GB989143A - Improvements in or relating to phonographic pickup cartridges - Google Patents
Improvements in or relating to phonographic pickup cartridgesInfo
- Publication number
- GB989143A GB989143A GB2713663A GB2713663A GB989143A GB 989143 A GB989143 A GB 989143A GB 2713663 A GB2713663 A GB 2713663A GB 2713663 A GB2713663 A GB 2713663A GB 989143 A GB989143 A GB 989143A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stylus
- barrel
- drive rod
- pick
- coupler
- 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
- 244000043261 Hevea brasiliensis Species 0.000 abstract 1
- 241001422033 Thestylus Species 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 229920005549 butyl rubber Polymers 0.000 abstract 1
- 239000004568 cement Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920003052 natural elastomer Polymers 0.000 abstract 1
- 229920001194 natural rubber Polymers 0.000 abstract 1
- 230000000717 retained 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)
- Moving Of Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
989,143. Phonograph pick-ups. GENERAL ELECTRIC CO. July 9, 1963 [July 30, 1962], No. 27136/63. Heading H4J. A V-shaped coupler for a pick-up is made from rubberlike material such as butyl rubber or natural rubber and is shaped to have tapered legs. A stereophonic pick-up (Fig. 4) comprises a two-part housing 11, the interior of which contains two flat ceramic transducer elements 16, 17 (16, Fig. 5, not shown) having their major faces perpendicular to one another. The elements 16, 17 are mechanically connected to a stylus assembly 26 by a V-shaped coupler 41 (Fig. 6 or Fig. 8) having a slit or slot 42 for insertion or removal of stylus assembly 26. The stylus assembly 26 comprises a stylus drive rod 36 embedded at its rear end in rubber contained in the forward portion of a barrel 27. The front portion of stylus drive rod 36 is flattened and oppositely directed styli 37, 38 are retained therein in drilled holes by adhesive or cement The barrel 27 is manually rotatable through 180 degrees by a lever (Fig. 3, not shown) extending laterally therefrom. A spring clip 33 engages against flattened portion 31 or 32 of the barrel 27 in accordance with whether stylus 38 or 37 is in operative position. Transducer elements 16, 17 fit snugly in apertures 161, 171 of coupler 41 and drive rod 36 fits closely in aperture 48.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21335262A | 1962-07-30 | 1962-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB989143A true GB989143A (en) | 1965-04-14 |
Family
ID=22794792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2713663A Expired GB989143A (en) | 1962-07-30 | 1963-07-09 | Improvements in or relating to phonographic pickup cartridges |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1879753U (en) |
| GB (1) | GB989143A (en) |
-
1963
- 1963-07-09 GB GB2713663A patent/GB989143A/en not_active Expired
- 1963-07-19 DE DE1963G0028278 patent/DE1879753U/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1879753U (en) | 1963-09-26 |
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