FR1061480A - Système de transformation acoustique - Google Patents
Système de transformation acoustiqueInfo
- Publication number
- FR1061480A FR1061480A FR1061480DA FR1061480A FR 1061480 A FR1061480 A FR 1061480A FR 1061480D A FR1061480D A FR 1061480DA FR 1061480 A FR1061480 A FR 1061480A
- Authority
- FR
- France
- Prior art keywords
- transformation system
- acoustic transformation
- acoustic
- transformation
- 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
Links
- 230000009466 transformation 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
- 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL304777X | 1951-08-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1061480A true FR1061480A (fr) | 1954-04-13 |
Family
ID=19783449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1061480D Expired FR1061480A (fr) | 1951-08-17 | 1952-08-14 | Système de transformation acoustique |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE513534A (fr) |
CH (1) | CH304777A (fr) |
DE (1) | DE926498C (fr) |
FR (1) | FR1061480A (fr) |
GB (1) | GB709355A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101319175B1 (ko) * | 2007-02-28 | 2013-10-16 | 가부시기가이샤 템코 재팬 | 진동 픽업형 마이크로폰 |
-
0
- BE BE513534D patent/BE513534A/xx unknown
-
1952
- 1952-08-14 FR FR1061480D patent/FR1061480A/fr not_active Expired
- 1952-08-14 GB GB20459/52A patent/GB709355A/en not_active Expired
- 1952-08-14 DE DEN5926A patent/DE926498C/de not_active Expired
- 1952-08-15 CH CH304777D patent/CH304777A/de unknown
Also Published As
Publication number | Publication date |
---|---|
BE513534A (fr) | |
GB709355A (en) | 1954-05-19 |
DE926498C (de) | 1955-04-18 |
CH304777A (de) | 1955-01-31 |
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