CA977456A - System for reproducing mechanically recorded signals - Google Patents

System for reproducing mechanically recorded signals

Info

Publication number
CA977456A
CA977456A CA138,630A CA138630A CA977456A CA 977456 A CA977456 A CA 977456A CA 138630 A CA138630 A CA 138630A CA 977456 A CA977456 A CA 977456A
Authority
CA
Canada
Prior art keywords
reproducing
recorded signals
mechanically recorded
mechanically
signals
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
CA138,630A
Other versions
CA138630S (en
Inventor
Gerhard Dickopp
Helmut Batsch
Wilhelm Runge
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.)
TED Bildplatten AG AEG Telefunken Teldec
Original Assignee
TED Bildplatten AG AEG Telefunken Teldec
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
Priority claimed from DE2115480A external-priority patent/DE2115480C3/en
Priority claimed from DE19722211389 external-priority patent/DE2211389C2/en
Application filed by TED Bildplatten AG AEG Telefunken Teldec filed Critical TED Bildplatten AG AEG Telefunken Teldec
Application granted granted Critical
Publication of CA977456A publication Critical patent/CA977456A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/03—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
    • G11B11/06—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles with reproducing by mechanical sensing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/445—Styli particularly adapted for sensing video discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Optical Recording Or Reproduction (AREA)
CA138,630A 1971-03-31 1972-03-30 System for reproducing mechanically recorded signals Expired CA977456A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2115480A DE2115480C3 (en) 1971-03-31 1971-03-31 Method for recording information, in particular high-frequency video signals, on signal carriers by means of high-energy beams, for example lasers or electron beams, and for their reproduction
DE19722211389 DE2211389C2 (en) 1972-03-09 1972-03-09 Method for information storage and reproduction, carrier for carrying out the method and method for producing the carrier

Publications (1)

Publication Number Publication Date
CA977456A true CA977456A (en) 1975-11-04

Family

ID=25760889

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,630A Expired CA977456A (en) 1971-03-31 1972-03-30 System for reproducing mechanically recorded signals

Country Status (12)

Country Link
JP (1) JPS502082B1 (en)
BE (1) BE781564A (en)
CA (1) CA977456A (en)
CH (1) CH547538A (en)
DD (1) DD96111A1 (en)
DK (1) DK133315C (en)
GB (1) GB1390784A (en)
HU (1) HU165756B (en)
IE (1) IE36945B1 (en)
IT (1) IT950967B (en)
NL (1) NL7204186A (en)
SE (1) SE376503B (en)

Also Published As

Publication number Publication date
HU165756B (en) 1974-10-28
JPS502082B1 (en) 1975-01-23
GB1390784A (en) 1975-04-16
NL7204186A (en) 1972-10-03
SE376503B (en) 1975-05-26
IT950967B (en) 1973-06-20
DD96111A1 (en) 1973-03-12
IE36945B1 (en) 1977-03-30
BE781564A (en) 1972-07-17
CH547538A (en) 1974-03-29
IE36945L (en) 1972-09-30
DK133315B (en) 1976-04-26
DK133315C (en) 1976-09-27

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