CA1087295A - Appareil modifiant la dimension d'une image de television - Google Patents

Appareil modifiant la dimension d'une image de television

Info

Publication number
CA1087295A
CA1087295A CA273,865A CA273865A CA1087295A CA 1087295 A CA1087295 A CA 1087295A CA 273865 A CA273865 A CA 273865A CA 1087295 A CA1087295 A CA 1087295A
Authority
CA
Canada
Prior art keywords
samples
field
altering
line
pulses
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
CA273,865A
Other languages
English (en)
Inventor
Robert N. Hurst
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.)
RCA Corp
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 CA1087295A publication Critical patent/CA1087295A/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
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/223—Controlling dimensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/06—Generation of synchronising signals
    • H04N5/067—Arrangements or circuits at the transmitter end
    • H04N5/073—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations
    • H04N5/0736—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations using digital storage buffer techniques
    • 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
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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
    • H04N5/937—Regeneration of the television signal or of selected parts thereof by assembling picture element blocks in an intermediate store

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
CA273,865A 1976-03-19 1977-03-14 Appareil modifiant la dimension d'une image de television Expired CA1087295A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB11111 1976-03-19
GB1111176A GB1573105A (en) 1976-03-19 1976-03-19 Television picture size altering apparatus

Publications (1)

Publication Number Publication Date
CA1087295A true CA1087295A (fr) 1980-10-07

Family

ID=9980244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273,865A Expired CA1087295A (fr) 1976-03-19 1977-03-14 Appareil modifiant la dimension d'une image de television

Country Status (2)

Country Link
CA (1) CA1087295A (fr)
GB (1) GB1573105A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137377A (ja) * 1982-02-09 1983-08-15 Victor Co Of Japan Ltd デイジタルビデオ信号伝送装置
JPH0671306B2 (ja) * 1983-03-30 1994-09-07 キヤノン株式会社 画像読み取り装置
US5119082A (en) * 1989-09-29 1992-06-02 International Business Machines Corporation Color television window expansion and overscan correction for high-resolution raster graphics displays
GB2257591B (en) * 1991-07-08 1994-08-03 Sony Broadcast & Communication Video standards conversion

Also Published As

Publication number Publication date
GB1573105A (en) 1980-08-13

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 19971007