KR19990061567A - Central Dust Collector - Google Patents
Central Dust Collector Download PDFInfo
- Publication number
- KR19990061567A KR19990061567A KR1019970081840A KR19970081840A KR19990061567A KR 19990061567 A KR19990061567 A KR 19990061567A KR 1019970081840 A KR1019970081840 A KR 1019970081840A KR 19970081840 A KR19970081840 A KR 19970081840A KR 19990061567 A KR19990061567 A KR 19990061567A
- Authority
- KR
- South Korea
- Prior art keywords
- main body
- suction
- vacuum cleaner
- cleaning
- cleaning main
- Prior art date
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Classifications
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- 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
- A47L9/2894—Details related to signal transmission in suction cleaners
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- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
- A47L5/38—Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
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- 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
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- 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
- A47L9/32—Handles
Abstract
본 발명은 중앙집진 진공청소기에 관한 것으로, 청소기본체로부터 벽면까지 끼워지는 흡입호스에 전선을 넣을 필요가 없음은 물론, 접속장치에 끼워지는 흡입장치의 흡입호스에 긴전선을 넣을 필요가 없도록 된 것이다.The present invention relates to a central dust vacuum cleaner, and does not need to put an electric wire in the suction hose fitted from the cleaning main body to the wall, and also does not need to put a long wire in the suction hose of the suction device fitted to the connecting device. .
본 발명의 구성은, 일반가정의 베란다(a)와 같이 소음의 전달이 최소화되는 소정의 공간에 설치되는 청소기본체(10)와, 이 청소기본체(10)에 일단이 연결됨과 더불어 벽면(b)에 설치된 접속장치(20)에 결합되는 제1흡입호스(30)와, 상기 접속장치(20)에 선택적으로 끼워서 방안을 청소할 수 있도록 된 흡입장치(40)로 구성된 중앙집진 진공청소기에 있어서, 상기 흡입장치(40)의 손잡이부재(42)에는 조작부(42a)의 조작에 따른 신호를 반송파와 함께 발신하도록 된 송신장치(100)가 설치되고, 상기 청소기본체(10)에서 인출된 전선(50)이 벽면(b)에 설치된 접속장치(20)에 연결됨과 더불어, 상기 접속장치(20)의 전면에는 상기 송신장치(100)에서 발생된 무선주파수를 받아 반송파를 제외한 데이터만을 처리하여 청소기본체(10)를 작동시킬 수 있도록 수신장치(200)가 설치되어 있다.The configuration of the present invention, the main body is installed in a predetermined space where the transmission of noise is minimized, such as a veranda (a) of a general home, and one end is connected to the cleaning main body 10 and the wall surface (b) In the central vacuum cleaner comprising a first suction hose 30 coupled to the connecting device 20 installed in the suction device, and a suction device 40 selectively fitted into the connecting device 20 to clean the room. The handle member 42 of the suction device 40 is provided with a transmission device 100 for transmitting a signal according to the operation of the operation unit 42a together with the carrier wave, and the wire 50 drawn from the cleaning base 10. In addition to being connected to the connecting device 20 installed on the wall (b), the front surface of the connecting device 20 receives only the radio frequency generated by the transmitting device 100 to process only the data excluding the carrier wave cleaning main body 10 Receiver 200 is installed to operate the There.
Description
본 발명은 중앙집진식 진공청소기에 관한 것으로, 특히 청소기본체로부터 벽면까지 끼워지는 흡입호스에 전선을 넣을 필요가 없음은 물론, 접속장치에 끼워지는 흡입장치의 흡입호스에 긴전선을 넣을 필요가 없도록 된 중앙집진 진공청소기에 관한 것이다.The present invention relates to a central vacuum cleaner, and in particular, there is no need to put an electric wire in the suction hose fitted from the cleaning main body to the wall, and a long wire is not required in the suction hose of the suction device fitted to the connecting device. It relates to a central vacuum cleaner.
일반적으로 중앙집진 진공청소기란, 청소기본체와 흡입장치를 서로 분리시켜, 작업자가 청소기본체를 작업장소의 이동시마다 일일이 옮기지 않아도 청소작업을 용이하게 수행할 수 있도록 진공청소기를 일컫는다.In general, the central vacuum cleaner refers to a vacuum cleaner that separates the cleaning main body and the suction device from each other so that an operator can easily perform the cleaning operation without moving the cleaning main body every time the working place is moved.
종래 중앙집진 진공청소기는 도 1에 도시된 것과 같이, 일반가정의 베란다(a)와 같이 소음의 전달이 최소화되는 소정의 공간에 설치되는 청소기본체(10)와, 이 청소기본체(10)에 일단이 연결됨과 더불어 벽면(b)에 설치된 접속장치(20)에 전원이 공급되도록 전선(31)이 내부에 수용된 상태에 결합되는 제1흡입호스(30)와, 상기 접속장치(20)에 선택적으로 끼워서 방안을 청소할 수 있도록 된 흡입장치(40)로 구성되어 있다.As shown in FIG. 1, a conventional central dust vacuum cleaner includes a cleaning main body 10 installed in a predetermined space where noise transmission is minimized, such as a veranda (a) of a general home, and once in the cleaning main body 10. The first suction hose 30 coupled to the state in which the electric wire 31 is accommodated therein so that power is supplied to the connection device 20 installed on the wall surface b and the connection device 20 is selectively provided. It is composed of a suction device 40 to be fitted to clean the room.
여기서 상기 청소기본체(10)는, 빗물등에 의해 누전되는 것을 방지할 수 있도록 지지프레임(11)을 매개로 베란다(a)에 설치되어 있다.Here, the cleaning main body 10 is installed on the porch (a) through the support frame 11 so as to prevent the short-circuit caused by rain or the like.
그리고 상기 흡입장치(40)는, 상기 접속장치(20)에 일단을 끼우도록 됨과 더불어 내부에 전선(41a)이 수용된 제2흡입호스(41)와, 이 제2흡입호스(41)에 연결되어 청소기본체(10)의 흡입력을 조절할 수 있도록 된 조작부(42a)를 갖춘 손잡이부재(42)와, 이 손잡이부재(42)의 하단에 설치되어 먼지등의 이물질을 흡입하도록 된 흡입구체(43)로 이루어져 있다.In addition, the suction device 40 is connected to the second suction hose 41 and the second suction hose 41 which is fitted with one end to the connection device 20 and the wire 41a is accommodated therein. With a handle member 42 having an operation portion 42a to adjust the suction force of the cleaning base 10, and a suction inlet 43 is installed on the lower end of the handle member 42 to suck foreign matters such as dust consist of.
따라서 상기 중앙집진식 진공청소기를 이용하여 청소부위를 청소하고자 할 때에는, 상기 청소기본체(10)에 전원이 공급된 상태에서 흡입장치(40)를 청소하고자 하는 공간으로 이동시킨 다음, 상기 흡입장치(40)의 제2흡입호스(41)을 접속장치(20)에 끼운다.Therefore, when the cleaning area is to be cleaned using the centralized vacuum cleaner, the suction device 40 is moved to a space to be cleaned while power is supplied to the cleaning main body 10, and then the suction device 40 The second suction hose 41) into the connecting device 20.
이후 상기 흡입장치(40)의 손잡이부재(42)에 갖춰진 조작부(42a)를 조작하게 되면 흡입구체(43)로 먼지나 이물질등을 흡입하여 청소할 수 있게 된다.Then, when operating the operation unit (42a) provided in the handle member 42 of the suction device 40 can be cleaned by suctioning dust or foreign matter with the suction port 43.
그러나 상기와 같은 중앙집진 진공청소기의 구성에 의하면, 상기 제1, 2흡입호스(30, 41)에 구비된 전선(31, 41a)의 배선을 위한 제조가 복잡하고 어려운 결점이 있었다.However, according to the configuration of the central vacuum cleaner as described above, manufacturing for the wiring of the wires 31 and 41a provided in the first and second suction hoses 30 and 41 is complicated and difficult.
이에 본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로, 손잡이 부재에는 송신장치가 설치되고, 청소기본체에서 인출된 전선이 벽면에 설치된 접속장치에 연결됨과 더불어, 상기 접속장치의 전면에는 송신장치에서 발생된 신호를 받아 청소기본체를 작동시킬 수 있도록 된 수신장치가 설치되어, 청소기본체로부터 벽면까지 끼워지는 흡입호스에 전선을 넣을 필요가 없음은 물론, 접속장치에 끼워지는 흡입호스에는 긴전선을 넣을 필요가 없도록 된 중앙집진 진공청소기를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, the transmission member is installed in the handle member, the wire drawn out from the cleaning main body is connected to the connection device installed on the wall, the transmission device on the front of the connection device The receiving device is installed to receive the signal generated from the cleaning main body so that the cleaning hose does not need to be inserted into the suction hose from the cleaning main body to the wall. The purpose is to provide a centralized vacuum cleaner that does not need to be placed.
제1도는 종래 중앙집진 진공청소기를 설명하기 위한 개략적인 설명도,1 is a schematic explanatory diagram for explaining a conventional centralized vacuum cleaner,
제2도는 본 발명에 따른 중앙집진 진공청소기를 설명하기 위한 개략적인 설명도,2 is a schematic explanatory diagram for explaining the central vacuum cleaner according to the present invention,
제3도는 본 발명에 따른 중앙집진 진공청소기의 흡입장치에 설치된 송신장치의 제어블록도,3 is a control block diagram of a transmission device installed in the suction device of the central vacuum cleaner according to the present invention,
제4도는 본 발명에 따른 중앙집진 진공청소기의 접속장치에 설치된 수신장치의 제어블럭도이다.4 is a control block diagram of a receiving apparatus installed in the connecting apparatus of the central vacuum cleaner according to the present invention.
*도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
a : 베란다 b : 벽면a: veranda b: wall
10 : 청소기본체 11 : 지지프레임10: cleaning main body 11: support frame
20 : 접속장치 30 : 제1흡입호스20: connecting device 30: first suction hose
40 : 흡입장치 42 : 손잡이부재40: suction device 42: handle member
42a : 조작부 43 : 흡입구체42a: operation unit 43: suction port
44 : 제2흡입호스 50 : 전선44: second suction hose 50: electric wire
100 : 송신장치 110 : 마이콤동작전원100: transmitting device 110: micom operation power supply
120 : 마이콤 130 : 송신부120: micom 130: transmitter
140 : 안테나 200 : 수신장치140: antenna 200: receiver
210 : 안테나 220 : 수신부210: antenna 220: receiver
230 : 마이콤동작전원 240 : 마이콤230: microcomputer operation power source 240: microcomputer
250 : 모터구동부250: motor drive part
상기와 같은 목적을 달성하기 위한 본 발명은, 일반가정의 베란다와 같이 소음의 전달이 최소화되는 소정의 공간에 설치되는 청소기본체와, 이 청소기본체에 일단이 연결됨과 더불어 벽면에 설치된 접속장치에 결합되는 제1흡입호스와, 상기 접속장치에 선택적으로 끼워서 방안을 청소할 수 있도록 된 흡입장치로 구성된 중앙집진 진공청소기에 있어서, 상기 흡입장치의 손잡이부재에는 조작부의 조작에 따른 신호를 반송파와 함께 발신하도록 된 송신장치가 설치되고, 상기 청소기본체에서 인출된 전선이 벽면에 설치된 접속장치에 연결됨과 더불어, 상기 접속장치의 전면에는 상기 송신장치에서 발생된 무선주파수를 받아 반송파를 제외한 데이터만을 처리하여 청소기본체를 작동시킬 수 있도록 된 수신장치가 설치된 구조로 되어 있다.The present invention for achieving the above object is coupled to the cleaning main body is installed in a predetermined space to minimize the transmission of noise, such as a veranda of the general home, and the connection device is installed on the wall and the end is connected to the cleaning main body In the central dust vacuum cleaner comprising a first suction hose which is to be inserted into the connection device and the suction device to clean the room selectively, the handle member of the suction device to send a signal according to the operation of the operation unit together with the carrier wave The transmission device is installed, and the wire drawn out from the cleaning body is connected to the connection device installed on the wall, and the front surface of the connection device receives only the radio frequency generated by the transmission device and processes only the data except the carrier wave. It has a structure in which a receiving device is installed to operate the controller.
이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 발명에 따른 중앙집진 진공청소기를 설명하기 위한 개략적인 설명도이고, 도 3는 본 발명에 따른 중앙집진 진공청소기의 흡입장치에 설치된 송신장치의 제어블럭도이며, 도 4는 본 발명에 따른 중앙집진 진공청소기의 청소기본체에 설치된 수신장치의 제어블럭도로서, 종래 기술을 설명하는 도 1과 동일한 부위에는 동일한 참조부호를 붙이면서 그 설명은 생략한다.Figure 2 is a schematic explanatory diagram for explaining the central dust vacuum cleaner according to the present invention, Figure 3 is a control block diagram of a transmission device installed in the suction device of the central dust vacuum cleaner according to the present invention, Figure 4 is a present invention Fig. 1 is a control block diagram of a receiving apparatus installed in a cleaning main body of a central vacuum cleaner according to the present invention, in which the same parts as in FIG.
본 발명은, 일반가정의 베란다(a)와 같이 소금의 전달이 최소화되는 소정의 공간에 설치되는 청소기본체(10)와, 이 청소기본체(10)에 일단이 연결됨과 더불어 벽면(b)에 설치된 접속장치(20)에 결합되는 제1흡입호스(30)와, 상기 접속장치(20)에 선택적으로 끼워서 방안을 청소할 수 있도록 된 흡입장치(40)로 구성된 중앙집진 진공청소기에 있어서, 상기 흡입장치(40)의 손잡이부재(42)에는 조작부(42a)의 조작에 따른 신호를 반송파와 함께 발신하도록 된 송신장치(100)가 설치되고, 상기 청소기본체(10)에서 인출된 전선(50)이 벽면(b)에 설치된 접속장치(20)에 연결됨과 더불어, 상기 접속장치(20)의 전면에는 상기 송신장치(100)에서 발생된 무선주파수를 받아 반송파를 제외한 데이터만을 처리하여 청소기본체(10)를 작동시킬 수 있도록 된 수신장치(200)가 설치되어 있다.The present invention, the main body 10 is installed in a predetermined space where the transmission of salt is minimized, such as a veranda (a) of the general home, and one end is connected to the cleaning main body 10 and installed on the wall surface (b) In the centralized vacuum cleaner comprising a first suction hose 30 coupled to the connecting device 20 and a suction device 40 selectively inserted into the connecting device 20 to clean the room. The handle member 42 of the 40 is provided with a transmitting device 100 which transmits a signal according to the operation of the operation unit 42a together with a carrier wave, and the wire 50 drawn from the cleaning base 10 is walled. In addition to being connected to the connection device 20 installed in (b), the front surface of the connection device 20 receives the radio frequency generated by the transmission device 100 to process only the data excluding the carrier wave cleaning the main body 10 Receiving device 200 which can be operated is installed .
여기서 상기 송신장치(100)는, 상기 조작부(42a)의 조작신호가 입력되면 마이콤동작전원(110)에 의해 동작하여 신호를 연산하도록 된 마이콤(120)과, 이 마이콤(120)의 데이터신호와 반송파에 싣는 송신부(130)와, 이 송신부(130)의 신호를 전송하도록 된 안테나(140)로 이루어져 있다.Here, the transmitter 100 is operated by the microcomputer operating power source 110 when the operation signal of the operation unit 42a is input to calculate a signal, the data signal of the microcomputer 120 and The transmitter 130 put on a carrier wave, and the antenna 140 which transmits the signal of this transmitter 130 are comprised.
그리고 상기 수신장지(200)는, 상기 송신장치(100)의 안테나(140)에서 전송된 신호를 수신하는 안테나(210)와, 이 안테나(210)로 수신된 신호에서 반송파를 제외한 데이터만을 검출하는 수신부(220)와, 이 수신부(220)의 데이터를 받아 마이콤동작전원(230)에 의해 동작하여 각각의 제어신호를 연산처리하도록 된 마이콤(240)과, 이 마이콤(240)에서 처리된 신호에 의해 상기 청소기본체(10)를 구동할 수 있도록 구동신호를 발생하도록 된 모터구동부(250)로 이루어져 있다.The receiving device 200 detects only the antenna 210 for receiving the signal transmitted from the antenna 140 of the transmitting device 100 and the data excluding the carrier wave from the signal received by the antenna 210. The receiver 220, the microcomputer 240 which receives the data of the receiver 220 and is operated by the microcomputer operating power supply 230 to process the respective control signals, and the signals processed by the microcomputer 240. It consists of a motor driving unit 250 to generate a drive signal to drive the cleaning main body 10 by.
또한 상기 청소기본체(10)는, 빗물등에 의해 누전되는 것을 방지할 수 있도록 지지프레임(11)을 매개로 베란다(a)에 설치되어 있다.In addition, the cleaning main body 10 is provided on the porch (a) via the support frame 11 so as to prevent the short-circuit by rain water.
그리고 상기 흡입장치(40)는, 상기 접속장치(20)에 일단을 끼워서 먼지를 흡입할 수 있도록 된 제2흡입호스(44)와, 이 제2흡입호스(44)에 연결되어 청소기본체(10)의 흡입력을 조절할 수 있도록 된 조작부(42a)와 송신장치(100)를 갖춘 손잡이 부재(42)와, 이 손잡이부재(42)의 하단에 설치되어 먼지등의 이물질을 흡입하도록 된 흡입구재(43)로 이루어져 있다.In addition, the suction device 40 is connected to the second suction hose 44 and the second suction hose 44 which is capable of sucking dust by inserting one end into the connection device 20 and the cleaning main body 10. A handle member 42 having an operation unit 42a and a transmission device 100 capable of adjusting the suction force of the control unit 42 and a suction port member 43 installed at a lower end of the handle member 42 to suck foreign substances such as dust. )
따라서 상기 중앙집진식 진공청소기를 이용하여 청소부위를 청소하고자 할 때에는, 상기 청소기본체(10)에 전원이 공급된 상태에서 흡입장치(40)를 청소하고자 하는 공간으로 이동시킨 다음, 상기 흡입장치(40)의 제2흡입호스(44)를 접속장치(20)에 끼운다.Therefore, when the cleaning area is to be cleaned using the centralized vacuum cleaner, the suction device 40 is moved to a space to be cleaned while power is supplied to the cleaning main body 10, and then the suction device 40 The second suction hose (44) to the connecting device (20).
이후 상기 흡입장치(40)의 손잡이부재(42)에 갖춰진 조작부(42a)를 조작하게 되면 조작부(42a)의 신호가 전선을 통하지 않고 송신장치(100)의 마이콤(120)과 송신부(130)에서 처리되어 반송파에 실어 안테나(140)로 전송하게 된다.Then, when operating the operation unit (42a) provided in the handle member 42 of the suction device 40, the signal of the operation unit (42a) from the microcomputer 120 and the transmitter 130 of the transmitter 100 without passing through the wire The process is carried on the carrier wave and transmitted to the antenna 140.
이때 상기 접속장치(20)의 전면에 설치된 수신장치(200)의 안테나(210)가 이를 수신하여 수신부(230)에서 반소아를 제거한 데이터만을 마이콤(240)으로 신호를 보내게 되고, 이때 마이콤(240)은 모터구동부(250)에 신호를 보내어 이 모터구동부(250)의 신호가 전선(50)을 따라 청소기본체(10)에 입력되어 동작이 이루어지게 되므로, 상기 청소기본체(10)가 상기 조작부(42a)의 조작신호에 의해 작동되게 된다.At this time, the antenna 210 of the receiving device 200 installed on the front of the connection device 20 receives the signal and sends a signal to the microcomputer 240 only after removing the half-child from the receiving unit 230, and at this time, The 240 sends a signal to the motor driving unit 250 so that the signal of the motor driving unit 250 is input to the cleaning main body 10 along the wire 50 so that the operation is performed. It is operated by the operation signal of 42a.
이상 설명한 바와 같이 본 발명에 의하면, 손잡이부재에는 송신장치가 설치되고, 청소기본체어세 인출된 전선이 벽면에 설치된 접속장치에 연결됨과 더불어, 상기 접속장치의 전면에는 송신장치에서 발생된 신호를 받아 청소기본체를 작동시킬 수 있도록 된 수신장치가 설치되어, 청소기본체로부터 벽면까지 끼워지는 흡입호스에 전선을 넣을 필요가 없음은 물론, 접속장치에 끼워지는 흡입호스에도 긴전선을 넣을 필요가 없게 되는 효과가 있다.As described above, according to the present invention, a transmission device is installed in the handle member, and the wire drawn out of the cleaning basic chair is connected to the connection device installed on the wall, and the front surface of the connection device receives a signal generated from the transmission device and the vacuum cleaner. The receiver is installed so that the main body can be operated so that the wire does not need to be inserted into the suction hose fitted from the cleaning body to the wall, and the wire does not need to be inserted into the suction hose fitted to the connecting device. have.
이상에서 본 발명의 구체적인 일 실시예를 상세히 설명하였으나, 본 발명은 이에 한정되는 것은 아니며, 이 분야의 통상의 지식을 가진 자라면 본 발명의 기술적 사상을 바탕으로 다양한 변경과 수정이 가능할 것이다.Although one specific embodiment of the present invention has been described in detail above, the present invention is not limited thereto, and various changes and modifications may be made by those skilled in the art based on the technical idea of the present invention.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970081840A KR100232535B1 (en) | 1997-12-31 | 1997-12-31 | Central dust collect type vacuum cleaner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970081840A KR100232535B1 (en) | 1997-12-31 | 1997-12-31 | Central dust collect type vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990061567A true KR19990061567A (en) | 1999-07-26 |
| KR100232535B1 KR100232535B1 (en) | 2000-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1019970081840A KR100232535B1 (en) | 1997-12-31 | 1997-12-31 | Central dust collect type vacuum cleaner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200170471A1 (en) * | 2004-05-12 | 2020-06-04 | Cube Investments Limited | Central vacuum cleaning system control subsystems |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200170471A1 (en) * | 2004-05-12 | 2020-06-04 | Cube Investments Limited | Central vacuum cleaning system control subsystems |
| US11503973B2 (en) * | 2004-05-12 | 2022-11-22 | Cube Investments Limited | Central vacuum cleaning system control subsystems |
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| KR100232535B1 (en) | 2000-01-15 |
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