FR36875E - Improvements in the production of phonograms - Google Patents

Improvements in the production of phonograms

Info

Publication number
FR36875E
FR36875E FR36875DA FR36875E FR 36875 E FR36875 E FR 36875E FR 36875D A FR36875D A FR 36875DA FR 36875 E FR36875 E FR 36875E
Authority
FR
France
Prior art keywords
phonograms
production
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR36875E publication Critical patent/FR36875E/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/34—Driving or guiding during transducing operation
    • G11B3/38—Guiding, e.g. constructions or arrangements providing linear or other special tracking characteristics
FR36875D 1928-05-11 1929-05-08 Improvements in the production of phonograms Expired FR36875E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1395328A GB317305A (en) 1928-05-11 1928-05-11 Improvements in and relating to sound reproducing instruments

Publications (1)

Publication Number Publication Date
FR36875E true FR36875E (en) 1930-09-20

Family

ID=10032349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36875D Expired FR36875E (en) 1928-05-11 1929-05-08 Improvements in the production of phonograms

Country Status (2)

Country Link
FR (1) FR36875E (en)
GB (1) GB317305A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515273A (en) * 1944-10-31 1950-07-18 Rca Corp Slidably supported pickup head

Also Published As

Publication number Publication date
GB317305A (en) 1929-08-12

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