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1950
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Established by Dr. H. Tiefenbach & Co.
Development and production of hydraulic components for underground mining,
solenoid switches and sensors for industrial plants, proximity switches etc.
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1980
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First development and production of the wheel sensor
for use in railway traffic technology.
>> Foundation for the reorientation of Dr. H Tiefenbach GmbH &Co.
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1983
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First approval of the double wheel sensors (DWS) by the
German Federal Railways central administrative bureau (Bundesbahn Zentralamt
BZA).
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1980 – 1985
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First development and production of TEOW (Tiefenbach
locally operated points) – initially for use in the area of private railways,
industrial railways and port railways, initially without any switchover
protection – subsequently using the double wheel sensor with switchover
protection and switchover from the trailing side.
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1989
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First development and production of the Tiefenbach Axle
Counting System (Tiefenbach axle counting system).
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1996
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1. First approval of the Tiefenbach locally operated
points by EBA
(German Federal Railways Agency – Eisenbahnbundesamt) and
release by DB AG for use within the area of Deutsche Bahn AG.
2. Merger with Hauhinco Group and continuation of the railway
mechanics sector (shunting equipment) highly developed and
progressed since 1977. Reorganisation to become a system
provider within the area of railway mechanics and railway traffic technology
(Control and safety technology).
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1997
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1. Realisation and approval of the first compact
gravity hump yard at
the Deutsche Bahn AG (Kassel-Bettenhausen).
2. Realisation and approval of the first Tiefenbach locally operated
points with central operator workstation.
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2001
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Realisation and approval of the first depot points
control system (depot points control system at Kornwestheim Station).
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2003 – 2004
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Realisation of the depot points control system
Köln-Deutzerfeld within just one year:
97 signals
105 points
100 axle counting circuits
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2004
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Realisation and approval of control systems for high
power train formation yards (Köln-Gremberg Nord/Süd, Hagen-Vorhalle).
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2005
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Further development of the control system for depot
points control systems (train pre-set routes, main signal control etc.).
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2007
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Realisation and approval of control systems of a
high-power train formation yard for Köln-Gremberg Nord/Süd.
Development start of the radio-controlled hump-locomotive of class 296 at DB
AG in ZBA Köln-Gremberg Nord/Süd.
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2008
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Renewal of the entire points control system technology
for the signalled pre-set route control system with automatic train control
for ThyssenKrupp Steel AG – Eisenbahn und Häfen (Railways and Ports).
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