BE481091A - - Google Patents

Info

Publication number
BE481091A
BE481091A BE481091DA BE481091A BE 481091 A BE481091 A BE 481091A BE 481091D A BE481091D A BE 481091DA BE 481091 A BE481091 A BE 481091A
Authority
BE
Belgium
Prior art keywords
blade
contacts
keys
contact
needle
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
J Heider
H Machleidt
W Kobinger
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.)
Publication of BE481091A publication Critical patent/BE481091A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Push-Button Switches (AREA)
BE481091D 1948-03-11 BE481091A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE481091 1948-03-11

Publications (1)

Publication Number Publication Date
BE481091A true BE481091A (nl)

Family

ID=3844560

Family Applications (1)

Application Number Title Priority Date Filing Date
BE481091D BE481091A (nl) 1948-03-11

Country Status (1)

Country Link
BE (1) BE481091A (nl)

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