An Improved System of Telephonic News Transmitter.
Year: 1892

page_text: Date of Application, 14th Dec., 1892
Complete Specification Left, 14th Sept., 1893—Accepted, 3rd Feb., 1894
PROVISIONAL SPECIFICATION.
An Improved System of Telephonic News Transmitter.
I, THEODOR PUSKAS, of 10 Badgasse, Budapest, in the Kingdom of Hungary,
Gentleman, do hereby declare the nature of this invention to be as follows:-
This invention relates to a system of telephonic news transmitter and has for its
object to so adapt the said system that it can be used for any desired number of
subscribers and can be advantageously carried out as an independent system.
According to the present improvements the induction coils hereinafter named
receiver coils are actuated by currents of a higher order, whereby it is rendered
possible to use a single telephone transmitter for any number of receivers or in
other words to transmit the voice of the speaker to any desired number of places;
and each receiver coil is arranged at the receiver's place or in its vicinity. By
combining the aforesaid two features with each other I may produce an independent
telephonic news transmitting system which enables any number of subscribers to
be served by a comparatively small number of conductors.
In order to actuate the receiver coils by currents of a higher order I arrange, in
the case of a comparatively small number of subscribers, an intermediary induction
coil between the battery connected with the transmitting apparatus and the
receiver coils so that the primary windings of said intermediary coil are traversed
by the current of the said battery whilst its secondary windings are in electric
connection with the primary windings of the receiver coils. This can be effected
by connecting the primary windings of each receiver coil with the secondary
windings of the intermediary coil by a special conductor, or else by including the
secondary windings of the intermediary coil and the primary windings of all the
receiver coils in a common conductor. With this mode of construction the receiving
apparatus are actuated by currents of the third order. This arrangement may also
be so modified that the subscribers are divided into groups, each group served by
an intermediary coil, and the primary windings of all these intermediary coils
included in the circuit of the transmitter battery. If a great number of subscribers
are to be supplied with news I may, on the basis of the last described mode of
construction, form a number of such groups served by intermediary coils, and
supply the primary windings of the intermediary coils with a current through the
secondary windings of another intermediary coil through the primary windings of
which flows the current of the transmitter battery; the receiver apparatus in this
case receives currents of the fourth order. This arrangement may also be used for
the formation of groups and several such groups actuated by the currents of the
secondary windings of a newly added intermediary coil the primary windings of
which are traversed by the current of the transmitter battery; the receiver
apparatus are then actuated by currents of the fifth order. By the continued
formation of such groups and connection of the same with each other through a
newly added intermediary coil a very considerable number of subscribers may be
served by a single transmitting apparatus without any one of them being interfered
with as regards the strength of sound of his apparatus or disturbed in any way.
A number of such systems may also be provided and each of them served by a
separate transmitting apparatus all the transmitting apparatus being arranged
within the range of the voice of the speaker. Several receiver apparatus can also
be connected as may be desired with each receiver coil.
Dated this 14th day of December 1899

page_text: COMPLETE SPECIFICATION.
An Improved System of Telephonic News Transmitter.
I, LOUIS FELBERMAN of 157 Strand London W.C. Newspaper Editor,
Administrator of the late Theodor Puskas and Lawful Attorney of Sophie
Puskas the widow of the said Theodor Puskas, do hereby declare the nature of
this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
My invention relates to the system of telephonic news transmitter, described in
the Specification of British Letters Patent No. 13702 A.D. 1892 granted to
me and has for its object to improve the system in such a manner that it can be
used for any desired number of subscribers and can be advantageously carried out
as an independent system.
According to the present improvements the induction coils, hereinafter named
"receiver coils," are actuated by currents of a higher order, whereby it is rendered
possible to use a single telephone transmitter for any number of receivers, or in
other words, to transmit the voice of the speaker to any desired number of places;
and each receiver coil is arranged at the receiver's place or in its vicinity. By
combining the aforesaid two features with each other I may produce an independent
telephonic news transmitting system which enables any number of subscribers to
be served by a comparatively small number of conductors.
In order to actuate the receiver coils by currents of a higher order I arrange, in
the case of a comparatively small number of subscribers, an "intermediary
induction coil" between the battery connected with the transmitting apparatus
and the receiver coils, so that the primary windings of said intermediary coil are
traversed by the current of the said battery whilst its secondary windings are in
electric connection with the primary windings of the receiver coils. This can be
effected by connecting the primary windings of each receiver coil with the
secondary windings of the intermediary coil by a special conductor, or else by
including the secondary windings of the intermediary coil and the primary windings
of all the receiver coils in a common conductor. With this mode of construction
the receiving apparatuses are actuated by currents of the third order. This
arrangement may also be so modified that the subscribers are divided into groups,
each group served by an intermediary coil, and the primary windings of all these
intermediary ccils included in the circuit of the transmitter battery. If a great
number of subscribers are to be supplied with news I may, on the basis of the
last described mode of construction, form a number of such groups served by
intermediary coils and supply the primary windings of the intermediary coils with
a current through the secondary windings of another intermediary coil through the
primary windings of which flows the current of the transmitter battery; the
receiver apparatus in this case receives currents of the fourth order. This
arrangement may also be used for the formation of groups and several such groups
actuated by the currents of the secondary windings of a newly added intermediary
coil the primary windings of which are traversed by the current of the transmitter
battery; the receiver apparatus are then actuated by currents of the fifth order.
By the continued formation of such groups and connection of the same with each
other through a newly added intermediary coil a very considerable number of
subscribers may be served by a single transmitting apparatus without any one of
them being interfered with as regards the strength of sound of his apparatus or
disturbed in any way.
A number of such systems may also be provided and each of them served by a
separate transmitting apparatus, all the transmitting apparatuses being arranged
within the range of the voice of the speaker. Several receiver apparatuses can
also be connected as may be desired with each receiver coil,

page_text: In one accompanying drawings are diagramatically represented some examples of
carrying into practice the described improvement.
Fig. 1 shows a system with the receivers being acted upon by currents of the
third order.
Fig. 2 represents a modified form of the system actuating the receivers by
currents of the third order.
Fig. 3 illustrates a system the receivers of which are sounded by currents of the
fourth order.
Fig. 4 is a diagram of a system in which one of the receiver coils is used for
actuating three receivers.
In all the figures the same letters of reference are employed to indicate equivalent
parts.
With reference to Fig. 1 in which for sake of simplicity the system is supposed
to contain but six receiver coils, T is the transmitter included in the circuit S of
the battery B located at the telephonic news office, and H', H2, H³, H*, H³, H
are the receiver coils. The secondary windings s of each one of these coils are
connected by wires D', D2, D3, D', D', D' respectively to a receiver (the several
receivers being omitted from the drawing), whilst by the wires E, E¹, E², E³, E',
E, E they communicate with the ground. The primary windings p of all of the
six receiver coils are connected in series with each other and with the secondary
windings of an induction coil, V, thus forming a second circuit S'. The primary
windings of coil Y are placed in the circuit S of the transmitter battery B.
The induction coil V is what I call an "intermediary coil." Supposing the
transmitter T to be spoken into, the current of the battery B in passing through
the primary windings of the intermediary coil Y generates in the secondary
windings of the same currents of the second order. These in circulating in the
circuit S that contains the primary windings p of the receiver coils H', H2, H³,
Hʻ, H³, Hº, produce in the secondary windings s of the same currents of the third
order which currents pass from each individual receiver coil into the receiver
combined therewith. It will readily be seen that there is no metallic contact
between the secondary windings of the several receiver coils so that each receiver
is independent of the other ones, as required.
In the modification shown in Fig. 2 sixty receiver coils are supposed to be excited
by one transmitter. These sixty receiver coils are divided into ten groups for
instance, comprising six receiver coils, H'-H, each. The primary windings p of
all of the receiver coils of each group are connected in series with each other and
with the secondary windings v¹ of an intermediary coil thus forming a circuit S'.
As there are ten groups of receiver coils, there are also ten such intermediary
coils V, V, V, V, V, V, V, V, V, V10. The primary windings of these ten
intermediary coils are all placed in the circuit S of the transmitter battery.
In Fig. 3 are again sixty receiver coils divided into ten groups containing six
receiver coils each, each individual group being served by the secondary windings v
of an intermediary coil respectively V1, V2-V. Instead, however, of being
located with their primary windings v in the circuit S of the transmitter battery B,
these intermediate coils are themselves divided into two groups for instance, of five
coils each, one group containing the coils V-V, and the other one the coils V-V10,
the primary windings of each of these two groups of intermediary coils are
connected in series with each other and with the secondary windings 3 of an
additional intermediary coil Vo, forming a circuit So. The primary windings of
said additional coils, of which there are two, form parts of the circuit S of the
transmitter battery. From this it results that the circuit So is traversed by currents
of the second order and the circuit S¹ by currents of the third order, so that the
currents sent into the receivers are of the fourth order.
For the sake of clearness the connections of the secondary windings S of the
receiver coils have been omitted in Figs. 2 and 3.
In Fig. 4 is shown a system in which each receiver coil is connected by a special
conductor to an intermediary coil in common to all receivers, and in which for

page_text: instance one of the receiver coils supplies several receivers with current. T is the
transmitter apparatus included in the circuit S of the battery B, and V the
intermediary coil. H1, H2, H3 are three receiver coils of which each is connected
with the secondary windings v of the intermediary coil V by special conductors h',
,, respectively. The receiver coil H2 operates with the currents of its secondary
windings's three receivers H H H.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed, I declare that what I
claim is :-
1. In a telephonic news transmitter the combination, with a battery, a transmitter
included in the circuit of the same and receiver coils connected each by their
secondary windings to one or more receivers, of one or more additional induction coils
or a system of such coils arranged to connect the primary windings of the said
receiver coils with the transmitter and its battery, substantially as and for the
purpose specified.
2. In a telephonic news dispenser the combination of a battery, a transmitter
included in the circuit of the same, one or more additional induction coils or a
system of such coils dependent upon the transmitter, and receiver coils connected
by their primary windings with the secondary windings of said induction coil or
coils or to the last secondary windings of the said system of induction coils and
connected each by their secondary windings to one or more receivers, the said
receiver coils being located at or near the subscribers' places substantially as
specified.
Dated this Lith day of Sentember 1893.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, Agents for the Applicant.