NL227532A - - Google Patents
Info
- Publication number
- NL227532A NL227532A NL227532DA NL227532A NL 227532 A NL227532 A NL 227532A NL 227532D A NL227532D A NL 227532DA NL 227532 A NL227532 A NL 227532A
- Authority
- NL
- Netherlands
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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Gyroscopes (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL226065 | 1958-03-20 | ||
| NL227532 | 1958-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL227532A true NL227532A (xx) |
Family
ID=26641642
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL113247D NL113247C (xx) | 1958-03-20 | ||
| NL226065D NL226065A (xx) | 1958-03-20 | ||
| NL227532D NL227532A (xx) | 1958-03-20 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL113247D NL113247C (xx) | 1958-03-20 | ||
| NL226065D NL226065A (xx) | 1958-03-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US3213207A (xx) |
| BE (1) | BE578379R (xx) |
| CH (2) | CH375921A (xx) |
| DE (1) | DE1164698B (xx) |
| FR (1) | FR1222046A (xx) |
| GB (1) | GB914558A (xx) |
| NL (3) | NL227532A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH411121A (de) * | 1962-12-19 | 1966-04-15 | Ceskoslovenska Akademie Ved | Spannungsstabilisator |
| US3537039A (en) * | 1968-08-26 | 1970-10-27 | Motorola Inc | Variable piezoelectric delay line |
| US3562563A (en) * | 1969-03-26 | 1971-02-09 | Motorola Inc | Circumferentially slotted tubular piezoelectric transformer |
| US4348609A (en) * | 1979-04-20 | 1982-09-07 | Murata Manufacturing Co., Ltd. | Piezoelectric vibrator with spurious mode suppression |
| US5225731A (en) * | 1991-06-13 | 1993-07-06 | Southwest Research Institute | Solid body piezoelectric bender transducer |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE590996C (de) * | 1932-07-20 | 1934-01-15 | Neufeldt & Kuhnke G M B H | Piezoelektrisches Kristallgebilde fuer Schallaufnahme- und Schallwiedergabevorrichtungen |
| US2439499A (en) * | 1942-08-20 | 1948-04-13 | Brush Dev Co | Piezoelectric motor |
| US2444590A (en) * | 1944-09-07 | 1948-07-06 | Brush Dev Co | Crystal plate and method of fabricating same |
| NL86929C (xx) * | 1948-06-12 | |||
| US2775460A (en) * | 1951-05-15 | 1956-12-25 | Ian M Shivack | Binaural recording system |
| US2858373A (en) * | 1952-07-18 | 1958-10-28 | Hans E Hollmann | Highly sensitive transducers with electromechanical feedback |
| US2928069A (en) * | 1954-10-13 | 1960-03-08 | Gulton Ind Inc | Transducer |
| US2834158A (en) * | 1955-01-28 | 1958-05-13 | Gulton Ind Inc | Ultrasonic drill |
| US2880334A (en) * | 1955-06-13 | 1959-03-31 | Bell Telephone Labor Inc | Ferroelectric torsional transducer |
| US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
| NL233135A (xx) * | 1957-11-13 |
-
0
- NL NL113247D patent/NL113247C/xx active
- NL NL226065D patent/NL226065A/xx unknown
- NL NL227532D patent/NL227532A/xx unknown
-
1959
- 1959-03-04 US US797079A patent/US3213207A/en not_active Expired - Lifetime
- 1959-03-17 CH CH7087359A patent/CH375921A/de unknown
- 1959-03-19 FR FR789781A patent/FR1222046A/fr not_active Expired
- 1959-05-01 GB GB14978/59A patent/GB914558A/en not_active Expired
- 1959-05-02 DE DEN16658A patent/DE1164698B/de active Pending
- 1959-05-02 CH CH7283159A patent/CH385505A/de unknown
- 1959-05-04 US US810856A patent/US3046360A/en not_active Expired - Lifetime
- 1959-05-04 BE BE578379A patent/BE578379R/fr active
Also Published As
| Publication number | Publication date |
|---|---|
| US3213207A (en) | 1965-10-19 |
| DE1164698B (de) | 1964-03-05 |
| BE578379R (fr) | 1959-11-04 |
| CH375921A (de) | 1964-03-15 |
| CH385505A (de) | 1964-12-15 |
| GB914558A (en) | 1963-01-02 |
| NL226065A (xx) | |
| FR1222046A (fr) | 1960-06-07 |
| US3046360A (en) | 1962-07-24 |
| NL113247C (xx) |