FR430392A - Reproductive diaphragm for talking disc machines - Google Patents

Reproductive diaphragm for talking disc machines

Info

Publication number
FR430392A
FR430392A FR430392DA FR430392A FR 430392 A FR430392 A FR 430392A FR 430392D A FR430392D A FR 430392DA FR 430392 A FR430392 A FR 430392A
Authority
FR
France
Prior art keywords
talking
reproductive
diaphragm
disc machines
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
Other languages
French (fr)
Inventor
Louis Dhellin
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.)
LOUIS DHELLIN
Original Assignee
LOUIS DHELLIN
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 LOUIS DHELLIN filed Critical LOUIS DHELLIN
Application granted granted Critical
Publication of FR430392A publication Critical patent/FR430392A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR430392D 1911-06-01 1911-06-01 Reproductive diaphragm for talking disc machines Expired FR430392A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR430392T 1911-06-01

Publications (1)

Publication Number Publication Date
FR430392A true FR430392A (en) 1911-10-14

Family

ID=1472639

Family Applications (1)

Application Number Title Priority Date Filing Date
FR430392D Expired FR430392A (en) 1911-06-01 1911-06-01 Reproductive diaphragm for talking disc machines

Country Status (1)

Country Link
FR (1) FR430392A (en)

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