US1768065A - Combined phonograph and radio apparatus - Google Patents

Description

June 24, 1930. P. HORNING, JR 0 COMBINED PHONOGRAPH- AND HADYIO APPARATUS Filed Jilly 27, 192.2 ;2 Sheets-Sheet 1 June 24, 1930. .L. P. HORNING; JR 1,7

COMBINED PHONOGRAPH AND RADIO APPARATUS v Filed July 27, 1922 2 Sheets-Sheet 2 I p 1i y i j F945 Si j 0 en f Patented June 24, 193G ear s errata LOUIS P. HORNING, JR, OFELIZABETE, NEW' .InRsnY, ASSIG'NOR 'ro vxorron'rnrxrns" MACHINE COMPANY, or CAMDEN, nnw JERSEYLA CORPORATION on nnw JERSEY" COMBINED rnonoennrn Application filed July 27,

This invention relates to a combined phonograph and radio "apparatus, and-has for itsprimary object to combine such instrumentalities in cooperativerelation, within a single cabinet. 3

Another object is to'provide in such apparatusa common amplifier, having communication both with the phonograph mechanism and the radio apparatus, and in which either lathe phonograph mechanism or the radio ap paratus may be used at will, either separately or in combination. f 1

- Still another object of the invention is to construct a phonograph cabinet in such manner, that the lower portion thereof, commonly utilized as a record-storing space, may be employed to carry the radio apparatus.

, A further object is to so construct and arrange the cabinet and mechanism,'that the phonograph will not lose its identity as such,

and at the same time, the apparatus will be thoroughly reliable and eflicient for radio use. A still further object is to so construct the radio apparatus that-it will be conveniently accessible for repair or replacement of parts, and particularly to enable the batteries to be removed without removing or disturbing the other parts.

It is also an object to provide a cabinet 4 construction in which the radio parts may be concealed when in use, so that the same willbe protected" and will have theappearance of an ordinary cabinet phonograph. To this end, the radio apparatus in the present embodiment is mounted upon amovable panel adapted to be swung upon hinges, to expose the .parts for repair or replacement, and which, when not in use,.is concealed behind outer" swinging doors. Still another object is to provide a radio apparatus incombination with the amplifying horn of a phonograph, and which is particularly adapted to producesounds which, when amplified in the horn, will be emitted with their natural volume and quality, and without the necessity of, in any way, changing the horn inits characteristics for phonograph amplification. I

With the above and other objects in view,

Ann .nenro APPARATUS- 1922. Serial No. 577,9;41.

an embodimentof the invention is shown 1n the accompanying drawings, and this em bodiment will be hereinafter more fully described with reference thereto, and the .invention will be finally pointed out in claims.

In the drawings Figure-l is a Vertical sectional view of a cabinet, embodying a phonograph mechanism combined with a radio apparatus and a common amplifier, constructed in accordance with the present invention;

Fig. 2 is a detail sectional view-of a portion of the sound conveying tubes and sound-am- -pl1fie r,' formed according to amodification of the invention, in which the apparatus is adapted for recording or for sending sound, either from the phonograph or the radio-rece vmg apparatus; i

Fig. 3 is a perspective view of a modification, having doors for concealingthe radio apparatus and showing the same closed, that is, when the radio apparatus is notin use; Fig. it is a similar View, and showing the outer doors opened to expose the radio-control panel;

Fig. 5 is another perspective view showing the radio-control panel swung outwardly to expose the parts of the apparatus carried upon its inner side, and the connections to the batteries and radio receivingmember;

F ig. 6 is a horizontal sectional view along the line 66 of Fig. 3; and Fig. 7 is a wiring plan of the radio apparatus employed.

Referring to the drawings-,' The-cabinet 5 is of the usual phonograph type, and is divided by a partition 6 (Fig; 1), lnto an upper amplifier-containing compart-' ment 7 and a lower compartment 8. An ainplifier 9 of the horn type is mounted in the compartment 7, its forwardly diverging end ppening in a sound outlet 10, in which there are disposed a plurality of pivotally mounted shutters-11, adapted to control or regulate the volumeof sound emitted. At its inner end, the horn is connected by a tapered tubular portion 12 to the tone-arm 13 of the phonograph mechanism, mounted upon the motor-board 14.. This mechanism is mountparticular and edgupon the upper side of the cabinet, and is adaptedto be normally closed by a hinged lid 15.

The tubular portion 12 is curved laterally from its upper end connected to the tone-arm,

into connection with the end of the amplifying horn, and has integrally formed therewith a downwardly extending tapered tubular portion 16, extending through an opening 50 of the partition 6, and being curved at its upper end in substantial continuity with the passage through the amplifying horn, arid in opposed relation to the tubular portion 12, which is also curved in substantial continuity with said passage. The opening "50 has its walls out of contact with the tubular portion 16, so that the whole sound-conducting and amplifying structure is supported from the motorboard. The acoustical advantage of this is that said structure is free from contact with the partition 6,8.I1dWll-l, therefore,- neither transmit vibrations to nor receive vibrationsfrom the cabinet structure,- particularly that 'part of; the structure carrying and housing the radio apparatus, which would be deleteriously affected by said vibrations. At the point of connection of thetubular portions '12 and 16, thecontiguous portions thereof form a sound-guiding bailie, or Web, 17 adapted to guide the sound emanating from the soundreproducer of the phonograph mechanism to the amplifying horn, after passing downas a Magnavox. unit.

wardly through the tubular portion 12; and, on the other hand, directing the sound emanating from the radio-receiving member 18 into' the amplifying horn, after passing upwardly through the tubular portioni16. The

amplifying horn is sound insulated from the tubular portions 12 and 16, by means of a gasket"5 1,of rubber, felt, or other suitable insu-' lating material, held between the flanged portions 52 and-53, and secured by bolts 54. Me-

talLic vibration, generated within the walls of the tubes 12 and 16, is thus prevented from 1lacing transmitted to and amplified in the At the lower end of the portion 16, there is-secured a receiver 18 for the radio appara: .tus, which may be of any suitable type, such The radio apparatus is mounted upon a front panel 19, disposed at the forward side ofthecompartment 8, and eithenbodily re-' movable, orhingedly mounted, as shown, in

the manner of adpor, to permit of convenient access to the apparatus within the compartment, '(see Fig.5). The panel 19 (Fig. 1) may have its front face constructed of wood,

' to correspond with the general finish of the cabinet, and it is preferably backed. by a panel-board20 of suitable insulating materialsuch, for example, as bakelite. I r

The horn 9 is of the usual sizeand proportion to produce aproper reproduction of phonographicsound, and it has been discovered,

as a part of this invention, that by means of the particular arrangement of-rad'io apparatus employed, this same horn can be used to efliciently amplify the sound produced through radio communication, Without, in

anyway, changing the horn as regards its necessary and inherent characteristics--for phonograph amplification. p

In particular, the radio apparatus, employed herein, is shown diagrammatically in the'wiring plan (Fig. 7), and the parts themselves are illustrated in the several views .of f the cabinet. The several elements of the radio apparatus are mounted upon. the inner side of the panel-board 19,- and comprise an audion bulb 21, a variable condenser 22, two

variometers' 23 and 43,'a variocoupler 24, a resistance 44, a grid condenser 45, and a switch- 416 connected-in the circuit, between the filament ofthe audion bulb and the positive side of the A battery. A B battery 31 is also provided in the circuit. Upon the rear wall of the cabinet, there are secured'terminals 32, -'by means of whi'ch the apparatus is connected to the anten'na, or aerial,'and the. ground. These various elements of the radio apparatus are connected by suitable wiring,

and are adapted tobe controlled and adjusted .by means of exposed k'nobs'25, provided upon the panel-board, as

is usual in radio apparatus.

'It has been found, in practice, that the ra N dio-receiving apparatus,--arranged and con-- structed in accordance with-this invention, 1

and which may be characterized as having one stage of. taudio-frequency,-combined with the receiver of the Magnavox type, is peculiarly suited to generating radio-commu mcated sound which, when subjected to the further amplification provided by the phonograph-type horn 9, is emitted from the apparatus with full volume and tone quality, and

in its-true and natural phonetic valuesf Thus,

the horn, whileimaintaining its phonograph characteristics, is adapted to' 'efiicient use with the radio apparatus 7 In the embodiment disclosed in the draw-*1 ings, the panel19, mountingthe" radio apparatus, is setback in the cabinet, and is hinged i shows the closed position of the doors, and

' in which the a pparatushas the appearanceof an ordinary phonograph cabinet. v

. Fig. 4 shows the position with the doors 28 and 29 opened to expose the radio-panel, preparatoryto tuningin to receive a-radio messagegand Fig. 5 showsv the radio-panel swung to open position, and in which position the various parts of the apparatus are conveniently accessible for repairv orreplacement.

Therear wall 33 of the cabinet is hingedly mounted at 34 (Fig. 6), to permit access to the interior of the radio compartment from the rear, and particularly so that the batteries may be readily removed for re-charging or change, without disturbing the other parts of the apparatus.

The invention provides a combination,

phonograph and radio apparatus,in which either or both may be operated at will, and independently of the other, and in which the sound-amplifying horn is'common to both-thereby providing a compact apparatus, completely enclosed b a cabinet, for producing or receiving soun The shutters 11 permit of the control of the sound, either as to its volume or direction. The invention provides, at the same time, a highly scientific sound-producing instrument and a very attractive article of furniture.

As herein shown, the radio equipment is for receiving electrical impulses and translatin thesame into audible sounds which are amplified-by the arm 9, and for these purposes I- have shown a radio receiving set of a well known type which includes a radio receiver 18 supported by the amplifier member 16 which, as shown, depends from the amplifier 9 into the compartment '8 of the cabinet. The invention is not limited, however, to the use of a radio receiving set in connection with a phonograph mechanism, for the reason that said invention includes, also, a radio sending mechanism by which audible sounds emitted from or reproduced by the phonograph mech-' anism may be conducted from the reproducer and the tone arm by conduit 12 and through conduit 16 to a microphone supported by said conduit 16, in which case the valve 37 of F igure 2 is adjusted to close the inlet to the amplifier 9', and amicrophone replaces the radio receiver 18 of the 'conduit 16, it being understood that a radio sending equipment is substituted for the radio receiving set herein described and illustrated more particularly in Figuresl', 4, 5, 6 and 7, of-

the drawings.

In Fig. 2, there is illustrated a modification of the invention, in whichthe three-way horncomprising the amplifier 9, its throat or smaller end only being shown in this View, and the tubular portions 12 and 16, extending to the phonograph and radio apparatus,

respectively,.is provided with a pivotally mounted sound-directing or sound-bafiiing web 35, which may be turned by means of a knob 36, projecting through to the outside of the cabinet for convenientmanipulation,

into one or the other of the dotted line positions shown, to direct the sound from either the tubular portion 12 or the tubular portion 16, to the amplifier, as desired. "It may also be turned into substantially vertical po- I sition, so as to permit of, the free passage of sound from one of said tubular portions to the other,.so that, upon occasion, the

phonograph reproducing mechanism may be utilized as a sound source for transmitting from the apparatus electrically, in which case the parts within the compartment 8 would be designed for sending purposes, as distinguished from receiving. Qn the'other hand, the sound-reproducing mechanism of the phonograph maybe substituted in.wellratus, adapted to record upon a wax record the'sounds received by the radio-receiving set. During such operations, the sound-amplifying horn 9 may be in communication with the passages through the tubular portions 12 and 16, or it may be cut oif by means 05 a swinging bafile 37 controlled by a knob 3 There are illustrated preferred and satis factory embodiments of the invention, but it is obvious that changes may be made therein known manner, by a sound-recording appajustable so that the phonograph'mechanisin and the radio apparatus are in communication.

3. In combination, a phonograph mechanism,a radio apparatus, a common amplifier therefor, means for guiding the sound from either the phonograph mechanism or radio apparatus to the amplifier without passing to the other, said means being adjustable so that the phonograph mechanism and the radio apparatus are in communication, and means for cutting off communication between said phonograph mechanism and the ampli- I fier, and between said radio apparatus and the amplifier.

4. In combination, a cabinet, a phonograph mechanism carried in the upper part of the cabinet, an amplifier below said. mechanism and in communication therewith, a compartment in said cabinet having a movable panelv forming a wall thereof, radio apparatus carried by the said panel within said compartment, and means forming sound communication between said radio apparatus and said amplifying means.

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