FI781369A - FOERFARANDE FOERFOERBAETTRANDE AV BILDKVALITETEN VID FAKSIMILE-OEVERFOERING - Google Patents

FOERFARANDE FOERFOERBAETTRANDE AV BILDKVALITETEN VID FAKSIMILE-OEVERFOERING

Info

Publication number
FI781369A
FI781369A FI781369A FI781369A FI781369A FI 781369 A FI781369 A FI 781369A FI 781369 A FI781369 A FI 781369A FI 781369 A FI781369 A FI 781369A FI 781369 A FI781369 A FI 781369A
Authority
FI
Finland
Prior art keywords
foerfoerbaettrande
faksimile
bildkvaliteten
oeverfoering
foerfarande
Prior art date
Application number
FI781369A
Other languages
Finnish (fi)
Inventor
Juergen Muenchow
Ruediger Sommer
Original Assignee
Hell Rudolf Gmbh
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 Hell Rudolf Gmbh filed Critical Hell Rudolf Gmbh
Publication of FI781369A publication Critical patent/FI781369A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Solid State Image Pick-Up Elements (AREA)
FI781369A 1977-05-05 1978-05-03 FOERFARANDE FOERFOERBAETTRANDE AV BILDKVALITETEN VID FAKSIMILE-OEVERFOERING FI781369A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2720079A DE2720079C3 (en) 1977-05-05 1977-05-05 Method for improving the image quality in facsimile transmission

Publications (1)

Publication Number Publication Date
FI781369A true FI781369A (en) 1978-11-06

Family

ID=6008068

Family Applications (1)

Application Number Title Priority Date Filing Date
FI781369A FI781369A (en) 1977-05-05 1978-05-03 FOERFARANDE FOERFOERBAETTRANDE AV BILDKVALITETEN VID FAKSIMILE-OEVERFOERING

Country Status (14)

Country Link
AT (1) AT372561B (en)
AU (1) AU518941B2 (en)
BE (1) BE866727A (en)
CH (1) CH627317A5 (en)
DE (1) DE2720079C3 (en)
DK (1) DK191378A (en)
FI (1) FI781369A (en)
FR (1) FR2390056A1 (en)
GB (1) GB1604106A (en)
IT (1) IT1095722B (en)
NL (1) NL7804772A (en)
NO (1) NO781338L (en)
SE (1) SE7804769L (en)
YU (1) YU101778A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826755A1 (en) * 1978-06-19 1979-12-20 Hell Rudolf Dr Ing Gmbh SAMPLE DEVICE
US4589034A (en) * 1980-12-05 1986-05-13 Canon Kabushiki Kaisha Image processing apparatus
DE3441152A1 (en) * 1984-11-10 1986-05-28 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth METHOD FOR MAGNETICALLY RECORDING AND PLAYING BACK TELECOMMUNICATION SIGNALS, IN PARTICULAR VIDEO TEXT AND / OR CABLE TEXT SIGNALS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3189685A (en) * 1961-04-21 1965-06-15 Philco Corp Two-level quantization system
DE1268657B (en) * 1965-07-14 1968-05-22 Hell Rudolf Dr Ing Fa Process for increasing the sharpness in the recording of reproductions of photoelectrically scanned original images
US3538246A (en) * 1968-05-22 1970-11-03 Southern Pacific Transport Co Bandwidth reduction technique for analog signals
US3495032A (en) * 1968-10-07 1970-02-10 Graphic Transmission Systems I Bandwidth reduction system
US3761610A (en) * 1971-02-16 1973-09-25 Graphics Sciences Inc High speed fascimile systems
DE2114149C3 (en) * 1971-03-24 1973-09-20 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Amphtude discriminator for a circuit arrangement for generating a correction signal for flank adjustment of pulses
US3795765A (en) * 1971-12-29 1974-03-05 Xerox Corp Alternate analog encoding method and apparatus

Also Published As

Publication number Publication date
DK191378A (en) 1978-11-06
NL7804772A (en) 1978-11-07
AT372561B (en) 1983-10-25
SE7804769L (en) 1978-11-06
AU3577078A (en) 1979-11-08
BE866727A (en) 1978-09-01
IT7822932A0 (en) 1978-05-03
GB1604106A (en) 1981-12-02
DE2720079B2 (en) 1981-01-22
CH627317A5 (en) 1981-12-31
IT1095722B (en) 1985-08-17
AU518941B2 (en) 1981-10-29
DE2720079A1 (en) 1978-11-09
YU101778A (en) 1982-08-31
NO781338L (en) 1978-11-07
FR2390056A1 (en) 1978-12-01
ATA303978A (en) 1983-02-15
DE2720079C3 (en) 1981-11-05

Similar Documents

Publication Publication Date Title
FI781732A (en) FOERBAETTRINGAR VID ANORDNINGAR FOER SEPARERING AV PLASTFOLIE FRAON PAPPER SAERSKILT FOER TILLVARATAGNING AV PAPPER FRAON FAST AVFALL
FI54401C (en) LEDANORDNING VID BELYSNINGSARMATURER SAOSOM KONTORSLAMPOR
FI780870A (en) FOERBAETTRINGAR VID CENTRIFUGAL-RENINGSANORDNINGAR
FI781272A (en) FOERFARANDE FOER REGLERING AV TILLFOERSELN AV REAKTIONSKEMIKALIER VID DELIGNIFIERING AV CELLULOSAMATERIAL
FI780390A (en) ANORDNING VID TAECKTA LASTBILSFLAK
FI773132A (en) ANORDNING VID DRAGBOM FOER SLAEPVAGN
FI780570A (en) SNOESLUNGA SPECIELLT FOER MONTERING VID JAERNVAEGSFORDON
FI780581A (en) ANORDNING VID HYDROCYKLONSEPARATOR
FI783493A (en) ANORDNING VID SAONINGSAPPARATER FOER SAODD AV SKOGSFROE
FI55313B (en) GRIPANORDNING VID EN LASTBILS VAEXELFLAKSANORDNING
FI781003A (en) ANORDNING VID MONTERING AV LAODLIKNANDE KONSTRUKTIONER
FI783275A (en) ANORDNING FOER SKAERNING AV EN INFOERINGSSPETS VID VARUBANOR
FI780759A (en) UPPARBETNINGSANORDNING VID ARBETSFORDON
FI780681A (en) ANORDNING VID LASTBANKAR FOER FORDON
FI65339B (en) SAETT VID TILLVERKNING AV EN STARKSTROEMSKABEL
FI782052A (en) TESTNINGSANORDNING FOER KONTROLLERING AV TVAETTORGAN VID TVAETTAUTOMATER FOER FORDON
FI65367B (en) ANORDNING VID FOERSTA FOERBAND
FI781369A (en) FOERFARANDE FOERFOERBAETTRANDE AV BILDKVALITETEN VID FAKSIMILE-OEVERFOERING
FI781337A (en) SAETT VID RAFFINERING AV FIBERMATERIAL
FI780338A (en) ANORDNING VID ROEKEVAKUERINGSLUCKA
FI780613A (en) ANORDNING VID SAEKRINGSHAOLLARE
FI54745C (en) SAETT FOER REGLERING AV INSTAELLNING VID KROSSAR
FI782824A (en) FOERFARANDE FOER MINSKNING AV KVICKSILVERFOERLUSTER VID ALKALIKLORIDELEKTROLYS
FI780869A (en) ANORDNING VID MONTERING AV HUSTAK
FI783476A (en) FOERBAETTRINGAR VID KONTINUERLIG GJUTNING AV METALLER

Legal Events

Date Code Title Description
FD Application lapsed

Owner name: RUDOLF HELL GMBH