NL7708253A - NOISE REDUCTION CIRCUIT, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY DEPENDENT FILTER CIRCUIT. - Google Patents

NOISE REDUCTION CIRCUIT, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY DEPENDENT FILTER CIRCUIT.

Info

Publication number
NL7708253A
NL7708253A NL7708253A NL7708253A NL7708253A NL 7708253 A NL7708253 A NL 7708253A NL 7708253 A NL7708253 A NL 7708253A NL 7708253 A NL7708253 A NL 7708253A NL 7708253 A NL7708253 A NL 7708253A
Authority
NL
Netherlands
Prior art keywords
noise reduction
video signals
recorded video
frequency dependent
circuit
Prior art date
Application number
NL7708253A
Other languages
Dutch (nl)
Original Assignee
Elektrotechnik Eisenach Veb
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 Elektrotechnik Eisenach Veb filed Critical Elektrotechnik Eisenach Veb
Publication of NL7708253A publication Critical patent/NL7708253A/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • 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
    • H04N5/911—Television signal processing therefor for the suppression of noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Picture Signal Circuits (AREA)
  • Noise Elimination (AREA)
NL7708253A 1976-07-26 1977-07-25 NOISE REDUCTION CIRCUIT, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY DEPENDENT FILTER CIRCUIT. NL7708253A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD76194043A DD139378A1 (en) 1976-07-26 1976-07-26 CIRCUIT ARRANGEMENT FOR NOISE REDUCTION, IN PARTICULAR IN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, WITH A FREQUENCY-RELATED FILTER ARRANGEMENT
FR7724740A FR2400298A1 (en) 1976-07-26 1977-08-11 MOUNTING INTENDED TO REDUCE NOISE, IN PARTICULAR WHEN THE REPRODUCTION OF RECORDED VIDEO SIGNALS, AND INCLUDING FILTERING EQUIPMENT ACTING ACCORDING TO THE FREQUENCY

Publications (1)

Publication Number Publication Date
NL7708253A true NL7708253A (en) 1978-01-30

Family

ID=25747573

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708253A NL7708253A (en) 1976-07-26 1977-07-25 NOISE REDUCTION CIRCUIT, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY DEPENDENT FILTER CIRCUIT.

Country Status (5)

Country Link
DD (1) DD139378A1 (en)
DE (1) DE2731567A1 (en)
FR (1) FR2400298A1 (en)
GB (1) GB1586875A (en)
NL (1) NL7708253A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490427B1 (en) * 1980-09-16 1986-04-18 Thomson Csf DEMODULATOR OF A FREQUENCY MODULATED SIGNAL AND TELEVISION SYSTEM COMPRISING SUCH A DEMODULATOR
JPS57112188A (en) * 1980-12-29 1982-07-13 Pioneer Video Corp Erasing circuit for high frequency crosstalk in video disc reproducing device
JPS57168593A (en) * 1981-01-28 1982-10-16 Toshiba Corp Wide-band color demodulator
US4472733A (en) * 1982-09-01 1984-09-18 Rca Corporation Color channel signal-to-noise improvement in digital television
JPS62175025A (en) † 1986-01-25 1987-07-31 Fujitsu Ten Ltd Noise eliminator
KR920007491Y1 (en) * 1989-12-31 1992-10-15 삼성전자 주식회사 High quality video recording circuit
DE19546406C1 (en) * 1995-12-12 1997-05-22 Becker Gmbh Digital IF filter circuit for FM receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488359A (en) * 1940-03-11 1949-11-15 Hazeltine Research Inc Frequency-modulated carrier signal receiver
US3333055A (en) * 1963-06-01 1967-07-25 Fernseh Gmbh Apparatus for increasing the signal-to-noise ratio of a television signal
JPS5428981Y2 (en) * 1974-06-17 1979-09-17
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
FR2032118A5 (en) * 1969-02-19 1970-11-20 Thomson Csf
US3872387A (en) * 1972-09-29 1975-03-18 Zenith Radio Corp Frequency response modifier for fixed-tuned IF amplifiers

Also Published As

Publication number Publication date
DE2731567A1 (en) 1978-02-02
DD139378A1 (en) 1979-12-27
FR2400298A1 (en) 1979-03-09
GB1586875A (en) 1981-03-25

Similar Documents

Publication Publication Date Title
NL7707408A (en) DEVICE FOR THE DISPLAY OF VIDEO SIGNALS RECORDED ON A MAGNETIC TAPE RECORDED IN SUCCESSIVE, BALANCED TRACKS.
NL7700731A (en) CIRCUIT FOR RESTORING A SYNCHRONIZATION SIGNAL.
NL179243C (en) MAGNETIC DISK MEMORIES FOR CAPTURING ELECTRONIC SIGNALS.
NL192017C (en) Video noise reduction system.
NL7612358A (en) AMPLIFIER FOR ACOUSTIC SIGNALS EQUIPPED WITH MEANS FOR SUPPRESSING UNDESIRABLE INTERFERENCE SIGNALS.
NL7710997A (en) SYSTEM FOR PLAYBACK OF A COLOR-UNDER COMPOSITE SIGNAL FROM A RECORDED SIGNAL OF THE TYPE "COLOR-UNDER".
NL7711092A (en) DEVICE FOR ABSORBING AIR-PLANTED SOUND.
NL183611C (en) DEVICE FOR EDITING DATA, IN PARTICULAR NUMERIC AUDIO SIGNALS.
NL7708253A (en) NOISE REDUCTION CIRCUIT, ESPECIALLY WHEN PLAYING RECORDED VIDEO SIGNALS, WITH A FREQUENCY DEPENDENT FILTER CIRCUIT.
NL7610195A (en) PROCEDURE FOR REDUCING THE INTERFERENCE BETWEEN FREQUENCY MODULATED SIGNALS AND DEVICE FOR USING THIS PROCEDURE.
NL193888B (en) Sound detection circuit for öintercarrierö principle based sound detection in a television receiver.
NL7604119A (en) CIRCUIT FOR GENERATING A PULSE-WIDTH MODULATED SIGNAL.
NL7708996A (en) CAST WITH SOUND-ABSORBING PROPERTIES, PROCEDURE FOR MANUFACTURING SUCH CAST, AND AN EQUIPMENT EQUIPPED WITH SUCH CAST.
NL7601767A (en) BLOCK, ESPECIALLY FOR PLAY FOR EDUCATION.
NL182187C (en) RECEIVER FOR AM AND FM SIGNALS.
NL171786C (en) COUPLING, PARTICULARLY FOR RAIL VEHICLES.
NL7611009A (en) PROCEDURE FOR PRODUCING AND REPRODUCING SOUND OR VIDEO SIGNALS, AS WELL AS A DEVICE FOR APPLYING THE PROCEDURE.
NL7511328A (en) PROCEDURE FOR INCREASING THE SIGNAL TO NOISE RATIO AT A TIME DEPENDENT SIGNAL.
NL188135C (en) CIRCUIT FOR RECEIVING AN AMPLITUDE MODULATED SIGNAL.
NL167453B (en) DISCS FOR CAPTURE INFORMATION.
NL7611909A (en) CIRCUIT FOR CONVERTING A PULSE FLANK AND INFORMATION SIGNAL INTO AN AMPLITUDE INFORMATION SIGNAL.
NL7806252A (en) DEVICE FOR RECOGNIZING A FREQUENCY IN A MIC CODED SIGNAL.
NL7713231A (en) NOISE ELIMINATION SYSTEM.
NL188879C (en) CIRCUIT FOR REDUCING INTERMODULATION DISTORTION IN A FREQUENCY MODULATED SIGNAL.
JPS5242314A (en) Noise eliminating circuit

Legal Events

Date Code Title Description
BV The patent application has lapsed