Data storage, image tube type
阅读：80发布：2023-04-26
专利汇可以提供Data storage, image tube type专利检索，专利查询，专利分析的服务。并且Method and apparatus for the storage of digital or analog electrical signals are provided by a memory storage system employing a conventional vidicon tube. At the beginning of an operating cycle, the vidicon is conditioned to accept electrical data input by exposing its photosensitive target to a short, high intensity light flash. A first electron beam scan of the photosensitive surface by an electron beam modulated by the input data then sets up a charge pattern on the photosensitive target which is representative of the input data. A second electron beam scan of the photosensitive surface by an unmodulated electron beam then develops an output signal across an output resistor by means of capacitive currents. The conditioning and scanning steps are operated repetitively at high speed using conventional television camera scan, sync and power supply circuitry to provide a low cost data storage system.，下面是Data storage, image tube type专利的具体信息内容。
1. A method for storing and reading out electrical imformation signals comprising the steps of: a. conditioning a first photosensitive target by exposing it to light to provide a first uniformly charged target area; b. scanning said first area with a first electron beam which is modulated as a function of the data to be stored to thereby alter the charge distribution pattern on said first area; c. retrieving data stored on said first area by scanning said first area with a second electron beam to produce a first electrical output signal which varies as a function of the charge distribution pattern on said first area; d. conditioning a second photosensitive target by exposing it to light to provide a second uniformly charged target area; e. scanning said second area with a third electron beam which is modulated as a function of said first output signal to thereby alter the charge distribution pattern on said second area; f. conditioning said first target by exposing it to said light; g. retrieving data stored on said second area by scanning said second area with a fourth electron beam to produce a second electrical output signal which varies as a function of the charge distribution pattern on said second area; h. scanning said first area with said first beam while modulating said first beam as a function of said second output signal; and i. sequentially repeating steps d-h hereof to form a long term data storage system.
2. A method for storing and reading out electrical information signals comprising the steps of: a. conditioning a first photosensitive target by exposing it to light to provide a first uniformly charged target area; b. scanning said first area with a first electron beam which is molulated as a function of the data to be stored to thereby alter the charge distribution pattern on said first area; c. retrieving data stored on said first area by scanning said first area with a second electron beam to produce a first electrical output signal which varies as a function of the charge distribution pattern on said first area; d. said first photosensitive target is provided by a vidicon tube; e. said light is produced as a high intensity, short duration pulse from a strobe light; f. conditioning a second photosensitive target by exposing it to light to provide a second uniformly charged target area; g. scanning said second area with a third electron beam which is modulated as a function of said first output signal to thereby alter the charge distribution pattern on said second area; h. conditioning said first target by exposing it to said light; i. retrieving data stored on said second area by scanning said second area with a fourth electron beam to produce a second electrical output signal which varies as a function of the charge distribution pattern on said second area; j. scanning said first area with said first beam while modulating said first beam as a function of said second output signal; and k. sequentially repeating steps f-j hereof to form a long term data storage system.
3. Apparatus for storing and reading out electrical information signals comprising: a. photosensitive target means including a vidicon tube; b. conditioning means including strobe lamp means for conditioning said target means to produce a first uniformly charged target area; c. input scan means for input scanning a first electron beam across said first area; d. modulating means for modulating said first beam by an input data signal to produce a charge distribution pattern on said first area which varies as a function of said input data signal; e. outpUt scan means for output scanning an unmodulated electron beam across said first area following production of said charge distribution pattern to form a first electrical output signal which varies as a function of said pattern; f. second photosensitive target means, conditioning means, input scan means, modulating means and output scan means having an input supplied by said first output signal to form a second output signal which varies as a function of the input data signal; and g. connecting means supplying said second output signal as said input data signal to form a long term storage system.
4. Apparatus as defined in claim 3 further including means for forming two output scans for each input scan.
5. An electronic apparatus for storing and reading out electrical information comprising: a. vidicon tube means having a photosensitive target and a cathode means for emitting a beam of electrons; b. means for focusing deflecting, and aligning the electron beam emitted by said cathode; c. scanning means for sequentially scanning across the photosensitive target by an eletron beam from said cathode, said scanning means including; d. sync pulse generating means for generating horizontal sync voltage pulses for controlling horizontal deflection of the electron beam in horizontal scan across said target and for generating vertical sync voltage pulses for controlling the vertical sweep of said electron beam scross said target; e. blanking amplifier means responsive to vertical sync voltage pulses from said sync pulse generating means for shutting off the electron scan beam during the retrace interval of said beam scan; f. strobe lamp means responsive to said vertical sync voltage pulses for delivering a high intensity light pulse to said photosensitive target upon occurrence of alternate vertical sync voltage pulses for conditioning said target to produce a uniformly charged target area; g. input scan means for input scanning said electron beam across said conditioned target area, said input scan means including; h. modulating means for modulating said beam by an input data signal to produce a charge distribution pattern on the target area which varies as a function of said input data signal; and i. output scan means for output scanning a second electron beam across said target area following production of the charge distribution pattern to form a first electrical output signal which varies as a function of said charge distribution pattern.
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