NL7002895A - - Google Patents
Info
- Publication number
- NL7002895A NL7002895A NL7002895A NL7002895A NL7002895A NL 7002895 A NL7002895 A NL 7002895A NL 7002895 A NL7002895 A NL 7002895A NL 7002895 A NL7002895 A NL 7002895A NL 7002895 A NL7002895 A NL 7002895A
- 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7002895A NL7002895A (https=) | 1970-02-28 | 1970-02-28 | |
| DE19712105154 DE2105154A1 (de) | 1970-02-28 | 1971-02-04 | Anordnung zum Umsetzen von Tonschwingungen in elektrische Schwingungen und/oder umgekehrt |
| FR7106480A FR2080823B3 (https=) | 1970-02-28 | 1971-02-25 | |
| AT161471A AT307532B (de) | 1970-02-28 | 1971-02-25 | Anordnung zum Umsetzen von Tonschwingungen in elektrische Schwingungen und bzw. oder umgekehrt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7002895A NL7002895A (https=) | 1970-02-28 | 1970-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7002895A true NL7002895A (https=) | 1971-08-31 |
Family
ID=19809464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7002895A NL7002895A (https=) | 1970-02-28 | 1970-02-28 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT307532B (https=) |
| DE (1) | DE2105154A1 (https=) |
| FR (1) | FR2080823B3 (https=) |
| NL (1) | NL7002895A (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE364589B (https=) * | 1971-09-28 | 1974-02-25 | G Bolin |
-
1970
- 1970-02-28 NL NL7002895A patent/NL7002895A/xx unknown
-
1971
- 1971-02-04 DE DE19712105154 patent/DE2105154A1/de active Pending
- 1971-02-25 FR FR7106480A patent/FR2080823B3/fr not_active Expired
- 1971-02-25 AT AT161471A patent/AT307532B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2080823B3 (https=) | 1973-10-19 |
| AT307532B (de) | 1973-05-25 |
| DE2105154A1 (de) | 1971-09-23 |
| FR2080823A7 (https=) | 1971-11-19 |