FR506343A - Perfectionnements apportés aux machines parlantes - Google Patents

Perfectionnements apportés aux machines parlantes

Info

Publication number
FR506343A
FR506343A FR506343A FR506343DA FR506343A FR 506343 A FR506343 A FR 506343A FR 506343 A FR506343 A FR 506343A FR 506343D A FR506343D A FR 506343DA FR 506343 A FR506343 A FR 506343A
Authority
FR
France
Prior art keywords
talking machines
talking
machines
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
FR506343A
Other languages
English (en)
Inventor
Horace Hurm
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 FR506343A publication Critical patent/FR506343A/fr
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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
    • 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
    • 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
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephone Set Structure (AREA)
  • Finger-Pressure Massage (AREA)
FR506343A 1919-05-13 1919-05-13 Perfectionnements apportés aux machines parlantes Expired FR506343A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR506343T 1919-05-13

Publications (1)

Publication Number Publication Date
FR506343A true FR506343A (fr) 1920-08-19

Family

ID=8909091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR506343A Expired FR506343A (fr) 1919-05-13 1919-05-13 Perfectionnements apportés aux machines parlantes

Country Status (3)

Country Link
CH (1) CH90735A (fr)
FR (1) FR506343A (fr)
GB (3) GB152956A (fr)

Also Published As

Publication number Publication date
GB152956A (en) 1921-04-21
GB145069A (en) 1921-09-16
CH90735A (de) 1921-09-16
GB152955A (en) 1921-07-28

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