FR1462631A - Appareil de contrôle de l'état d'organes reproducteurs d'enregistrement - Google Patents

Appareil de contrôle de l'état d'organes reproducteurs d'enregistrement

Info

Publication number
FR1462631A
FR1462631A FR44421A FR44421A FR1462631A FR 1462631 A FR1462631 A FR 1462631A FR 44421 A FR44421 A FR 44421A FR 44421 A FR44421 A FR 44421A FR 1462631 A FR1462631 A FR 1462631A
Authority
FR
France
Prior art keywords
recording
condition monitor
reproductive organ
organ condition
reproductive
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
FR44421A
Other languages
English (en)
French (fr)
Inventor
Keith Geoffrey Caldwell
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 AU53477/64A external-priority patent/AU401715B2/en
Application filed filed Critical
Application granted granted Critical
Publication of FR1462631A publication Critical patent/FR1462631A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K5/00—Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices
    • 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
    • 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
    • G11B3/68—Record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
FR44421A 1964-12-30 1965-12-30 Appareil de contrôle de l'état d'organes reproducteurs d'enregistrement Expired FR1462631A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU53477/64A AU401715B2 (en) 1964-12-30 Stylus and equipment testing record for record players
AU5582265 1965-03-02

Publications (1)

Publication Number Publication Date
FR1462631A true FR1462631A (fr) 1966-12-16

Family

ID=25630080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR44421A Expired FR1462631A (fr) 1964-12-30 1965-12-30 Appareil de contrôle de l'état d'organes reproducteurs d'enregistrement

Country Status (6)

Country Link
US (1) US3460841A (index.php)
BE (1) BE674554A (index.php)
DE (1) DE1447987B2 (index.php)
FR (1) FR1462631A (index.php)
GB (1) GB1134100A (index.php)
NL (1) NL6517067A (index.php)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375095A (en) * 1981-01-05 1983-02-22 Rca Corporation Method and apparatus for testing styli
US4416144A (en) * 1982-04-21 1983-11-22 Sperry Corporation Apparatus for evaluating slider flying dynamics
US4541716A (en) * 1983-04-15 1985-09-17 Rca Corporation Detection of defects in a circular or spiral diffraction grating
US5163334A (en) * 1990-10-24 1992-11-17 Simonds Industries Inc. Circular saw testing technique

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740296A (en) * 1952-12-11 1956-04-03 Permo Inc Phonograph needle comparator

Also Published As

Publication number Publication date
GB1134100A (en) 1968-11-20
NL6517067A (index.php) 1966-07-01
DE1447987B2 (de) 1974-03-14
US3460841A (en) 1969-08-12
DE1447987A1 (de) 1969-03-20
BE674554A (index.php) 1966-05-16

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