IT1017033B - Dispositivo di demodulazione d un onda portante modulata angolarmen te e sua applicazione alla lettu ra ottica d un supporto d informa zione - Google Patents

Dispositivo di demodulazione d un onda portante modulata angolarmen te e sua applicazione alla lettu ra ottica d un supporto d informa zione

Info

Publication number
IT1017033B
IT1017033B IT2499874A IT2499874A IT1017033B IT 1017033 B IT1017033 B IT 1017033B IT 2499874 A IT2499874 A IT 2499874A IT 2499874 A IT2499874 A IT 2499874A IT 1017033 B IT1017033 B IT 1017033B
Authority
IT
Italy
Prior art keywords
angolarmen
demodulation
application
carrier wave
modulated carrier
Prior art date
Application number
IT2499874A
Other languages
English (en)
Italian (it)
Original Assignee
Thomson Brandt
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 Thomson Brandt filed Critical Thomson Brandt
Application granted granted Critical
Publication of IT1017033B publication Critical patent/IT1017033B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/94—Signal drop-out compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Television Signal Processing For Recording (AREA)
  • Manipulation Of Pulses (AREA)
  • Dc Digital Transmission (AREA)
IT2499874A 1973-07-13 1974-07-11 Dispositivo di demodulazione d un onda portante modulata angolarmen te e sua applicazione alla lettu ra ottica d un supporto d informa zione IT1017033B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7325839A FR2237358A1 (en) 1973-07-13 1973-07-13 Angularly modulated carrier oscillation demodulator - for video disc reading involves using limiter differential amplifier

Publications (1)

Publication Number Publication Date
IT1017033B true IT1017033B (it) 1977-07-20

Family

ID=9122575

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2499874A IT1017033B (it) 1973-07-13 1974-07-11 Dispositivo di demodulazione d un onda portante modulata angolarmen te e sua applicazione alla lettu ra ottica d un supporto d informa zione

Country Status (4)

Country Link
JP (1) JPS5040063A (enrdf_load_stackoverflow)
DE (1) DE2433370A1 (enrdf_load_stackoverflow)
FR (1) FR2237358A1 (enrdf_load_stackoverflow)
IT (1) IT1017033B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1107469A (en) * 1977-02-07 1981-08-25 Jan H. F. Kent Method and apparatus for treading tyres
JPS5856205A (ja) * 1981-09-28 1983-04-02 Keio Giken Kogyo Kk デイジタルデ−タ記録再生装置
JPS58209884A (ja) * 1982-06-01 1983-12-06 松下電器産業株式会社 感熱ヒ−タ線
JPS5962251A (ja) * 1982-10-01 1984-04-09 Hitachi Ltd 周波数分離方式
DE3612266C1 (de) * 1986-04-11 1987-06-19 Philips Patentverwaltung Schaltungsanordnung fuer frequenzmodulierte Bildsignale

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069637A (en) * 1961-07-31 1962-12-18 Jr Ralph M Seeley Electronic signal seeking means having tuning reactance automatically controlled by difference between concurrent and delayed detector output

Also Published As

Publication number Publication date
DE2433370A1 (de) 1975-02-20
FR2237358A1 (en) 1975-02-07
JPS5040063A (enrdf_load_stackoverflow) 1975-04-12
FR2237358B1 (enrdf_load_stackoverflow) 1976-04-30

Similar Documents

Publication Publication Date Title
AR208585A1 (es) Aparato lector de un portador de grabacion plano con una estructura de informacion opticamente legible
IT1045484B (it) Perfezionamenti ai supporti di informazione a lettura ottica
FR2441236B1 (fr) Porteur servant de milieu d'emmagasinage d'information numerique et pouvant etre explore par voie optique
AR225173A1 (es) Aparato lector de un portador de grabacion con una estructura opticamente legible
ZA746455B (en) Record carrier on which information is stored in an optically readable structure
IT7827391A0 (it) Sistema per la trasmissione di dati mediante una portante modulata d'angolo di ampiezza costante.
AR216608A1 (es) Aparato lector de un portador de grabacion discoidal
AR209458A1 (es) Aparato lector de un portador de grabacion con una estructura de informacion optica
AR220790A1 (es) Aparato lector optico de un portador de grabacion discoidal,particularmente para ubicar rapidamente una seccion deseada de programa
AT356405B (de) System zur wiedergabe von impulsdaten
IT1099258B (it) Supproto di informazioni
FR2324508A1 (fr) Dispositif flottant et systeme de reperage
BR7306708D0 (pt) Portador de gravacao de informacoes e aparelho para ler as mesmas
FR2291546A1 (fr) Dispositif de transmission d'informations
AR220770A1 (es) Portador de grabacion con una estructura de informacion reflectora de radiacion opticamente legible
FR2291575A1 (fr) Dispositif de lecture d'informations
AT368655B (de) Informationsaufzeichnungstraeger
BE818221Q (fr) Dispositif d'affichage d'informations
FR2437043B1 (fr) Dispositif pour la lecture d'un porteur d'enregistrement optique comportant une structure d'information reflechissant le rayonnement
PL199801A1 (pl) Sposob odczytywania optycznego nosnika informacji oraz czytnik optyczny
IT1017033B (it) Dispositivo di demodulazione d un onda portante modulata angolarmen te e sua applicazione alla lettu ra ottica d un supporto d informa zione
AT372205B (de) Geraet fuer die optische wiedergabe von informationssignalen
ATA159880A (de) Aufzeichnungstraeger mit einer optisch auslesbaren informationsstruktur
BE883286A (fr) Modulateur-demodulateur de donnees
AT347517B (de) System zur uebertragung von informationen