MY101486A - Methods of modulating digital data - Google Patents

Methods of modulating digital data

Info

Publication number
MY101486A
MY101486A MYPI87002616A MYPI19872616A MY101486A MY 101486 A MY101486 A MY 101486A MY PI87002616 A MYPI87002616 A MY PI87002616A MY PI19872616 A MYPI19872616 A MY PI19872616A MY 101486 A MY101486 A MY 101486A
Authority
MY
Malaysia
Prior art keywords
bit
bits
transition
caused
methods
Prior art date
Application number
MYPI87002616A
Inventor
Masato Tanaka
Takuji Himeno
Original Assignee
Sony Corp
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
Priority claimed from JP58108697A external-priority patent/JPS601956A/en
Application filed by Sony Corp filed Critical Sony Corp
Publication of MY101486A publication Critical patent/MY101486A/en

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

THERE IS PROVIDED A METHOD OF MODULATING A DATA BIT SERIES CONSISTING OF A FIRST VALUE (FOR EXAMPLE 1) AND A SECOND VALUE (FOR EXAMPLE O) WHEREBY A TRANSITION IS CAUSED SO AS TO SATISFY THE FOLLOWING CONDITIONS (A) TO (D):(A) A TRANSITION IS CAUSED AT THE BOUNDRY OF A BIT CELL WHICH IS SANDWICHED BY BITS O;(B) A TRANSITION IS CAUSED AT THE CENTRAL PORITION OF A BIT CELL OF A BIT 1;(C) AMONG AN EVEN NUMBER OF BITS 1 WHICH ARE SANDWICHED BY BIT 0, A TRANSITION IS INHIBITED AT THE CENTRAL PORTION OF EACH BIT CELL OF THE LAST TWO BITS 1 AND A TRANSITION IS CAUSED AT THE BOUNDARY OF THE BIT CELLS OF THESE TWO BITS 1; AND (D) WHEN AT LEAST ONE BIT IN A PATTERN WHICH STARTS WITH THE TWO BITS 01 APPEARS AT A LOCATION NEXT TO AN EVEN NUMBER OF BITS 1 SUBSEQUENT TO A BIT 0, A TRANSITION IS CAUSED AT THE CENTRAL PORTION OF THE BIT CELL OF THE BIT 0 BETWEEN THESE TWO BITS.
MYPI87002616A 1983-06-17 1987-09-30 Methods of modulating digital data MY101486A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58108697A JPS601956A (en) 1983-06-17 1983-06-17 Modulating method of digital data
EP84902369A EP0144449B1 (en) 1983-06-17 1984-06-15 Method and apparatus of modulating digital data and of demodulating

Publications (1)

Publication Number Publication Date
MY101486A true MY101486A (en) 1991-11-18

Family

ID=79909570

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI87002616A MY101486A (en) 1983-06-17 1987-09-30 Methods of modulating digital data

Country Status (1)

Country Link
MY (1) MY101486A (en)

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