Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hagenuk Vorm Neufeldt and Kuhnke GmbH
Original Assignee
Hagenuk Vorm Neufeldt and Kuhnke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hagenuk Vorm Neufeldt and Kuhnke GmbHfiledCriticalHagenuk Vorm Neufeldt and Kuhnke GmbH
Priority to DEH49161UpriorityCriticalpatent/DE1902931U/de
Publication of DE1902931UpublicationCriticalpatent/DE1902931U/de
H04M19/00—Current supply arrangements for telephone systems
H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Financial Or Insurance-Related Operations Such As Payment And Settlement
(AREA)
Details Of Connecting Devices For Male And Female Coupling
(AREA)
Diaphragms For Electromechanical Transducers
(AREA)
Description
HAGENUK
vormals
NEUFELDT & KUHNKE G. AA. B.I
KIEL
Claims (3)
NGUFELDTi. KUi-INKE G.M.B.H - " ^ ° ' J'^ Ö. /.04
[/■c, ' Kiel, den
3. Juli 1964
Pa/DrPf/Sa./26OO
Schutzanspruch
Elektromagnetischer Wecker, vorzugsweise Wechselstromwecker zum Einbau in Fernsprechapparate, dadurch gekennzeichnet, daß
der von dem Elektromagneten betätigte Anker (2) mit einem Belag oder Überzug (6,7) aus einem weichen und weichbleibenden,
schallabsorbierenden Stoff (Gummi, weicher Kunststoff, Antidröhnlack o.dgl.) versehen ist.
Verfahren zur Herstellung von Schläuchen mit ungleichen Wandstärken aus thermoplastischem Kunststoff od. dgl. durch Strangpressen und Strangpresse zur Durchführung des Verfahrens