CA2104645A1 - Doublement du nombre de lignes de trame dans les recepteurs de television sans changer de frequence de trame - Google Patents

Doublement du nombre de lignes de trame dans les recepteurs de television sans changer de frequence de trame

Info

Publication number: CA2104645A1
Authority: CA; Canada
Prior art keywords: circuit; image; read; filter; interpolation
Prior art date: 1993-08-23
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.): Abandoned

Application number

CA002104645A

Other languages

English (en)

Inventor

Maher Ahmed Sid-Ahmed

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.)

Individual

Original Assignee

Individual

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.)

1993-08-23

Filing date

1993-08-23

Publication date

1995-02-24

1993-08-23 Application filed by Individual filed Critical Individual

1993-08-23 Priority to CA002104645A priority Critical patent/CA2104645A1/fr

1995-02-24 Publication of CA2104645A1 publication Critical patent/CA2104645A1/fr

Status Abandoned legal-status Critical Current

Links

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230000010076 replication Effects 0.000 abstract description 9
230000004044 response Effects 0.000 abstract description 9
230000005540 biological transmission Effects 0.000 abstract description 6
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238000005516 engineering process Methods 0.000 abstract description 2
238000013459 approach Methods 0.000 description 13
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238000001228 spectrum Methods 0.000 description 7
238000012545 processing Methods 0.000 description 6
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238000012986 modification Methods 0.000 description 3
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Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/012—Conversion between an interlaced and a progressive signal
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0202—Two or more dimensional filters; Filters for complex signals

Landscapes

Engineering & Computer Science (AREA)
Computer Graphics (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Systems (AREA)

CA002104645A 1993-08-23 1993-08-23 Doublement du nombre de lignes de trame dans les recepteurs de television sans changer de frequence de trame Abandoned CA2104645A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002104645A CA2104645A1 (fr)	1993-08-23	1993-08-23	Doublement du nombre de lignes de trame dans les recepteurs de television sans changer de frequence de trame

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA002104645A CA2104645A1 (fr)	1993-08-23	1993-08-23	Doublement du nombre de lignes de trame dans les recepteurs de television sans changer de frequence de trame

Publications (1)

Publication Number	Publication Date
CA2104645A1 true CA2104645A1 (fr)	1995-02-24

Family

ID=4152194

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002104645A Abandoned CA2104645A1 (fr)	1993-08-23	1993-08-23	Doublement du nombre de lignes de trame dans les recepteurs de television sans changer de frequence de trame

Country Status (1)

Country	Link
CA (1)	CA2104645A1 (fr)

1993
- 1993-08-23 CA CA002104645A patent/CA2104645A1/fr not_active Abandoned

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Legal Events

Date	Code	Title	Description
2000-08-10	EEER	Examination request
2002-08-23	FZDE	Discontinued
2022-09-10	FZDE	Discontinued	Effective date: 20020823