GB1573105A - Television picture size altering apparatus - Google Patents

Television picture size altering apparatus Download PDF

Info

Publication number
GB1573105A
GB1573105A GB1111176A GB1111176A GB1573105A GB 1573105 A GB1573105 A GB 1573105A GB 1111176 A GB1111176 A GB 1111176A GB 1111176 A GB1111176 A GB 1111176A GB 1573105 A GB1573105 A GB 1573105A
Authority
GB
United Kingdom
Prior art keywords
samples
pulses
lines
picture
sampling
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
GB1111176A
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.)
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
Priority to GB1111176A priority Critical patent/GB1573105A/en
Priority to US05/754,688 priority patent/US4134128A/en
Priority to AU23125/77A priority patent/AU514592B2/en
Priority to CA273,865A priority patent/CA1087295A/fr
Priority to JP3020377A priority patent/JPS52115121A/ja
Priority to DE2712025A priority patent/DE2712025C3/de
Priority to FR7708212A priority patent/FR2345028A1/fr
Publication of GB1573105A publication Critical patent/GB1573105A/en
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)
GB1111176A 1976-03-19 1976-03-19 Television picture size altering apparatus Expired GB1573105A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB1111176A GB1573105A (en) 1976-03-19 1976-03-19 Television picture size altering apparatus
US05/754,688 US4134128A (en) 1976-03-19 1976-12-27 Television picture size altering apparatus
AU23125/77A AU514592B2 (en) 1976-03-19 1977-03-10 Television picture size altering apparatus
CA273,865A CA1087295A (fr) 1976-03-19 1977-03-14 Appareil modifiant la dimension d'une image de television
JP3020377A JPS52115121A (en) 1976-03-19 1977-03-17 Device for altering television picture size
DE2712025A DE2712025C3 (de) 1976-03-19 1977-03-18 Anordnung zur Änderung des Formats eines Fernsehbildes
FR7708212A FR2345028A1 (fr) 1976-03-19 1977-03-18 Dispositif variateur de la dimension de l'image d'un televiseur

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1573105A true GB1573105A (en) 1980-08-13

Family

ID=9980244

Family Applications (1)

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

Country Status (2)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139454A (en) * 1983-03-30 1984-11-07 Canon Kk Image processing apparatus
US4558362A (en) * 1982-02-09 1985-12-10 Victor Company Of Japan, Ltd. Digital video signal transmitting apparatus
EP0419765A1 (fr) * 1989-09-29 1991-04-03 International Business Machines Corporation Extension de fenêtre pour télévision en couleurs et correction de surbalayage pour dispositifs d'affichage de graphique de trame à haute définition
GB2257591A (en) * 1991-07-08 1993-01-13 Sony Broadcast & Communication Video standards conversion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558362A (en) * 1982-02-09 1985-12-10 Victor Company Of Japan, Ltd. Digital video signal transmitting apparatus
GB2139454A (en) * 1983-03-30 1984-11-07 Canon Kk Image processing apparatus
EP0419765A1 (fr) * 1989-09-29 1991-04-03 International Business Machines Corporation Extension de fenêtre pour télévision en couleurs et correction de surbalayage pour dispositifs d'affichage de graphique de trame à haute définition
GB2257591A (en) * 1991-07-08 1993-01-13 Sony Broadcast & Communication Video standards conversion
GB2257591B (en) * 1991-07-08 1994-08-03 Sony Broadcast & Communication Video standards conversion

Also Published As

Publication number Publication date
CA1087295A (fr) 1980-10-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee