FR502220A - Improvements in phonographs or similar apparatus - Google Patents

Improvements in phonographs or similar apparatus

Info

Publication number
FR502220A
FR502220A FR502220A FR502220DA FR502220A FR 502220 A FR502220 A FR 502220A FR 502220 A FR502220 A FR 502220A FR 502220D A FR502220D A FR 502220DA FR 502220 A FR502220 A FR 502220A
Authority
FR
France
Prior art keywords
phonographs
similar apparatus
similar
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
FR502220A
Other languages
French (fr)
Inventor
Herbert Stephen Mills
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR502220A publication Critical patent/FR502220A/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
    • G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/14—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight
    • G11B3/16—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by using effects of gravity or inertia, e.g. counterweight adjustable
FR502220A 1919-08-04 1919-08-04 Improvements in phonographs or similar apparatus Expired FR502220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR502220T 1919-08-04

Publications (1)

Publication Number Publication Date
FR502220A true FR502220A (en) 1920-05-07

Family

ID=8906217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR502220A Expired FR502220A (en) 1919-08-04 1919-08-04 Improvements in phonographs or similar apparatus

Country Status (1)

Country Link
FR (1) FR502220A (en)

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