This patent by George Lakhovsky was granted after his death in 1941.  It is presented for historical purposes to show the evolution of Lakhovsky's designs from his original Multiple Wave Oscillator patent granted in 1934.
 
 
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Patented June 13, 1944                                                2,351,055

                           UNITED STATES PATENT OFFICE

                                   2,351,055

                         TUBE FOR PRODUCING MULTIPLE WAVE
                                    LENGTHS

                        George Lakhovsky, New York, N. Y.;
                   Anne-Marie Louise Lakhovsky, administratrix
                      of said George Lakhovsky, deceased,
                    assignor to Henry S. Blum, Chicago, Ill.

               Application November 21, 1941, Serial No. 420,006

                             11 Claims. (Cl. 250-33)


        This invention relates generally to electric devices excited by
electric impulses and more particularly to multiple wave length conducting
and/or producing means. This invention has for its primary object the
provision of such means disposed within a vacuum tube or a tube containing
rare gas or gases.

        My work over a period of more than 20 years has led me to the belief
that there is a great need for means conducting and/or producing multiple
wave lengths which may be employed in many industrial and medical fields.
Suitable apparatus for producing waves of various lengths is disclosed in
my U. W. Letters Patent No. 1,962,565, dated June 12, 1934. Embodiments of
this apparatus have been in use the world over. Because of the need for
simplification in such apparatus so that it may be handy and easily used by
persons lacking skill in electrical matters, I have concluded that by
providing one unit which incorporates oscillation generating means and
another in which the wave lengths are produced, the apparatus may be more
universally used in the treatment of cellular life in therapy, in the aging
or treating of liquids and in other industrial fields.

        The present invention deals with those units, preferably combined
with one another and constructed as a portable device and as stated above,
has for its major object the provision of a unitary multiple wave length
producing and/or conducting device in the form of a vacuum tube.

        The present invention further contemplates the incorporation in
such a tube, of means for varying the effect of wave lengths, or selectively
employing the means therefor enclosed in or forming part of said tube.

        This invention further seeks to provide a tube of the indicated
type incorporating means for generating oscillations.

        Another object of the invention is to provide a single unit which
contains an oscillation generator, which produces waves of definite
frequency, and further inductance mans each permitting emanation of wave
lengths of various values.

        The structural features of my invention also form a material part
of this disclosure, the objects and advantages being attained in structures
such as shown in the accompanying drawing, which exemplifies the invention.
The following specification, based on said drawing, more clearly points out
the purposes and advantages of my invention.

        In the drawing:

        Fig. 1 is a vertical, partial sectional, partial elevational view
        of a tube incorporating features of my invention.

        Fig. 2 is a similar view of an alternate form thereof.

        Fig. 3 illustrates in a similar manner a modified form of my
        invention.

        Fig. 4 is a fragmentary sectional view of a modification made in
        accordance with the invention.

        Fig. 5 is a similar view of another modification.

        Figs. 6 and 7 are sectional views illustrating type of wires used
        in either of the forms of my invention as shown in Figs. 1, 2 and 3.

        Fig. 8 is a partial sectional, partial elevational view
        illustrating a tube incorporating a plurality of grids and
        selective capacity means for varying the effects of said grids.


        Fig. 9 is a similar view of a tube, such as shown in Figs. 1 or 2
        and incorporating oscillating or vibrating means.

        In that form of my invention shown in Fig. 1, there is provided a
sealed preferably transparent envelope (10) made of glass or like material
affixed in the usual manner to a screw or Edison plug (11). The latter is
conventionally provided with a shell terminal (12) and a central terminal
(13). The support of seal (14) of the tube serves to hold wires such as
(15) and (16) which connect to the terminals (12) and (13).

        Connected to the wires (15) and (16) is a primary inductance member
in the form of a loose coil (17) which may be disposed axially of the
envelope (10), as shown. The upper end of said member (17) forms a tight
wound coil (13) which serves to radiate the strongest induced wave lengths.

        Surrounding the primary inductance member (17), there are arranged
a plurality of separate coils of wire each being of different length and
capacity. Thus, I provide a coil (19) having greatest capacity and successive
coils (20), (21), (22), (23), (24) and (25), each having less capacity the
the preceding coil. These coil (19) to (25) form secondary inductance means
each permitting emanation of a wave length of different magnitude and
value than the other.

        I may support the secondary coil in several ways. As shown, I
prefer to provide a dielectric member such as a glass sleeve (26)
surrounding the primary inductance wire member (17) and to mount the
secondary coils (19) to (25) on the outer surface of said sleeve, leaving
the coil (18) exposed at the top thereof. In order to effectively support
and centralize the glass sleeve (26), I provide spacing washers (27) and
(28) of mica or the like, top and bottom, and provide a supporting
cross-piece (29) on the lower portion of the wire (17).

        The tube above described may be employed as indicated for the
treatment of cellular structures by connecting it to any one of the rings
in the electrostatic field of high frequency, such as shown in said U. S.
Letters Patent No. 1,962,565, each of the coils (18) to (25) producing by
induction a different wavelength, as can be understood.

        In the form of my invention shown in Fig. 2, the envelope (10a) is
somewhat differently shaped, and the wire (17a) straight instead of
arranged as an open coil. In other respects, the structure follows that
described with reference to Fig. 1.

        As show in Fig. 3, there may be arranged a plurality of open rings
(30), (31), (32), (33), (34), (35), (36), (37), (38), (39) and (40) in
frustro-conical form, for instance, with the largest of said rings at the
top and the smallest one adjacent the bottom. I have shown said rings as
supported, for instance, by glass posts (41) and (42), said posts being
supported on the seal (14b), as by a band (43). I provide extensions for
the terminal wires (15a) and (16a) and connect said extensions (44) and
(45) to the upper ring (30) and the next lower ring (31), respectively.

        The rings (30) and (31) may become the primary inductance members,
whereas the remaining rings constitute the secondary inductance members as
before set forth. Electric current conducted to the suitably spaced rings
(30), (31) will cause a spark (48) to be drawn between the rings (30) and
(31) providing oscillations emanating from electrical discharges
there-between and causing the radiation of waves of various lengths within
the envelope (10b) and affecting the remaining rings.

        In Figs. 1 and 2, I have shown the secondary coils as formed of
wires having uniform cross-section. Fig. 4 illustrates how such wires may
be made progressively smaller in the succeeding coils (19c), (20c), and
(21c), etc. In such various manners, the wave length producing effect of
the secondary coils or rings may be arrived at.

        The secondary coils or rings may be round or somewhat flattened
wire as shown in Fig. 6 or tubular as in Fig. 7, offering a yet greater
flexibility of design.

        The devices of Figs. 1 and 2 above described may be incorporated in
the system shown in said U. S. Letters Patent by connecting one of the
rings (a), (b), (c), (d), (e), or (f) with plug (11) of Fig. 1, since
either terminal (15), (16) is in contact with primary inductance member
(17). To this end a conductor (not shown) connects such a ring with said
plug or socket.

        In Fig. 8, I have shown a modification of the invention which
comprises a vacuum tube (50) containing a plate (51) and a plurality of
different wave lengths producing grids (52), (53), and (54). I connect each
grid with a variable capacity device, such as (55), (56), and (57) carried
by said tube (50) and preferably by its base support (62), whereby the
grids may be selectively connected into an operating circuit (not shown) by
means of the respective prongs (58), (59), and (60), and the place prong
(61). Heating or other exciting means may be incorporated in the tube in a
well-known manner. This combination tube (50) is designed to replace a
plurality of known tubes each operating with different and variable wave
length effect, more exterior manipulation at said base support brings about
change of the capacities (55), (56), and (57) and cutting in one or more of
the grids (52), (53), and (54).

        The effect of the spark as produced in form of the invention
depicted in Fig. 3 may be further utilized in Fig. 9 in which I also
incorporate a vibrator (62) which produces electrical oscillations by a
spark intermittently generated between the end of the primary inductance
member (17d) and vibrator armature (64). In other respects the structure
follows that of Fig. 1.

        It may be noted that any type of spark producing or oscillation
generating means may be substituted for the vibrator shown. The tubes shown
in Figs. 3 and 9 may be used in the manner described for Fig. 1 by
connecting one terminal of the base as set forth to produce an induction
effect. These tubes may be also connected across both terminals with a
suitable potential to obtain the spark effect.

        From the foregoing it may be seen that I have provided tubes in
various forms for the purpose of generating and conducting multiple wave
lengths. Other forms of the invention may be produced within the spirit and
scope of the invention as claimed.

        Having thus described my invention, what I claim as new and desire
to have secured by Letters Patent, is:

        1. A device of the character described comprising a vacuum tube
having an envelope and base, primary inductance means, and a plurality of
separate secondary inductance means of different length for radiating waves
of various lengths extending above said primary inductance means, all said
inductance means being arranged within said envelope.

        2. A device of the character described comprising a vacuum tube
having an envelope and base, a primary inductance member axially arranged
in said envelope, and a plurality of secondary inductance members spaced
apart and independent from each other each member surrounding a respective
portion of said primary inductance member and within the field of influence
thereof.

        3. A device of the character described comprising a vacuum tube
having an envelope and base, a primary inductance member axially arranged
in said envelope, and a plurality of secondary inductance members each
surrounding the primary inductance member and within the field of influence
thereof, each of said secondary inductance members having a different wave
length effect than the others.

        4. A device of the character described comprising a vacuum tube
having an envelope and base, a primary inductance member comprising a pair
of split rings in inductive relation, and a plurality of secondary
inductance members each comprising split rings.

        5. A device of the character described comprising a vacuum tube
having an envelope and base, a primary inductance member comprising a pair
of split rings in inductive relation, and a plurality of secondary
inductance member each comprising split rings, said latter rings being
arranged in different planes and being of different length to produce a
different wave length effect.

        6. In a device of the character described, means for producing
multiple wave lengths comprising a wire member, enclosing dielectric means
for said member, and a plurality of separate wire coils of different
lengths on said dielectric means and in the field of inductance of said
wire member.

        7. In a device of the character described, means for producing
multiple wave lengths comprising a wire member, enclosing dielectric means
for said member, and a plurality of wire on said dielectric means and in
the field of inductance of said wire member, each coil extending over said
wire member and having a different number of convolutions than the others.

        8. In a device of the character described, means for producing
multiple wave lengths comprising two split rings in inductive relation, and
a plurality of split rings in inductive relation to the two split rings.

        9. In a device of the character described, means for producing
multiple wave lengths comprising two split rings in inductive relation, and
a plurality of split rings in inductive relation to the two split rings,
the plurality of rings being of smaller diameter than the mentioned two
rings and each progressively smaller than the others.

        10. In a device of the character described, means for producing
multiple wave lengths comprising two split rings in inductive relation, and
a plurality of split rings in inductive relation to the two split rings,
the plurality of rings being of smaller diameter than the mentioned two
rings and each progressively smaller than the others, all of the rings
being arranged in frusto-conical disposition.

        11. In a vacuum tube having a primary inductance member and
secondary inductance members, a vibrator arranged in the field of influence
of said primary inductance member and secondary inductance members, a
vibrator arranged in the field of influence of said primary inductance
member for affecting the induction of said secondary members.

                                                    GEORGE LAKHOVSKY
Figures for patent 2,351,055