FR752450A - Système de télévision - Google Patents

Système de télévision

Info

Publication number
FR752450A
FR752450A FR752450DA FR752450A FR 752450 A FR752450 A FR 752450A FR 752450D A FR752450D A FR 752450DA FR 752450 A FR752450 A FR 752450A
Authority
FR
France
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)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AC Cossor Ltd
Original Assignee
AC Cossor Ltd
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 AC Cossor Ltd filed Critical AC Cossor Ltd
Application granted granted Critical
Publication of FR752450A publication Critical patent/FR752450A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/32—Velocity varied in dependence upon picture information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/86—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements gas-filled tubes or spark-gaps

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Details Of Television Scanning (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
FR752450D 1932-02-27 1933-02-27 Système de télévision Expired FR752450A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB592932A GB399469A (en) 1932-02-27 1932-02-27 Improvements in or relating to television systems
GB3743/33A GB413401A (en) 1932-02-27 1933-02-07 Improvements in or relating to television systems

Publications (1)

Publication Number Publication Date
FR752450A true FR752450A (fr) 1933-09-21

Family

ID=34066581

Family Applications (2)

Application Number Title Priority Date Filing Date
FR752450D Expired FR752450A (fr) 1932-02-27 1933-02-27 Système de télévision
FR44556D Expired FR44556E (fr) 1932-02-27 1934-01-11 Système de télévision

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR44556D Expired FR44556E (fr) 1932-02-27 1934-01-11 Système de télévision

Country Status (5)

Country Link
AT (2) AT142478B (xx)
BE (1) BE394625A (xx)
DE (1) DE640742C (xx)
FR (2) FR752450A (xx)
GB (2) GB399469A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2678964A (en) * 1950-08-14 1954-05-18 Hazeltine Research Inc Modifying the transient response of image-reproducers
US2851522A (en) * 1951-12-13 1958-09-09 Columbia Broadcasting Syst Inc Television

Also Published As

Publication number Publication date
BE394625A (xx) 1933-03-31
AT144599B (de) 1936-02-10
GB413401A (en) 1934-07-19
AT142478B (de) 1935-07-25
FR44556E (fr) 1935-03-04
GB399469A (en) 1933-09-27
DE640742C (de) 1937-01-13

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