DE192821C - - Google Patents

Info

Publication number
DE192821C
DE192821C DENDAT192821D DE192821DA DE192821C DE 192821 C DE192821 C DE 192821C DE NDAT192821 D DENDAT192821 D DE NDAT192821D DE 192821D A DE192821D A DE 192821DA DE 192821 C DE192821 C DE 192821C
Authority
DE
Germany
Prior art keywords
membrane
sound box
hammer
sound
frame
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
DENDAT192821D
Other languages
German (de)
English (en)
Publication of DE192821C publication Critical patent/DE192821C/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
    • H04L15/24—Apparatus or circuits at the receiving end
    • H04L15/28—Code reproducing apparatus
    • H04L15/285—Telegraph sounders; Apparatus for acoustic reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Catching Or Destruction (AREA)
DENDAT192821D Active DE192821C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE192821T

Publications (1)

Publication Number Publication Date
DE192821C true DE192821C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=5735946

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT192821D Active DE192821C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (2)

Country Link
DE (1) DE192821C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR369863A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR369863A (fr) 1907-01-23

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