GB888468A - Improvements in or relating to electro-mechanical transducers - Google Patents
Improvements in or relating to electro-mechanical transducersInfo
- Publication number
- GB888468A GB888468A GB8176/58A GB817658A GB888468A GB 888468 A GB888468 A GB 888468A GB 8176/58 A GB8176/58 A GB 8176/58A GB 817658 A GB817658 A GB 817658A GB 888468 A GB888468 A GB 888468A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electro
- relating
- mechanical transducers
- reproducing
- march
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000002463 transducing effect Effects 0.000 abstract 1
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)
- Recording Measured Values (AREA)
- Endoscopes (AREA)
- Toys (AREA)
Abstract
888,468. Recording and reproducing. TELEFUNKEN G.m.b.H. March 14, 1958 [March 14, 1957], No. 8176/58. Addition to 834,572. Class 40 (4). Apparatus for recording and reproducing from a stereophonic gramophone record of the type described and claimed in the parent Specification is modified by the provision of grooves 25-28 in a soft plastic bar in the mechanism between the two transducing systems.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE834572X | 1955-07-02 | ||
DET13358A DE1059680B (en) | 1955-07-02 | 1957-03-14 | Pickup or cutting box for the simultaneous playback or recording of two scripts with mutually perpendicular directions of oscillation |
Publications (1)
Publication Number | Publication Date |
---|---|
GB888468A true GB888468A (en) | 1962-01-31 |
Family
ID=25949742
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20347/56A Expired GB834572A (en) | 1955-07-02 | 1956-07-02 | Improvements in or relating to electro-mechanical transducers for use in sound recording or reproducing apparatus |
GB8176/58A Expired GB888468A (en) | 1955-07-02 | 1958-03-14 | Improvements in or relating to electro-mechanical transducers |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB20347/56A Expired GB834572A (en) | 1955-07-02 | 1956-07-02 | Improvements in or relating to electro-mechanical transducers for use in sound recording or reproducing apparatus |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1059680B (en) |
GB (2) | GB834572A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3183311A (en) * | 1959-02-24 | 1965-05-11 | Electro Voice | Piezoelectric phonograph pickup with compliant yoke |
DE1422083A1 (en) * | 1960-04-22 | 1968-10-03 | Vries Machiel De | Stereophonic pickup |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE828447C (en) * | 1949-09-17 | 1952-01-17 | Siemens & Halske A G | Electric pickup |
-
1956
- 1956-07-02 GB GB20347/56A patent/GB834572A/en not_active Expired
-
1957
- 1957-03-14 DE DET13358A patent/DE1059680B/en active Pending
-
1958
- 1958-03-14 GB GB8176/58A patent/GB888468A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB834572A (en) | 1960-05-11 |
DE1059680B (en) | 1959-06-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB888468A (en) | Improvements in or relating to electro-mechanical transducers | |
GB897323A (en) | Improvements in or relating to transducer arrangements for use in sound recording and reproducing | |
GB795617A (en) | Improved magnetic tape recording and reproducing system and apparatus | |
GB789367A (en) | Improvements in or relating to electro-mechanical transducers for use in sound recording or reproducing systems | |
GB1023908A (en) | Speech and sound reproducing device in dolls,figures and other articles | |
GB850043A (en) | Improvements in or relating to gramophone pick-ups | |
CA589675A (en) | Driving mechanism for magnetic record medium | |
GB1254922A (en) | Multiple sequence sound reproducer | |
GB963219A (en) | Improvements in and relating to sound recording and reproducing apparatus | |
GB1199444A (en) | Sound Reproduction Instrument. | |
GB636993A (en) | Improvements in or relating to sound recording and reproducing apparatus | |
CA524523A (en) | Sound recording or reproducing apparatus | |
GB831459A (en) | Improvements in or relating to phonographic apparatus | |
CA511618A (en) | Sound recording and reproducing system with recorded control signal | |
CA514554A (en) | Sound recording or reproducing apparatus | |
AU165817B2 (en) | Improvements in or relating to magnetic recording, and reproducing sound unit | |
CA501829A (en) | Magnetic sound recording medium | |
GB866204A (en) | Sound recording or reproducing apparatus | |
GB887223A (en) | Improvements in or relating to driving mechanisms of sound record transducing apparatus | |
GB633488A (en) | Improvements in or relating to phonographic recording and reproducing apparatus | |
CA499228A (en) | Reprocessing phonograph record disks | |
CA518126A (en) | Sound recording and reproducing apparatus | |
CA507052A (en) | Record controlled reproducing system | |
AU209004B2 (en) | Means for controlling the movements ofthe record and sound headin sound recording and reproducing apparatus | |
AU150628B2 (en) | Improvements in or relating to apparatus for reproducing from gramophone record discs |