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NL177877B - MULTIFREQUENCY SIGNAL RECEIVER FOR CONVERSION OF RECEIVED MULTIFREQUENCY SIGNALS INTO CORRESPONDING CONTROL SIGNALS. - Google Patents

MULTIFREQUENCY SIGNAL RECEIVER FOR CONVERSION OF RECEIVED MULTIFREQUENCY SIGNALS INTO CORRESPONDING CONTROL SIGNALS.

Info

Publication number
NL177877B
NL177877B NLAANVRAGE7510708,B NL177877DB NL177877B NL 177877 B NL177877 B NL 177877B NL 177877D B NL177877D B NL 177877DB NL 177877 B NL177877 B NL 177877B
Authority
NL
Netherlands
Prior art keywords
multifrequency
signals
conversion
signal receiver
corresponding control
Prior art date
Application number
NLAANVRAGE7510708,B
Other languages
Dutch (nl)
Original Assignee
Western Electric Co
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 NL177877B publication Critical patent/NL177877B/en

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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/002—Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
NLAANVRAGE7510708,B 1952-10-28 MULTIFREQUENCY SIGNAL RECEIVER FOR CONVERSION OF RECEIVED MULTIFREQUENCY SIGNALS INTO CORRESPONDING CONTROL SIGNALS. NL177877B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEE6222A DE968157C (en) 1952-10-28 1952-10-28 Device for the electrical remote transmission of counting pulses

Publications (1)

Publication Number Publication Date
NL177877B true NL177877B (en)

Family

ID=7066848

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7510708,B NL177877B (en) 1952-10-28 MULTIFREQUENCY SIGNAL RECEIVER FOR CONVERSION OF RECEIVED MULTIFREQUENCY SIGNALS INTO CORRESPONDING CONTROL SIGNALS.

Country Status (4)

Country Link
BE (1) BE519434A (en)
DE (1) DE968157C (en)
FR (1) FR1077737A (en)
NL (1) NL177877B (en)

Also Published As

Publication number Publication date
DE968157C (en) 1958-01-23
FR1077737A (en) 1954-11-10
BE519434A (en)

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