GB1251604A - - Google Patents

Info

Publication number
GB1251604A
GB1251604A GB1251604DA GB1251604A GB 1251604 A GB1251604 A GB 1251604A GB 1251604D A GB1251604D A GB 1251604DA GB 1251604 A GB1251604 A GB 1251604A
Authority
GB
United Kingdom
Prior art keywords
signal
output
analogue
subtractor
polarity
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
Other languages
English (en)
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 filed Critical
Publication of GB1251604A publication Critical patent/GB1251604A/en
Expired legal-status Critical Current

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
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion
    • 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
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/44—Sequential comparisons in series-connected stages with change in value of analogue signal

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
GB1251604D 1968-01-18 1969-01-20 Expired GB1251604A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE662/68A SE305674B (enExample) 1968-01-18 1968-01-18

Publications (1)

Publication Number Publication Date
GB1251604A true GB1251604A (enExample) 1971-10-27

Family

ID=20256914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251604D Expired GB1251604A (enExample) 1968-01-18 1969-01-20

Country Status (5)

Country Link
US (1) US3638124A (enExample)
DE (1) DE1901717A1 (enExample)
FR (1) FR1604183A (enExample)
GB (1) GB1251604A (enExample)
SE (1) SE305674B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1012614A (en) * 1974-09-30 1977-06-21 Kamilo Feher Timing technique for nrz data signals
NL7609608A (nl) * 1976-08-30 1978-03-02 Philips Nv Analoog-digitaal omzetter.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95301C (enExample) * 1953-09-28
US2897275A (en) * 1955-05-16 1959-07-28 Bell Telephone Labor Inc Delta modulation compander
US3151296A (en) * 1962-12-13 1964-09-29 Douglas L Phyfe Method and system for transmission of companded pulse code modulated information
US3461244A (en) * 1966-08-16 1969-08-12 Bell Telephone Labor Inc Delta modulation system with continuously variable compander

Also Published As

Publication number Publication date
FR1604183A (enExample) 1971-07-26
SE305674B (enExample) 1968-11-04
DE1901717A1 (de) 1969-09-18
US3638124A (en) 1972-01-25

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed