FR385838A - Training device for phonographs - Google Patents

Training device for phonographs

Info

Publication number
FR385838A
FR385838A FR385838DA FR385838A FR 385838 A FR385838 A FR 385838A FR 385838D A FR385838D A FR 385838DA FR 385838 A FR385838 A FR 385838A
Authority
FR
France
Prior art keywords
phonographs
training device
training
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.)
NEW JERSEY PATENT CO
Original Assignee
NEW JERSEY PATENT CO
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 NEW JERSEY PATENT CO filed Critical NEW JERSEY PATENT CO
Application granted granted Critical
Publication of FR385838A publication Critical patent/FR385838A/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
    • G11B3/36—Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves, e.g. by lead-screw
FR385838D 1907-01-03 1907-12-31 Training device for phonographs Expired FR385838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US385838XA 1907-01-03 1907-01-03

Publications (1)

Publication Number Publication Date
FR385838A true FR385838A (en) 1908-05-26

Family

ID=1431689

Family Applications (1)

Application Number Title Priority Date Filing Date
FR385838D Expired FR385838A (en) 1907-01-03 1907-12-31 Training device for phonographs

Country Status (1)

Country Link
FR (1) FR385838A (en)

Similar Documents

Publication Publication Date Title
FR385838A (en) Training device for phonographs
FR384015A (en) Indicating device for winding watch movements
FR418923A (en) Device for teaching the piano
FR8513E (en) Indicating device for winding watch movements
FR374209A (en) Tripod attachment device
FR9216E (en) Damping device for suspensions
FR381483A (en) Damping device for suspensions
FR384991A (en) Authenticity plaques with advertising device
FR373640A (en) Amusement device
FR362526A (en) Device for teaching the piano
FR382638A (en) Stopping device for tubes sliding one inside the other
FR369532A (en) Auto-relay recording device for electrical transmissions
FR385541A (en) Coupling device for railways
FR380573A (en) Protective device for tedders
FR374184A (en) Actuation device for oscillating bells
CH40837A (en) Suspension device for haversacks
FR406374A (en) Milliner's fitting device
FR369203A (en) Recording device for gramophones
FR7331E (en) Recording device for gramophones
FR14353E (en) Elevator-conveyor device
FR367888A (en) Elastic drive device for vehicles
FR375344A (en) Decentering device for camera lenses or others
FR370009A (en) Window stop device
FR384351A (en) Ignition device for lamps
FR385752A (en) Damper system for pianos