Alexander Behm (11 November 1880, in
Sternberg (
Mecklenburg
Mecklenburg (; nds, label=Low German, Mękel(n)borg ) is a historical region in northern Germany comprising the western and larger part of the federal-state Mecklenburg-Western Pomerania. The largest cities of the region are Rostock, Schwerin ...
) – 22 January 1952, in
Tarp (
Schleswig-Flensburg
Schleswig-Flensburg (; da, Slesvig-Flensborg) is a district in Schleswig-Holstein, Germany. It is bounded by (from the south and clockwise) the districts of Rendsburg-Eckernförde, Dithmarschen and Nordfriesland, the Region Syddanmark in Denma ...
)) was a
German
German(s) may refer to:
* Germany (of or related to)
** Germania (historical use)
* Germans, citizens of Germany, people of German ancestry, or native speakers of the German language
** For citizens of Germany, see also German nationality law
**Ge ...
physicist
A physicist is a scientist who specializes in the field of physics, which encompasses the interactions of matter and energy at all length and time scales in the physical universe.
Physicists generally are interested in the root or ultimate caus ...
who developed working
ocean echo sounder in Germany at the same time
Reginald Fessenden
Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) was a Canadian-born inventor, who did a majority of his work in the United States and also claimed U.S. citizenship through his American-born father. During his life he received hundre ...
was doing so in North America.
As head of a research laboratory in
Vienna
en, Viennese
, iso_code = AT-9
, registration_plate = W
, postal_code_type = Postal code
, postal_code =
, timezone = CET
, utc_offset = +1
, timezone_DST ...
(
Austria
Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
) he conducted experiments concerning the propagation of
sound
In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.
In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the ...
. He tried to develop an
iceberg
An iceberg is a piece of freshwater ice more than 15 m long that has broken off a glacier or an ice shelf and is floating freely in open (salt) water. Smaller chunks of floating glacially-derived ice are called "growlers" or "bergy bits". The ...
detection system using reflected sound waves after the
Titanic
RMS ''Titanic'' was a British passenger liner, operated by the White Star Line, which sank in the North Atlantic Ocean on 15 April 1912 after striking an iceberg during her maiden voyage from Southampton, England, to New York City, United ...
disaster on 15 April 1912. In the end reflected sound waves proved not to be suitable for the detection of icebergs but for measuring the depth of the sea, because the bottom of the sea reflected them well. Thus, echo sounding was born.
Behm was granted German
patent
A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A p ...
No. 282009 for the invention of
echo sounding
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water (bathymetry). It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; ...
''(device for measuring depths of the sea and distances and headings of ships or obstacles by means of reflected sound waves)'' on 22 July 1913.
In 1920 he founded the ''Behm Echo Sounding Company'' in
Kiel
Kiel () is the capital and most populous city in the northern Germany, German state of Schleswig-Holstein, with a population of 246,243 (2021).
Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the J ...
in order to commercialise his invention. He was also a fanatic
angler
Angler may refer to:
* A fisherman who uses the fishing technique of angling
* ''Angler'' (video game)
* The angler, ''Lophius piscatorius'', a monkfish
* More generally, any anglerfish in the order Lophiiformes
* '' Angler: The Cheney Vice Pres ...
and an inventor of
fishing tackle
Fishing tackle is the equipment used by anglers when fishing. Almost any equipment or gear used in fishing can be called fishing tackle, examples being hooks, lines, baits/ lures, rods, reels, floats, sinkers/ feeders, nets, stringers/ k ...
, like Behm-Fliege and Behm-Blinker.
See also
*
German inventors and discoverers
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__NOTOC__
This is a list of German inventors and discoverers. The following list comprises people from Germany or German-speaking Europe, and also people of predominantly German heritage, in alphabetical order of the surname.
For the li ...
References
*
External links
*
{{DEFAULTSORT:Behm, Alexander
1880 births
1967 deaths
People from Ludwigslust-Parchim
People from the Grand Duchy of Mecklenburg-Schwerin
20th-century Austrian physicists