GB1387427A - Tv communications system - Google Patents

Tv communications system

Info

Publication number
GB1387427A
GB1387427A GB132572A GB132572A GB1387427A GB 1387427 A GB1387427 A GB 1387427A GB 132572 A GB132572 A GB 132572A GB 132572 A GB132572 A GB 132572A GB 1387427 A GB1387427 A GB 1387427A
Authority
GB
United Kingdom
Prior art keywords
signal
mhz
filter
chrominance
band
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
GB132572A
Other languages
English (en)
Inventor
Leonard S Golding
Ronald K Garlow
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.)
Comsat Corp
Original Assignee
Comsat 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 Comsat Corp filed Critical Comsat Corp
Publication of GB1387427A publication Critical patent/GB1387427A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Radio Relay Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Networks Using Active Elements (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Picture Signal Circuits (AREA)
GB132572A 1971-01-11 1972-01-11 Tv communications system Expired GB1387427A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10538671A 1971-01-11 1971-01-11

Publications (1)

Publication Number Publication Date
GB1387427A true GB1387427A (en) 1975-03-19

Family

ID=22305545

Family Applications (3)

Application Number Title Priority Date Filing Date
GB132572A Expired GB1387427A (en) 1971-01-11 1972-01-11 Tv communications system
GB4241574A Expired GB1387429A (en) 1971-01-11 1972-01-11 Communication system
GB3893074A Expired GB1387428A (en) 1971-01-11 1972-01-11 Filtering system

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB4241574A Expired GB1387429A (en) 1971-01-11 1972-01-11 Communication system
GB3893074A Expired GB1387428A (en) 1971-01-11 1972-01-11 Filtering system

Country Status (7)

Country Link
JP (1) JPS588193B1 (enExample)
CA (1) CA956725A (enExample)
DE (1) DE2201066C2 (enExample)
FR (1) FR2121761B1 (enExample)
GB (3) GB1387427A (enExample)
IT (1) IT948824B (enExample)
SE (3) SE379263B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464685A (en) * 1980-01-30 1984-08-07 Sony Corporation Method and apparatus for decoding and recording composite digital television signals to prevent degradation of the signals

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199091U (enExample) * 1984-12-06 1986-06-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464685A (en) * 1980-01-30 1984-08-07 Sony Corporation Method and apparatus for decoding and recording composite digital television signals to prevent degradation of the signals

Also Published As

Publication number Publication date
DE2201066C2 (de) 1983-01-20
IT948824B (it) 1973-06-11
CA956725A (en) 1974-10-22
GB1387428A (en) 1975-03-19
SE402691B (sv) 1978-07-10
DE2201066A1 (de) 1972-08-10
GB1387429A (en) 1975-03-19
FR2121761B1 (enExample) 1973-06-29
JPS588193B1 (enExample) 1983-02-15
FR2121761A1 (enExample) 1972-08-25
SE7506409L (sv) 1975-06-04
SE7506408L (sv) 1975-06-04
SE402692B (sv) 1978-07-10
SE379263B (enExample) 1975-09-29

Similar Documents

Publication Publication Date Title
US3858240A (en) Reduced rate sampling process in pulse code modulation of analog signals
SU1158056A3 (ru) Устройство дл обработки телевизионных сигналов
EP0196315B1 (en) Frequency generation for multiplexed analog component color television encoding and decoding
GB1431378A (en) Colour information translating systems
GB685496A (en) Colour television system
GB1436877A (en) Video colour signal recovery
US4291331A (en) Digital processing of N.T.S.C. color television signals
GB1425273A (en) Signal translating apparatus
ES413913A1 (es) Perfeccionamientos en codificadores secuenciales de lineas para sistemas de registro o grabacion de television en co- lor.
GB1387427A (en) Tv communications system
KR0170630B1 (ko) 휘도/색신호 전처리장치
US2855573A (en) Electrical filter
US4333104A (en) Color demodulating apparatus with cross-color cancellation
US4400718A (en) Digital television transmission using chrominance inversion
GB1511230A (en) Colour television
GB1224917A (en) Method and apparatus for changing a simultaneous television signal to a line sequential signal and vice versa
GB2126822A (en) Video signal processing
GB1424314A (en) Video signal processing system
CA1146262A (en) Apparatus for the digitization of video-frequency television signals
GB1524356A (en) Corporation sync separator
HK48587A (en) Chrominance signal processor
GB1064498A (en) Improvements in systems for the generation of special effects in colour television
GB1580724A (en) Colour television
JP2597610B2 (ja) テレビジョンオフセットビート除去装置
GB1252950A (enExample)

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee