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hopf Elektronik GmbH is one of the oldest manufacturer of radio controlled clocks being synchronized by the DCF77 transmitter and one of the leading companies in Europe. The company was founded in 1972 and produces both conventional and satellite radio controlled clocks for industrial purposes. Our products have gained an outstanding reputation in many countries.
The company hopf is specialized in hard- and software alteration in order to realize specific customer’s requirements referring to special ranges of application. Our team of experienced experts and technicians advises you at any time. It is our philosophy to reach our customer’s confidence by efficiency and flexibility. Our production line is not only characterized by high quality standards but includes also services such as new developments, technical advices and training courses which are offered in the English language, too.
Our products are developed by our own engineers and are manufactured by using the newest technical equipment. Furthermore, the merchandise is tested for its functionality based on the required quality standards.
We want to have satisfied customers. That is the reason why the high quality of our products and our services is one of our uppermost company objectives.
Due to the high precision and reliability of the hopf radio controlled clocks our customers belong to the sectors of space technology, aviation, navigation, modern communication technology and energy supply. The industrial sector refers is covered by technology of measurement and registering of business operating data.

Heinrich Immanuel Perrot
(*22.10.1929) obtained his apprenticeship credentials at the PERROT
firm's Water Sprinkler Division, after which he completed his
engineering studies at the State School of Engineering at Esslingen. In
1952, he began his tenure at his father's clockworks. In 1959, he
decided to take on the production of electric bellringing technology.
Shortly after that, the firm started to research into the production of
fully electrical and lightweight tower clock technology. However, these
new activities created, in the early 1960s, a need for larger production
premises. Heinrich I. Perrot had no choice but to expand with the
building of a new factory complex in the suburb of Calw-Heumaden.
Consequently, sales territories were widened and export markets were
opened up. For example, a new musical Calendar Clock was designed and
produced for a shopping mall in Dublin (Ireland). This breakthrough
marked the beginning of a new era for the PERROT firm and the Calendar
Clock became its prize showpiece.