NO124568B - - Google Patents

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Info

Publication number
NO124568B
NO124568B NO1776/69A NO177669A NO124568B NO 124568 B NO124568 B NO 124568B NO 1776/69 A NO1776/69 A NO 1776/69A NO 177669 A NO177669 A NO 177669A NO 124568 B NO124568 B NO 124568B
Authority
NO
Norway
Prior art keywords
mass
holder
converter
sensitive element
sound
Prior art date
Application number
NO1776/69A
Other languages
English (en)
Norwegian (no)
Inventor
H Schlemm
P Mertens
Original Assignee
Krupp Gmbh
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
Priority claimed from DE19681762258 external-priority patent/DE1762258C3/de
Application filed by Krupp Gmbh filed Critical Krupp Gmbh
Publication of NO124568B publication Critical patent/NO124568B/no

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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
NO1776/69A 1968-05-10 1969-04-29 NO124568B (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681762258 DE1762258C3 (de) 1968-05-10 Körperschallentkoppelter elektroakustischer Wandler

Publications (1)

Publication Number Publication Date
NO124568B true NO124568B (en]) 1972-05-02

Family

ID=5696944

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1776/69A NO124568B (en]) 1968-05-10 1969-04-29

Country Status (6)

Country Link
US (1) US3550071A (en])
JP (1) JPS4930741B1 (en])
FR (1) FR2008234A1 (en])
GB (1) GB1241131A (en])
NL (1) NL161644C (en])
NO (1) NO124568B (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129850A (en) * 1973-11-12 1978-12-12 Raytheon Company Balanced transducer
FR2290812A1 (fr) * 1974-11-08 1976-06-04 Thomson Csf Transducteur electroacoustique pour immersion profonde
US4588867A (en) * 1982-04-27 1986-05-13 Masao Konomi Ear microphone
JPS631913U (en]) * 1986-06-20 1988-01-08
DE3739185A1 (de) * 1987-11-19 1989-06-01 Krupp Atlas Elektronik Gmbh Wandlerelement
JPH029319U (en]) * 1988-06-29 1990-01-22
US12173109B2 (en) 2019-06-03 2024-12-24 Hanwha Solutions Corporation Preparation method of hydrogenated petroleum resin

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2961637A (en) * 1955-06-24 1960-11-22 Bendix Corp Underwater transducer having a longitudinally vibratile element
US2947888A (en) * 1956-05-11 1960-08-02 Harris Transducer Corp Transducer construction
US3199071A (en) * 1961-04-20 1965-08-03 Dynamics Corp America Electroacoustic transducer construction suitable for operation in deep water

Also Published As

Publication number Publication date
NL6906550A (en]) 1969-11-12
DE1762258B2 (de) 1976-05-20
NL161644B (nl) 1979-09-17
JPS4930741B1 (en]) 1974-08-15
GB1241131A (en) 1971-07-28
US3550071A (en) 1970-12-22
NL161644C (nl) 1980-02-15
FR2008234A1 (en]) 1970-01-16
DE1762258A1 (de) 1970-04-23

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