US959100A - Aerial conductor arrangement for wireless telegraphy. - Google Patents

Description

G. VON ARGO. AERIAL CONDUCTOR ARRANGEMENT FOR WIRELESS T ELEGRAPHY. APPLICATION FILED NOV. 1, 1906.

959, 1 00. Patented May. 24, 1910.

Laz r AM WWW. kw-MW divide suc pacity area.

enone V08 4300, or BERLIN, GERMANY.

AERIAI'OONDUGTOB ABRANGEHENT-IOl TELEGRAPHY.

Specification. 01' Letters Patent.

- Patented May 24, 1910.

Application filed November 1, .1906, Serial No. 341,573.

To all whom it may cancem:

Be it known that I, Guess Gm VON Anoo, engineer, a subject of the Kin of Prussia, residing at Berlin, Germany, ave invented certain new and useful Im rovements in and Connected with -Ae ria Conductor Arrangements for Wireless Telegraphy, of which the following is a full, clear, and exact description, reference bein had to the accompanying drawing, formlng a part of this specification,v

For reasons of strength, facility of dismounting, and economy, iron constructions are increasingly utilized in lace of the wooden masts, towers or the ike formerly employed for wireless telegraph despatching and receiving stations, bot forfixed as well as for transportable purposes. Such towers made of metal, however, absorb a large part of the transmitting and receiving energy. It is therefore necessary to towers in several parts and to insulate them at the places of division, in order that the vibration period of the separate parts may be different from the vibration period of the aerial conductor network. Such subdivisions militate against the strength of the tower, and also by them the result sought after is only incompletely attained, as the subdivision can in practice only be carried to a certain limit. Finally such subdivisions are also very expensive.

It is alreadyknown to employ electrically conducting masts, which are insulated from the earth, as aerial conductors, and "to use these masts also as supports of a small ca- In such cases however, the mast forms the principal member of the aerial conductor system and far exceeds in ,its capacity that of the above mentioned capacity area. I

The-present invention relates to long dis-.

tance stations with antennae having a very large capacity. This latter is attained by employing an aerial conductor system which consists of an umbrella-like arranged series of wires which are fastened on the one hand to the upper end of a central support on the other hand to several fixed points on or near the ground lying outside the mast or support. Such umbrella-shaped antennae have a large capacity, and it has been found that conductively connecting such antennae with an iron mast does not cause interruptions, as the capacity of the latter is very or the like.

small as compared with that of the antennae. It is preferable not to use the mast as a conducting part, but to electrically connect the antennae with the wireless telegraph apparatus b means of wires, for instance, copper ca les, running up the sides of the mast. It is, however, not necessary to insulate these wires from the mast.

Of course any constructions formed of iron or like material which are riveted or bolted together may be employed as masts,

towers or the like. Mannesmann tubes, framework or lattice girders may preferabl be employed for this object.

11 the accompanying drawings one form of construction of the invention is diagrammatically shown in Figures 1 and 2 as an example.

a indicates the iron mast, which is constructed on an insulated base I). The aerial conductor system consists of numerous wires runnin in all directions from the up er pointo the tower, thesewires being stretc d umbrella fashion between the tower. and several fixed points outside the same. In the present case the apparatus is formed of several separate parts or sections 0 which are eachconnected by a wire d to the top of the tower or mast. The sections are stretched umbrella like toward the ground by means of guy wires f, of which, in this case, three are provided for each section a and which are lnsulated therefrom by means of interposed insulators g. Guy wires f in turn are astened to ground posts circularly arranged around support or mast a, as shown in the drawings. The wire sections are arranged in such a manner that they are movable up and down independently from each other, so as to facilitate the repairing of defects h indicates conducting wires which are carried up alon the mast on several sides.

Having explained my invention, what I claim and desire to secure by Letters Patent is: I

1. An aerial conductor system for wireless telegraphy, consisting of a central electrically conducting support insulated from the ground and an umbrella shaped group of wires running obliquely toward the round, said wires beln at one end electrica y connected with sa1d su port and at the other.

end fixed to severa distant points on the ground and insulated therefrom, substantially as descrlbed.

2. An aerlal conductor system for wireless telegra by comprising a central support and i an um rella shaped group of wires consistan umbrella shaped the other end, but insulated therefrom and fastened to the ground circularly around said support for stretching said sections in umbrella shape toward the ground.

4. An aerial conductor system for wireless telegraphy comprising a central support and an umbrella shaped group of wires consistin of a lurality of sections, each section in ividual y held at one end by said support and detachable therefrom, and means for stretching said sections -obliguely in um a fastened to each section, but insulated therefrom and fastened to. the ground circularly around said'support for stretching saidsec: tions in umbre la shape toward the ground. 6. An aerial conductor system for wireless telegraphy comprising a central electrically con ground and an umbrella shaped group of wires consistin of a lurality of sections, each section in ividually held at one end by said support, and detachable therefrom and guy wires fastened to each section but insulated therefrom and fastened to the ground circularly around said support for stretchin said sections in umbrella shape toward t e ground.

In witness whereof, I hereunto subscribe my name this 20th day of October A. D. 1906.

GEORG VON ARGO. Witnesses:

HENRY HASPER, WOLDEMAR HAUPT.

ucting support, insulated from the

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