NL27090C - - Google Patents

Info

Publication number
NL27090C
NL27090C NL27090DA NL27090C NL 27090 C NL27090 C NL 27090C NL 27090D A NL27090D A NL 27090DA NL 27090 C NL27090 C NL 27090C
Authority
NL
Netherlands
Application number
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 NL27090C publication Critical patent/NL27090C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L19/00—Apparatus or local circuits for step-by-step systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Prepayment Telephone Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
NL27090D 1928-04-21 NL27090C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT310029X 1928-04-21

Publications (1)

Publication Number Publication Date
NL27090C true NL27090C (enrdf_load_stackoverflow)

Family

ID=3671324

Family Applications (1)

Application Number Title Priority Date Filing Date
NL27090D NL27090C (enrdf_load_stackoverflow) 1928-04-21

Country Status (5)

Country Link
US (1) US1827962A (enrdf_load_stackoverflow)
BE (1) BE358479A (enrdf_load_stackoverflow)
DE (1) DE540138C (enrdf_load_stackoverflow)
GB (1) GB310029A (enrdf_load_stackoverflow)
NL (1) NL27090C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE761948C (de) * 1940-04-10 1954-02-08 Siemens & Halske A G Durch Impulskombinationen, insbesondere telegrafische Impulskombinationen, gesteuerte Waehlereinrichtung zur Verbindungsherstellung

Also Published As

Publication number Publication date
DE540138C (de) 1931-12-08
BE358479A (enrdf_load_stackoverflow)
US1827962A (en) 1931-10-20
GB310029A (en) 1930-07-02

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