JPS5725897B2 - - Google Patents

Info

Publication number
JPS5725897B2
JPS5725897B2 JP3410677A JP3410677A JPS5725897B2 JP S5725897 B2 JPS5725897 B2 JP S5725897B2 JP 3410677 A JP3410677 A JP 3410677A JP 3410677 A JP3410677 A JP 3410677A JP S5725897 B2 JPS5725897 B2 JP S5725897B2
Authority
JP
Japan
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
Application number
JP3410677A
Other languages
Japanese (ja)
Other versions
JPS53119016A (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3410677A priority Critical patent/JPS5725897B2/ja
Priority claimed from NL7712557A external-priority patent/NL179765C/en
Priority claimed from DE19772760017 external-priority patent/DE2760017C2/en
Publication of JPS53119016A publication Critical patent/JPS53119016A/en
Priority claimed from US06/031,035 external-priority patent/US4273967A/en
Priority claimed from NL8003297A external-priority patent/NL8003297A/en
Priority claimed from CA355,308A external-priority patent/CA1114949A/en
Priority claimed from US06/221,922 external-priority patent/US4497052A/en
Priority claimed from NL8105033A external-priority patent/NL8105033A/en
Publication of JPS5725897B2 publication Critical patent/JPS5725897B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06Recording 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
    • G11B9/07Heads for reproducing capacitive information
    • G11B9/075Heads for reproducing capacitive information using mechanical contact with record carrier, e.g. by stylus
JP3410677A 1977-03-28 1977-03-28 Expired JPS5725897B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3410677A JPS5725897B2 (en) 1977-03-28 1977-03-28

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
JP3410677A JPS5725897B2 (en) 1977-03-28 1977-03-28
NL7712557A NL179765C (en) 1976-11-17 1977-11-15 NEEDLE FOR DISPLAYING INFORMATION SIGNALS REGISTERED ON A RECORD MEDIUM.
US05/852,366 US4199782A (en) 1976-11-17 1977-11-16 Stylus for reproducing capacitive videodisc
GB4773377A GB1596663A (en) 1976-11-17 1977-11-16 Stylus for reproducing information signals recorded on a recording medium
FR7734505A FR2371742B1 (en) 1976-11-17 1977-11-16
DE19772760017 DE2760017C2 (en) 1976-11-17 1977-11-16 Stylus for scanning an information signal recorded as changes in the geometric shape of a recording track
DE19772759874 DE2759874C2 (en) 1976-11-17 1977-11-16 Display needle with an electrode for scanning information
DE19772751164 DE2751164C2 (en) 1976-11-17 1977-11-16 Playback needle for converting an information signal into electrical capacitance fluctuations
GB1622680A GB1596664A (en) 1976-11-17 1977-11-16 Stylus for reproducing information signals recorded on a recording medium
CA291,013A CA1097806A (en) 1976-11-17 1977-11-16 Stylus for reproducing information signals recorded on a recording medium
US06/031,035 US4273967A (en) 1976-11-17 1979-04-18 Stylus for reproducing capacitive videodisc
NL8003297A NL8003297A (en) 1976-11-17 1980-06-05 Stylus for high density video recording medium - has elliptical structure with front edges forming outline of electrode surface with inclined section
CA355,308A CA1114949A (en) 1976-11-17 1980-07-03 Stylus for reproducing information signals recorded on a recording medium
US06/221,922 US4497052A (en) 1976-11-17 1980-12-30 Stylus for reproducing information signals recorded on a recording medium
NL8105033A NL8105033A (en) 1976-11-17 1981-11-06 Playback needle for signals on groove recording medium - has electrode divided into rectangular and trapezoidal section for contact surface

Publications (2)

Publication Number Publication Date
JPS53119016A JPS53119016A (en) 1978-10-18
JPS5725897B2 true JPS5725897B2 (en) 1982-06-01

Family

ID=12405017

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3410677A Expired JPS5725897B2 (en) 1977-03-28 1977-03-28

Country Status (1)

Country Link
JP (1) JPS5725897B2 (en)

Also Published As

Publication number Publication date
JPS53119016A (en) 1978-10-18

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