KR950007513A - Compressed Data Restoration Circuit - Google Patents

Compressed Data Restoration Circuit Download PDF

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Publication number
KR950007513A
KR950007513A KR1019930016333A KR930016333A KR950007513A KR 950007513 A KR950007513 A KR 950007513A KR 1019930016333 A KR1019930016333 A KR 1019930016333A KR 930016333 A KR930016333 A KR 930016333A KR 950007513 A KR950007513 A KR 950007513A
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South Korea
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data
clock
output
signal
memory
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KR1019930016333A
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Korean (ko)
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KR960010493B1 (en
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서진우
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이헌조
주식회사 금성사
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/12Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

본 발명은 압축데이터 복원회로에 관한 것으로, 소정비율로 압축되어 전송되는 데이터입력을 위한 입력클럭과 출력클럭반전수단(12)으로부터의 클럭신호를 인가받아 데이터기록 및 독출될 신호를 지정해주기 위한 카운트치를 출력하는 카운터부(14)와, 상기 카운터부(14)에서 출력되는 카운트치를 기초로 신호의 저장과 복원신호를 디멀티플렉싱하는 디멀티플렉서(16), 상기 디멀티플렉서(16)로부터의 카운트치와 출력클럭반전수단(12)으로부터의 클럭신호를 기초로하여 데이타기록 및 독출을 위한 해당 메모리의 클럭을 트리거시키기 위한 메모리지정 신호를 출력하는 메모리지정신호출력부(18), 입력데이타와 입력클럭이 앤드게이트를 통해 앤드처리된 후 출력되는 결과치와 상기 메모리지정신호출력부(18)에서 출력되는 메모리지정신호 및 출력클럭반전수단(12)으로부터의 클럭신호를 기초로하여 압축데이터를 복원시키는 데이터저장·복원부(20)를 구비하여 구성된 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compressed data recovery circuit, comprising: a count for specifying a signal to be written and read out by receiving a clock signal from an input clock and an output clock inverting means 12 for data input compressed and transmitted at a predetermined rate A counter 14 for outputting a value, a demultiplexer 16 for demultiplexing a signal storage and restoration signal based on the count value output from the counter 14, and a count value and an output clock from the demultiplexer 16. A memory designation signal output section 18 for outputting a memory designation signal for triggering a clock of a corresponding memory for data writing and reading based on the clock signal from the inversion means 12, the input data and the input clock are gated Result value is output after the end processing through the memory designation signal output unit and the memory designation signal output unit 18 And a clock signal from the means 12 is configured on the basis of a data storage and recovery unit 20 to recover the compressed data.

(제3도)(Figure 3)

Description

압축데이터 복원회로Compressed Data Restoration Circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2(a) 내지 (c)도는 제1도에 도시된 압축신호를 복원하는 경우를 설명하는 도면,2 (a) to (c) are views for explaining the case of restoring the compressed signal shown in FIG.

제3도는 본 발명에 따른 압축데이터의 복원회로의 구성을 나타낸 회로도.3 is a circuit diagram showing the configuration of a decompression circuit of compressed data according to the present invention.

Claims (5)

소정비율로 압축되어 전송되는 데이터입력을 위한 입력클럭과 출력클럭반전수단(12)으로부터의 클럭신호를 인가받아 데이터기록 및 독출된 신호를 지정해주기 위한 카운트치를 출력하는 카운터부(14)와, 상기 카운터부(14)에서 출력되는 카운트치를 기초로 신호의 저장과 복원신호를 디멀티플렉싱하는 디멀티플렉서(16), 상기 디멀티플렉서(16)로부터의 카운트치와 출력클럭반전수단(12)으로부터의 클럭신호를 기초로하여 데이터기록 및 독출을 위한 해당 메모리의 클럭을 트리거시키기 위한 메모리지정신호를 출력하는 메모리지정신호출력부(18), 입력데이타와 입력클럭이 앤드게이트를 통해 앤드처리된 후 출력되는 결과치와 상기 메모리지정신호출력부(18)에서 출력되는 메모리지정신호 및 출력클럭반전수단(12)으로부터의 클럭신호를 기초로하여 압축데이터를 복원시키는 데이터 저장·복원부(20)를 구비하여 구성된 것을 특징으로 하는 압축데이터 복원회로.A counter unit 14 for receiving a clock signal from the input clock and output clock inverting means 12 for data input compressed and transmitted at a predetermined rate and outputting a count value for designating the data write and read signals; A demultiplexer 16 for demultiplexing the signal storage and recovery signals based on the count value output from the counter unit 14, the count value from the demultiplexer 16 and the clock signal from the output clock inverting means 12; A memory designation signal output section 18 for outputting a memory designation signal for triggering a clock of a corresponding memory for data writing and reading, and the result value output after the input data and the input clock are processed through the AND gate. On the basis of the memory designation signal output from the memory designation signal output section 18 and the clock signal from the output clock inversion means 12; Restoring the compressed data, it characterized in that the circuit is configured with a data storage and recovery unit 20 to recover the data. 제1항에 있어서, 상기 출력클럭반전수단(12)은 입력클럭과 출력클럭의 인에이블시점을 조정하기 위해 출력클럭을 반전시키는 인버터로 구성된 것을 특징으로 하는 압축데이터 복원회로.2. The compressed data recovery circuit according to claim 1, wherein said output clock inverting means (12) comprises an inverter for inverting the output clock to adjust the enable time of the input clock and the output clock. 제1항에 있어서, 상기 메모리지정신호출력부(18)는 상기 디멀티플렉서(16),에서 출력되는 카운트치와 출력클럭반전수단(12)으로부터의 클럭신호를 오아처리하여 데이터저장·복원대상의 메모리를 지정하는 신호를 발생하는 다수개의 오아게이트(18a-18n)로 구성되는 것을 특징으로 하는 압축데이터 복원회로.2. The memory of claim 1, wherein the memory designated signal output unit 18 processes the count value output from the demultiplexer 16 and the clock signal from the output clock inverting means 12 to perform data storage and restoration. Compressed data recovery circuit, characterized in that composed of a plurality of oragate (18a-18n) for generating a signal specifying a. 제1항에 있어서, 상기 데이터저장·복원부(20)는 입력되는 데이터를 저장/처리하기 위한 다수개의 메모리수단(21)과, 상기 출력클럭신호의 입력시 메모리수단(21)에 저장된 데이터를 시프트시키기 위한 다수개의 데이터시프트용 앤드게이트(22) 및 상기 데이터시프트용 앤드게이트(22)에 의해 시프트되는 데이터를 후단의 메모리에 기록하기 위한 다수개의 데이터기록용 오아게이트(23)로 구성된 것을 특징으로 하는 압축데이터 복원회로.The data storage / recovery unit (20) of claim 1, wherein the data storage / recovery unit (20) stores a plurality of memory means (21) for storing / processing input data and data stored in the memory means (21) upon inputting the output clock signal. A plurality of data shift and gates 22 for shifting, and a plurality of data recording or gates 23 for recording data shifted by the data shift and gate 22 in a subsequent memory. Compressed data recovery circuit. 제4항에 있어서, 상기 메모리수단(21)은 D플립플롭으로 구성된 것을 특징으로 하는 압축데이터 복원회로.5. The compressed data recovery circuit according to claim 4, wherein said memory means (21) is constituted by a D flip flop. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930016333A 1993-08-23 1993-08-23 Decompression circuit KR960010493B1 (en)

Priority Applications (1)

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KR1019930016333A KR960010493B1 (en) 1993-08-23 1993-08-23 Decompression circuit

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Application Number Priority Date Filing Date Title
KR1019930016333A KR960010493B1 (en) 1993-08-23 1993-08-23 Decompression circuit

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KR950007513A true KR950007513A (en) 1995-03-21
KR960010493B1 KR960010493B1 (en) 1996-08-01

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