FR858823A - Perfectionnements à la télévision - Google Patents

Perfectionnements à la télévision

Info

Publication number
FR858823A
FR858823A FR858823DA FR858823A FR 858823 A FR858823 A FR 858823A FR 858823D A FR858823D A FR 858823DA FR 858823 A FR858823 A FR 858823A
Authority
FR
France
Prior art keywords
enhancements
television
television enhancements
Prior art date
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)
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Application granted granted Critical
Publication of FR858823A publication Critical patent/FR858823A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/12—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor
    • H03K4/18—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth voltage is produced across a capacitor using a single tube exhibiting negative resistance between two of its electrodes, e.g. transitron, dynatron
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals
    • H04N5/10—Separation of line synchronising signal from frame synchronising signal or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Details Of Television Scanning (AREA)
  • Television Systems (AREA)
FR858823D 1938-08-10 1939-08-07 Perfectionnements à la télévision Expired FR858823A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US224023A US2198969A (en) 1938-08-10 1938-08-10 Television scanning system

Publications (1)

Publication Number Publication Date
FR858823A true FR858823A (fr) 1940-12-04

Family

ID=22838974

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858823D Expired FR858823A (fr) 1938-08-10 1939-08-07 Perfectionnements à la télévision

Country Status (3)

Country Link
US (1) US2198969A (fr)
FR (1) FR858823A (fr)
GB (1) GB530227A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE474059A (fr) * 1944-08-25
BE465965A (fr) * 1945-06-15
US2562216A (en) * 1946-09-18 1951-07-31 Columbia Broadcasting Syst Inc Signal separation
US6903944B2 (en) * 2003-05-09 2005-06-07 Mark E. Jacobs Active clamp DC/DC converter with resonant transition system

Also Published As

Publication number Publication date
US2198969A (en) 1940-04-30
GB530227A (en) 1940-12-06

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