NL6813994A - - Google Patents
Info
- Publication number
- NL6813994A NL6813994A NL6813994A NL6813994A NL6813994A NL 6813994 A NL6813994 A NL 6813994A NL 6813994 A NL6813994 A NL 6813994A NL 6813994 A NL6813994 A NL 6813994A NL 6813994 A NL6813994 A NL 6813994A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6813994A NL6813994A (cg-RX-API-DMAC10.html) | 1968-09-30 | 1968-09-30 | |
| AT911469A AT309549B (de) | 1968-09-30 | 1969-09-26 | Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt |
| DE19691948933 DE1948933A1 (de) | 1968-09-30 | 1969-09-27 | Wandler zur Umwandlung von akustischen Schwingungen in elektrische Schwingungen und umgekehrt in Form einer Schwingplatte mit mindestens einer Schicht aus piezoelektrischem Material |
| GB1226077D GB1226077A (cg-RX-API-DMAC10.html) | 1968-09-30 | 1969-09-29 | |
| FR6933265A FR2019219A1 (cg-RX-API-DMAC10.html) | 1968-09-30 | 1969-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6813994A NL6813994A (cg-RX-API-DMAC10.html) | 1968-09-30 | 1968-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6813994A true NL6813994A (cg-RX-API-DMAC10.html) | 1970-04-01 |
Family
ID=19804800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6813994A NL6813994A (cg-RX-API-DMAC10.html) | 1968-09-30 | 1968-09-30 |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT309549B (cg-RX-API-DMAC10.html) |
| NL (1) | NL6813994A (cg-RX-API-DMAC10.html) |
-
1968
- 1968-09-30 NL NL6813994A patent/NL6813994A/xx unknown
-
1969
- 1969-09-26 AT AT911469A patent/AT309549B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT309549B (de) | 1973-08-27 |