TH20084A - Modulation method Recording method Simulation production method Ready-made machines for recording and simulated production Recording methodology and simulation production And finished machines for simulated production - Google Patents

Abstract

The modulation methodology has been disclosed for the conversion of data to code with the use of code with CDS after NRZI modulation equal to 0, + - 2 of the code (0,3; 8, 10; 1) This methodology consists of the process of converting 8-bit data to 10-bit code using code in addition to code in such a way that Length between transitions 1T 4T 1T 3T 1T or 1T 3T 1T 4T 1T with T represents the smallest length between transitions to be generated in the waveform line corresponding to the code continuity. The two identical code lines are produced by NRZI modulation. The number of consecutive "1" numbers is not greater than N, where N is 12 to 18 in this code sequence.

Claims (5)

1. Modulation methodology for converting data to code by using code with integral sum. The digital code word after NRZI modulation is equal to 0, + -2 of the code (0,3; 8,10; 1). Code selection in such a way that the number of consecutive "1" in the chosen code sequence. Consistently, there is no greater than N; N equals 12 to 18, and 8-bit conversion to 10-bit code using only the selected code. 2. Modulation methodology for data conversion. Go into code by using code that has the sum oriented. The digital code word after NRZI modulation is equal to 0, + - 2 of the code (0,3; 8,10; 1). Generating waveforms corresponding to two identical codes by NRZI modulation. A sequence of codes that are contiguous by selecting one other than From the code in such a way that the transitions length 1T, 4T, 1T, 3T, 1T or 1T, 3T, 1T, 4T, 1T, where T represents the smallest length between transitions being created. , And converting 8-bit data to 10-bit code by using only the selected code. 3. Modulation methodology for converting data to code using code with a combination of values. The digital code word after NRZI modulation is equal to 0, + - 2 of the code (0,3; 8,10; 1). Generating waveforms corresponding to two identical codes by NRZI modulation. A sequence of codes that are contiguous by selecting one other than Code in such a way that the length between the transitions 1T, 4T, 1T, 3T, 1T, or 1T, 3T, 1T, 4T, 1T, where T represents the smallest length between transitions being established with the number of consecutive "1" not greater than N, where N equals 12 to 18 in the set. This sequence of codes and the conversion of 8-bit data to 10-bit code using only the selected code. 4. The recording method for the recording media consists of the procedure of: Selecting the code in The manner in which the number of consecutive "1" in the consecutive selected code sequence will have A number not greater than N, with N equal to 12 through 18, each of which is a code that contains the digital sum of the code word. After NRZI modulation equal to 0, + - 2 of the code (0,3; 810; 1); Converting 8-bit data to 10-bit code using only the selected code. NRZI modulation A transformed set of code sequences. To generate waveform lines; And recording the resulting waveform lines on the recording medium. 5. Recording method for recording media. It consists of the procedure of: generating a waveform corresponding to two identical codes connected from the set. Code sequence of contiguous codes Each code contains the digital sum of the code words by modulation. NRZI is equal to 0, + - 2 of the code (0,3; 8,10; 1) by selecting one other than the code in The manner in which the length between the transitions 1T, 4T, 1T, 3T, 1T or 1T, 3T, 1T, 4T, 1T where T represents the smallest length between transitions, is created; Converting 8-bit data to 10-bit code using only the selected code; NRZI modulation A transformed set of code sequences. To generate waveform lines; And to record the waveforms obtained on this recording medium. 6. Recording method for recording media. It consists of a procedure of: generating a waveform corresponding to two identical codes connected from the set. Code sequence of contiguous codes Each code contains the digital sum of the code words after modulation. The NRZI is equal to 0, + - 2 of the code (0,3; 8,10; 1) by selecting one other than the code in The manner in which the length between 1T, 4T, 1T, 3T, 1T or 1T, 3T, 1T, 4T, 1T transitions, where T represents the smallest length between transitions, is created with a number. Of "1" not more than N, where N equals 12 to 18 in the code sequence; Converting 8-bit data to 10-bit code using only the selected code. NRZI modulation, a transformed set of code sequences to produce waveforms; And to record the resulting waveform cables on this recording medium. 7. Simulated Production Method for recording media with waveform cables recorded in it. Which wave form lines This is produced by converting 8-bit data to 10-bit code using only the code. In such a way that the number of consecutive "1" in the consecutive chosen sequence of codes will have The number is not greater than N, with N only equal to 12 through 18 in a sequential set of code sequences, each of which is a code with the digital sum of the code word after NRZI modulation equal to 0, + - 2 of the code (0,3; 8,10; 1) and then by NRZI modulation, the sequence code sequence of the continuous code with which the simulation production methodology consists of the steps of: Equalization by partial response, type 1 signal produces a simulation that has been produced. Emulated from the recording medium; Wetherby decoding produces an equalized simulated signal. To generate waveform lines; NRZI demodulation of the resulting line waveform To generate a series of code sequences; And converting each 10-bit code of a possible code sequence into 8-bit data for simulated production from the recording medium. 8. Simulated Production Method for the recorded media with waveform wires recorded in it. Which wave form lines This is produced by converting 8-bit data to 10-bit code using external code. Above from the code in such a way that Length between 1T, 4T, 1T, 3T, 1T, or 1T, 3T, 1T, 4T, 1T transitions with T denotes the smallest length between transitions. Will be generated in the waveform line at Corresponds to two identical codes. Which this waveform cable will be produced by NRZI modulation, a series of consecutive code sequences. Each of which is a code with a sum. The digitization of the code word after NRZI modulation is equal to 0, + - 2 of the code (0,3; 8,10; 1), and then by the NRZI modulation sequence set. Serial code Methodological The simulation production consists of the steps of: modulation by partial response. Type 1 signal produces a simulation that has been produced. Emulated from the recording medium; Wetherby decoding produces an equalized simulated signal. To generate waveform lines; NRZI demodulation of the resulting line waveform To generate a series of code sequences; And converting each 10-bit code of a possible code sequence into 8-bit data for simulated production from the recording medium. 9. Simulated production methodology for recording media with waveform wires recorded in it. Which has been It is produced by converting 8-bit data to 10-bit code using only code other than Code in such a way that Length between 1T, 4T, 1T, 3T, 1T, or 1T, 3T, 1T, 4T, 1T transitions with T denotes the smallest length between transitions. Will be generated in the waveforms corresponding to Exactly identical code connected to two codes. In which this waveform line is produced by modulation NRZI is a set of code sequences in a continuous code. Each of which is a code that contains a digital sum of The code word after NRZI modulation is equal to 0, + - 2 of the code (0,3; 10; 1) with the number of consecutive "1" not greater than N, where N is 12 to 18 in. Code sequence set And then by NRZI modulation, a series of consecutive code sequences. Which simulation production methodology It consists of the steps of: modulation by partial response. Type 1 signal produces a simulated signal that has been produced. Emulated from the recording medium; Wetherby decoding produces an equalized simulated signal. To generate waveform lines; NRZI demodulation of the resulting line waveform To generate a series of code sequences; And each 10-bit transcoding of a possible code sequence into 8-bit data for simulated production from 1 0. recording and simulated production including: conversion paths for simulated data conversion. 8-bit to 10-bit code with just the use of Code other than code in such a way that Length between 1T, 4T, 1T, 3T, 1T, or 1T, 3T, 1T, 4T, 1T transitions with T denotes the smallest length between transitions. Will be born in the form A wave corresponding to the exact same code connected to two codes. In which this waveform cable will be produced by NRZI modulation, a series of consecutive code sequences. Each of which is an effective code. The digital sum of code words after NRZI modulation is equal to 0, + - 2 of the code (0,3; 10; 1) by the number of consecutive "1" not greater than N, where N is equal to 12 to 18 in a code sequence set; NRZI modulation pathways for NRZI modulation. Code sequence series. From the way of conversion To generate waveform lines; Recording path for recording waveform lines from NRZ modulation pathways. Vapor into recording media; Simulation production pathways for producing simulated signals from recorded media; Equal modulation pathways for simulated production signal equalization from production equipment. Modeled by partial response type 1; A WITBIED RECORDING METHOD For the WI-FI decoding, the signal produces The simulation has been equalized by means of For equalization, to generate waveform lines; NRZI demodulation method for late NRZI demodulation. Waveform from the path for weiterbial decoding To generate a series of code sequences; And decoding pathways for converting only 10-bit codes of the sequence code from the path Offical NRZI demodulation to 8-bit data 1 1. Method of recording and simulation production. It consists of the steps of: Generating corresponding waveform lines, two identical codes from a continuous code sequence. Each code has a digital sum of Code word after N modulation RDI is equal to 0, + - 2 of the code (0,3; 8,10; 1) by selecting one code in addition to the code one. The nature of the transitions length 1T, 4T, 1T, 3T, 1T or 1T, 3T, 1T, 4T, 1T where T represents the smallest length between transitions, with the number of "1" that Not more consecutive N, where N is equal to 12 to 18 in the code sequence; Converting 8-bit data to 10-bit code using only the selected code. NRZI modulation A transformed set of code sequences. To produce waveform substances; Recording the resulting waveform lines on the recording medium; Production of simulated signals from recording media; The modulation of the simulated production signal obtained is simulated from the recording media by type 1 partial response; Wetherbis decoding produces an equalized simulated signal. To generate waveform lines; Wetherbite decoded NRZI waveform demodulation to generate code sequences; And each 10-bit transformation of a NRZI-modulated code sequence. And then it goes to 8 bit data 1 2. Simulated Production Solutions for Recording Media, which includes: Simulated Production Path for producing simulated signals from the pre-loaded media and outputs simulated production signals: path. For modulation, the first method for equalization of the signal produced, simulated from the path to the production of the type 1 partial response model, for the weiterbial decoding for Witerbial decoding produces a simulated signal that has been adjusted by the pathway. For equalization, the first way to produce a simulated waveform line; Second path for integral equalization. Simulated signal generates. From the path to the production model; A method for binary coding for binary coding produces a simulated signal. Get equalized by way For the second way to adjust To produce simulated waveform lines; Switching path for selecting one waveform cable from the path. For decoding Wiiterbite and waveform lines from the trajectory For coding binary numbers; NRZI demodulation pathways for linear NRZI demodulation. Selected waves By means of a switch To produce a simulated code sequence set; And a control path for detecting the density of pre-loaded media. And controlling the way For switching to select a waveform cable from the wire decoding path, when the detection result shows that the density of this recording medium is high. And to select a waveform line from Ways to Enter Binary Code When the detection result shows that the density of this recording medium is low 1 3. The simulated production machine for the recording media holds the right to Clause 12, provided that the recording medium is enclosed in the cartridge. This cartridge has a nominal section for determining the Dense recording of the recording media that is covered in it 1 4. A mockup production device for the recording medium holds the right to Clause 12, where the recorded media is a tape-like recording medium. Which has been covered in the cartridge that is indicated for Shows the linear recording density of the tape-like recording medium 1. 5. Simulated Production Equipment for the Recorded Media holds the rights to Clause 12, which also includes alternative methods for producing simulated clock signals. Waveform cable from the path for equalization of the first or second path, by the way for switching and receiving Optimization for the production of channel clock simulations based on the supplied waveform wires.