FR29391E - Device for recording sounds - Google Patents

Device for recording sounds

Info

Publication number
FR29391E
FR29391E FR29391DA FR29391E FR 29391 E FR29391 E FR 29391E FR 29391D A FR29391D A FR 29391DA FR 29391 E FR29391 E FR 29391E
Authority
FR
France
Prior art keywords
recording sounds
sounds
recording
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
Adrian Francis Sykes
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 filed Critical
Application granted granted Critical
Publication of FR29391E publication Critical patent/FR29391E/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • 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
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Telephone Function (AREA)
  • Level Indicators Using A Float (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR29391D 1919-11-18 1924-07-21 Device for recording sounds Expired FR29391E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2858219A GB160223A (en) 1919-11-18 1919-11-18 Improvements in telephonic and like apparatus
GB29391X 1923-07-21

Publications (1)

Publication Number Publication Date
FR29391E true FR29391E (en) 1925-07-25

Family

ID=40451138

Family Applications (3)

Application Number Title Priority Date Filing Date
FR536796D Expired FR536796A (en) 1919-11-18 1921-01-31 Device for recording sounds
FR29316D Expired FR29316E (en) 1919-11-18 1924-06-27 Device for recording sounds
FR29391D Expired FR29391E (en) 1919-11-18 1924-07-21 Device for recording sounds

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR536796D Expired FR536796A (en) 1919-11-18 1921-01-31 Device for recording sounds
FR29316D Expired FR29316E (en) 1919-11-18 1924-06-27 Device for recording sounds

Country Status (3)

Country Link
DE (1) DE400634C (en)
FR (3) FR536796A (en)
GB (9) GB160223A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL55929B (en) * 1930-03-10
NL61306C (en) * 1937-10-07
BE472060A (en) * 1945-12-11
US3164686A (en) * 1959-09-21 1965-01-05 Tibbetts Industries Electrodynamic transducer
FR1269138A (en) * 1960-06-23 1961-08-11 Improvements to loudspeakers, microphones, and similar electrodynamic devices
EP0065883A3 (en) * 1981-05-26 1984-01-11 Celestion International Limited Ring radiator for loudspeakers
GB2123651B (en) * 1982-06-29 1986-08-06 Stanley Kelly Transducers
DE3507726A1 (en) * 1985-03-05 1986-09-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart MEMBRANE FOR PLANAR SPEAKER
DE19610997B4 (en) * 1996-03-21 2006-07-13 Sennheiser Electronic Gmbh & Co. Kg Electrodynamic transducer with magnetic gap sealing and hearing aid
DE10036100C1 (en) 2000-07-25 2002-02-14 Adidas Int Bv Sports shoe has inner sole layer with openings, support layer with second openings that overlap first openings and outer sole layer with at least one opening that overlaps second openings
GB2562709A (en) * 2017-04-04 2018-11-28 Arthur Brice Richard Operation of an electrodynamic gramophone pickup as a displacement-sensitive transducer by detecting short-circuit current

Also Published As

Publication number Publication date
GB301437A (en) 1928-11-27
GB227391A (en) 1925-01-05
GB220420A (en) 1924-08-21
GB236313A (en) 1925-07-09
GB190759A (en) 1922-12-29
GB160223A (en) 1921-03-18
FR29316E (en) 1925-07-24
GB227162A (en) 1925-01-05
GB194424A (en) 1923-03-15
GB222924A (en) 1924-10-03
DE400634C (en) 1924-08-16
FR536796A (en) 1922-05-09

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