JPS5690684A - Video signal regenerator - Google Patents

Video signal regenerator

Info

Publication number
JPS5690684A
JPS5690684A JP16863979A JP16863979A JPS5690684A JP S5690684 A JPS5690684 A JP S5690684A JP 16863979 A JP16863979 A JP 16863979A JP 16863979 A JP16863979 A JP 16863979A JP S5690684 A JPS5690684 A JP S5690684A
Authority
JP
Japan
Prior art keywords
signal
supplied
memory means
regenerated
video 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.)
Pending
Application number
JP16863979A
Other languages
Japanese (ja)
Inventor
Ichitaro Sato
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP16863979A priority Critical patent/JPS5690684A/en
Publication of JPS5690684A publication Critical patent/JPS5690684A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

PURPOSE:To obtain a variable-speed-mode regenerated signal free from noises, by storing a memory means with the digital video signal that corresponds to a part having an invariably large S/N ratio. CONSTITUTION:A regenerated signal from regenerative amplifier 2 is suppied to envelope detecting circuit 9, whose detection output is supplied to switching signal generating circuit 10 and a switching signal which is the output of circuit 10 is supplied to switch means 7. Thus, level detecting means 8 is constituted. When the level of the variable-speed-mode regenerated signal is greater than a reference value the regenerated signal is supplied as a write signal to memory means 1 and when smaller, a readout signal from memory means 1 is supplied as a write signal to memory means 1. Thus, switch means 7 is change over.
JP16863979A 1979-12-25 1979-12-25 Video signal regenerator Pending JPS5690684A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16863979A JPS5690684A (en) 1979-12-25 1979-12-25 Video signal regenerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16863979A JPS5690684A (en) 1979-12-25 1979-12-25 Video signal regenerator

Publications (1)

Publication Number Publication Date
JPS5690684A true JPS5690684A (en) 1981-07-22

Family

ID=15871761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16863979A Pending JPS5690684A (en) 1979-12-25 1979-12-25 Video signal regenerator

Country Status (1)

Country Link
JP (1) JPS5690684A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037890A (en) * 1983-08-10 1985-02-27 Victor Co Of Japan Ltd Magnetic reproducing device
WO1987007461A1 (en) * 1986-05-28 1987-12-03 Mitsubishi Denki Kabushiki Kaisha Image reproducing apparatus
JPS6370676A (en) * 1986-09-12 1988-03-30 Mitsubishi Electric Corp Video recording and reproducing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341921A (en) * 1976-09-18 1978-04-15 Bosch Gmbh Robert Method of reproducing video signals recorded on respective tracks of recording carrier
JPS5462719A (en) * 1977-10-27 1979-05-21 Nec Corp Playback system for still and slow-motion pictures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341921A (en) * 1976-09-18 1978-04-15 Bosch Gmbh Robert Method of reproducing video signals recorded on respective tracks of recording carrier
JPS5462719A (en) * 1977-10-27 1979-05-21 Nec Corp Playback system for still and slow-motion pictures

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6037890A (en) * 1983-08-10 1985-02-27 Victor Co Of Japan Ltd Magnetic reproducing device
WO1987007461A1 (en) * 1986-05-28 1987-12-03 Mitsubishi Denki Kabushiki Kaisha Image reproducing apparatus
US5003406A (en) * 1986-05-28 1991-03-26 Mitsubishi Denki Kabushiki Kaisha Video image reproducing apparatus which eliminates a noise bar in the image by using a field memory
JPS6370676A (en) * 1986-09-12 1988-03-30 Mitsubishi Electric Corp Video recording and reproducing device

Similar Documents

Publication Publication Date Title
JPS52142936A (en) Semiconductor memory circuit
JPS5345120A (en) Video special effect device
JPS5333542A (en) Signal detection circuit
JPS5690684A (en) Video signal regenerator
JPS5317315A (en) Reproducer
JPS543504A (en) Address signal searching syste of information recording medium reproducer
JPS5558808A (en) Magnetic recording and reproducing unit
JPS5327011A (en) Instantaneous c ompressing circuit
JPS52124307A (en) Video disc player
JPS6430030A (en) Optical disk device
JPS5397809A (en) Compressing and extending system
JPS5362451A (en) Clip circuit for am signal
JPS5390909A (en) Tracking control system for magnetic picture recorder/reproducer
GB1551070A (en) Dropout detector circuit
JPS5355935A (en) Sample holding circuit
JPS53149715A (en) Correcting device for contour
JPS5354915A (en) Multiple signal demodulation system
JPS5440016A (en) Fail soft receiving high frequency amplifier
JPS5573944A (en) Data processing system
JPS5319835A (en) Recording device
JPS536552A (en) Variable gain amplifier
JPS51130208A (en) Apparatus for recording and reproducing
JPS5542451A (en) Envelope detection circuit
JPS5211744A (en) Analogue signal memory
JPS52149109A (en) Compander circuit