GB2138237B - System for reducing the noise in a television signal - Google Patents

System for reducing the noise in a television signal

Info

Publication number
GB2138237B
GB2138237B GB08404371A GB8404371A GB2138237B GB 2138237 B GB2138237 B GB 2138237B GB 08404371 A GB08404371 A GB 08404371A GB 8404371 A GB8404371 A GB 8404371A GB 2138237 B GB2138237 B GB 2138237B
Authority
GB
United Kingdom
Prior art keywords
noise
reducing
television signal
television
signal
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
GB08404371A
Other versions
GB8404371D0 (en
GB2138237A (en
Inventor
Gerhard Illetschko
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB8404371D0 publication Critical patent/GB8404371D0/en
Publication of GB2138237A publication Critical patent/GB2138237A/en
Application granted granted Critical
Publication of GB2138237B publication Critical patent/GB2138237B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N5/144—Movement detection
    • 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)
  • Picture Signal Circuits (AREA)
GB08404371A 1983-03-18 1984-02-20 System for reducing the noise in a television signal Expired GB2138237B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833309715 DE3309715A1 (en) 1983-03-18 1983-03-18 SYSTEM FOR REDUCING NOISE IN A TELEVISION SIGNAL

Publications (3)

Publication Number Publication Date
GB8404371D0 GB8404371D0 (en) 1984-03-28
GB2138237A GB2138237A (en) 1984-10-17
GB2138237B true GB2138237B (en) 1987-01-14

Family

ID=6193840

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08404371A Expired GB2138237B (en) 1983-03-18 1984-02-20 System for reducing the noise in a television signal

Country Status (2)

Country Link
DE (1) DE3309715A1 (en)
GB (1) GB2138237B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639784A (en) * 1985-02-19 1987-01-27 Rca Corporation Video signal recursive filter adaptively controlled responsive to the history of image motion
US4661853A (en) * 1985-11-01 1987-04-28 Rca Corporation Interfield image motion detector for video signals
FR2593698A1 (en) * 1986-01-31 1987-08-07 Labo Electronique Physique ULTRASONIC ULTRASOUND ULTRASONIC MOVEMENT MEDIUM EXAMINATION APPARATUS
DE3617827A1 (en) * 1986-05-26 1987-12-03 Hertz Inst Heinrich Method and circuit arrangement for reducing noise in digitised television signals
US4868650A (en) * 1988-03-07 1989-09-19 Rca Licensing Corporation Circuitry for expanding the effect of a video control signal in multiple dimensions
FI89850C (en) * 1991-12-30 1993-11-25 Salon Televisiotehdas Oy Method and filters for removing noise from an image sequence
EP0796010B1 (en) * 1996-03-12 2001-08-01 Matsushita Electric Industrial Co., Ltd. Noise reduction circuit for a TV receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1515551A (en) * 1975-04-25 1978-06-28 British Broadcasting Corp Noise reduction in electrical signals
JPS54127623A (en) * 1978-03-27 1979-10-03 Nec Corp S/n improving device for television video signal
GB2031686B (en) * 1978-09-14 1983-02-02 Micro Consultants Ltd Movement detection
GB2033190B (en) * 1978-09-21 1983-02-09 Sony Corp Video noise reduction system
DE3121597C3 (en) * 1981-05-30 1993-09-30 Bosch Gmbh Robert System for reducing noise in a television picture signal

Also Published As

Publication number Publication date
GB8404371D0 (en) 1984-03-28
DE3309715A1 (en) 1984-09-20
DE3309715C2 (en) 1989-12-28
GB2138237A (en) 1984-10-17

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990220