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IT1018776B - Apparecchio e procedimento per la codificazione elettronica di se gnali analogici in un codice con caratteristica logaritmica - Google Patents

Apparecchio e procedimento per la codificazione elettronica di se gnali analogici in un codice con caratteristica logaritmica

Info

Publication number
IT1018776B
IT1018776B IT52366/74A IT5236674A IT1018776B IT 1018776 B IT1018776 B IT 1018776B IT 52366/74 A IT52366/74 A IT 52366/74A IT 5236674 A IT5236674 A IT 5236674A IT 1018776 B IT1018776 B IT 1018776B
Authority
IT
Italy
Prior art keywords
code
procedure
equipment
electronic coding
logarithmic characteristics
Prior art date
Application number
IT52366/74A
Other languages
English (en)
Original Assignee
North 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.)
Filing date
Publication date
Application filed by North Electric Co filed Critical North Electric Co
Application granted granted Critical
Publication of IT1018776B publication Critical patent/IT1018776B/it

Links

Classifications

    • 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
    • H03M1/48—Servo-type converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
IT52366/74A 1973-08-02 1974-07-31 Apparecchio e procedimento per la codificazione elettronica di se gnali analogici in un codice con caratteristica logaritmica IT1018776B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US385095A US3905028A (en) 1973-08-02 1973-08-02 Direct digital logarithmic encoder

Publications (1)

Publication Number Publication Date
IT1018776B true IT1018776B (it) 1977-10-20

Family

ID=23519980

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52366/74A IT1018776B (it) 1973-08-02 1974-07-31 Apparecchio e procedimento per la codificazione elettronica di se gnali analogici in un codice con caratteristica logaritmica

Country Status (5)

Country Link
US (1) US3905028A (it)
CA (1) CA1043462A (it)
FR (1) FR2239818A1 (it)
IT (1) IT1018776B (it)
SE (1) SE7409928L (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2333299C3 (de) * 1973-06-29 1979-04-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Umsetzung von Analog-Signalen in PCM-Signale und von PCM-Signalen in Analog-Signale
JPS50143458A (it) * 1974-04-16 1975-11-18
US3965467A (en) * 1974-08-12 1976-06-22 Raymond Frederick Monger Analog-to-digital converters
JPS5435914B2 (it) * 1974-10-24 1979-11-06
FR2326806A1 (fr) * 1975-10-02 1977-04-29 Thomson Csf Codeurs-compresseurs d'un signal analogique utilisant un integrateur a maintien
US4101881A (en) * 1976-03-15 1978-07-18 Hybrid Systems Corporation Multiple state responsive delta-sigma converter and delay line
US4064379A (en) * 1976-06-11 1977-12-20 Communications Satellite Corporation Logarithmic echo canceller
US4123709A (en) * 1977-01-24 1978-10-31 Canadian Patents And Development Limited Adaptive digital delta modulation for voice transmission
US4184116A (en) * 1977-04-07 1980-01-15 Argos Products Company, Inc. Communication system having analog-to-digital-to-analog conversion means
US4311988A (en) * 1979-04-05 1982-01-19 Motorola Inc. Programmable A-law and μ-law DAC
US4275267A (en) * 1979-05-30 1981-06-23 Koss Corporation Ambience processor
US4309676A (en) * 1980-09-10 1982-01-05 Reliance Electric Company Instantaneous compressor and instantaneous expandor
US4620294A (en) * 1983-09-09 1986-10-28 Cts Corporation Digital signal processor modem
US4614935A (en) * 1984-12-24 1986-09-30 Rca Corporation Log and antilog functions for video baseband processing
US5008672A (en) * 1988-12-29 1991-04-16 At&T Bell Laboratories Signal conversion apparatus which reduces quantization errors for telecommunications applications
US6501404B2 (en) * 2001-01-08 2002-12-31 Agilent Technologies, Inc. System and method for encoding an input data stream by utilizing a predictive, look-ahead feature
KR100517548B1 (ko) * 2002-07-30 2005-09-28 삼성전자주식회사 씨모오스 영상 소자를 위한 아날로그-디지털 변환기
US7532139B2 (en) * 2007-08-06 2009-05-12 Vns Portfolio Llc System and method for converting analog values into digital form
FR3015580B1 (fr) * 2013-12-20 2016-01-08 Manitou Bf Procede de demarrage et d'arret de moteur a combustion interne de chariot de manutention

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2836356A (en) * 1952-02-21 1958-05-27 Hughes Aircraft Co Analog-to-digital converter
US2865564A (en) * 1953-04-02 1958-12-23 Hughes Aircraft Co High-speed electronic data conversion system
US2989741A (en) * 1955-07-22 1961-06-20 Epsco Inc Information translating apparatus and method
US3015815A (en) * 1959-05-18 1962-01-02 Bell Telephone Labor Inc Conversion between analog and digital information on a piecewise-linear basis
US3016528A (en) * 1959-05-18 1962-01-09 Bell Telephone Labor Inc Nonlinear conversion between analog and digital signals by a piecewiselinear process
US3349390A (en) * 1964-08-31 1967-10-24 Burroughs Corp Nonlinear analog to digital converter
US3500247A (en) * 1968-01-08 1970-03-10 Communications Satellite Corp Non-linear pulse code modulation with threshold selected sampling
FR2098466A5 (it) * 1969-10-16 1972-03-10 Ibm France
US3662163A (en) * 1970-08-04 1972-05-09 Gen Electric Digital signal linearizer
US3688221A (en) * 1971-03-02 1972-08-29 Krone Gmbh Two-stage pcm coder with compression characteristic

Also Published As

Publication number Publication date
US3905028A (en) 1975-09-09
SE7409928L (it) 1975-02-03
FR2239818A1 (it) 1975-02-28
CA1043462A (en) 1978-11-28

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