FR2289084A2 - IMPROVEMENTS TO METHODS AND DEVICES FOR RECORDING AND REPRODUCING IMAGE SIGNALS AND TO APPARATUS INCLUDING SUCH DEVICES - Google Patents
IMPROVEMENTS TO METHODS AND DEVICES FOR RECORDING AND REPRODUCING IMAGE SIGNALS AND TO APPARATUS INCLUDING SUCH DEVICESInfo
- Publication number
- FR2289084A2 FR2289084A2 FR7435449A FR7435449A FR2289084A2 FR 2289084 A2 FR2289084 A2 FR 2289084A2 FR 7435449 A FR7435449 A FR 7435449A FR 7435449 A FR7435449 A FR 7435449A FR 2289084 A2 FR2289084 A2 FR 2289084A2
- Authority
- FR
- France
- Prior art keywords
- devices
- recording
- methods
- apparatus including
- image signals
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
- H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element
-
- 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
- H04N5/917—Television signal processing therefor for bandwidth reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Signal Processing For Recording (AREA)
- Closed-Circuit Television Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7435449A FR2289084A2 (en) | 1974-10-22 | 1974-10-22 | IMPROVEMENTS TO METHODS AND DEVICES FOR RECORDING AND REPRODUCING IMAGE SIGNALS AND TO APPARATUS INCLUDING SUCH DEVICES |
GB4323075A GB1509975A (en) | 1974-10-22 | 1975-10-21 | Recording apparatus coding circuit for an image signal and corresponding decoding circuit |
NL7512367A NL7512367A (en) | 1974-10-22 | 1975-10-22 | DEVICE FOR REGISTRATION OF A TELEVISION PICTURE SIGNAL. |
DE19752547333 DE2547333C3 (en) | 1974-10-22 | 1975-10-22 | Encoding and decoding circuit for a television picture signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7435449A FR2289084A2 (en) | 1974-10-22 | 1974-10-22 | IMPROVEMENTS TO METHODS AND DEVICES FOR RECORDING AND REPRODUCING IMAGE SIGNALS AND TO APPARATUS INCLUDING SUCH DEVICES |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2289084A2 true FR2289084A2 (en) | 1976-05-21 |
FR2289084B1 FR2289084B1 (en) | 1980-07-18 |
Family
ID=9144357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7435449A Granted FR2289084A2 (en) | 1974-10-22 | 1974-10-22 | IMPROVEMENTS TO METHODS AND DEVICES FOR RECORDING AND REPRODUCING IMAGE SIGNALS AND TO APPARATUS INCLUDING SUCH DEVICES |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2547333C3 (en) |
FR (1) | FR2289084A2 (en) |
GB (1) | GB1509975A (en) |
NL (1) | NL7512367A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2938349C2 (en) * | 1979-09-21 | 1983-05-26 | Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt | Circuit arrangement for a compatible increase in resolution in television systems |
-
1974
- 1974-10-22 FR FR7435449A patent/FR2289084A2/en active Granted
-
1975
- 1975-10-21 GB GB4323075A patent/GB1509975A/en not_active Expired
- 1975-10-22 NL NL7512367A patent/NL7512367A/en not_active Application Discontinuation
- 1975-10-22 DE DE19752547333 patent/DE2547333C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2547333B2 (en) | 1979-12-13 |
GB1509975A (en) | 1978-05-10 |
DE2547333C3 (en) | 1980-08-28 |
NL7512367A (en) | 1976-04-26 |
FR2289084B1 (en) | 1980-07-18 |
DE2547333A1 (en) | 1976-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |