AT243345B - Durch veränderbare Pressung regelbarer akustischer Reibungswiderstand - Google Patents
Durch veränderbare Pressung regelbarer akustischer ReibungswiderstandInfo
- Publication number
- AT243345B AT243345B AT798663A AT798663A AT243345B AT 243345 B AT243345 B AT 243345B AT 798663 A AT798663 A AT 798663A AT 798663 A AT798663 A AT 798663A AT 243345 B AT243345 B AT 243345B
- Authority
- AT
- Austria
- Prior art keywords
- acoustical
- regulated
- frictional resistance
- variable pressure
- variable
- Prior art date
Links
- 230000001105 regulatory effect Effects 0.000 title 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT798663A AT243345B (de) | 1963-10-04 | 1963-10-04 | Durch veränderbare Pressung regelbarer akustischer Reibungswiderstand |
DE19641437376 DE1437376A1 (de) | 1963-10-04 | 1964-07-10 | Reibungswiderstand fuer Mikrophone mit veraenderbarer Richtcharakteristik und/oder veraenderbarem Frequenzgang |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT798663A AT243345B (de) | 1963-10-04 | 1963-10-04 | Durch veränderbare Pressung regelbarer akustischer Reibungswiderstand |
Publications (1)
Publication Number | Publication Date |
---|---|
AT243345B true AT243345B (de) | 1965-11-10 |
Family
ID=3601323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT798663A AT243345B (de) | 1963-10-04 | 1963-10-04 | Durch veränderbare Pressung regelbarer akustischer Reibungswiderstand |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT243345B (de) |
DE (1) | DE1437376A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417909A1 (fr) * | 1978-02-17 | 1979-09-14 | Thaille Jean Louis | Regulateur de pression (ou charge) acoustique |
US4264788A (en) * | 1979-01-31 | 1981-04-28 | Princo Instruments, Inc. | Damped ultrasonic detection unit |
JPS59216397A (ja) * | 1983-05-23 | 1984-12-06 | ハ−マン・インタ−ナシヨナル・インダストリイズ,インコ−ポレイテツド | トランスジユ−サ、該トランスジユ−サの同調方法及び該同調方法に使用するトランスジユ−サ |
-
1963
- 1963-10-04 AT AT798663A patent/AT243345B/de active
-
1964
- 1964-07-10 DE DE19641437376 patent/DE1437376A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1437376A1 (de) | 1968-10-24 |
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