IT1006296B - Elemento protettivo di accop piamento per un sistema di riproduzione video - Google Patents
Elemento protettivo di accop piamento per un sistema di riproduzione videoInfo
- Publication number
- IT1006296B IT1006296B IT20250/74A IT2025074A IT1006296B IT 1006296 B IT1006296 B IT 1006296B IT 20250/74 A IT20250/74 A IT 20250/74A IT 2025074 A IT2025074 A IT 2025074A IT 1006296 B IT1006296 B IT 1006296B
- Authority
- IT
- Italy
- Prior art keywords
- pairing
- video playback
- playback system
- protective element
- protective
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title 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
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
- G11B9/06—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
- G11B9/07—Heads for reproducing capacitive information
- G11B9/075—Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US330877A US3873782A (en) | 1973-02-08 | 1973-02-08 | Capacitive protection coupling element for stylus electrode discharge |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1006296B true IT1006296B (it) | 1976-09-30 |
Family
ID=23291690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20250/74A IT1006296B (it) | 1973-02-08 | 1974-02-06 | Elemento protettivo di accop piamento per un sistema di riproduzione video |
Country Status (13)
Country | Link |
---|---|
US (1) | US3873782A (it) |
JP (1) | JPS547453B2 (it) |
AT (1) | AT354119B (it) |
BR (1) | BR7400780D0 (it) |
CA (1) | CA1018653A (it) |
DE (1) | DE2405896C3 (it) |
FR (1) | FR2217762B1 (it) |
GB (1) | GB1452792A (it) |
HK (1) | HK26780A (it) |
IT (1) | IT1006296B (it) |
NL (1) | NL7401397A (it) |
SE (1) | SE395196B (it) |
SU (1) | SU496754A3 (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4152641A (en) * | 1978-02-27 | 1979-05-01 | Rca Corporation | Method and apparatus for the determination of signal pickup qualities of a stylus of a capacitive disc video player |
JPS56117343A (en) | 1980-02-19 | 1981-09-14 | Victor Co Of Japan Ltd | Reproducing stylus of reproducing element detecting variation in electrostatic capacity value |
IT1194036B (it) * | 1980-03-28 | 1988-08-31 | Rca Corp | Stilo per un riproduttore di videodischi,formato da un supporto di diamante e da uno strato conduttivo ottenuto per impiantagione ionica |
JPS5774849A (en) * | 1980-10-24 | 1982-05-11 | Victor Co Of Japan Ltd | Playback device of disk-like recording medium |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422140A (en) * | 1943-05-15 | 1947-06-10 | Rca Corp | Frequency modulated recording and reproducing system |
US2530087A (en) * | 1945-03-09 | 1950-11-14 | Rca Corp | Absorption-type modulation system |
US2754372A (en) * | 1952-01-17 | 1956-07-10 | Weathers Paul | Variable capacity phonograph-record pickup unit |
US2866856A (en) * | 1954-02-15 | 1958-12-30 | Weathers Paul | Controlled oscillator systems |
US3159718A (en) * | 1959-10-05 | 1964-12-01 | Iit Res Inst | Method and apparatus for electrostatic recording and reproducing |
US3783196A (en) * | 1971-03-22 | 1974-01-01 | Rca Corp | High-density capacitive information records and playback apparatus therefor |
-
1973
- 1973-02-08 US US330877A patent/US3873782A/en not_active Expired - Lifetime
-
1974
- 1974-01-31 SE SE7401323A patent/SE395196B/xx unknown
- 1974-02-01 NL NL7401397A patent/NL7401397A/xx not_active Application Discontinuation
- 1974-02-04 BR BR780/74A patent/BR7400780D0/pt unknown
- 1974-02-05 AT AT88174A patent/AT354119B/de not_active IP Right Cessation
- 1974-02-05 GB GB519174A patent/GB1452792A/en not_active Expired
- 1974-02-06 IT IT20250/74A patent/IT1006296B/it active
- 1974-02-06 JP JP1530674A patent/JPS547453B2/ja not_active Expired
- 1974-02-07 FR FR7404138A patent/FR2217762B1/fr not_active Expired
- 1974-02-07 SU SU2001338A patent/SU496754A3/ru active
- 1974-02-07 DE DE2405896A patent/DE2405896C3/de not_active Expired
- 1974-02-07 CA CA191,968A patent/CA1018653A/en not_active Expired
-
1980
- 1980-05-15 HK HK267/80A patent/HK26780A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BR7400780D0 (pt) | 1974-11-05 |
SE395196B (sv) | 1977-08-01 |
ATA88174A (de) | 1979-05-15 |
JPS49113615A (it) | 1974-10-30 |
JPS547453B2 (it) | 1979-04-06 |
SU496754A3 (ru) | 1975-12-25 |
DE2405896C3 (de) | 1979-10-18 |
GB1452792A (en) | 1976-10-13 |
FR2217762B1 (it) | 1977-09-23 |
NL7401397A (it) | 1974-08-12 |
FR2217762A1 (it) | 1974-09-06 |
AU6516274A (en) | 1975-08-07 |
AT354119B (de) | 1979-12-27 |
CA1018653A (en) | 1977-10-04 |
US3873782A (en) | 1975-03-25 |
DE2405896B2 (de) | 1979-03-01 |
DE2405896A1 (de) | 1974-09-05 |
HK26780A (en) | 1980-05-23 |
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