NL173230C - Apparatus for transmitting voice signals modulated by a delta modulator as well as binary dialing and switching signals generated by a registration generator in information transmission systems. - Google Patents

Apparatus for transmitting voice signals modulated by a delta modulator as well as binary dialing and switching signals generated by a registration generator in information transmission systems.

Info

Publication number
NL173230C
NL173230C NL7308207A NL7308207A NL173230C NL 173230 C NL173230 C NL 173230C NL 7308207 A NL7308207 A NL 7308207A NL 7308207 A NL7308207 A NL 7308207A NL 173230 C NL173230 C NL 173230C
Authority
NL
Netherlands
Prior art keywords
dialing
binary
well
information transmission
transmission systems
Prior art date
Application number
NL7308207A
Other languages
Dutch (nl)
Other versions
NL173230B (en
NL7308207A (en
Original Assignee
Ant Nachrichtentech
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.)
Filing date
Publication date
Application filed by Ant Nachrichtentech filed Critical Ant Nachrichtentech
Publication of NL7308207A publication Critical patent/NL7308207A/xx
Publication of NL173230B publication Critical patent/NL173230B/en
Application granted granted Critical
Publication of NL173230C publication Critical patent/NL173230C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/39—Signalling arrangements; Manipulation of signalling currents using coded pulse groups

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
NL7308207A 1972-06-14 1973-06-13 Apparatus for transmitting voice signals modulated by a delta modulator as well as binary dialing and switching signals generated by a registration generator in information transmission systems. NL173230C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722228875 DE2228875C3 (en) 1972-06-14 1972-06-14 Circuit arrangement for the transmission of dialing and switching indicators in message transmission systems with delta modulation

Publications (3)

Publication Number Publication Date
NL7308207A NL7308207A (en) 1973-12-18
NL173230B NL173230B (en) 1983-07-18
NL173230C true NL173230C (en) 1983-12-16

Family

ID=5847695

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7308207A NL173230C (en) 1972-06-14 1973-06-13 Apparatus for transmitting voice signals modulated by a delta modulator as well as binary dialing and switching signals generated by a registration generator in information transmission systems.

Country Status (4)

Country Link
DE (1) DE2228875C3 (en)
GB (1) GB1438513A (en)
IT (1) IT989080B (en)
NL (1) NL173230C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE404982B (en) * 1977-12-22 1978-11-06 Ericsson Telefon Ab L M METHOD AND DEVICE FOR TRANSMITTING DIGITAL INFORMATION IN A TELEPHONE SYSTEM
NL7905968A (en) * 1979-08-03 1981-02-05 Philips Nv METHOD FOR DETECTING A DIGITAL CODE WORD AND CODE DETECTOR FOR CARRYING OUT THE METHOD
DE2937937A1 (en) * 1979-09-18 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Supervising telephone circuit using digital information transmission - employing measured signal level to determine transmission state and clear circuit

Also Published As

Publication number Publication date
NL173230B (en) 1983-07-18
NL7308207A (en) 1973-12-18
DE2228875C3 (en) 1980-03-06
DE2228875B2 (en) 1979-07-05
GB1438513A (en) 1976-06-09
AU5676473A (en) 1974-12-12
IT989080B (en) 1975-05-20
DE2228875A1 (en) 1974-01-03

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