IT955918B - Apparato generatore di impulsi di controllo per effetti televisivi speciali - Google Patents

Apparato generatore di impulsi di controllo per effetti televisivi speciali

Info

Publication number
IT955918B
IT955918B IT24929/72A IT2492972A IT955918B IT 955918 B IT955918 B IT 955918B IT 24929/72 A IT24929/72 A IT 24929/72A IT 2492972 A IT2492972 A IT 2492972A IT 955918 B IT955918 B IT 955918B
Authority
IT
Italy
Prior art keywords
pulse generator
control pulse
generator apparatus
special television
effects
Prior art date
Application number
IT24929/72A
Other languages
English (en)
Italian (it)
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT955918B publication Critical patent/IT955918B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
    • H04N5/275—Generation of keying signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/02—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform
    • H03K4/026—Generating pulses having essentially a finite slope or stepped portions having stepped portions, e.g. staircase waveform using digital techniques
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/04—Generating pulses having essentially a finite slope or stepped portions having parabolic shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K6/00—Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
IT24929/72A 1971-05-28 1972-05-26 Apparato generatore di impulsi di controllo per effetti televisivi speciali IT955918B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14787771A 1971-05-28 1971-05-28

Publications (1)

Publication Number Publication Date
IT955918B true IT955918B (it) 1973-09-29

Family

ID=22523284

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24929/72A IT955918B (it) 1971-05-28 1972-05-26 Apparato generatore di impulsi di controllo per effetti televisivi speciali

Country Status (9)

Country Link
US (1) US3757041A (enExample)
JP (1) JPS547168B1 (enExample)
AT (1) AT322018B (enExample)
AU (1) AU463871B2 (enExample)
CA (1) CA979520A (enExample)
FR (1) FR2140004B1 (enExample)
GB (1) GB1338346A (enExample)
IT (1) IT955918B (enExample)
NL (1) NL7207152A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3818130A (en) * 1973-01-09 1974-06-18 Westinghouse Electric Corp Reading pacer for educational television
US3833760A (en) * 1973-02-27 1974-09-03 Ferranti Ltd Television systems
US4356511A (en) * 1978-05-23 1982-10-26 Sony Corporation Digital soft-edge video special effects generator
US4620291A (en) * 1984-02-06 1986-10-28 Mcdonnell Douglas Corporation Digital-to-analog converter interpolator
US4605967A (en) * 1984-03-12 1986-08-12 Pires H George Digital video special effects generator
EP0438061B1 (en) * 1990-01-19 1995-11-08 Matsushita Electric Industrial Co., Ltd. Wipe waveform signal generator
JP3182759B2 (ja) * 1990-09-05 2001-07-03 ソニー株式会社 パラボラ波発生回路
KR19980020968A (ko) * 1996-09-13 1998-06-25 구자홍 영상표시기기의 휘도조정장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240420A (en) * 1939-05-11 1941-04-29 Philco Radio & Television Corp Electrical system
FR1496141A (fr) * 1966-06-03 1967-09-29 Cit Alcatel Générateur d'ondes modulées en fréquence
GB1141952A (en) * 1967-01-19 1969-02-05 Airmec Ltd Improvements in or relating to electrical oscillators
US3581011A (en) * 1967-10-23 1971-05-25 Telemation Television broadcast synchronizing apparatus and method

Also Published As

Publication number Publication date
DE2225501A1 (de) 1972-12-07
CA979520A (en) 1975-12-09
AU463871B2 (en) 1975-08-07
US3757041A (en) 1973-09-04
JPS547168B1 (enExample) 1979-04-04
FR2140004B1 (enExample) 1978-03-03
NL7207152A (enExample) 1972-11-30
AT322018B (de) 1975-04-25
AU4280072A (en) 1973-11-29
DE2225501B2 (de) 1974-06-12
GB1338346A (en) 1973-11-21
FR2140004A1 (enExample) 1973-01-12

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