CA964388A - Reducing unwanted modulation in a communications system - Google Patents

Reducing unwanted modulation in a communications system

Info

Publication number
CA964388A
CA964388A CA164,139A CA164139A CA964388A CA 964388 A CA964388 A CA 964388A CA 164139 A CA164139 A CA 164139A CA 964388 A CA964388 A CA 964388A
Authority
CA
Canada
Prior art keywords
communications system
reducing unwanted
unwanted modulation
modulation
reducing
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
CA164,139A
Other languages
English (en)
Other versions
CA164139S (en
Inventor
Antony T. Bence
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Application granted granted Critical
Publication of CA964388A publication Critical patent/CA964388A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/02—Details
    • H03D1/04—Modifications of demodulators to reduce interference by undesired signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Picture Signal Circuits (AREA)
  • Amplitude Modulation (AREA)
CA164,139A 1972-02-16 1973-02-15 Reducing unwanted modulation in a communications system Expired CA964388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB722272A GB1362131A (en) 1972-02-16 1972-02-16 Reducing unwanted modulation in a communication system

Publications (1)

Publication Number Publication Date
CA964388A true CA964388A (en) 1975-03-11

Family

ID=9828974

Family Applications (1)

Application Number Title Priority Date Filing Date
CA164,139A Expired CA964388A (en) 1972-02-16 1973-02-15 Reducing unwanted modulation in a communications system

Country Status (7)

Country Link
JP (1) JPS4890613A (ref)
BE (1) BE795302A (ref)
CA (1) CA964388A (ref)
DE (1) DE2307806A1 (ref)
FR (1) FR2172268B1 (ref)
GB (3) GB1362131A (ref)
NL (1) NL7301427A (ref)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403114A (nl) * 1984-10-12 1986-05-01 Philips Nv Televisieopneemstelsel dat werkzaam is met van elkaar afwijkende wisselspanningsnetfrekwentie en televisie rasterfrekwentie, en daartoe geschikte televisieopneeminrichting.
GB8510985D0 (en) * 1985-04-30 1985-06-05 British Broadcasting Corp Television cameras

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2137613B1 (de) * 1970-10-23 1973-02-01 Siemens AG, 1000 Berlin u 8000 München Schaltungsanordnung fuer bildfernsprecher zur beseitigung von stoerungen auf dem bildschirm

Also Published As

Publication number Publication date
FR2172268A1 (ref) 1973-09-28
GB1464113A (en) 1977-02-09
GB1464114A (en) 1977-02-09
JPS4890613A (ref) 1973-11-26
NL7301427A (ref) 1973-08-20
FR2172268B1 (ref) 1977-02-11
DE2307806A1 (de) 1973-08-30
BE795302A (fr) 1973-05-29
GB1362131A (en) 1974-07-30

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