NL89196C - - Google Patents
Info
- Publication number
- NL89196C NL89196C NL89196DA NL89196C NL 89196 C NL89196 C NL 89196C NL 89196D A NL89196D A NL 89196DA NL 89196 C NL89196 C NL 89196C
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
-
- 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
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US275776A US2771514A (en) | 1952-03-10 | 1952-03-10 | Electromechanical transducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL89196C true NL89196C (https=) |
Family
ID=23053746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL89196D NL89196C (https=) | 1952-03-10 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2771514A (https=) |
| NL (1) | NL89196C (https=) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2519185A (en) * | 1947-03-21 | 1950-08-15 | Brush Dev Co | Phonograph pickup |
| US2594948A (en) * | 1947-10-30 | 1952-04-29 | Brush Dev Co | Electromechanical transducer unit |
-
0
- NL NL89196D patent/NL89196C/xx active
-
1952
- 1952-03-10 US US275776A patent/US2771514A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2771514A (en) | 1956-11-20 |