FR619732A - Apparatus for transforming electrical vibrations into mechanical vibrations - Google Patents

Apparatus for transforming electrical vibrations into mechanical vibrations

Info

Publication number
FR619732A
FR619732A FR619732DA FR619732A FR 619732 A FR619732 A FR 619732A FR 619732D A FR619732D A FR 619732DA FR 619732 A FR619732 A FR 619732A
Authority
FR
France
Prior art keywords
vibrations
transforming electrical
mechanical
mechanical vibrations
transforming
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR619732A publication Critical patent/FR619732A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR619732D 1925-10-21 1926-07-31 Apparatus for transforming electrical vibrations into mechanical vibrations Expired FR619732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL260230X 1925-10-21

Publications (1)

Publication Number Publication Date
FR619732A true FR619732A (en) 1927-04-07

Family

ID=19781471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR619732D Expired FR619732A (en) 1925-10-21 1926-07-31 Apparatus for transforming electrical vibrations into mechanical vibrations

Country Status (5)

Country Link
US (1) US1859758A (en)
BE (1) BE335671A (en)
FR (1) FR619732A (en)
GB (1) GB260230A (en)
NL (1) NL17820C (en)

Also Published As

Publication number Publication date
NL17820C (en)
GB260230A (en) 1927-04-28
BE335671A (en)
US1859758A (en) 1932-05-24

Similar Documents

Publication Publication Date Title
FR38530E (en) Device for the electrical transmission of images
FR619732A (en) Apparatus for transforming electrical vibrations into mechanical vibrations
FR610222A (en) Handling device for electrical switches
FR598321A (en) Apparatus for the electrical transmission of numbers
FR690372A (en) Apparatus for separating gas mixtures
FR567797A (en) Device for transforming compression effects into corresponding electrical effects
FR623633A (en) Apparatus for candying eggs
FR615856A (en) Device for making long-lasting waves
FR620405A (en) Electric device for advertising
FR592278A (en) Electrical apparatus for pyrography, pyrosculpture and similar applications
ES99107A1 (en) An apparatus for transforming electrical vibrations into mechanical vibrations.
FR624738A (en) Plot for electrical equipment
FR669391A (en) Apparatus for recording the operation of electrical devices
FR621557A (en) Rescue apparatus for castaways
FR604526A (en) Electric device for remote indication
FR609487A (en) Apparatus for cinematographic projections
FR603153A (en) Apparatus for theatrical performances
FR701316A (en) Advanced device for transforming mechanical vibrations into electrical waves
FR610522A (en) Apparatus for preparing dilutions
FR610377A (en) Starting device for machine
FR655327A (en) Apparatus for chinematographic projections
FR599262A (en) Descaling device for multitube generators
FR597027A (en) Apparatus for testing candles and magnetos
FR592300A (en) Tensioner for stereoscopic device
FR27749E (en) Trigger-disgorger device for binders