JPS55150162A - High-speed retrieval system for video information content of video disk - Google Patents

High-speed retrieval system for video information content of video disk

Info

Publication number
JPS55150162A
JPS55150162A JP5572379A JP5572379A JPS55150162A JP S55150162 A JPS55150162 A JP S55150162A JP 5572379 A JP5572379 A JP 5572379A JP 5572379 A JP5572379 A JP 5572379A JP S55150162 A JPS55150162 A JP S55150162A
Authority
JP
Japan
Prior art keywords
track
control
retrieval
speed retrieval
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.)
Granted
Application number
JP5572379A
Other languages
Japanese (ja)
Other versions
JPS6223509B2 (en
Inventor
Kazuo Tatsuguchi
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP5572379A priority Critical patent/JPS55150162A/en
Priority to DE3017280A priority patent/DE3017280C2/en
Priority to US06/148,014 priority patent/US4322748A/en
Priority to NLAANVRAGE8002645,A priority patent/NL183426C/en
Priority to FR8010503A priority patent/FR2456363B1/en
Priority to GB8015499A priority patent/GB2055237B/en
Publication of JPS55150162A publication Critical patent/JPS55150162A/en
Publication of JPS6223509B2 publication Critical patent/JPS6223509B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)

Abstract

PURPOSE: To make stable and high-speed retrieval possible for reproduced pictures which never cause disturbance, by performing the high-speed retrieval under tracking servo-control by the use of a track shift pulse signal generated at a random time position.
CONSTITUTION: Driving mechanism 15 putting reproducing element 2 into servo- tracking operation is applied with control pulses from track reference signals of both sides of a track through LPF 4 and BPFs 5, 6, 12 etc., control pulses from control pulse generator 13 detecting a rotary-phase signal, etc., and a track displacement signal, etc., from differential amplifier 10. To retrieve a desired image under a supervision over a reproduced picture, retrieval signal generating circuit 16 generates a track shift pulse at a random time position corresponding to retrieval direction signal T and it is applied to mechanism 15 together with the pulse from generator 13. As a result, element 2 is track-moved under tracking servo-control, so that stable and high-speed retrieval which neither disturbs the reproduced picture nor de- teriorates video information and disperses noises in terms of time can be carried out.
COPYRIGHT: (C)1980,JPO&Japio
JP5572379A 1979-05-09 1979-05-09 High-speed retrieval system for video information content of video disk Granted JPS55150162A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP5572379A JPS55150162A (en) 1979-05-09 1979-05-09 High-speed retrieval system for video information content of video disk
DE3017280A DE3017280C2 (en) 1979-05-09 1980-05-06 Reproduction device in a device for reproducing signals from a rotating recording medium
US06/148,014 US4322748A (en) 1979-05-09 1980-05-08 High-speed reproducing system in apparatus for reproducing information signals recorded on a rotary recording medium
NLAANVRAGE8002645,A NL183426C (en) 1979-05-09 1980-05-08 HIGH SPEED DISPLAY SYSTEM IN AN APPARATUS FOR DISPLAYING INFORMATION SIGNALS RECORDED ON A ROTARY RECORD MEDIUM.
FR8010503A FR2456363B1 (en) 1979-05-09 1980-05-09 HIGH SPEED REPRODUCING DEVICE FOR INFORMATION REPRODUCING APPARATUSES RECORDED ON A ROTATING RECORDING MEDIUM
GB8015499A GB2055237B (en) 1979-05-09 1980-05-09 High-speed reproducing system in apparatus for reproducinginformation signals recorded on a rotary recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5572379A JPS55150162A (en) 1979-05-09 1979-05-09 High-speed retrieval system for video information content of video disk

Publications (2)

Publication Number Publication Date
JPS55150162A true JPS55150162A (en) 1980-11-21
JPS6223509B2 JPS6223509B2 (en) 1987-05-23

Family

ID=13006774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5572379A Granted JPS55150162A (en) 1979-05-09 1979-05-09 High-speed retrieval system for video information content of video disk

Country Status (1)

Country Link
JP (1) JPS55150162A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746373U (en) * 1980-08-30 1982-03-15
JPS6035381A (en) * 1983-08-04 1985-02-23 Sanyo Electric Co Ltd Track jumping circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746373U (en) * 1980-08-30 1982-03-15
JPS6035381A (en) * 1983-08-04 1985-02-23 Sanyo Electric Co Ltd Track jumping circuit
JPH0325863B2 (en) * 1983-08-04 1991-04-09 Sanyo Electric Co

Also Published As

Publication number Publication date
JPS6223509B2 (en) 1987-05-23

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