SE340295B - - Google Patents

Info

Publication number
SE340295B
SE340295B SE03252/69A SE325269A SE340295B SE 340295 B SE340295 B SE 340295B SE 03252/69 A SE03252/69 A SE 03252/69A SE 325269 A SE325269 A SE 325269A SE 340295 B SE340295 B SE 340295B
Authority
SE
Sweden
Application number
SE03252/69A
Inventor
H Mcdonald
Original Assignee
Western 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 Western Electric Co filed Critical Western Electric Co
Publication of SE340295B publication Critical patent/SE340295B/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002Conversion to or from differential modulation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00Conversion of the form of the representation of individual digits
SE03252/69A 1968-03-18 1969-03-10 SE340295B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71389168A 1968-03-18 1968-03-18

Publications (1)

Publication Number Publication Date
SE340295B true SE340295B (xx) 1971-11-15

Family

ID=24867958

Family Applications (1)

Application Number Title Priority Date Filing Date
SE03252/69A SE340295B (xx) 1968-03-18 1969-03-10

Country Status (7)

Country Link
US (1) US3526855A (xx)
BE (1) BE729857A (xx)
DE (1) DE1912981B2 (xx)
FR (1) FR2004130A1 (xx)
GB (1) GB1196885A (xx)
NL (1) NL6904079A (xx)
SE (1) SE340295B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513468B1 (xx) * 1970-10-28 1976-02-03
FR2115686A5 (xx) * 1970-11-30 1972-07-07 Labo Cent Telecommunicat
US3723909A (en) * 1971-06-21 1973-03-27 J Condon Differential pulse code modulation system employing periodic modulator step modification
DE2131083C3 (de) * 1971-06-23 1981-06-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Nachrichtenübertragungssystem
US3763433A (en) * 1972-01-13 1973-10-02 Univ Iowa State Res Found Inc System and method for differential pulse code modulation of analog signals
US3772682A (en) * 1972-04-19 1973-11-13 Bell Telephone Labor Inc Digital conversion from one pcm format to another
NL7400764A (nl) * 1974-01-21 1975-07-23 Philips Nv Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen.
US3922619A (en) * 1974-01-28 1975-11-25 Bell Telephone Labor Inc Compressed differential pulse code modulator
US4035724A (en) * 1974-05-08 1977-07-12 Universite De Sherbrooke Digital converter from continuous variable slope delta modulation to pulse code modulation
US4039948A (en) * 1974-06-19 1977-08-02 Boxall Frank S Multi-channel differential pulse code modulation system
FR2428348A1 (fr) * 1978-06-08 1980-01-04 Trt Telecom Radio Electr Regulateur numerique du niveau d'un signal multiplex en frequence
US6002352A (en) * 1997-06-24 1999-12-14 International Business Machines Corporation Method of sampling, downconverting, and digitizing a bandpass signal using a digital predictive coder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605361A (en) * 1950-06-29 1952-07-29 Bell Telephone Labor Inc Differential quantization of communication signals
NL181666B (nl) * 1953-09-28 Degussa Inrichting voor het bereiden van ovenroet.

Also Published As

Publication number Publication date
NL6904079A (xx) 1969-09-22
FR2004130A1 (xx) 1969-11-21
DE1912981B2 (de) 1974-06-20
BE729857A (xx) 1969-08-18
DE1912981A1 (de) 1969-10-16
GB1196885A (en) 1970-07-01
US3526855A (en) 1970-09-01

Similar Documents

Publication Publication Date Title
AU1946070A (xx)
AU428130B2 (xx)
AU2374870A (xx)
FR2004130A1 (xx)
AU6171569A (xx)
AU416157B2 (xx)
AU429879B2 (xx)
AU2581067A (xx)
AU421558B1 (xx)
AU3224368A (xx)
AU3789668A (xx)
AU2580267A (xx)
AR203075Q (xx)
BE727313A (xx)
BE720353A (xx)
AU4464266A (xx)
AU4224469A (xx)
BE728310A (xx)
BE728032A (xx)
BE727719A (xx)
AU4558658A (xx)
BE726954A (xx)
AU2496167A (xx)
BE725205A (xx)
BE725191A (xx)