FR1349043A - Cross-track magnetic tape recording device - Google Patents

Cross-track magnetic tape recording device

Info

Publication number
FR1349043A
FR1349043A FR926851A FR926851A FR1349043A FR 1349043 A FR1349043 A FR 1349043A FR 926851 A FR926851 A FR 926851A FR 926851 A FR926851 A FR 926851A FR 1349043 A FR1349043 A FR 1349043A
Authority
FR
France
Prior art keywords
cross
magnetic tape
recording device
tape recording
track magnetic
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
FR926851A
Other languages
French (fr)
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.)
Rank Bush Murphy Ltd
Original Assignee
Rank Bush Murphy 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
Priority claimed from GB629862A external-priority patent/GB963918A/en
Application filed by Rank Bush Murphy Ltd filed Critical Rank Bush Murphy Ltd
Priority to FR926851A priority Critical patent/FR1349043A/en
Application granted granted Critical
Publication of FR1349043A publication Critical patent/FR1349043A/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
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14—Lining predominantly with metal
    • E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/22—Clamps or other yieldable means for interconnecting adjacent arch members either rigidly, or allowing arch member parts to slide when subjected to excessive pressure
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/14—Masking or switching periodically, e.g. of rotating heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR926851A 1962-02-19 1963-03-05 Cross-track magnetic tape recording device Expired FR1349043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR926851A FR1349043A (en) 1962-02-19 1963-03-05 Cross-track magnetic tape recording device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB629862A GB963918A (en) 1962-02-19 1962-02-19 Transverse-track magnetic tape recording apparatus
FR926851A FR1349043A (en) 1962-02-19 1963-03-05 Cross-track magnetic tape recording device

Publications (1)

Publication Number Publication Date
FR1349043A true FR1349043A (en) 1964-01-10

Family

ID=26200090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926851A Expired FR1349043A (en) 1962-02-19 1963-03-05 Cross-track magnetic tape recording device

Country Status (1)

Country Link
FR (1) FR1349043A (en)

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