DE215174C - - Google Patents

Info

Publication number
DE215174C
DE215174C DENDAT215174D DE215174DA DE215174C DE 215174 C DE215174 C DE 215174C DE NDAT215174 D DENDAT215174 D DE NDAT215174D DE 215174D A DE215174D A DE 215174DA DE 215174 C DE215174 C DE 215174C
Authority
DE
Germany
Prior art keywords
lever
button
spring
current
contact
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
DENDAT215174D
Other languages
German (de)
English (en)
Publication of DE215174C publication Critical patent/DE215174C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/06—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element
    • H04L15/08—Apparatus or circuits at the transmitting end with a restricted number of keys, e.g. separate key for each type of code element with a single key which transmits dots in one position and dashes in a second position

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
DENDAT215174D Active DE215174C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215174T

Publications (1)

Publication Number Publication Date
DE215174C true DE215174C (enrdf_load_stackoverflow)

Family

ID=5822617

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT215174D Active DE215174C (enrdf_load_stackoverflow)

Country Status (2)

Country Link
DE (1) DE215174C (enrdf_load_stackoverflow)
FR (1) FR393978A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR393978A (fr) 1909-01-11

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