FR633364A - Organes vibrants coniques pour haut-parleurs - Google Patents
Organes vibrants coniques pour haut-parleursInfo
- Publication number
- FR633364A FR633364A FR633364DA FR633364A FR 633364 A FR633364 A FR 633364A FR 633364D A FR633364D A FR 633364DA FR 633364 A FR633364 A FR 633364A
- Authority
- FR
- France
- Prior art keywords
- loudspeakers
- vibrating bodies
- conical vibrating
- conical
- bodies
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1802910X | 1926-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR633364A true FR633364A (fr) | 1928-01-27 |
Family
ID=19873123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR633364D Expired FR633364A (fr) | 1926-05-14 | 1927-04-26 | Organes vibrants coniques pour haut-parleurs |
Country Status (5)
Country | Link |
---|---|
US (1) | US1802910A (fr) |
BE (1) | BE341622A (fr) |
DE (1) | DE502053C (fr) |
FR (1) | FR633364A (fr) |
NL (1) | NL18673C (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2681390A (en) * | 1951-01-23 | 1954-06-15 | Rola Company Inc | Diaphragm for loud speakers |
US4562899A (en) * | 1982-06-16 | 1986-01-07 | Nippon Gakki Seizo Kabushiki Kaisha | Diaphragm of electroacoustic transducer and method of manufacturing the same |
-
0
- NL NL18673D patent/NL18673C/xx active
- BE BE341622D patent/BE341622A/xx unknown
-
1927
- 1927-04-26 FR FR633364D patent/FR633364A/fr not_active Expired
- 1927-04-26 DE DEN27222D patent/DE502053C/de not_active Expired
- 1927-05-02 US US188077A patent/US1802910A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US1802910A (en) | 1931-04-28 |
NL18673C (fr) | |
BE341622A (fr) | |
DE502053C (de) | 1930-07-08 |
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