NL105975C - - Google Patents
Info
- Publication number
- NL105975C NL105975C NL105975DA NL105975C NL 105975 C NL105975 C NL 105975C NL 105975D A NL105975D A NL 105975DA NL 105975 C NL105975 C NL 105975C
- 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
-
- 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
- H04R17/06—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Recording Measured Values (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL228118 | 1958-05-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL105975C true NL105975C (en:Method) |
Family
ID=19751221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL105975D NL105975C (en:Method) | 1958-05-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2997548A (en:Method) |
| DE (1) | DE1114334B (en:Method) |
| GB (1) | GB919488A (en:Method) |
| NL (1) | NL105975C (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL132049C (en:Method) * | 1958-10-31 | |||
| US3215786A (en) * | 1959-08-21 | 1965-11-02 | Astatic Corp | Universal monaural-binaural phonograph pickup cartridge |
| US3073915A (en) * | 1959-09-08 | 1963-01-15 | Haefliger William W | Stereophonic transducer means |
| US3227460A (en) * | 1962-12-11 | 1966-01-04 | Jensen Ind Inc | Phonograph pickup |
| DE1279363B (de) * | 1964-01-09 | 1968-10-03 | Telefunken Patent | Lagerung fuer die Kristallelemente eines Tonabnehmers |
| US3392358A (en) * | 1965-02-25 | 1968-07-09 | Sonotone Corp | Piezoresistive mechanoelectric transducers |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944118A (en) * | 1960-07-05 | Binaural phonograph pickup | ||
| US2105916A (en) * | 1934-09-05 | 1938-01-18 | Bell Telephone Labor Inc | Sound reproducing system |
| US2114471A (en) * | 1936-06-20 | 1938-04-19 | Bell Telephone Labor Inc | Sound recording and reproducing system |
| GB686777A (en) * | 1950-02-11 | 1953-01-28 | Adrian Francis Sykes | Improvements in electrical sound recording and reproducing apparatus |
| US2825763A (en) * | 1952-05-26 | 1958-03-04 | Vries Machiel De | Apparatus for transmitting mechanical vibrations |
| DE1029172B (de) * | 1954-08-21 | 1958-04-30 | Electroacustic Gmbh | Piezoelektrischer Tonabnehmer |
| US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
| NL109659C (en:Method) * | 1958-06-09 |
-
0
- NL NL105975D patent/NL105975C/xx active
-
1958
- 1958-08-28 US US757746A patent/US2997548A/en not_active Expired - Lifetime
-
1959
- 1959-05-20 GB GB17175/59A patent/GB919488A/en not_active Expired
- 1959-05-21 DE DEV16560A patent/DE1114334B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1114334B (de) | 1961-09-28 |
| GB919488A (en) | 1963-02-27 |
| US2997548A (en) | 1961-08-22 |