SE305674B - - Google Patents

Info

Publication number
SE305674B
SE305674B SE662/68A SE66268A SE305674B SE 305674 B SE305674 B SE 305674B SE 662/68 A SE662/68 A SE 662/68A SE 66268 A SE66268 A SE 66268A SE 305674 B SE305674 B SE 305674B
Authority
SE
Sweden
Prior art keywords
outputs
tree network
analog signal
subrange
arrangement
Prior art date
Application number
SE662/68A
Other languages
English (en)
Inventor
I Vaher
S Lindqvist
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
Priority to SE662/68A priority Critical patent/SE305674B/xx
Publication of SE305674B publication Critical patent/SE305674B/xx
Priority to US787957A priority patent/US3638124A/en
Priority to FR1604183D priority patent/FR1604183A/fr
Priority to DE19691901717 priority patent/DE1901717A1/de
Priority to GB1251604D priority patent/GB1251604A/en

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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplitude Modulation (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SE662/68A 1968-01-18 1968-01-18 SE305674B (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE662/68A SE305674B (fr) 1968-01-18 1968-01-18
US787957A US3638124A (en) 1968-01-18 1968-12-30 Apparatus utilizing a tree network for companding and coding an analog signal in a pcm system
FR1604183D FR1604183A (fr) 1968-01-18 1968-12-30
DE19691901717 DE1901717A1 (de) 1968-01-18 1969-01-10 Schaltung zum Zusammendraengen und Kodieren eines Analogsignals in einer Impulsmodulationseinrichtung
GB1251604D GB1251604A (fr) 1968-01-18 1969-01-20

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE305674B true SE305674B (fr) 1968-11-04

Family

ID=20256914

Family Applications (1)

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

Country Status (5)

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

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
NL181666B (nl) * 1953-09-28 Degussa Inrichting voor het bereiden van ovenroet.
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
US3638124A (en) 1972-01-25
GB1251604A (fr) 1971-10-27
DE1901717A1 (de) 1969-09-18
FR1604183A (fr) 1971-07-26

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