Device for recording to video record disc
专利摘要:
1. A DEVICE FOR RECORDING ON VIDEO PLASTIC, containing a composite video source connected to the output of the color subcarrier of the synchronization unit, equipped with the output of synchronous color subcarrier of synchronizing pulses, connected to the driver of the control pulses, the outputs of which are connected to the shift registers, the driver of the main information bits, performed With the output of video field numbers and bands, a voltage adder and an output bus, characterized in that, in order to reduce the recording error on a video plate, a digital data generator is introduced in it, made in the form of a polynomial dividing and multiplying unit and a polynomial addition unit, and a modulating signal processor that is connected between the output of the voltage adder and the output bus, and the output of the color subcarrier of the synchronization unit is connected to the driver of control pulses, with the output of the first shift register connected to the input of the division and multiplication unit of polynomials and to the input of the second shift register connected to the output house to the input of the third shift register, which is connected to the outputs of the polynomial addition unit and connected to the fourth shift register, made with the start code inputs j and the output connected to the first input of the voltage adder, the second input of which is connected to the output composite video source. 2. The device according to claim 1, characterized in that the generator with digital data is made on the triggers 00 and logical elements EXCLUSIVE Ri.15 with 公开号:SU1103813A3 申请号:SU802996899 申请日:1980-10-10 公开日:1984-07-15 发明作者:Бенджамин Дитрих Чарльз 申请人:Рка Корпорейшн (Фирма); IPC主号:
专利说明:
t110 The invention relates to the accumulation of information, namely, devices for recording on a video plate. A device for recording on a video plate containing a composite video source connected to an output bus ID is known. The device allows recording on a video plate with the relative simplicity of its design. However, in the known device it is difficult to ensure a sufficiently high recording density on a video plate. It is also known a device for recording onto a video plate containing a composite video source connected to a color output under a synchronization carrier block, equipped with a synchronous color subcarrier output of synchronizing pulses connected to a control pulse former, the outputs of which are connected to shift registers, a driver of basic information bits, made with the output of video field numbers and bands, a voltage adder and output bus 2. This device allows you to provide relatively low density recording. The disadvantage of such a device is that the recording on the video plate is significantly flawed. This is due to the fact that during the recording of willows, sufficient protection is provided against frame errors, in which information is shifted by one or several bits, and against code verification errors. The purpose of the invention is to reduce the recording error on the video plate. The goal is achieved due to the fact that a device for recording on a video plate containing a component of a video signal connected to the output of a color subcarrier of a synchronization unit equipped with an output of synchronous color subcarrier of synchronizing pulses connected to a driver of control pulses whose outputs are connected to shift registers , the driver of the main information bits, made with the output of the numbers of video fields and bands, a voltage adder and an output bus, introduced a digital data generator x, made in the form of a polynomial dividing and multiplying unit and a polynomial addition unit, and a modulated signal shaper processor connected between the output of the voltage accumulator and the output bus, and the output of the color subcarrier of the synchronization unit is connected to the control pulse shaper, and the output of the first the shift register is connected to the input of the dividing and multiplying unit of polynomials and to the input of the BToiboro shift register connected by the output to the input of the third shift register which is connected to the outputs b combining polynomials eye and connected to the fourth shift register configured to start code inputs and the connected output to the first adder input voltage, a second input of which is connected to the output of a composite video source. In addition, in a device for recording on a video plate, a digital data generator can be executed on triggers and logical elements EXCLUSIVE OR. The proposed device, by introducing a digital data generator and a modulated signal processor to it, makes it possible to significantly reduce the recording error on a video plate. FIG. 1 and 2 show one of the possible variants of the proposed device for recording onto a video plate; in fig. 3 - one of the possible options for a digital data generator. The proposed device comprises a composite video source 1, connected via bus 2 to the output of the color subcarrier of synchronization unit 3, and shaper 4 of the main information bits made with the output of video field numbers and band connected via bus 5 to the first shift register 6. At the same time, the output of synchronous color subcarrier of synchronizing pulses of synchronization unit 3 is connected via bus 7 to shaper 8 of control pulses, the outputs of which are connected to the first, second, third and fourth shift registers 6, 9, 10 and 11. The proposed device also contains a digital data generator 12 and a modulator signal shaper 13 connected between the output of the voltage adder 14 and one bus 15. At the same time, the digital data generator 12 is implemented as a series of dividing and multiplying polynomials and a adding unit 17 polynomials, and the output of the color subcarrier of the synchronization unit 3 is connected via bus 2 to the driver 8 of control pulses. In the proposed device, the output of the first shift register 6 is connected via bus 18 to the input of the division and multiplication unit 16 of polynomials and to the input of the second shift register 9. The output of the second shift register 9 is connected to the input of the third shift register 10, which is connected via buses 19 to the outputs of the polynomial adding unit 17. The output of the third shift register 10 is connected to the fourth shift register, made with the start code inputs 20 and connected via bus 21 to the first input of the voltage adder 14. The second input of the voltage adder 14 is connected to the output of the source 1 of the composite video signal. In the proposed device, the driver 8 control pulses, the generator 12 digital data and the first; The second, third and fourth shift registers 6, 9, 10 and 11 are part of the digital converter 22. In this case, the first shift register 6 of the digital converter 22 is connected via bus 23 to the output of the reserve backup data bits 24. In the proposed device, the generator 12 digital data can be performed on the triggers 25, the outputs of which are connected to the tires 19, and on the logical elements EXCLUSIVE OR 26, the first inputs of which are connected via the bus 18 to the output of the first shift register 6. The outputs of the logical elements EXCLUSIVE OR 26 are connected to the first inputs of the trigger 25, the second inputs of which are connected to the bus 27 of the setting pulses. In this case, the triggers 25 are also connected to the second inputs of logical elements EXCLUSIVE OR.26. The proposed device operates as follows. The synchronization unit 3 affects the source 1 of the composite video signal and the driver of the 8 control pulses, controlling the first, second, third, and fourth registers 6, 9, 10, and 11 of the shift. The first shift register 6 transfers information bits arriving at it from the former 4 basic information bits and from the driver 24 reserve information bits, to the second registrar of the shift 9 and to block 16 for dividing and multiplying polynomials, affecting block 17 for adding polynomials . Information bits supplied to the second shift register 9 are moved to the third shift register 10, to which the code from the polynomial addition block 17 also enters. The third shift register 10 operates on the fourth shift register 11, to which the start code is applied. From the fourth shift register 11, a stream of digital data is fed to the first input of the voltage adder 14, to the second input of which a composite video signal is supplied. The result of adding the composite video signal and the digital data stream comes from the voltage adder 14 to the processor 13 of the modulated signal, which generates a recording signal on the video plate. The invention makes it possible to significantly reduce the recording error on a video plate compared to the base object.
权利要求:
Claims (2) [1] 1. DEVICE FOR RECORDING ON A VIDEO PLATE containing a source of a composite video signal connected to the output of the color subcarrier 'of the synchronization unit, equipped with an output of synchronous color subcarrier of the synchronizing pulses connected to the shaper of the control pulses, the outputs of which are connected to the shift registers, the shaper of the main information bits made with the output of the numbers of the video field and strip, the adder of voltages and the recording distance to the video plate, the digital data generator is introduced into it, is a sequential block of division and multiplication of polynomials and a block of addition of polynomials, and a processor-driver of a modulated signal connected between the output of the voltage adder and the output bus, and the output of the color subcarrier of the synchronization unit is connected to the driver of the control pulses, and the output of the first shift register is connected to the input of the division and multiplication of polynomials and to the input of the second shift register connected by the output to the input of the third shift register f, which is connected to the outputs of the block with dix polynomials and connected to the fourth output of shift register configured to start code inputs and the connected output voltages to the first input of the adder, the second input of which is connected to the output of a composite video signal source [2] 2. The device according to p. 1, characterized in that the digital data generator is made on a trigger > SU <„> 1103813
类似技术:
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同族专利:
公开号 | 公开日 ZA806171B|1981-09-30| ES495837A0|1981-11-16| SE8006981L|1981-04-13| BE885650A|1981-02-02| IT1133858B|1986-07-24| FR2467520A1|1981-04-17| GB2060311B|1984-06-20| US4308557A|1981-12-29| JPS5664577A|1981-06-01| PL227239A1|1981-07-10| GB2060311A|1981-04-29| KR830004743A|1983-07-16| CA1154535A|1983-09-27| NZ195229A|1985-01-31| DE3038358A1|1981-04-23| DE3038358C2|1983-06-09| KR850001309B1|1985-09-12| ES8200982A1|1981-11-16| JPS5664578A|1981-06-01| IT8025252D0|1980-10-09| AU6299680A|1981-04-16| BE885649A|1981-02-02| DK430080A|1981-04-13| BR8006458A|1981-04-14| AU537991B2|1984-07-26| NL8005623A|1981-04-14| ZA806172B|1982-05-26| FI803143L|1981-04-13|
引用文献:
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申请号 | 申请日 | 专利标题 US06/084,393|US4308557A|1979-10-12|1979-10-12|Video disc system| 相关专利
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