FR481835A - Perfectionnements apportés aux mécanismes de transmission ou de transformation des micro-mouvements - Google Patents

Perfectionnements apportés aux mécanismes de transmission ou de transformation des micro-mouvements

Info

Publication number
FR481835A
FR481835A FR481835A FR481835DA FR481835A FR 481835 A FR481835 A FR 481835A FR 481835 A FR481835 A FR 481835A FR 481835D A FR481835D A FR 481835DA FR 481835 A FR481835 A FR 481835A
Authority
FR
France
Prior art keywords
movements
micro
transmission
transformation mechanisms
transformation
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
FR481835A
Other languages
English (en)
French (fr)
Inventor
Jonas Albert Johnsen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR481835A publication Critical patent/FR481835A/fr
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
    • H04R21/00—Variable-resistance transducers
    • H04R21/02—Microphones
    • H04R21/021—Microphones with granular resistance material

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR481835A 1915-05-22 1916-05-20 Perfectionnements apportés aux mécanismes de transmission ou de transformation des micro-mouvements Expired FR481835A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO100528X 1915-05-22

Publications (1)

Publication Number Publication Date
FR481835A true FR481835A (fr) 1917-01-23

Family

ID=32294157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR481835A Expired FR481835A (fr) 1915-05-22 1916-05-20 Perfectionnements apportés aux mécanismes de transmission ou de transformation des micro-mouvements

Country Status (3)

Country Link
DE (1) DE306273C (enrdf_load_stackoverflow)
FR (1) FR481835A (enrdf_load_stackoverflow)
GB (1) GB100528A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE306273C (enrdf_load_stackoverflow)
GB100528A (en) 1917-02-12

Similar Documents

Publication Publication Date Title
FR481835A (fr) Perfectionnements apportés aux mécanismes de transmission ou de transformation des micro-mouvements
FR485021A (fr) Perfectionnements aux appareils d'hydrothérapie
FR480189A (fr) Perfectionnements aux brancards ou civières
FR480758A (fr) Brasero ou poele
FR486506A (fr) Réchaud pour troupes en campagne ou en manoeuvres
FR481434A (fr) Perfectionnements relatifs aux accouplements universels
FR20724E (fr) Combinaison d'appareils fonctionnels pour le poignet
FR20522E (fr) Combinaison d'appareils fonctionnels pour le poignet
FR498779A (fr) Perfectionnements aux embiellages
FR513589A (fr) Perfectionnements apportés aux articulations d'essieu
FR513491A (fr) Perfectionnements apportés à la construction des fours à coke
FR482544A (fr) Jeu de massacre des alliés contre l'ennemi commun
FR485053A (fr) Perfectionnements relatifs aux fours oscillants ou roulants
FR517130A (fr) Console réglable pour la construction des batiments et autres applications
FR488960A (fr) Perfectionnements apportés ou relatifs aux condenseurs de vapeur et aux appareils analogues
CA166669A (en) Ball cock
CA165078A (en) Ball cock
CA165452A (en) Dairy register
CA164293A (en) Deep tilling device
CA164896A (en) Coffin fastener
CA164901A (en) Drain pipe
CA163985A (en) Drain pipe
CA169592A (en) Draft device
CA162031A (en) Draft appliance
FR457589A (fr) Jeu de récréation pour deux personnes ou plus