Improvements in Coin Freed Telephonic Apparatus.
Year: 1892

page_text: Date of Application, 21st Mar., 1892
Complete Specification Left, 21st Dec., 1892-Accepted, 21st Jan., 1893
PROVISIONAL SPECIFICATION.
[Communicated from abroad by CHARLES HERMANN, of No. 50, Boulevard
Magenta, Paris, France, Manufacturer.]
Improvements in Coin Freed Telephonic Apparatus.
I, HAROLD SIMS JOSEPH BOOTH of Nos. 6 and 7 Cross Lane, St. Mary-at-
Hill, Eastcheap in the County of London, Merchant, do hereby declare the nature
of this invention to be as follows:-
It is often desirable that a person in a restaurant or hotel or in his house, or
elsewhere should be able to hear telephonically music or speech going on at a
distant concert room, theatre or other place.
This invention relates to apparatus so arranged that a person on introducing a
coin of predetermined value can for a certain time be in telephonic communication
with the distant place or with one or other of a number of such places. The
apparatus for this purpose consists of three parts suitably connected electrically to
operate in the following manner.
The first part is a telephonic transmitter of any suitable known kind conveniently
placed to be acted on by the music or speech that is to be transmitted. This
transmitter is connected, it may be along with a number of other transmitters in
other places, each by separate conductors to the second part of the apparatus which
is situated in a convenient central station. This second part of the apparatus
consists of suitable batteries with a set of suitable switches by which an operator
can put any one of the lines from the transmitters in connection with a number of
lines leading to hotels or other places where the third or receiving parts of the
apparatus are situated; and the switches may be so arranged that the act of
switching on one of the transmitter lines may move at each of the receiving stations
an indicator showing which concert room, theatre or other place is in telephonic
connection for the time.
The third or receiving part of the apparatus consists of the indicator above
mentioned, if such is employed, a telephonic receiver and time mechanism so
arranged that, on introducing a coin and moving a suitable push or handle, a person
winds up and starts the time mechanism and at the same time makes electrical
connection for his receiver by which he can hear the distant music or speech for
the period determined by the time mechanism, after which that mechanism stops
and reopens the telephonic circuit.
The receiving part of the apparatus can be made light and portable, easily
moved to different parts of a room, where it may be electrically connected with
fixed conductors.
In this case, the indicator may be a separate instrument connected permanently
to these conductors.
ABEL & IMRAY,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Coin Freed Telephonic Apparatus.
I, HAROLD SIMS JOSEPH BOOTH of Nos. 6 and 7 Cross Lane, St. Mary-at-
Hill, Eastcheap in the County of London, Merchant, 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 :-
It is often desirable that a person in a restaurant or hotel, or in his house or

page_text: elsewhere, should be able to hear telephonically music or speech going on at a
distant concert room, theatre or other place. My invention relates to apparatu
so arranged that a person on introducing a coin of predetermined value can for a
certain time be in telepbonic communication with the distant place or with one o
the other of a number of such places. The apparatus for this purpose consists of
three parts.suitably connected electrically to operate in the following manner.
The first part is a telephonic transmitter of any suitable known kind conveniently
placed to be acted on by the music or speech that is to be transmitted. This trans
mitter is connected, it may be along with a number of other transmitters in other
places, each by separate conductors to the second part of the apparatus which
is situated in a convenient central station.
This second part of the apparatus consists of suitable batteries with a set of
suitable switches by which an operator at the central station can put any one of the
lines from the transmitters above mentioned in connection with a number of lines
leading to hotels or other places where the third or receiving parts of the apparatus
are situated; and the switches may be so arranged that the act of switching on
one of the transmitter lines may move at each of the receiving stations an indicator
shewing which concert room, theatre or other place is in telephonic connection
for the time.
The third or receiving part of the apparatus consists of the indicator above
mentioned, a telephonic receiver and time mechanism so arranged, that on introducing
a coin and moving a suitable push or handle a person winds up and starts the time
mechanism and at the same time makes electrical connection for his receiver by
which he can hear the distant music or speech for the period determined by the
time mechanism, when that mechanism stops and reopens the telephonic circuit.
The receiving part of the apparatus can be made light and portable easily moved
to different parts of a room where it may be electrically connected with fixed
conductors. In this case the indicator may be a separate instrument connected
permanently to these conductors.
As the first and second parts of the apparatus are well known, that is to say the
telephonic transmitters, and the switches by which any of the conductors from
these can be put in connection with conductors leading to the hotels, houses or
other places where receivers are provided, it is unnecessary to describe
these parts.
The accompanying drawings shew a coin freed apparatus suitable for the
receiving part of the apparatus as I shall now describe.
Fig. 1 is a perspective view of the exterior case.
Fig. 2 is a plan with cover of the case removed.
Fig. 3 is a side view of the coin freeing mechanism and
Fig. 4 is a side view of the indicating mechanism as seen from the interior of
the casing.
Within a casing A, which has a hinged cover B secured by a lock, is situated
clockwork C which may consist of any suitable train driving a flyer F. A push or
plunger P passes through the cover B its stem bearing on one arm L of a bell
crank lever which is retracted by a spring T and bears against a contact spring E.
On the same pivot as the levers L L is a toothed segment S gearing with a
pinion S' the spindle of which is connected by a ratchet and pawl to the driving
wheel of the clockwork C. In the cover B there is a slot B₁ for introducing a coin,
which descends a shoot B' into a pocket B³ attached to the segment S where it
rests on a ledge of the lever arm L, in front of the upper part of that arm.
now pushing down the plunger P the arm L' bears against the coin, and as the coin
is engaged in the pocket B³, this pocket and the segment S to which it is attached
are moved forward, turning the pinion and extending the spring H. At the same
time by the movement of this segment .S an electrical contact is made by a spring E¹
which was previously bearing on an insulated part E' of the segment S. The
contact thus made by E' forms one electrical connection with the spring of a switch
or jack G so that on inserting at G' a plug connected by flexible conductors to an
Оп

page_text: ordinary telephone receiver, connection is made to the telephone line, when, on
releasing the plunger P, the lever L L' moves back making contact again with E
and allowing the coin to drop from the pocket B³ to the bottom of the casing. The
segment S is then drawn back by the spring H but is retarded by the flyer F to an
extent determined by the size of the flyer and the speed of its revolution. These
conditions may be so adjusted that the back stroke of the segment S shall occupy
5 minutes, on the expiration of which time the spring E' comes again to bear on
the insulated contact E2 and the circuit of the telephone receiver is thus opened.
As shewn in the drawings an index I is attached to the pocket B and points to
the number of minutes on a dial, this index travelling gradually back with the
pocket B and segment S. On the side of the casing there is a dial K having
marked on its segmental divisions the names of the various concert rooms, theatres
or other places with which the central station communicates. The operator at
that station by a series of electrical impulses of sufficient strength transmitted by
the telephone line to an electromagnet M causes a number of vibrations of a spring
armature lever N which acting on a ratchet pinion O turn the index Q to some one
of the divisions of the dial K, so as to inform the person using the telephone receiver
whence the sounds which he hears are proceeding. The electrical connections are
from the central station by line wire to R and through the coils of the magnet M
which is not influenced by the ordinary telephonic impulses, from these coils
connection is made by the jack G, spring E', segment S, spring E to earth or
return line.
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-A coin freed telephonic apparatus consisting of a set of telephonic transmitters
situated where music or speech is going on and connected by conductors to switches
at a central station, conductors from these switches to separate receiving apparatus
by which, on inserting a coin and moving a push or handle, the conductor leading
to this apparatus is electrically connected to a telephonic receiver, and maintained
in connection for a time determined by clockwork wound by the movement of the
push or handle, substantially as described.
2-In the receiving apparatus above referred to, the combination of the push or
plunger, the lever on which it acts, the coin pocket, the segment, the pinion and
the clockwork, arranged and operating substantially as described.
3-In the receiving apparatus above referred to an electromagnet having its coils
in the line, its spring armature ratchet and index pointing on a dial to shew whence
the sounds proceed substantially as described.
Dated this 21st day of December 1892.
ABEL & IMKAI,
Agents for the Applicant.