DE28743C - Device for telegraphing using the MlCHELA typewriter. (Depending on patent no.9240.) - Google Patents

Description

IMPERIAL

PATENT OFFICE

PATENT LETTERING

CLASS 21: Electrical apparatus.

Depending on patent no. 9240. Patented in the German Empire on October 31, 1883.

The purposes of the present invention are certain useful improvements in transmission visible signs (signals) by means of electricity.

All attempts so far made for improving the rapid passing of visible Signs made by means of electricity concerned either the adoption of so-called Automatons or they sought to improve the more reliable and rational ones Method of multiplex telegraphy.

The success of quadruplex telegraphy made this latter method correct put above all doubt.

The present invention now relates to the combination of the system of multiplex telegraphy with a shorthand method, in such a way that in this way and with the help of corresponding machines, which are connected to the electricity conductors or sources are brought to one or more distant stations signals or transmissions thereby emitted that these signs can be obtained by a shorthand method fixed and reproduced.

For the present case, the inventor prefers the application of the under the name »Michela« known shorthand system and the typewriter patented for it before.

This system and the principle of these machines allow compilation and recording in every language on a strip of paper by means of stenographic signs, without any the surgeon needs to know the language in question with the same speed how any language can be pronounced so that one is able to use up to 230 words in the Minute to fix.

The characters of Michela’s shorthand system are of elementary form, such as B. the row:

•: υ ι η 1.

These six characters can be arranged in whole or in part one below the other in such a way that that one can obtain any desired number of combinations which is necessary in order to to be able to express oneself clearly and unequivocally in any language. Further is the system in question and the machine used for it as the subject of the D. R. P. No. 9240 known from September 24, 1878 and has been described in detail in the related patent and it is now intended to be shown the way in which the inventor passed on the visible signs of this Lautirmethode is effected at any distance by means of electricity:

Fig. Ι shows the apparatus in side view,
2 shows the side view of an intermediate station and in M and N the typewriter with its electrical connections in front view and in section,

Fig. 3 the whole system in outline,
4 shows the station B of FIG. 3 on a larger scale,. .

5 shows station C of FIG. 3 on an enlarged scale,

6 shows station A of FIG. 3 on an enlarged scale.

In FIG. 1, C denotes the transmitting station and A denotes the receiving station.

The stenographic machine has 20 keys K and below each key is an electromagnet E , which is provided with a spiral of low resistance (approximately 5 ohms). The armature X of the electromagnet is attached to the lower side of the K keys.

The commutator F is arranged for the interruption of the local current, and RR are ordinary relays, which, with their BEZW. Provided lines, generate a local current which encloses the 20 electromagnets EE , which are located below the 20 keys K , to which the latter the armature of the electromagnet is attached.

The wires 1, 2 and 3, which are drawn in dotted lines, form the local current, and the solid wires 4, 5, 6, 7, 8 and 9 form the line line. G is a short secondary line (shunt).

H is a battery or an electricity source for the line line and / one for the local currents; L, Fig. 5 and 6, is a commutator connected to the line line in order to establish a short line across the keys K in connection with the shunt G , C and A, Fig. 3, form the end stations and B, Fig. 3 , is an intermediate station which is equipped with a stenotelegraphic machine, the electrical lines of which are arranged in such a way that the station can only serve as a receiving station and not also as a transmission station.

Theoretical diagram D, Fig. 3, illustrates the principle of the present invention for switching the apparatus or the stenotelegraphic machine into the electrical line in such a way that it can serve either only as a receiver or also as a receiver and manipulator.

A solenoid cable is used for the line line in such a way that 20 strands (line wires) are rotated around a nucleus, which, isolated from the nucleus and from each other, each connected to the relay of its lines is. The return currents all go through the "core of the solenoid, which in this way forms the common conductor for all 20 strands and a metallic solenoidal circuit for each individual or for ten electrical currents at the same time, depending on the case whether they went through one strand or ten strands at the same time.

The inventor knows very well that a Mr. Orazio Lugo is one of his times The electric circuit formed by a solenoid was patented, and this is why it is not made the least claim to the application of the same for the present invention, but although the inventor will always prefer a conductor of solenoidal shape, so is it but it is also not ruled out that the electric circuit is made by the earth line or by a metallic and parallel conductors closed and thus affects the present invention can be.

Since the last-mentioned aids are very easy to apply in practice, the inventor does not consider it necessary to show this application in a special diagram. Another very important point in the present invention is formed by the connection of individual or more electromagnets with just as many electric buttons on which the latter in the manner shown in the drawing, the fittings of the BEZW. Electromagnets are attached in such a way that these keys can serve both as interrupters of currents for the generation of signals at remote stations, as well as by means of the local commutators for short secondary lines or shunts and electromagnets for the movement of levers, which are part of the stenographic machine Record signals or phonetic characters obtained from other stations. Now, if the various parts of the apparatus are among themselves in the one shown in FIGS. 1 and 3, where C is the sending station and A is the receiving station, the operation and the direction of the electric current take place as follows:

If a button K of station C is pressed, the current goes through the wires 4 and 5 to station A, the relay R (station A) attracts its armature and thereby closes a local current, which, through the windings of the electromagnet E (station A) going, polarizes the latter, so that it likewise attracts its anchor X , which is attached to the latter below the key K (station A).

By lowering the key K while tightening the anchor X , which is firmly connected to it, a lever Y is moved, which in turn is connected to one of the 20 stalks (stems) O , which the shorthand characters have to produce on a strip of paper, the two- P is passed through the apparatus (Fig. 2, M and N). As soon as key K on station C is released, the current is interrupted, the armature of relay R (station A) goes back, electromagnet E is depolarized and releases its armature X , whereupon key K of station A in their initial position goes back.

During this second operation, the strip of paper on which the characters should be brought forth, transported in a suitable manner so much farther that the impressions or signs produced during the following operations are evident place a certain space separately under each other.

As can be seen from Fig. 1, the commutator F of station C is open and the line current takes its path, starting from wire 6, through relay R (station C), through wires 7 and 8, key K, wire 9 , Terminal 10, wire 4, battery H and wire 5 to the other station A.

It should be noted here that the shunt G on station C is also open, whereas the same line G of receiving station A and commutator F of this station are closed. The path the line current takes, coming from wire 6, goes from there through terminal 11, relay R, shunt G (station A), wire 12, terminal 13, wire 14, battery H and wire 15 to wire 5 of ward C.

When station A becomes the sending station, the shunt G is switched off and the commutator F of this station is open, whereby the local current is interrupted; On the other hand, on station C , which becomes the receiving station, both the shunt G and the commutator F are closed. The local current goes through the armature of the relay R, the shunt G is conductively connected to the wire 7 and forms a secondary line for connecting the line line through wire 8, button K, wire 9 and terminal ι ο; In this way the current coming from wire 7, connected to shunt G , goes through wire 16, wire 4 etc. and completes the circuit via line 5, 15, 14, 12, shunt G, relay R (station A) , Terminal 11, Wire 6, Relay R (Station C), and Wire 7.

Thus, by depressing key K on station A , exactly the same thing is achieved as was described above in relation to station C. It is clear that when the line is established in the manner described, the relays on both stations A and C come into operation, and that, if the local commutators F of both stations remain closed, no key is released on either station can, because the local current formed by the two relays RR on both stations, polarizes the two electromagnets E , whereby the keys K are held down and the emission of any other signal is prevented.

It is therefore absolutely essential that the local current is interrupted at the transmitting station. What in the foregoing in relation to only one button of one or the other station was said, of course, applies to all other keys and you can as a result, by pressing several keys at the same time, as many Characters or characters on the resp. Bring out strips of paper.

In Fig. 3 it can be seen how the commutator F and also the secondary line (shunt) G are open and not in a conductive connection in station C, which is intended as a transmitting station.

At station B, which is only intended as a receiving station, the commutator F is closed and the relays of the station are connected to the 20 wires of the solenoid in such a way that, no matter which keys of station C are pressed, the fittings of the corresponding ones are through the established line Relays are energized on the line that resp. Local currents belonging to the key are closed, the respective electromagnets polarized and attract their armature connected to the key; the consequences of this are the effects already described above.

With the commutator open, the current will pass through the relays as before, but without any sign of any kind being given or received on the stenographic machine; the machine of this station is then only arranged as a receiver. D represents a theoretical diagram in which it is shown in which way the apparatus of an intermediate station can serve as a receiver as well as a transmitter at will and also does not have to perform any of these functions. In the circuit shown, the current, coming from one of the line wires of the line, takes its way through wire 17, relay R, commutator L of the line line and wire 18 to the line.

If the local commutator F and the secondary line or shunt G are closed at the same time, the local current is closed by the armature of the relay R and the button K is depressed (pulled) in the manner described above, which then turns the station into the receiving station.

If you want to use the same intermediate station as a transmitting station, it is sufficient to open the local commutator F, the secondary line (shunt) G and the commutator L of the line line; the current then, coming from wire 17, goes through the relay, wire 19, contact of button K; Wire 20 and wire 18 to the line, and the station thus becomes the sending station.

It is clear that all the local commutators of the other receiving stations, as well as the shunts G of them, must be closed.

Station A is taken into account in the drawing as a receiving station and is set up exactly as it appears from view A in FIG.

In the previous arrangement, the buttons carrying the armatures of the electromagnets and described the electromagnets themselves switched into the circuit of a local current, however, they can just as well be switched into a line current.

Except for the value that the present invention has for multiplex telegraphy has, it has, among other advantages, that one can with its help is set in the state, the device described also for telephone purposes to be able to use.

It can e.g. B. the receptor of a telephone line with ease in such a way connected to the ear or placed next to it, so that the surgeon can stenotelegraphic machine immediately and quickly every received shipment on a Fix strips of paper directly or by stenotelegraphic means to one or more more distant ones Stations can continue to send.

Without listing still further essential advantages, which by the present invention are offered, lies in the possibility of receiving telephone transmissions immediately write down resp. To be able to retransmit, such a significant improvement in telephony even that the inventor can do it to himself undivided and without further instructions for use give reservations.

In the end it goes without saying that this stenotelegraphic method and Apparatus in duplex or quadruplex telegraphy as well as in multiplex telegraphy Can be used.

Claims (1)

Patent claim: The illustrated electrical connection of Michela’s typewriters, in which mediate the commutators and the secondary lines the buttons both as a receiver and can serve as a transmitter. For this purpose 2 sheets of drawings.