CA1182923A - Modulateur delta avec filtre de sortie numerique passe-haut - Google Patents

Modulateur delta avec filtre de sortie numerique passe-haut

Info

Publication number
CA1182923A
CA1182923A CA000387123A CA387123A CA1182923A CA 1182923 A CA1182923 A CA 1182923A CA 000387123 A CA000387123 A CA 000387123A CA 387123 A CA387123 A CA 387123A CA 1182923 A CA1182923 A CA 1182923A
Authority
CA
Canada
Prior art keywords
delta
signal
value
mean value
delta modulator
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000387123A
Other languages
English (en)
Inventor
Stephanus J. Hogeland
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1182923A publication Critical patent/CA1182923A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Networks Using Active Elements (AREA)
CA000387123A 1980-10-08 1981-10-01 Modulateur delta avec filtre de sortie numerique passe-haut Expired CA1182923A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8005549A NL8005549A (nl) 1980-10-08 1980-10-08 Inrichting voor het in digitale vorm brengen van een analoog signaal.
NL8005549 1980-10-08

Publications (1)

Publication Number Publication Date
CA1182923A true CA1182923A (fr) 1985-02-19

Family

ID=19835989

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000387123A Expired CA1182923A (fr) 1980-10-08 1981-10-01 Modulateur delta avec filtre de sortie numerique passe-haut

Country Status (8)

Country Link
JP (1) JPS5795722A (fr)
CA (1) CA1182923A (fr)
DE (1) DE3139800C2 (fr)
FR (1) FR2491700A1 (fr)
GB (1) GB2085683B (fr)
IT (1) IT1194099B (fr)
NL (1) NL8005549A (fr)
SE (1) SE451523B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63196696U (fr) * 1987-06-04 1988-12-19
DE3825884A1 (de) * 1988-07-29 1990-02-01 Texas Instruments Deutschland Verfahren zur erhoehung der aufloesung eines a/d-umsetzers
US7312785B2 (en) 2001-10-22 2007-12-25 Apple Inc. Method and apparatus for accelerated scrolling
US7333092B2 (en) 2002-02-25 2008-02-19 Apple Computer, Inc. Touch pad for handheld device
US8022935B2 (en) 2006-07-06 2011-09-20 Apple Inc. Capacitance sensing electrode with integrated I/O mechanism
US8274479B2 (en) 2006-10-11 2012-09-25 Apple Inc. Gimballed scroll wheel
US9654104B2 (en) 2007-07-17 2017-05-16 Apple Inc. Resistive force sensor with capacitive discrimination
US8683378B2 (en) 2007-09-04 2014-03-25 Apple Inc. Scrolling techniques for user interfaces

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52114346A (en) * 1976-03-23 1977-09-26 Nippon Chemical Ind Indicating device for ad converter

Also Published As

Publication number Publication date
SE451523B (sv) 1987-10-12
JPS5795722A (en) 1982-06-14
NL8005549A (nl) 1982-05-03
FR2491700A1 (fr) 1982-04-09
IT1194099B (it) 1988-09-14
JPS6218095B2 (fr) 1987-04-21
IT8124334A0 (it) 1981-10-05
DE3139800C2 (de) 1985-09-12
GB2085683B (en) 1984-08-08
FR2491700B1 (fr) 1985-03-08
DE3139800A1 (de) 1982-06-24
GB2085683A (en) 1982-04-28
SE8105853L (sv) 1982-04-09

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Legal Events

Date Code Title Description
MKEX Expiry