FR1174054A - Polarized electromagnetic device - Google Patents

Polarized electromagnetic device

Info

Publication number
FR1174054A
FR1174054A FR1174054A FR1174054A FR1174054A FR 1174054 A FR1174054 A FR 1174054A FR 1174054 A FR1174054 A FR 1174054A FR 1174054 A FR1174054 A FR 1174054A FR 1174054 A FR1174054 A FR 1174054A
Authority
FR
France
Prior art keywords
electromagnetic device
polarized electromagnetic
polarized
electromagnetic
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
FR1174054A
Other languages
French (fr)
Inventor
Sten Daniel Vigren
Per Harry Elias Claesson
Rolf Albin Zander
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40546051&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR1174054(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Application granted granted Critical
Publication of FR1174054A publication Critical patent/FR1174054A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
    • B07B13/003—Separation of articles by differences in their geometrical form or by difference in their physical properties, e.g. elasticity, compressibility, hardness
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature
FR1174054A 1956-03-29 1957-03-29 Polarized electromagnetic device Expired FR1174054A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE316856 1956-03-29
SE93757 1957-01-31

Publications (1)

Publication Number Publication Date
FR1174054A true FR1174054A (en) 1959-03-05

Family

ID=40546051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1174054A Expired FR1174054A (en) 1956-03-29 1957-03-29 Polarized electromagnetic device

Country Status (3)

Country Link
DE (1) DE1276105B (en)
FR (1) FR1174054A (en)
GB (1) GB806428A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299039B (en) * 1966-04-19 1969-07-10 Indian Telephone Ind Ltd Doora Electromagnetic vibrating device
US7376237B2 (en) 2004-09-02 2008-05-20 Oticon A/S Vibrator for bone-conduction hearing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE511229C (en) * 1927-12-30 1930-10-27 Fein Maschb Ges M B H Device for supporting the balanced drive armature of electromagnetic loudspeakers
DE943411C (en) * 1940-06-27 1956-05-17 Eugen Beyer Moving coil microphone
FR963909A (en) * 1947-06-06 1950-07-26
BE500297A (en) * 1951-10-31
US2692918A (en) * 1952-07-09 1954-10-26 Samuel I Berger Magnetic sound powered telephone
CH326617A (en) * 1953-10-23 1957-12-31 Tesla Np Sound reproduction device

Also Published As

Publication number Publication date
DE1276105B (en) 1968-08-29
GB806428A (en) 1958-12-23

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