KR930000077A - 진공청소기의 흡입력 제어 방법 및 장치 - Google Patents

진공청소기의 흡입력 제어 방법 및 장치 Download PDF

Info

Publication number
KR930000077A
KR930000077A KR1019910010590A KR910010590A KR930000077A KR 930000077 A KR930000077 A KR 930000077A KR 1019910010590 A KR1019910010590 A KR 1019910010590A KR 910010590 A KR910010590 A KR 910010590A KR 930000077 A KR930000077 A KR 930000077A
Authority
KR
South Korea
Prior art keywords
dust
amount
vacuum cleaner
unit
calculating
Prior art date
Application number
KR1019910010590A
Other languages
English (en)
Other versions
KR930005714B1 (ko
Inventor
백승면
Original Assignee
이헌조
주식회사 금성사
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19316276&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR930000077(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019910010590A priority Critical patent/KR930005714B1/ko
Priority to DE4220592A priority patent/DE4220592C2/de
Priority to JP16620492A priority patent/JP3330976B2/ja
Priority to US07/904,486 priority patent/US5323483A/en
Publication of KR930000077A publication Critical patent/KR930000077A/ko
Application granted granted Critical
Publication of KR930005714B1 publication Critical patent/KR930005714B1/ko

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/281—Parameters or conditions being sensed the amount or condition of incoming dirt or dust
    • A47L9/2815—Parameters or conditions being sensed the amount or condition of incoming dirt or dust using optical detectors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/74—Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

내용 없음

Description

진공 청소기의 흡입력 제어 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 일반적인 진공 청소기의 흡입력 제어 블록도.
제2도는 제1도에서 제어부의 상세 블록도.
제3도는 적외선 송ㆍ수신기의 설치부위를 보인 먼지 흡입구의 개략도.
제4도는 제1도에서 비교기의 출력 파형도.
제5도는 본 발명 진공 청소기의 흡입력 제어 블록도.
제6도는 제5도에서 제어부의 상세 블록도.
제7도는 제6도에서 고전위 유지시간 합산부의 합산구간을 예시적으로 보인 설명도.
제8도는 본 발명의 신호 흐름도.
* 도면의 주요 부분에 대한 부호의 설명
1 : 먼지 흡입구 2 : 먼저
3 : 적외선 송신기 4 : 적외선 수신기
5 : 미분기 6 : 비교기
7,7' : 제어부 7A' : 고전위 유지시간 합산부
7B' : 일정시간 발생부 7C': 속도 제어값 산출부
7D' : 점호각 제어부 7E' : 속도 표시 제어부
M : 흡입 전동기

Claims (3)

  1. 흡입되는 먼지량에 따른 펄스를 생성하고, 생성된 펄스폭의 비를 일정시간 단위로 누적 연산하여 먼지량을연산한 후, 상기 먼지량 연산값에 따라 흡입 모터(M)의 회전 속도를 단계적으로 제어하는 것을 특징으로 하는 진공 청소기의 흡입력 제어 방법.
  2. 제1항에 있어서, 먼지량의 변화에 의해 생성된 펄스폭의 고전위영역중에서 지속 시간을 소정시간 누적 연산하여 먼지량을 구하는 것을 특징으로 하는 진공 청소기의 흡입력 제어 방법.
  3. 먼지 흡입구(1)를 통과하는 먼지(2)의 량에 따른 펄스를 생성하는 적외선 송ㆍ수신기(3.4)와, 상기 적외선 수신기(4)의 출력 펄스를 미분하는 미분기(5)와, 상기 미분기(5)의 출력 파형을 정형하여 구형파를 출력하는 비교기(6)와, 상기 비교기(6)의 출력 파형에 대한 고전위 유지시간을 일정시간 발생부(7'B)에서 주어지는 일정시간 동안 합산하는 고전위 유지시간 합산부(7'A)와, 상기 고전위 유지시간 합산부(7'A)의 출력값에 따라 속도 제어값을 산출하는 속도 제어값 산출부(7'C)와, 상기 속도 제어값 산출부(7'C)의 출력값에 따라 흡입 모터(M)의 점호각을 제어하는 점호각 제어부(7'D)와, 상기 속도 제어값 산출부(7'C)의 출력값을 표시부(9')에 디스플레이 하기위한 제어부(7')로 구성된 것을 특징으로 하는 진공 청소기의 흡입력 제어 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910010590A 1991-06-25 1991-06-25 진공 청소기의 흡입력 제어방법 및 장치 KR930005714B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019910010590A KR930005714B1 (ko) 1991-06-25 1991-06-25 진공 청소기의 흡입력 제어방법 및 장치
DE4220592A DE4220592C2 (de) 1991-06-25 1992-06-24 Vorrichtung und Verfahren zum Steuern der Geschwindigkeit eines Saugmotors in einem Staubsauger
JP16620492A JP3330976B2 (ja) 1991-06-25 1992-06-24 真空清掃機の吸入電動機速度制御装置及び制御方式
US07/904,486 US5323483A (en) 1991-06-25 1992-06-25 Apparatus and method for controlling speed of suction motor in vacuum cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910010590A KR930005714B1 (ko) 1991-06-25 1991-06-25 진공 청소기의 흡입력 제어방법 및 장치

Publications (2)

Publication Number Publication Date
KR930000077A true KR930000077A (ko) 1993-01-15
KR930005714B1 KR930005714B1 (ko) 1993-06-24

Family

ID=19316276

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910010590A KR930005714B1 (ko) 1991-06-25 1991-06-25 진공 청소기의 흡입력 제어방법 및 장치

Country Status (4)

Country Link
US (1) US5323483A (ko)
JP (1) JP3330976B2 (ko)
KR (1) KR930005714B1 (ko)
DE (1) DE4220592C2 (ko)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695057B1 (fr) * 1992-09-01 1994-11-18 Lectra Systemes Sa Dispositif d'aspiration pour machine de coupe automatique et procédé de découpe mettant en Óoeuvre ledit dispositif.
DE4327070C1 (de) * 1993-08-12 1995-04-06 Gerhard Kurz Vorrichtung zur Regelung der Leistungsaufnahme eines Staubsaugers
JPH0822322A (ja) * 1994-07-07 1996-01-23 Johnson Kk 床面洗浄車制御方法及び装置
US5806238A (en) * 1996-09-12 1998-09-15 The United States Of America As Represented By The Secretary Of The Agriculture Biological vacuum device to enhance environmental quality
US5815884A (en) * 1996-11-27 1998-10-06 Yashima Electric Co., Ltd. Dust indication system for vacuum cleaner
US5920018A (en) * 1996-12-11 1999-07-06 The University Of Tennessee Research Corporation Real time volumetric flow sensor
US6023814A (en) * 1997-09-15 2000-02-15 Imamura; Nobuo Vacuum cleaner
US6012199A (en) * 1998-01-07 2000-01-11 Litomisky; Petr Refuse vacuum system for machine shops
US6030464A (en) * 1998-01-28 2000-02-29 Azevedo; Steven Method for diagnosing, cleaning and preserving carpeting and other fabrics
US7334350B2 (en) * 1999-03-16 2008-02-26 Anatomic Research, Inc Removable rounded midsole structures and chambers with computer processor-controlled variable pressure
US7062816B2 (en) * 1999-06-14 2006-06-20 Bissell Homecare, Inc. Surface cleaner with power drive
US6446302B1 (en) * 1999-06-14 2002-09-10 Bissell Homecare, Inc. Extraction cleaning machine with cleaning control
DE19956768A1 (de) * 1999-11-25 2001-05-31 Wilo Gmbh Pumpe mit Vibrationssensor
US8788092B2 (en) 2000-01-24 2014-07-22 Irobot Corporation Obstacle following sensor scheme for a mobile robot
US8412377B2 (en) 2000-01-24 2013-04-02 Irobot Corporation Obstacle following sensor scheme for a mobile robot
US6956348B2 (en) 2004-01-28 2005-10-18 Irobot Corporation Debris sensor for cleaning apparatus
US6800140B2 (en) 2000-06-13 2004-10-05 Bissell Homecare, Inc. Extraction cleaning with optimal cleaning speed
US6690134B1 (en) 2001-01-24 2004-02-10 Irobot Corporation Method and system for robot localization and confinement
US7571511B2 (en) 2002-01-03 2009-08-11 Irobot Corporation Autonomous floor-cleaning robot
US8396592B2 (en) 2001-06-12 2013-03-12 Irobot Corporation Method and system for multi-mode coverage for an autonomous robot
US7429843B2 (en) 2001-06-12 2008-09-30 Irobot Corporation Method and system for multi-mode coverage for an autonomous robot
US9128486B2 (en) 2002-01-24 2015-09-08 Irobot Corporation Navigational control system for a robotic device
US20050150519A1 (en) * 2002-07-08 2005-07-14 Alfred Kaercher Gmbh & Co. Kg Method for operating a floor cleaning system, and floor cleaning system for use of the method
US8386081B2 (en) 2002-09-13 2013-02-26 Irobot Corporation Navigational control system for a robotic device
US8428778B2 (en) 2002-09-13 2013-04-23 Irobot Corporation Navigational control system for a robotic device
US7356872B2 (en) * 2003-03-14 2008-04-15 Crowleyjones, L.P. Automated electronic vacuum system and method
US6943556B2 (en) * 2003-06-30 2005-09-13 Intel Corporation High-speed duty cycle test through DC measurement using a combination of relays
US7332890B2 (en) 2004-01-21 2008-02-19 Irobot Corporation Autonomous robot auto-docking and energy management systems and methods
JP2007530978A (ja) 2004-03-29 2007-11-01 エヴォリューション ロボティクス インコーポレイテッド 反射光源を使用する位置推定方法および装置
JP2008508572A (ja) 2004-06-24 2008-03-21 アイロボット コーポレーション 携帯ロボットのプログラミングおよび診断ツール
US8972052B2 (en) 2004-07-07 2015-03-03 Irobot Corporation Celestial navigation system for an autonomous vehicle
US7706917B1 (en) 2004-07-07 2010-04-27 Irobot Corporation Celestial navigation system for an autonomous robot
US8392021B2 (en) 2005-02-18 2013-03-05 Irobot Corporation Autonomous surface cleaning robot for wet cleaning
US8670866B2 (en) 2005-02-18 2014-03-11 Irobot Corporation Autonomous surface cleaning robot for wet and dry cleaning
US7620476B2 (en) 2005-02-18 2009-11-17 Irobot Corporation Autonomous surface cleaning robot for dry cleaning
US8930023B2 (en) 2009-11-06 2015-01-06 Irobot Corporation Localization by learning of wave-signal distributions
US7805882B2 (en) * 2005-05-06 2010-10-05 Wolf Dane M Invertebrate capturing device
US8978197B2 (en) * 2009-03-13 2015-03-17 Lg Electronics Inc. Vacuum cleaner
DE102005041133B3 (de) * 2005-08-30 2007-01-18 Miele & Cie. Kg Verfahren zum Betreiben eines Staubsaugers
JP4315146B2 (ja) * 2005-10-25 2009-08-19 パナソニック株式会社 電気掃除機
JP4321511B2 (ja) * 2005-10-25 2009-08-26 パナソニック株式会社 電気掃除機
JP4321516B2 (ja) * 2005-11-10 2009-08-26 パナソニック株式会社 電気掃除機
EP1969438B1 (en) 2005-12-02 2009-09-09 iRobot Corporation Modular robot
EP2816434A3 (en) 2005-12-02 2015-01-28 iRobot Corporation Autonomous coverage robot
KR101300493B1 (ko) 2005-12-02 2013-09-02 아이로보트 코퍼레이션 커버리지 로봇 이동성
ES2623920T3 (es) 2005-12-02 2017-07-12 Irobot Corporation Sistema de robot.
EP2533120B1 (en) 2005-12-02 2019-01-16 iRobot Corporation Robot system
KR100876694B1 (ko) * 2006-09-06 2008-12-31 엘지전자 주식회사 진공 청소기의 제어 방법
US7987551B2 (en) * 2005-12-10 2011-08-02 Lg Electronics Inc. Vacuum cleaner
US7749295B2 (en) 2005-12-10 2010-07-06 Lg Electronics Inc. Vacuum cleaner with removable dust collector, and methods of operating the same
US8281455B2 (en) * 2005-12-10 2012-10-09 Lg Electronics Inc. Vacuum cleaner
US8404034B2 (en) * 2005-12-10 2013-03-26 Lg Electronics Inc. Vacuum cleaner and method of controlling the same
US8544143B2 (en) * 2005-12-10 2013-10-01 Lg Electronics Inc. Vacuum cleaner with removable dust collector, and methods of operating the same
US7770253B2 (en) * 2005-12-10 2010-08-10 Lg Electronics Inc. Vacuum cleaner with removable dust collector, and methods of operating the same
US7882592B2 (en) * 2005-12-10 2011-02-08 Lg Electronics Inc. Vacuum cleaner
US8012250B2 (en) * 2005-12-10 2011-09-06 Lg Electronics Inc. Vacuum cleaner
US7785396B2 (en) * 2005-12-10 2010-08-31 Lg Electronics Inc. Vacuum cleaner with removable dust collector, and methods of operating the same
US20070166928A1 (en) * 2005-12-22 2007-07-19 Rj Mears, Llc Method for making an electronic device including a selectively polable superlattice
US7823249B2 (en) * 2006-01-05 2010-11-02 The Scott Fetzer Company Motor control for a vacuum cleaner
US7509707B2 (en) * 2006-02-06 2009-03-31 Panasonic Corporation Of North America Floor cleaning apparatus with dirt detection sensor
ATE523131T1 (de) 2006-05-19 2011-09-15 Irobot Corp Müllentfernung aus reinigungsrobotern
US8417383B2 (en) 2006-05-31 2013-04-09 Irobot Corporation Detecting robot stasis
EP1949842B1 (en) * 2007-01-24 2015-03-04 LG Electronics Inc. Vacuum cleaner
KR101345528B1 (ko) 2007-05-09 2013-12-27 아이로보트 코퍼레이션 자동 로봇
US7598683B1 (en) 2007-07-31 2009-10-06 Lsi Industries, Inc. Control of light intensity using pulses of a fixed duration and frequency
US8903577B2 (en) 2009-10-30 2014-12-02 Lsi Industries, Inc. Traction system for electrically powered vehicles
US8604709B2 (en) 2007-07-31 2013-12-10 Lsi Industries, Inc. Methods and systems for controlling electrical power to DC loads
DE102008026884B4 (de) * 2008-06-05 2012-01-12 Institut für Energie- und Umwelttechnik e.V. (IUTA) Reinigungsgerät für Partikel aufweisende Flächen und Verfahren zu dessen Betrieb
US8528163B2 (en) * 2009-02-12 2013-09-10 Lg Electronics Inc. Vacuum cleaner
US8151409B2 (en) * 2009-02-26 2012-04-10 Lg Electronics Inc. Vacuum cleaner
US8713752B2 (en) 2009-03-13 2014-05-06 Lg Electronics Inc. Vacuum cleaner
US8107983B2 (en) * 2009-03-16 2012-01-31 Telefonaktiebolaget L M Ericsson Systems and method for coordinated multipoint downlink transmissions
US20100236013A1 (en) * 2009-03-17 2010-09-23 Electrolux Home Care Products, Inc. Vacuum Cleaner Sensor
TWI399190B (zh) 2009-05-21 2013-06-21 Ind Tech Res Inst 清潔裝置、及其偵測方法
CN105147193B (zh) 2010-02-16 2018-06-12 艾罗伯特公司 真空吸尘器毛刷
CN105212839A (zh) * 2010-06-18 2016-01-06 苏州宝时得电动工具有限公司 吸尘器
SE534962C2 (sv) 2010-06-29 2012-02-28 Electrolux Ab Dammdetekteringssystem för en dammsugare
SE534963C2 (sv) 2010-06-29 2012-02-28 Electrolux Ab Dammindikator för en dammsugare
US20130249543A1 (en) * 2012-03-20 2013-09-26 Samsung Electro-Mechanics Co., Ltd Correction Circuit for Output Duty of Hall Element, Hall Sensor and Method of Correcting Output Duty of Hall Element
WO2014072469A1 (en) 2012-11-09 2014-05-15 Aktiebolaget Electrolux Cyclone dust separator arrangement, cyclone dust separator and cyclone vacuum cleaner
GB2515084B (en) * 2013-06-13 2015-10-28 Dyson Technology Ltd Surface cleaning appliance
KR20160053353A (ko) * 2014-11-03 2016-05-13 현대중공업 주식회사 플라즈마 절단 장치 및 이를 이용한 대상물 절단 방법
CN108283460B (zh) * 2017-01-09 2021-04-09 松下家电研究开发（杭州）有限公司 一种吸尘装置
KR102130691B1 (ko) 2018-05-18 2020-08-05 삼성전자주식회사 진공 청소기 및 진공 청소기의 제어방법
CN108667353A (zh) * 2018-05-18 2018-10-16 苏州华铭威智能科技有限公司 一种多功能无刷电机控制电路
US11304581B2 (en) 2019-01-08 2022-04-19 Bissell Inc. Surface cleaning apparatus
DE102019213290B4 (de) * 2019-09-03 2024-05-02 Volkswagen Aktiengesellschaft Intuitiv bedienbarer Handstaubsauger
US11039723B2 (en) * 2019-11-06 2021-06-22 Bissell Inc. Surface cleaning apparatus
CN111987947B (zh) * 2020-07-13 2022-06-10 深圳市兆威机电股份有限公司 步进电机及其启动控制方法、装置及计算机可读存储介质
CN112515536B (zh) * 2020-10-20 2022-05-03 深圳市银星智能科技股份有限公司 一种吸尘机器人的控制方法及其装置、吸尘机器人

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402607A (en) * 1980-05-16 1983-09-06 Gca Corporation Automatic detector for microscopic dust on large-area, optically unpolished surfaces
US4370690A (en) * 1981-02-06 1983-01-25 Whirlpool Corporation Vacuum cleaner control
US4607228A (en) * 1984-01-13 1986-08-19 Battelle Development Corporation Apparatus and method for measuring the concentration of solid particles in a fluid stream
DE3431164A1 (de) * 1984-02-08 1985-08-14 Gerhard 7262 Althengstett Kurz Staubsauger
DE3534621A1 (de) * 1985-09-28 1987-04-02 Interlava Ag Staubsauger
EP0231419A1 (de) * 1986-02-05 1987-08-12 Interlava AG Optische Anzeige- und Funktionskontrolleinheit für Staubsauger
KR940002923B1 (ko) * 1986-10-08 1994-04-07 가부시키가이샤 히타치세이사쿠쇼 전기청소기의 운전방법 및 그 장치
KR910009450B1 (ko) * 1987-10-16 1991-11-16 문수정 초전도 코일 및 그 제조법
DE3803824A1 (de) * 1988-02-09 1989-08-17 Gerhard Kurz Einbauvorrichtung fuer sensoren und geber
KR910006887B1 (ko) * 1988-06-15 1991-09-10 마쯔시다덴기산교 가부시기가이샤 전기소제기의 쓰레기 검지장치
JPH0779791B2 (ja) * 1988-11-07 1995-08-30 松下電器産業株式会社 電気掃除機
US5182833A (en) * 1989-05-11 1993-02-02 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner
US5144715A (en) * 1989-08-18 1992-09-08 Matsushita Electric Industrial Co., Ltd. Vacuum cleaner and method of determining type of floor surface being cleaned thereby
JPH03186243A (ja) * 1989-12-15 1991-08-14 Matsushita Electric Ind Co Ltd アップライト型電気掃除機

Also Published As

Publication number Publication date
JPH05176872A (ja) 1993-07-20
US5323483A (en) 1994-06-21
DE4220592A1 (de) 1993-01-14
DE4220592C2 (de) 2002-11-07
KR930005714B1 (ko) 1993-06-24
JP3330976B2 (ja) 2002-10-07

Similar Documents

Publication Publication Date Title
KR930000077A (ko) 진공청소기의 흡입력 제어 방법 및 장치
KR900017542A (ko) 진공소제기
KR850005818A (ko) 엘리베이터의 속도 제어장치
JPS5536816A (en) Optical system driving method
KR920021423A (ko) 엘리베이터의 속도 검출 장치
KR950024141A (ko) 액정 구동 방법 및 액정 구동 장치
JPH05322909A (ja) 回転速度検出装置
JPH02111277A (ja) モータの異常回転検出装置
CN207283525U (zh) 一种编码器接口模块
KR20000033804A (ko) 엔진 제어 모의 실험장치 및 모의 실험방법
KR910001382A (ko) 모터의 속도측정 방법 및 그 장치
US3604902A (en) Apparatus for eliminating flicker in a driven display
KR910000081A (ko) 진공 청소기의 자동 주행 방법
JPS63136125A (ja) 座標入力装置
KR940008222A (ko) 인코더를 부착한 유도 전동기의 속도 추정 방법
RU1823130C (ru) Детектор амплитудно-модулированных сигналов
KR19980047950A (ko) 엔코더를 이용한 속도 표시장치
KR940013197A (ko) 캡스턴모터 구동제어장치
SU873215A1 (ru) Устройство дл регулировани скорости электропривода
RU2022462C1 (ru) Демодулятор широтно-модулированного сигнала
JPS6441467A (en) Motor-driven type power steering device
JPS56111468A (en) Display system for electric power consumption of electric home appliance
JPS6367439B2 (ko)
KR930011009B1 (ko) 비디오의 서보 콘트롤 장치 및 방법
KR970036220A (ko) 차량 속도 디스플레이 장치 및 방법

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19951226

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee