• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An unheated cutting stylus is positioned with respect to a metal master in order to cut a groove having a quiescent groove depth less than one micrometer while relative motion is established between the cutting stylus and the metal master. The cutting stylus is vibrated about the quiescent position thereof in response to a relatively high frequency signal while cutting the groove in order to cut an information track comprising short wavelength modulation (e.g., 0.6 to 1.6 micrometers) of groove depth in the bottom of the groove having a peak-to-peak dimension less than the quiescent groove depth. The cutting stylus vibration is effected by a piezoelectric element which is mounted directly between a pedestal and the cutting stylus by means of bonding materials. The pedestal, the piezoelectric element, and the cutting stylus are shaped to form a cutterhead structure having all external surfaces disposed in anti-parallel relationship to each other.
    公开号:SU803872A3
    申请号:SU762378196
    申请日:1976-06-29
    公开日:1981-02-07
    发明作者:Барт Хальтер Джером
    申请人:Рка Корпорейшн (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to the field of accumulation of information, namely, devices for the mechanical recording of a video signal, and can be used for the mechanical recording of television signals. A device for mechanically recording a video signal is known, which contains a source of modulated laser beam acting on the surface of a recording medium mounted for movement. It converts the relief of the surface of the recording medium in accordance with the recorded video signal. A disadvantage of this device is its complex structure. It is also known a device for mechanically recording a video signal, comprising a pyramid-shaped cutter mounted for oscillation perpendicular to the surface of a disk recording medium and a spiral groove on it, a metal support element mounted on a carriage mounted radially relative to the disk a rotary-mounted record carrier, and a source of modulation result carrying video signal 2. However, this device Your recording does not provide a high recording density. The purpose of the invention is to increase the recording density. This is achieved by introducing a prism triangular section piezoelectric element connected to the source of the modulation result carrying the video signal and reinforced directly between the pyramid-shaped cutter and the metal support element, in the form of a truncated triangular pyramid, and the pyramid-shaped cutter is mounted on a prism-shaped piezoelectric element of triangular cross section with the possibility of cutting the spiral groove maintain its own temperature equal to the ambient temperature. FIG. 1 shows a device for mechanically recording a video signal; in fig. 2 - view of the pyramid-shaped cutter from the disk:. recording media.
    The proposed device comprises a pyramid-like cutter 1 mounted with the possibility of tilting perpendicularly to the surface of the disk carrier 2 for recording and cutting a spiral groove on it. At the same time the disk carrier 2 records are made of metal.
    The device also contains a metal support element 3, made in the form of a truncated triangular pyramid and mounted on the carriage 4. The latter is mounted to the housing 5 with the possibility of radial movement relative to the disk holder b of the disk carrier 2 of the record mounted rotatably.
    In addition, the device has a prism-shaped piezoelectric element 7 of triangular cross-section, fixed directly between the pyramids with the cutter 1 and the metal support element 3 and connected to the source 8 of the modulation result carrying the video signal. At the same time, the pyramid-shaped cutter 1 is mounted on a prism-shaped piezoelectric element 7 of triangular cross section, with the possibility of maintaining its own temperature when cutting a spiral groove equal to the ambient temperature.
    When mechanically recording the results of a modulation carrying a video signal, it excites oscillations of a prism-shaped piezoelectric element 7 of a triangular cross section, which are transmitted to the pyramid-shaped cutter 1, which cuts a spiral groove, the depth of which varies in accordance with the result of the modulation carrying the video signal.
    The proposed device increases the recording density.
    权利要求:
    Claims (2)
    [1]
    1. US Patent No. 3636526, cl. 340-173, pub. 1972.
    [2]
    2. German patent number 1574489,
    40 cl. 42 t 1-3 / 00, published. 1972 (prototype),
    four
    rm
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    同族专利:
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    引用文献:
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    NL155969B|1966-12-22|1978-02-15|Ted Bildplatten|METHOD AND DEVICE FOR CUTTING A GROOVE IN A REGISTRATION CARRIER.|
    DE1588313A1|1967-12-06|1970-12-10|Hell Rudolf Dr Ing Fa|Method for driving drum printing machines|
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    DE2136897C3|1971-07-20|1974-10-03|Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug |Recording medium for storing a broadband signal and one or more additional narrowband signals by means of depressible elevations on its surface for pressure scanning and a method for recording on this|
    US3829605A|1971-07-20|1974-08-13|Ted Bildplatten|Carrier and method for recording a signal thereon|
    US3805100A|1972-01-22|1974-04-16|Ted Bildplatten|Piezoelectric record cutting stylus|
    GB1439594A|1972-04-19|1976-06-16|Rca Corp|Cutterhead assembly for signal recording|
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    GB1460911A|1973-03-20|1977-01-06|Rca Corp|Colour picture and sound record and recording/playback apparatusand methods therefor|
    US3824352A|1973-04-30|1974-07-16|Zenith Radio Corp|Stacked piezoelectric transducer acting as quarter-wave resonator for recording video information|
    US3835262A|1973-06-04|1974-09-10|Zenith Radio Corp|Video disc cutting using pressurized air to control depth of grooves|
    JPS5220244B2|1973-06-29|1977-06-02|
    US3946149A|1974-10-24|1976-03-23|Cbs Inc.|Apparatus for embossing information on a disc|US4060831A|1976-10-12|1977-11-29|Rca Corporation|Wideband electromechanical recording system|
    DE2811888C3|1978-03-18|1980-11-20|Teldec Telefunken-Decca-Schallplatten Gmbh, 2000 Hamburg|Process for the production of a metal matrix provided with a groove modulation|
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    DE3114108A1|1981-04-08|1982-10-28|Teldec Telefunken-Decca-Schallplatten Gmbh, 2000 Hamburg|DEVICE AND METHOD FOR CUTTING INFORMATION IN A METAL CUTTING CARRIER|
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    US4663753A|1985-05-28|1987-05-05|Rca Corporation|Recording medium and method of making the same|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US05/591,968|US4044379A|1975-06-30|1975-06-30|Method and apparatus for electromechanical recording of short wavelength modulation in a metal master|
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