GB1383238A - Phonograph pickup stylus - Google Patents
Phonograph pickup stylusInfo
- Publication number
- GB1383238A GB1383238A GB1048472A GB1048472A GB1383238A GB 1383238 A GB1383238 A GB 1383238A GB 1048472 A GB1048472 A GB 1048472A GB 1048472 A GB1048472 A GB 1048472A GB 1383238 A GB1383238 A GB 1383238A
- Authority
- GB
- United Kingdom
- Prior art keywords
- stylus
- plane
- march
- degrees
- angle
- 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
- 241001422033 Thestylus Species 0.000 abstract 3
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Forging (AREA)
- Optical Head (AREA)
Abstract
1383238 Pick up stylus NIPPON VICTOR KK 7 March 1972 [13 March 1971 12 Oct 1971 (2)] 10484/72 Heading G5R A gramophone pick up stylus has a conical body 10 of diamond with at least one plane cut face 11 formed by grinding away part 16 of the body including the cone vertex 13 such that the plane of the face forms an angle with the stylus centre line 12 which is less than 90 degrees. The stylus shown is used with the cut face 11 vertical. In a further embodiment, Figs. 5-8 (not shown), which can be used with the stylus centre line vertical two such plane cut faces are formed at an angle of 120 degrees to each other.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1353771A JPS4937526B1 (en) | 1971-03-13 | 1971-03-13 | |
JP7984571A JPS4846304A (en) | 1971-10-12 | 1971-10-12 | |
JP7984671A JPS5017845B2 (en) | 1971-10-12 | 1971-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1383238A true GB1383238A (en) | 1975-02-05 |
Family
ID=27280301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1048472A Expired GB1383238A (en) | 1971-03-13 | 1972-03-07 | Phonograph pickup stylus |
Country Status (4)
Country | Link |
---|---|
US (1) | US3774918A (en) |
DE (1) | DE2211823C3 (en) |
GB (1) | GB1383238A (en) |
NL (1) | NL163038C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3871664A (en) * | 1973-05-29 | 1975-03-18 | Diamagnetics Inc | Phonograph stylus |
GB1584747A (en) * | 1976-08-27 | 1981-02-18 | Gyger Fritz | Styli for tracking a stereophonic or quadrophonic sound groove |
GB1592361A (en) * | 1976-09-13 | 1981-07-08 | Rca Corp | Stylus manufacture |
DE3374096D1 (en) * | 1982-02-02 | 1987-11-19 | Namiki Precision Jewel Co Ltd | Improved reproducing stylus and method of making same |
CH670179A5 (en) * | 1986-07-09 | 1989-05-12 | Gyger Fritz |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2534735A (en) * | 1945-01-19 | 1950-12-19 | Dictaphone Corp | Guarded stylus |
US2699720A (en) * | 1950-04-13 | 1955-01-18 | Winfield S Brooks | Half tone engraving process |
GB768414A (en) * | 1954-06-18 | 1957-02-13 | Pathe Marconi Ind Music | Improvements in and relating to gramophone needles |
-
1972
- 1972-03-07 GB GB1048472A patent/GB1383238A/en not_active Expired
- 1972-03-08 US US00232892A patent/US3774918A/en not_active Expired - Lifetime
- 1972-03-10 NL NL7203183.A patent/NL163038C/en not_active IP Right Cessation
- 1972-03-11 DE DE2211823A patent/DE2211823C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL163038C (en) | 1980-07-15 |
DE2211823A1 (en) | 1972-10-12 |
US3774918A (en) | 1973-11-27 |
DE2211823B2 (en) | 1974-08-15 |
NL7203183A (en) | 1972-09-15 |
NL163038B (en) | 1980-02-15 |
DE2211823C3 (en) | 1975-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
PCNP | Patent ceased through non-payment of renewal fee |