[특허]Multiple-input four-quadrant multiplier

[미국특허] Multiple-input four-quadrant multiplier 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06G-007/163 G06J-001/00
출원번호	US-0393607 (1989-08-14)
우선권정보	EP-0114225 (1988-08-31)
발명자 / 주소	Stepp Richard (Munich DEX)
출원인 / 주소	Siemens Aktiengesellschaft (Berlin and Munich DEX 03)
인용정보	피인용 횟수 : 117 인용 특허 : 0

초록 ▼

A four-quadrant multiplier based on a Gilbert cell is utilized to multiply several signals by a similar signal. The transistors in two pairs of coupled differential amplifiers of one input terminal of the inner multiplier that is activated like a Gilbert cell by way of a diode-and-transistor section have several emitters. Each pair of emitters in the right and the left branch of the miltiplier can be oppositely activated by way of a source of variable current or by way of a series of a transistor and a source of current. To process square-wave signals, the source of variable current is a source that can be engaged and disengaged by I2L gates.

대표청구항 ▼

A four-quadrant multiplier in the form of a monolithic integrated electronic circuit, comprising: two signal-output terminals, one of which signal-output terminal consists of a first transistor with its collector connected to the collector of a third transistor and, via a first resistance, to a supply potential; and the other signal-output terminal consisting of a second transistor with its collector connected to the collector of a fourth transistor and, via a second resistance, to the supply potential; wherein the base of the first transistor is connected to the base of the fourth transistor, to the collector of a fifth transistor, and to the cathode of a first diode; and wherein the base of the second transistor is connected to the base of the third transistor, to the collector of a sixth transistor, and to the cathode of a second diode; wherein the anode of the first diode is connected, along with the anode of the second diode and via a third resistor, to the supply potential, wherein the emitters of the fifth transistor and of the sixth transistor are coupled to reference potential via a source of constant current, wherein the base of the sixth transistor comprises one of the multiplier\s input terminals and the base of the fifth transistor comprises the other input terminal, wherein the first four transistors are multiple-emitter transistors, wherein each emitter of the first transistor is connected to one emitter of the second transistor and to the current-input terminal of a source of variable current, wherein the current-output terminal of the respective source of variable current is connected to reference potential, wherein the control-input terminal of each of said respective sources of variable current are non-inverting input terminals, such that each emitter of the third transistor is connected to a corresponding emitter of the fourth transistor and to the current-input terminal of an individual source of variable current, such that each current-output terminal of each of said respective sources of variable current is connected to reference potential, and wherein the control-input terminals of said sources of variable current are inverting input terminals.

이 특허를 인용한 특허 (117) 인용/피인용 타임라인 분석

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해당 특허가 속한 카테고리에서 활용도가 높은 상위 5개 콘텐츠를 보여줍니다.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

[미국특허] Multiple-input four-quadrant multiplier 원문보기

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활용도 Top5 특허

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연합인증

[미국특허] Multiple-input four-quadrant multiplier 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (117) 인용/피인용 타임라인 분석

활용도 분석정보

활용도 Top5 특허 더보기

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

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활용도 Top5 특허