FR2494881A1 - Dispositifs de lecture de signaux pour des appareils de reproduction de supports d'enregistrement tournants - Google Patents
Dispositifs de lecture de signaux pour des appareils de reproduction de supports d'enregistrement tournants Download PDFInfo
- Publication number
- FR2494881A1 FR2494881A1 FR8121688A FR8121688A FR2494881A1 FR 2494881 A1 FR2494881 A1 FR 2494881A1 FR 8121688 A FR8121688 A FR 8121688A FR 8121688 A FR8121688 A FR 8121688A FR 2494881 A1 FR2494881 A1 FR 2494881A1
- Authority
- FR
- France
- Prior art keywords
- reproduction
- style
- recording medium
- rotating
- conductive tape
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 230000033458 reproduction Effects 0.000 claims 8
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 210000004994 reproductive system Anatomy 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
- G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
-
- 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
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Feeding And Guiding Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980167203U JPS5932043Y2 (ja) | 1980-11-21 | 1980-11-21 | 再生装置における信号ピツクアツプ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2494881A1 true FR2494881A1 (fr) | 1982-05-28 |
| FR2494881B1 FR2494881B1 (OSRAM) | 1984-11-30 |
Family
ID=15845328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8121688A Granted FR2494881A1 (fr) | 1980-11-21 | 1981-11-19 | Dispositifs de lecture de signaux pour des appareils de reproduction de supports d'enregistrement tournants |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4520473A (OSRAM) |
| JP (1) | JPS5932043Y2 (OSRAM) |
| DE (1) | DE3146248C2 (OSRAM) |
| FR (1) | FR2494881A1 (OSRAM) |
| GB (1) | GB2088619B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5956214A (en) * | 1996-12-27 | 1999-09-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Magnetic head drive mechanism in photo-electro-magnetic disk drive device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2146655A5 (OSRAM) * | 1971-07-22 | 1973-03-02 | Meoni Angelo | |
| US3734511A (en) * | 1971-06-14 | 1973-05-22 | J Rabinow | String-supported phonograph cartridge |
| US3972533A (en) * | 1975-02-03 | 1976-08-03 | Rca Corporation | Signal pickup lifting/lowering apparatus |
| FR2453461A1 (fr) * | 1979-04-04 | 1980-10-31 | Victor Company Of Japan | Tete de lecture de signaux enregistres sur des supports d'enregistrement tournants |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1087730A (en) * | 1975-09-15 | 1980-10-14 | Rca Corporation | Spring loaded pickup arm for video disc playback |
| US4170783A (en) * | 1977-03-14 | 1979-10-09 | Victor Company Of Japan, Ltd. | Signal pickup device for reproducing an information signal recorded on a track of a rotary recording medium |
| JPS56140507A (en) * | 1980-04-02 | 1981-11-02 | Victor Co Of Japan Ltd | Pickup cartridge |
| US4423504A (en) * | 1980-08-06 | 1983-12-27 | Victor Company Of Japan, Ltd. | Height position adjusting device for a reproducing transducer in a rotary recording medium reproducing apparatus |
| US4382293A (en) * | 1981-04-14 | 1983-05-03 | Victor Company Of Japan, Ltd. | Signal pickup device in rotary recording medium reproducing apparatus |
-
1980
- 1980-11-21 JP JP1980167203U patent/JPS5932043Y2/ja not_active Expired
-
1981
- 1981-11-17 US US06/322,382 patent/US4520473A/en not_active Expired - Fee Related
- 1981-11-19 FR FR8121688A patent/FR2494881A1/fr active Granted
- 1981-11-21 DE DE3146248A patent/DE3146248C2/de not_active Expired
- 1981-11-23 GB GB8135182A patent/GB2088619B/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3734511A (en) * | 1971-06-14 | 1973-05-22 | J Rabinow | String-supported phonograph cartridge |
| FR2146655A5 (OSRAM) * | 1971-07-22 | 1973-03-02 | Meoni Angelo | |
| US3972533A (en) * | 1975-02-03 | 1976-08-03 | Rca Corporation | Signal pickup lifting/lowering apparatus |
| FR2453461A1 (fr) * | 1979-04-04 | 1980-10-31 | Victor Company Of Japan | Tete de lecture de signaux enregistres sur des supports d'enregistrement tournants |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2088619B (en) | 1985-01-30 |
| JPS5932043Y2 (ja) | 1984-09-08 |
| DE3146248A1 (de) | 1982-06-03 |
| US4520473A (en) | 1985-05-28 |
| FR2494881B1 (OSRAM) | 1984-11-30 |
| GB2088619A (en) | 1982-06-09 |
| JPS5791143U (OSRAM) | 1982-06-04 |
| DE3146248C2 (de) | 1985-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |