NL161644C - Elektro-akoestische omzetter met omzetelement. - Google Patents
Elektro-akoestische omzetter met omzetelement.Info
- Publication number
- NL161644C NL161644C NL6906550.A NL6906550A NL161644C NL 161644 C NL161644 C NL 161644C NL 6906550 A NL6906550 A NL 6906550A NL 161644 C NL161644 C NL 161644C
- Authority
- NL
- Netherlands
- Prior art keywords
- converter
- electro
- acoustic
- converter element
- acoustic converter
- Prior art date
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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681762258 DE1762258C3 (de) | 1968-05-10 | Körperschallentkoppelter elektroakustischer Wandler |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6906550A NL6906550A (nl) | 1969-11-12 |
NL161644B NL161644B (nl) | 1979-09-17 |
NL161644C true NL161644C (nl) | 1980-02-15 |
Family
ID=5696944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6906550.A NL161644C (nl) | 1968-05-10 | 1969-04-28 | Elektro-akoestische omzetter met omzetelement. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3550071A (nl) |
JP (1) | JPS4930741B1 (nl) |
FR (1) | FR2008234A1 (nl) |
GB (1) | GB1241131A (nl) |
NL (1) | NL161644C (nl) |
NO (1) | NO124568B (nl) |
Families Citing this family (6)
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 (nl) * | 1986-06-20 | 1988-01-08 | ||
DE3739185A1 (de) * | 1987-11-19 | 1989-06-01 | Krupp Atlas Elektronik Gmbh | Wandlerelement |
JPH029319U (nl) * | 1988-06-29 | 1990-01-22 |
Family Cites Families (3)
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 |
-
1969
- 1969-04-28 NL NL6906550.A patent/NL161644C/nl not_active IP Right Cessation
- 1969-04-29 NO NO1776/69A patent/NO124568B/no unknown
- 1969-05-09 GB GB23822/69A patent/GB1241131A/en not_active Expired
- 1969-05-09 FR FR6914916A patent/FR2008234A1/fr not_active Withdrawn
- 1969-05-09 US US823417A patent/US3550071A/en not_active Expired - Lifetime
- 1969-05-10 JP JP44036098A patent/JPS4930741B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL161644B (nl) | 1979-09-17 |
NO124568B (nl) | 1972-05-02 |
US3550071A (en) | 1970-12-22 |
DE1762258A1 (de) | 1970-04-23 |
NL6906550A (nl) | 1969-11-12 |
FR2008234A1 (nl) | 1970-01-16 |
GB1241131A (en) | 1971-07-28 |
JPS4930741B1 (nl) | 1974-08-15 |
DE1762258B2 (de) | 1976-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: KRUPP |