FR681893A - Improvements made to readers of talking machines or other similar applications - Google Patents

Improvements made to readers of talking machines or other similar applications

Info

Publication number
FR681893A
FR681893A FR681893DA FR681893A FR 681893 A FR681893 A FR 681893A FR 681893D A FR681893D A FR 681893DA FR 681893 A FR681893 A FR 681893A
Authority
FR
France
Prior art keywords
readers
improvements made
similar applications
talking machines
talking
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.)
ATELIERS DE MONTAGE ET D EBENI
Original Assignee
ATELIERS DE MONTAGE ET D EBENI
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 ATELIERS DE MONTAGE ET D EBENI filed Critical ATELIERS DE MONTAGE ET D EBENI
Application granted granted Critical
Publication of FR681893A publication Critical patent/FR681893A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR681893D 1929-09-17 1929-09-17 Improvements made to readers of talking machines or other similar applications Expired FR681893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR681893T 1929-09-17

Publications (1)

Publication Number Publication Date
FR681893A true FR681893A (en) 1930-05-20

Family

ID=9023048

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681893D Expired FR681893A (en) 1929-09-17 1929-09-17 Improvements made to readers of talking machines or other similar applications

Country Status (1)

Country Link
FR (1) FR681893A (en)

Similar Documents

Publication Publication Date Title
FR681893A (en) Improvements made to readers of talking machines or other similar applications
FR711195A (en) Improvements made to thermostatic switches
FR650242A (en) Improvements to blocking machines or other similar applications
FR695148A (en) Improvements to stylographs
FR689473A (en) Improvements to micro-telephones
FR669406A (en) Improvements to diaphragms for phonographs or other similar applications
FR690150A (en) Cosmetic case or other similar applications
FR708204A (en) Improvements to cosmetic or other cases
FR665593A (en) Felt for hats and other applications
FR688257A (en) Improvements to norias or other lifting devices
FR689909A (en) Improvements made to norias or other lifting devices
FR698675A (en) Improvements made to gyrostats
FR673087A (en) Improvements to mechanical razors
FR690234A (en) Improvements to phonographs
FR694920A (en) Improvements to phonographs
FR623388A (en) Improvements to glasses
FR654141A (en) Improvements to thermostats
FR692363A (en) Improvements to leaflets or directory cards
FR40332E (en) cosmetic case or other similar applications
FR603280A (en) Improvements to gramophones or other similar machines
FR705996A (en) Book of Cards
FR703441A (en) Improvements to totalizers
FR700520A (en) Improvements to mechanical backfillers
FR711194A (en) Improvements made to thermostatic switches
FR705251A (en) Improvements to talking cinematographs