DE229435C - - Google Patents

Info

Publication number
DE229435C
DE229435C DENDAT229435D DE229435DA DE229435C DE 229435 C DE229435 C DE 229435C DE NDAT229435 D DENDAT229435 D DE NDAT229435D DE 229435D A DE229435D A DE 229435DA DE 229435 C DE229435 C DE 229435C
Authority
DE
Germany
Prior art keywords
armature
locking
blocking
magnet
rest position
Prior art date
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.)
Active
Application number
DENDAT229435D
Other languages
German (de)
English (en)
Publication of DE229435C publication Critical patent/DE229435C/de
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/68Circuit arrangements for preventing eavesdropping
    • H04M1/70Lock-out or secrecy arrangements in party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
DENDAT229435D Active DE229435C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE229435C true DE229435C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=489740

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT229435D Active DE229435C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE229435C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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