines and cooperating therewith, a member such as an armmovable with respect to the separate contacts, but guided by a support so that its motion with respect to the contacts is limited and predetermined; a receiver arranged to cooperate with the substation-transmitters, and cooperating devices controlled by the arm, whereby if several'transmitters are operated within the same time limits, the relative order of cooperation of the receiver and each of these transmitters will be predetermined by the relative positions of the corresponding contacts, substantially as described.

13. At or in connection with each of several substations, a variable signal-transmitter, arranged to produce successive impulses or interruptions of the circuit; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and, oo-

operating therewith a membersuch as an armwhich is movable with respect to the separate contacts, but which is guided by a support so that its motion with respect to the contacts is limited and predetermined; a receiver arranged to cooperate with the substationtransmitters, and cooperating devices controlled by the arm, substantially as described.

14. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and cooperating therewith, a member-such as an armmovable with respect to the sep arate contacts, but guided by a support, so that its motion with respect to the contacts is limited and predetermined a variable receiver arranged to cooperate with the substationtransmitters and cooperating devices, controlled by the arm together with means for holding the arm at rest while a signal is received, substantially as described.

15. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections, including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and, cooperating therewith a membersuch as an arm movable with respect to the separate contacts, but guided by a support so that its motion with respect to the contacts is limited and predetermined; avariable receiver arranged to cooperate with the substation-- transmitters; and cooperating devices controlled by the arm together with magnetic means for stopping the arm, substantially as described.

16. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and cooperating therewith, a member-such as an arm-movable with respect to the separate contacts, but guided by a support so that its motion with respect to the contacts is limited and predetermined; a separate branch from each contact, a common contact cooperating with several of these branches, and means for breaking the common connection; a receiver arranged to cooperate with the substation-transmitters, and cooperating devices controlled by the arm, substantially as described.

17 At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections, including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines, and cooperating therewith, a membersuch as an armmovable with respect to the separate contacts, but guided by a support so that its motion is limited and predetermined; a separate branch from each contact, a common connection cooperating with several of these branches; amagnet controllable from any corresponding substation and operating to control this common contact; a receiver arranged to cooperate with the substation-transmitters, and cooperating devices controlled by the arm, substantially as described.

18. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connectionsincluding separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines, and cooperating therewith, amembersuch as an arm movable with respect to the separate contacts, but guided by a support so that its motion with respect to the contacts is limited and predetermined; and a separate branch from each contact, a common connection 00- operating with several of these branches; and means for breaking the connection simultaneously at the branches and thus disconnecting the lines at each branch; a receiver arranged to cooperate with the substation-transmitters, and cooperatingdevices controlled by the arm, substantially as described.

19. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines, and cooperating therewith, a membersuch as an arm-movable with respect to the separate contacts but guided by a support so that its motion with respect to the contacts is limited and predetermined; a separate branch from each contact and a common connection cooperating with several of these; a magnet controlling the common connection, and means whereby the action of the magnet will break the branches simultaneously; a receiver arranged to cooperate with the substation-transmitters; and cooperating devices controlled by the arm, substantially as described.

20. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections, including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines; and cooperating therewith, a member-such as an arm-movable with respect to the separate contacts, but guided by a support so that its motion with respect to the contacts is limited and predetermined; a receiver arranged to cooperate with the substation-transmitter; a return connection controlled by the arm, the contacts being also arranged to cooperate with a return connection other than that controlled by the arm, substantially as described.

21. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines, and cooperating therewith, a Inembersuch as an and-movable with respect to the contacts, but guided by a support, so that its motion with respect to the contacts is limited and predetermined; a receiver arranged to cooperate with the substation-transmitters; and cooperation devices controlled by the arm, and including a return connection, the contacts being also arranged to cooperate with a return connection other than that controlled by the arm; and devices acting to disable this return as to several contacts at once, substantially as described.

22. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; this apparatus being arranged so that it is normally on open circuit, and that the circuit is closed when the transmitter is in condition to operate; cooperating connections including separate lines arranged in multiple; connecting points or contacts corresponding to the substation-lines, and cooperating therewith, a membersuch as an aria-movable with respect to the separate contacts, but guided by a support so that its motion with respect to the contacts is limited and predetermined; a receiver arranged to cooperate with the substation -transmitters, and cooperating devices controlled by the arm;

and means whereby the magnets of the transmitters are caused to reopen the circuit thereat after the termination of a signal and means for holding the arm at rest until suchtermination, substantially as described.

23. At or in connection with each of several substations, a variable transmitter; cooperating circuit connections including separate lines arranged in multiple; connecting points or IO contacts corresponding to the substation-lines; and cooperating therewith, a membersuch as an arinmovable with respect to the separate contacts, but guided by a support so that its motion with respect to the separate con- 5 tacts is limited and predetermined; cooperating devices controlled by the arm; a magnet common to the transmitters, and a locking device controlled thereby and acting to lock the arm into operative connection with any substation-contact, substantially as described.

24. At or in connection with each of several substations, a variable signal-transmitter and a magnet arranged to control it; cooperating circuit connections, including separate lines 5 arranged in multiple; connecting points or contacts corresponding to the substation-lines; cooperating therewith, a common connection for the same, arranged to be broken, and a variable signal-receiver arranged to cooperate 3 with the substationtransmitters, whereby, after the common connection is broken, the operation of all other transmitters is suspended while the receiver is connected to one transmitter, substantially as described.

3 5 25. At or in connection with each of several substations, a signal-transrnitter and a magnet cooperating therewith; cooperating circuit connections, including separate lines for each station arranged in multiple; and at a com- 4 mon station, means including a signal-receiving device cooperating therewith and with the connections to these substations, and devices acting to affect the apparatus at the substations at a single operation; and means where by where one substation cooperates with the receiver, the control of the other substations is suspended, substantially as described.

26. A system comprising a central station connected to substations by independent lines 5 in multiple; at each substation a mechanism adapted and arranged to vary its control over the central apparatus according to the manner in which the said substation apparatus has been set; a central apparatus comprising a 5 5 member representing each substation; a movable member adapted to cooperate in turn with two or more of these; a device responsive in turn to the substation mechanism in accordance with the manner in which these have been set and brought into operation successively by the movable member; means for causing any two of these mechanisms at the substations to cooperate with the responsive device non-simultaneously and in a fixed order;

together with means for postponing the cooperation of all the mechanisms which may have been set and the common device until the latter is enabled to cooperate with each in turn.

27. In combination with a series of circuit- 7 closers at substations, independent lines radiating therefrom to a common station; a central apparatus comprising a series of circularly-disposed contact-terminals for each substation, a common contact arranged to 006perate with the contacts, one at a time; a branch line for each such contact leading to a second terminal the latter being arranged in a group together with a common circuit-closer arranged and adapted to contact with all of these latter terminals simultaneously and means for simultaneously separating the contacts of said group from the common circuitcloser.

28. In combination with a series of circuitclosers at substations, independent lines radiating therefrom to a common station; a central apparatus comprising a series of circularly-disposed contact-terminals for each substation, a common contact arranged to coop- 9o erate with the contacts, one at a time; a branch line for each such contact leading to a second terminal the latter being arranged in a group, together with a common circuit-closer arranged and adapted to contact with all of these latter terminals simultaneously and magnetically-controlled means for simultaneously separating the contacts of said group from the common circuit-closer.

29. At or in connection with each of several substations, a device for sending a signal to a distant station, and a device responsive to actuation from a distant stationmeans for bringing such responsive device into action only if the signal at its substation is operated, whereby it acts as a return-signal to the sending operator; independent lines from the substations to a group of independent devices, each corresponding to a substation; a movable member, guided and supported so that it will cooperate in turn with the independent devices corresponding to operated substations; at a common point a receiver arranged to be in turn responsive to the signals from the substation when placed in correspondence therewith through the action of the movable member, and acting to locate the operated stations separately; means for holding the movable member at rest at the point of its travel corresponding to an operated substation; together with means whereby the movable member will cooperate in turn with the return-signals at the substations which have signaled.

' 30. A signaling system comprising a series of lines from substations to a common pointan electrically-operated indicating device adapted to cooperate with the several substations, a circuit-closer at each substation; a device including a group of independent elements, one

for each line, and a movable memberas an arm-guided and supported so as to have a definite motion with respect to the group of elements; a series of independent magnets, each corresponding to one of said elements and its corresponding circuit-closer and cooperating therewith upon the operation of the indicating device; the whole so arranged, adjusted and related that the motion of the arm with respect to the independent elements will determine the order in which the signal-recei vin g device will respond to the control from the substations and the order in which the respective magnets will operate to terminate the control of the signal given by their corresponding substations respectively.

31. At several sending-stations a signaling device comprising a circuit-closer normally open; a manually-operating device for closing same; a magnet cooperating in the restoration of the normal conditions; separate lines leading to contact-terminals; a movable member cooperating with. the said terminals, and with a source of current and a return-wire; all cooperating so that when the movable device reaches the terminal corresponding to an operated circuit-closer, it causes the magnet to control the restoration of the signal; a guide and support for the movable device, whereby its motion is predetermined with reference to the group of contacts; and a responsive device brought into connection with each line in turn.

32. At or in connection with each of several substations, a device for sending a signal to a distant station, and a device responsive to actuation from a distant stationmeans for bringing such responsive device into action only if the signal at its substation is operated, whereby it acts as a return-signal to the sending operator; independent lines from the substations to a group of contacts, a movable device carrying a sweeper, and guided and supported so that it will cooperate in turn with all the contacts by testing them successively; at a common point a device responsive to the signals from the substation, and arranged to be connected in turn at the contacts by cooperation of the movable devices therewith, and acting to locate such stations separately means for holding the movable device at rest at the point of its travel corresponding to an operated substation; together with means whereby the movable device will cooperate in turn with the return-signals at the substations which have signaled.

33. An annunciating system comprising a central apparatus including a group of terminals normally in one electrical condition; means including a circuit-closer at each of several substations, and a separate line from each substation to the central apparatus, arranged and adapted to cooperate with other elements in producing an abnormal circuit condition for the terminal corresponding to an operated substation; a magnet corresponding to each terminal and substation arranged and adapted to cooperate in the subsequent restoration of the normal condition of such terminal; a movable device-as an arm-with a support and guide, arranged to cooperate in turn and in a fixed order with the abnormally affected terminals; means brought into operation by such cooperation between the movable device and each terminal when the latter is in abnormal condition and arranged and acting to locate the operated substation; together with means for causing the corresponding magnet and the movable device to cooperate in the restoration of the normal condition of the terminals in turn.

34. An annunciating system comprisinga central apparatus including a group of terminals normally in one electrical condition; means including a circuit-closer at each of several substations and a separate line from each substation to the central apparatus, arranged and adapted to cooperate with other elements in producing an abnormal circuit condition for the terminal corresponding to an operated substation; a magnet corresponding to each terminal and substation, arranged and adapted to cooperate in the subsequent restoration of the normal condition of such terminal; a movable deviceas an arm with a support and guide, arranged to cooperate in turn and in a fixed order with the abnormally afi'ected terminals; an electrically-responsive indicating device brought into operation by such cooperation between the movable device and each terminal when the latter is in abnormal condition, and arranged and acting to locate the operated substation; together with means for causing the corresponding magnet and the movable device to cooperate in the restoration of the normal condition to the terminals in turn.

35. A signaling system comprising a number of contacts normally on open circuit, means including for each contact a circuitcloser at each of several substations, and in circuit with each such closer a magnet, cooperating to control the duration of the energization of the contact corresponding to an operated substation, an arm,supported,guided and propelled by means independent of the actuation of the substation circuit-closers and constructed and operating to pass the contacts in turn, a responsive device connectible to the responsive contacts by the arm and adapted to respond and thus locate a substation immediately when the arm reaches an energized contact; and means for restoring the normal condition of the contact independently ofsubsequent action by the sending operator.

36. An annunciator for locating substations which have signaled, comprising a receiving device responsive to a current-flow; a movable memberas an arm movable independently of the actuation of a substation, and being electrically connected to said receiver and arranged and adapted to connect it in turn to a series of contacts or devices representing the respective substations; a manual circuit-closer at each substation, constructed so that a person when signaling closes the circuit thereat; means for causing this act to control the energization of the contact representing that station, together with means for continuing this energization for a-period independent of the action of the operator at the substation and means for restoring the normal conditions of the system independently of his action, all arranged so that during the motion of the movable member the energized contacts Will be caused to cooperate with the receiver and to locate the corresponding operated substations in turn.

' 37. At each of several substationsavariable signal-transmitter and a magnet arranged and adapted to cooperate with it in its actuation; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations and including sep-' arate devices corresponding to substations, and a common device arranged and adapted to cooperate with the separate devices of operated substations non-simultaneously and in a fixed order.

38. At each of several substations a variable signal-transmitter and a magnet arranged and adapted to release it by means of circuit connections controlled at a distant centralstation; suitable circuit connections to a central station at which is apparatus controlled by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations and including separate devices corresponding to the substations, and a common device arranged and adapted to cooperate with the separate devices of operated substations non-simultaneously and in a fixed order.

39. At each of several substations a variable signal-transmitter and a magnet arranged and adapted to release it by means of circuit connections controlled at a distant central station; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations, and including separate contacts corresponding to the substations, and a movable device arranged and adapted to cooperate with the separate contacts of operated substations non-simultaneously and in a fixed order, together with a magnet at the central station and means controlled thereby for stopping'the movable device when it reaches the contact corresponding to an operated substation.

40. At each of several substations a variable signal-transmitter and a magnet arranged and adapted to release it by means of circuit connections controlled at a distant central station; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations, and including separate contacts corresponding to the substations, and a movable device arranged and adapted to cooperate with the separate contacts of operated substations non-simultaneously and in a fixed order, and continuously as long as it is in motion in one direction, together with a magnet at the central station and means controlled therebyi'or stopping the movable device when it reaches the contact corresponding to an operated substation.

41. At each of several substations a variable signal-transmitter constructed to operate on make and break of a circuit, and a magnet arranged and adapted to cooperate with it in its actuation; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn;v together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations and including separate devices corresponding to substations, and a common device arranged and adapted to cooperate with the separate devices of operated substations non-simultaneously and in a fixed order.

42. At each of several substations a variable signal-transmitter, and a magnet arranged and adapted to cooperate with it in its actuation; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and-the transmitters at the respective substations and including separate devices corresponding to substations, said cooperations being secured through a line including one of such separate devices and the substation-magnet, and a common device arranged and adapted to cooperate with the separate devices of operated substations non-simultaneously and in a fixed order.

43. At each of several substations a variable signal-transmitter, and a magnet arranged and adapted to cooperate with it in its actuation; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations and including separate devices corresponding to substations, and a common device arranged and adapted to co-. operate with the separate devices of operated substations non-simultaneously and in a fixed order and constructed and arranged to be held Ice at rest in connection with one of the said separate devices from the beginning until the end of its cooperation with one of the transmitters.

44. At each of several substationsavariable signaltransmitter,and a magnet arranged and adapted to cooperate with it in its actuation; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations and including separate devices corresponding to substations, and a magnetic device common to the stations, but located at the central station and called into cooperation upon the actuation of the substation-transmitter, and a common device arranged and adapted to cooperate With the separate devices of operated substations nonsimultaneously and in a fixed order.

45. At each of several substations a variable signal-transmitter constructed to operate on make and break of a circuit, and a magnet arranged and adapted to cooperate with it in its actuation; suitable circuit connections to a central station at which is apparatus controllable by the transmitters in turn; together with means for securing successive cooperations of the controllable apparatus and the transmitters at the respective substations and including separate devices corresponding to substations, said cooperations being secured through a line including one of such separate devices and the substation-magnet, and a common device arranged and adapted to cooperate with the separate devices of operated substations non-simultaneously and in a fixed order and constructed and arranged to be held at rest in connection with one of the said separate devices from the beginning until the end of its cooperation with one of the transmitters.

46. At or in connection with each of several substations, a circuit-controller normally on open circuit through two contacts, means for closing these manually and for keeping them closed, and a magnet in series with the contacts when closed and in circuit with an independent line to a central station and operating through this line to reopen the contacts; at the central station a contact-terminal for each such line, a controllable device constructed to be controlled by such substation device only while its magnet is in circuit with its terminal; a movable member acting electrically to connect the said device to the independent line by way of the corresponding contact-point; together with means for securing such cooperation in a fixed order and successively and for separately locating the operated substation when it is so connected and prior to such connection of a subsequentlyconnected similar substation.

47. At each substation a variable signaltransmitter, means for manually setting it,

and a magnet arranged to control its operation and restoration, independent lines to a central station having a receiver adapted to cooperate with any transmitter, and a device having a guide and support arranged to cooperate with the receiver and with the lines in a fixed order; together with means for securing the cooperation of the transmitter and operated receiver in turn whereby any transmitter may be set at any time, but will only be restored or actuated in an order determined by the operation of other transmitters.

48. At or in connection with each of several substations a variable signaling apparatus normally on open circuit and comprising a circuit-controller and a motor and a magnet controlling the same, means for setting the 1 same to remain on closed circuit and for restoring the normal condition of the magnet; independent lines to a central apparatus comprising a series of contact-plates each corresponding to a circuit and all in the path of a contact-sweeper carried by a rotatable arm and arranged to test each of such plates in turn; a signal-receiver connected in succession to each plate and line through the arm; a device controlled by the setting of any transmitter; together with a current source and connections whereby as the arm successively reaches each plate it will test the same and each transmitter which has been set will be released by its magnet when the arm reaches the corresponding plate.

49. At or in connection with each of several substations a circuit-controller normally on open circuit, means for closing the same and for keeping it closed, and a magnet controlled through an independent line to a central station for reopening it; at a central station a contactpoint for each line, a controllable device connected to a movable member and adapted and arranged to cooperate With each operated line in a fixed order; a support and guide for the movable member, together with means for separately controlling each substation apparatus and for separately noting and locating the operated substation at the central station and at the time when the central station controllable device is connected to the substation.

50. At.or in connection with each of several substations, a circuit-controller normally on open circuit, means for closing the same and for keeping it closed, and a magnet controlled through an independent line to a central station for reopening it; at a central station a contactpoint for each line, a controllable device connected to a movable member and adapted and arranged to cooperate with each operated line in a fixed order; a support and guide for the movable member, together with means for separately controlling each substation apparatus and for separately noting and locating the operated substation at the central station and at the time When the central station controllable device is connected to the substation; combined With a magnet cooperating with a movable member.

51. At or in connection with each of several substations, a circuit-controller normally on open circuit, means for closing the same and for keeping it closed, and a magnet controlled through an independent line to a central station for reopening it; at a central station a contact-point for each line, a controllable device connected to a movable member and adapted and arranged to cooperate with each operated line in a fixed order; a support and guide for the movable member, together with means for separately controlling each substation apparatus and for separately noting and locating the operated substation at the F. BENEDICT HERZOG.

Witnesses:

N. P. BEERS, PHILIP HERZOG.

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