IT8021033A0 - Metodo e disposizione per sorvegliare convertitori di ampiezza di segnali. - Google Patents

Metodo e disposizione per sorvegliare convertitori di ampiezza di segnali.

Info

Publication number
IT8021033A0
IT8021033A0 IT8021033A IT2103380A IT8021033A0 IT 8021033 A0 IT8021033 A0 IT 8021033A0 IT 8021033 A IT8021033 A IT 8021033A IT 2103380 A IT2103380 A IT 2103380A IT 8021033 A0 IT8021033 A0 IT 8021033A0
Authority
IT
Italy
Prior art keywords
arrangement
signal amplitude
amplitude converters
supervising signal
supervising
Prior art date
Application number
IT8021033A
Other languages
English (en)
Other versions
IT1149297B (it
Inventor
Samuelsson Kurt Anders
Widl Walter Herbert Erwin
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IT8021033A0 publication Critical patent/IT8021033A0/it
Application granted granted Critical
Publication of IT1149297B publication Critical patent/IT1149297B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
IT21033/80A 1979-03-30 1980-03-28 Metodo e disposizione per sorvegliare convertitori di ampiezza di segnali IT1149297B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7902834A SE417149B (sv) 1979-03-30 1979-03-30 Overvakningssett och - anordning for signalamplitudomvandlare

Publications (2)

Publication Number Publication Date
IT8021033A0 true IT8021033A0 (it) 1980-03-28
IT1149297B IT1149297B (it) 1986-12-03

Family

ID=20337684

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21033/80A IT1149297B (it) 1979-03-30 1980-03-28 Metodo e disposizione per sorvegliare convertitori di ampiezza di segnali

Country Status (3)

Country Link
US (1) US4328584A (it)
IT (1) IT1149297B (it)
SE (1) SE417149B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56151947A (en) * 1980-04-26 1981-11-25 Canon Inc Image former having diagnosis function
US4839897A (en) * 1986-10-29 1989-06-13 Nec Corporation Fault detecting system for ADPCM codec
EP0447117B1 (en) * 1990-03-15 1997-02-19 AT&T Corp. Built-in self test for analog to digital converters
US5911870A (en) * 1997-04-11 1999-06-15 H20 Technologies, Ltd. Housing and method that provide extended resident time for dissolving generated oxygen into water
GB9820350D0 (en) * 1998-09-19 1998-11-11 Cambrian Systems Corp Connection integrity monitor for digital selection circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476922A (en) * 1966-08-05 1969-11-04 Sperry Rand Corp Failure monitor for redundant channel systems
SE308038B (it) * 1968-04-18 1969-01-27 Ericsson Telefon Ab L M
US3686493A (en) * 1970-11-13 1972-08-22 Gen Electric Limited average voter circuitry
US3720819A (en) * 1971-11-26 1973-03-13 Exxon Research Engineering Co Direct digital computer control error detector system
JPS5244506A (en) * 1975-10-06 1977-04-07 Nec Corp Code conversion circuit

Also Published As

Publication number Publication date
SE7902834L (sv) 1980-10-01
US4328584A (en) 1982-05-04
IT1149297B (it) 1986-12-03
SE417149B (sv) 1981-02-23

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970313