CH331379A - Elektromagnetischer Wandler mit luftdicht verschlossenem Raum - Google Patents

Elektromagnetischer Wandler mit luftdicht verschlossenem Raum

Info

Publication number
CH331379A
CH331379A CH331379DA CH331379A CH 331379 A CH331379 A CH 331379A CH 331379D A CH331379D A CH 331379DA CH 331379 A CH331379 A CH 331379A
Authority
CH
Switzerland
Prior art keywords
sealed space
electromagnetic transducer
airtight sealed
airtight
transducer
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Schenkel Gerrit
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of CH331379A publication Critical patent/CH331379A/de

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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Telephone Set Structure (AREA)
CH331379D 1954-07-23 1955-07-21 Elektromagnetischer Wandler mit luftdicht verschlossenem Raum CH331379A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL331379X 1954-07-23

Publications (1)

Publication Number Publication Date
CH331379A true CH331379A (de) 1958-07-15

Family

ID=19784383

Family Applications (1)

Application Number Title Priority Date Filing Date
CH331379D CH331379A (de) 1954-07-23 1955-07-21 Elektromagnetischer Wandler mit luftdicht verschlossenem Raum

Country Status (5)

Country Link
US (1) US2852627A (enrdf_load_stackoverflow)
BE (1) BE540009A (enrdf_load_stackoverflow)
CH (1) CH331379A (enrdf_load_stackoverflow)
GB (1) GB791295A (enrdf_load_stackoverflow)
NL (1) NL85836C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179749A (en) * 1960-03-03 1965-04-20 Milton L Snow Telephone instrument controlling device
NL274625A (enrdf_load_stackoverflow) * 1961-02-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1644788A (en) * 1922-12-08 1927-10-11 Western Electric Co Acoustic device
US2249161A (en) * 1939-05-19 1941-07-15 Bell Telephone Labor Inc Electroacoustic device

Also Published As

Publication number Publication date
NL85836C (enrdf_load_stackoverflow)
US2852627A (en) 1958-09-16
BE540009A (enrdf_load_stackoverflow)
GB791295A (en) 1958-02-26

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