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Patented June 12, 1934                                                1,962,565



                           UNITED STATES PATENT OFFICE



                                   1,962,565



                       APPARATUS WITH CIRCUITS OSCILLATING

                           UNDER MULTIPLE WAVE LENGTHS



                        Georges Lakhovsky, Paris, France



               Application November 13, 1931, Serial No. 574,907

                              In France Mav 2, 1931



                              7 Claims. (Cl. 250-33)



        The present invention has for its object an apparatus capable of

sending out simultaneously different wave lengths so that among these

waves or their harmonics there is found almost always one or several

capable of producing the best effect sought for any application whatever.



        There is used for that purpose the property of open circuits having

a fundamental or natural self induction and capacity to oscillate upon a

well determined wave length if they are excited by electric impulses

emanating from discharges of any source.



        The radiating part of the system, producing waves of various

lengths, is therefore constituted by a certain number of concentric open

rings of different diameters, which are maintained insulated by any

appropriate means. These rings may or may not be terminated by small

spheres forming capacities.



        These rings may be arranged either in the same plane or in different

planes so as to form any surfaces, such as portions of cones, spheres,

paraboloids, ellipsoids, etc. ..., these surfaces being of a nature to

concentrate the waves in a determined direction in the manner of a

reflector, for example.



        These rings may be fed by any producing device whatever of high

frequency, for example, a combination comprising a trembler coil (or any

other transformer) and a high frequency circuit provided with a

self-induction coil and a capacity.



        One or several points of this high frequency circuit is or are

connected to the end of one or several of the rings forming the radiating

apparatus. The other rings not connected are excited by induction.



        The complete apparatus (coil, high frequency circuits, rings,

etc. ...), may be mounted in a box or upon a small board capable of

sliding along a guide or rocking so as to be able to be placed in the

most convenient position.



        In the accompanying drawing, by way of example, not limitative,

there is shown:



        Fig. 1 a diagram of the system.



        Fig. 2 the position of the rings in the form of a cone.



        Fig. 3 the apparatus mounted upon a foot or base.



        In Fig. 1 there is seen at T the transformer or coil (P the primary,

S the secondary of this coil), V, the screw of the trembler, C the

condenser the discharge of which across the spark gap E produces

oscillations in the self-induction coil L1, which in its turn acts by

induction upon the self-induction coil L2; this self-induction coil L2

is connected on one side to the first exterior ring "a", on the other side

to the following ring "b". It thus forms an electrostatic field of high

frequency which induces oscillations in the other rings "c", "d", "e", "f".



        As a modification, L2 may be suppressed and the rings "a" and "b"

may be connected each to one of the ends of L1.



        One of the ends, or even any point of the self-induction coils L1 or

L2 may likewise be connected to any one of the rings.



        Fig. 2 shows the arrangement of the rings in the form of a cone.



        The open circuits "a", "b", "c", ..., "f" can be constituted by solid

conductors.  They can also be tubular circuits, this being advantageous,

since, for the same bulk, the radiating surface is larger. Finally, the area

of the cross section of each of these various circuits can vary from one

circuit to the other for instance, this area can decrease from the periphery

(ring "a") to the center (ring "f") of the radiating system.



        Figs 3 shows the apparatus mounted upon a foot A along which it can

slide, in order to be placed at any desired height and upon a hinge B

which allows it to be oriented upon the horizon.



        I claim:-



        1. An apparatus adapted to produce electric fields of high frequency

having multiple wave lengths, comprising a high frequency producing

device, a series of high frequency radiating circuits constituted by

concentric insulated split rings of different diameters, the split ends

being spaced from each other and terminating with small spheres.



        2. An apparatus adapted to produce electric fields of high frequency

having multiple wave lengths, comprising a high frequency producing

device, a series of high frequency radiating circuits constituted by

concentric insulated split rings of different diameters and terminated by

small spheres forming capacities.



        3. An apparatus adapted to produce electric fields of high

frequency having multiple wave lengths, comprising a high frequency

producing device, a series of high frequency radiating circuits

constituted by concentric insulated split rings of different diameters

and arranged in one and the same plane the split ends being spaced from

each other and terminating with small spheres, in staggered position as

regards adjacent rings.



        4. An apparatus of the type described comprising a base, a plate

slidably mounted on said base, a support pivoted to the said plate, a

series of open and insulated, high frequency radiating circuits mounted

on the pivoted support, and a high frequency producing device for the

excitation of the said circuits.



        5. An apparatus adapted to produce electric fields of high frequency

having multiple wave lengths, comprising a high frequency producing

device, a series of high frequency radiating circuits, said circuits

being open, insulated, and having dimensions different from each other.



        6. An apparatus adapted to produce electric fields of high

frequency having multiple wave lengths, comprising a high frequency

producing device, a series of high frequency radiating circuits arranged

in the same plane, said circuits being open, insulated, and having

dimensions different from each other.



        7. An apparatus of the type described comprising a transformer, a

high frequency energizing circuit fed by the said transformer and

provided with a self-induction coil and a capacity, a series of open and

insulated high-frequency radiating circuits having dimensions different

from each other, and inductive connection between two of these radiating

circuits and respectively each of the poles of the outgoing element of

the high frequency energizing circuit.





                                                    GEORGE LAKHOVSKY
(APPARATUS WITH CIRCUITS OSCILLATING UNDER MULTIPLE WAVE LENGTHS)
June 12, 1934 C. LAKHOVSKY 1,962,565

APPARATUS WITH CIRCUITS OSCILLATING UNDER MULTIPLE WAVE LENGTHS

Filed Nov. 13, 1931
APPARATUS WITH CIRCUITS OSCILLATING UNDER MULTIPLE WAVE LENGTHS

 

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