KR940020709A - Adaptive Variable Length Coder - Google Patents

Adaptive Variable Length Coder Download PDF

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Publication number
KR940020709A
KR940020709A KR1019940003052A KR19940003052A KR940020709A KR 940020709 A KR940020709 A KR 940020709A KR 1019940003052 A KR1019940003052 A KR 1019940003052A KR 19940003052 A KR19940003052 A KR 19940003052A KR 940020709 A KR940020709 A KR 940020709A
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KR
South Korea
Prior art keywords
variable length
memory means
content addressable
address signal
addressable memory
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Application number
KR1019940003052A
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Korean (ko)
Inventor
송준규
오철동
Original Assignee
김주용
현대전자산업 주식회사
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Application filed by 김주용, 현대전자산업 주식회사 filed Critical 김주용
Publication of KR940020709A publication Critical patent/KR940020709A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/10—Preparation of ozone
    • C01B13/11—Preparation of ozone by electric discharge
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/78—Details relating to ozone treatment devices
    • C02F2201/782—Ozone generators

Abstract

적응형 가변길이부호기는 가변길이인코더 및 가변길이디코더로 전용되어 가변길이부호기의 이용효율 및 제작원가를 감소시킨다. 이를 위하여, 상기 적응형 가변길이부호기는 고정길이를 갖는 다수의 소오스심볼을 저장하고 가변길이부호화될 소오스심볼에 상응하는 어드레스신호를 발생하는 제1CAM과, 다수의 가변길이코드워드를 저장하고 소오스심볼로 디코딩될 가변길이코드워드에 해당하는 어드레스신호를 발생하는 제2CAM과, 제2CMA에 저장된 가변길이코드워드의 길이에 대한 다수의 길이데이타가 저장된 정상 메모리와, 제1CAM에서 발생된 어드레스신호의 제2CAM쪽으로의 전송 및 제2CAM에서 발생된 어드레스신호의 제1CAM쪽으로의 전송을 절환하기 위한 제1절환부와, 제1CAM에서 발생된 어드레스신호 및 제2CAM에서 발생된 어드레스신호를 정상 메모리 쪽으로 선택적으로 공급하기 위한 제2절환부를 구비한다.The adaptive variable length encoder is converted to a variable length encoder and a variable length decoder to reduce the use efficiency and manufacturing cost of the variable length encoder. To this end, the adaptive variable length encoder stores a plurality of source symbols having a fixed length and generates an address signal corresponding to a source symbol to be variable length coded, and stores a plurality of variable length codewords and a source symbol. A second memory for generating an address signal corresponding to a variable length codeword to be decoded by the second memory; a normal memory in which a plurality of length data for the length of the variable length codeword stored in the second CMA are stored; A first switching unit for switching the transmission to the 2CAM side and the transfer of the address signal generated in the second CAM to the first CAM side; It has a 2nd switch part for making it.

Description

적응형 가변길이부호기Adaptive Variable Length Coder

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

제1도는 본 발명의 실시예에 따른 적응형 가변길이부호기의 블럭도.1 is a block diagram of an adaptive variable length coder according to an embodiment of the present invention.

제2도는 제1도에 도시된 제1 및 제2CAM을 구성하는 매스커블 메모리셀의 상세회로도.FIG. 2 is a detailed circuit diagram of a massable memory cell constituting the first and second CAMs shown in FIG.

제3도는 제2도에 도시된 진위 및 보수의 테이타 입력 라인쪽으로 비트 테이타 및 리던던시 테이타를 중계하기 위한 비트 테이타 중계 회로도.3 is a bit data relay circuit for relaying bit data and redundancy data toward the true and complementary data input lines shown in FIG.

Claims (4)

고정길이를 갖는 다수의 소오스심볼을 저장하고 가변길이 부호화 될 소오스심볼에 상응하는 어드레스신호를 발생하는 제1콘텐트 어드레스 어블 메모리수단과, 다수의 가변길이코드워드를 저장하고 소오스심볼로 디코딩될 가변길이코드워드에 해당하는 어드레스신호를 발생하는 제2콘텐트 어드레스어블 메모리수단과, 제2콘텐트 어드레스어블 메모리수단에 저장된 가변길이코드워드의 길이에 대한 다수의 길이 데이타가 저장된 정상 메모리과, 제1콘텐트 어드레스어블 메모리수단에서 발생된 어드레스신호의 제2콘텐트 어드레스어블 메모리수단쪽으로 전송 및 제2콘텐트 어드레스어블 메모리수단에서 발생된 어드레스신호의 제1콘텐트 어드레스어를 메모리수단쪽으로의 전송을 절환하기 위한 제1절환부와, 제1콘텐트 어드레스어블 메모리수단에서 발생된 어드레스신호 및 제2콘텐트 어드레스어블 메모리수단에서 발생된 어드레스신호를 정상 메모리 쪽으로 선택적으로 공급하기 위한 제2절환부를 구비한 것을 특징으로 하는 적응형 가변길이 부호기.A first content addressable memory means for storing a plurality of source symbols having a fixed length and generating an address signal corresponding to the source symbol to be variable length encoded, a variable length for storing a plurality of variable length codewords and decoding the source symbols A second content addressable memory means for generating an address signal corresponding to a codeword, a normal memory in which a plurality of length data for a length of a variable length codeword stored in the second content addressable memory means are stored, and a first content addressable A first switching unit for transferring the address signal generated from the memory means to the second content addressable memory means and the transfer of the first content address word of the address signal generated from the second content addressable memory means to the memory means And in the first content addressable memory means And a second switching section for selectively supplying the generated address signal and the address signal generated by the second content addressable memory means to the normal memory. 제1항에 있어서, 상기 제1절환수단은, 가변길이 인코딩모드에서 상기 제1콘텐트 어드레스어블 메모리수단에서 발생된 어드레스신호를 상기 제2콘텐트 어드레스어블 메모리 수단 쪽으로 전송하고, 그리고 가변길이디코딩모드에서 상기 제2콘텐트 어드레스어블 메포리수단에서 발생된 어드레스신호를 상기 제1콘텐트 어드레스어블 메모리 수단 쪽으로 전송하도록 된 것을 특징으로 하는 적응형 가변길이 부호기.The method of claim 1, wherein the first switching means transfers the address signal generated in the first content addressable memory means to the second content addressable memory means in a variable length encoding mode, and in the variable length decoding mode. And an address signal generated by the second content addressable memory means is transmitted to the first content addressable memory means. 제1항에 있어서, 상기 제1절환수단이 MOS트랜지스터로 형성된 것을 특징으로 하는 적응형 가변길이 부호기.The adaptive variable length encoder according to claim 1, wherein the first switching means is formed of a MOS transistor. 제1항에 있어서, 상기 제2절환수단이 논리연산소자로 형성된 것을 특징으로 하는 적응형 가변길이 부호기.The adaptive variable length encoder according to claim 1, wherein said second switching means is formed of a logic operation element. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940003052A 1993-02-22 1994-02-21 Adaptive Variable Length Coder KR940020709A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR93-2413 1993-02-22
KR2019930002413U KR950008302Y1 (en) 1993-02-22 1993-02-22 Water purifier using ozone and ultraviolet rays

Publications (1)

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KR940020709A true KR940020709A (en) 1994-09-16

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KR2019930002413U KR950008302Y1 (en) 1993-02-22 1993-02-22 Water purifier using ozone and ultraviolet rays
KR1019940003052A KR940020709A (en) 1993-02-22 1994-02-21 Adaptive Variable Length Coder

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KR2019930002413U KR950008302Y1 (en) 1993-02-22 1993-02-22 Water purifier using ozone and ultraviolet rays

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Publication number Priority date Publication date Assignee Title
KR100719313B1 (en) * 2006-12-13 2007-05-18 주식회사 세아이엔씨 Advanced oxidation process apparatus with tower type reaction tank

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KR950008302Y1 (en) 1995-10-06
KR940020700U (en) 1994-09-17

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