WO1999051807A1 - Device for wireless control of a sewing machine - Google Patents
Device for wireless control of a sewing machine Download PDFInfo
- Publication number
- WO1999051807A1 WO1999051807A1 PCT/GB1999/000519 GB9900519W WO9951807A1 WO 1999051807 A1 WO1999051807 A1 WO 1999051807A1 GB 9900519 W GB9900519 W GB 9900519W WO 9951807 A1 WO9951807 A1 WO 9951807A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sewing machine
- wireless
- controlled switch
- switch
- wireless controller
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/36—Devices for stopping drive when abnormal conditions occur, e.g. thread breakage
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/18—Devices for changing speed or for reversing direction of rotation electric, e.g. foot pedals
Definitions
- This invention relates to a device to enable a sewing machine to be operated by the means of an in-house on-off switch that can be placed by the operator in a comfortable position allowing the user's hands and feet free.
- optical wireless foot controls any object that accidentally blocks the infrared beam causes malfunctions of the sewing machine.
- Radio waves can be used instead but a coded signal should be used in order to prevent interferences with signals from other transmitters.
- a receiver of this type used in conjunction with a sewing machine motor malfunctions because of the interferences that occur between the low-level incoming signal from the transmitter and the high-level RFI
- a device that can be used to operate a sewing machine without the need of a foot control allowing the operator to place an in-house on-off wireless controller switch in a comfortable position providing the user's hands free to hold the material and even people having restricted movement (eg in wheelchairs) can use the device.
- a wireless controlled switch connected to the mains supply by by the means of a lead at one end and a connector to the sewing machine at the other end.
- a speed selector is placed on the controlled switch allowing the operator to manually select a convenient speed by the means of a switch (in fixed steps) or a potentiometer (continuously).
- Another objects of the present invention is to prevent interferences from other sewing machines transmitters and overcome the problems of malfunction of the sewing machine's brush motor caused by the radio transmission method of operation although the incoming signal level from the transmitter is less than the RFI level created by the sewing machine brush motor.
- a very low power (no licence required) is used for the wireless controller, and more than one machine can be used independently and in the closest proximity to one another without interference from one transmitter to another thus permitting a number of sewing machines to be safely operated in a confined area.
- the controller switch is supplied with electric power by the means of a rechargeable battery and an LED shows the state of the battery. Once the LED light has gone out there will still be several hours of safety operation but the battery should be recharged in order to maintain its life-span.
- Figure 1 shows the layout of the controlled switch of the device of the invention connected to a sewing machine
- Figure 2 shows the controller of the device of Figure 1
- FIG 3 shows the block diagrams of the device of Figure 1 and Figure 2.
- the controlled switch is contained in a box 3 connected to the socket 2 of the sewing machine 1 by the plug 6 and fixed by two brackets 4 and 5 using screws 9.
- a speed selector 7 is incorporated to the box 3.
- An IEC mains supply lead can be connected to the mains socket 6.
- the wireless controller 12 is housed inside the box 10 with the lid 13 and the screws 14.
- the on-off switch 17 is operated by pressing the pad 15 which activates the spring 16.
- a signal is transmitted from the wireless controller 12 to the controlled switch ( Figure 1 , position 3).
- the LED 18 indicates the state of the battery 19 that can be recharged by the means of a DC socket 11.
- the wireless controller 1 comprises a power unit 3 supplying energy to the control unit 4 and the transmitter unit 6.
- a comparator 5 detects the state of the power unit 3 and shows it on an indicator 7.
- the power unit 2 can be recharged by the means of a DC power socket 2.
- the transmitter unit's carrier wave is AM pulse modulated by the control unit 4 also comprising a low frequency stabilised oscillator.
- the controlled switch 8 comprises a receiver 9 where the RF signal sent by the wireless controller 1 is amplified and mixed with the signal from a local oscillator and the resultant component amplified and fed to the filter 10.
- the output from the filter 10 is fed to the amplifier 11 then sent to the noise rejector 12 that allows only the expected signal to pass through the next stage amplifier 13.
- the output signal from 13 is fed to the demodulator 14 then amplified by the amplifier 15 that sends it to the opto-switch 16.
- the speed selector (manually set to a convenient speed) sends the incoming signal from the opto-switch 16 to the electronic switch 19 that allows the sewing machine's brush motor 18 to be activated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69904459T DE69904459D1 (en) | 1998-04-02 | 1999-02-19 | DEVICE FOR WIRELESS CONTROL OF A SEWING MACHINE |
EP99905098A EP1068386B1 (en) | 1998-04-02 | 1999-02-19 | Device for wireless control of a sewing machine |
AU25394/99A AU2539499A (en) | 1998-04-02 | 1999-02-19 | Device for wireless control of a sewing machine |
AT99905098T ATE229583T1 (en) | 1998-04-02 | 1999-02-19 | DEVICE FOR WIRELESS CONTROL OF A SEWING MACHINE |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9807025.3A GB9807025D0 (en) | 1998-04-02 | 1998-04-02 | Sewing machine device |
GB9807025.3 | 1998-04-02 | ||
GB9819955.7 | 1998-09-15 | ||
GB9819955A GB2332685B (en) | 1998-04-02 | 1998-09-15 | Sewing machine control device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999051807A1 true WO1999051807A1 (en) | 1999-10-14 |
Family
ID=26313407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1999/000519 WO1999051807A1 (en) | 1998-04-02 | 1999-02-19 | Device for wireless control of a sewing machine |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1068386B1 (en) |
AT (1) | ATE229583T1 (en) |
AU (1) | AU2539499A (en) |
DE (1) | DE69904459D1 (en) |
WO (1) | WO1999051807A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6979963B2 (en) * | 2004-02-12 | 2005-12-27 | Taiwan Yamamoto Electric Industrial Co. Ltd. | Method of wirelessly controlling a sewing machine |
EP1923497A1 (en) * | 2006-11-17 | 2008-05-21 | BERNINA International AG | Communication device for a sewing machine |
CN105105937A (en) * | 2015-09-28 | 2015-12-02 | 计京津 | Automatic electric energy supplement type back massage device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4332208A (en) * | 1978-06-01 | 1982-06-01 | Janome Sewing Machine Co., Ltd. | Sewing machine speed control circuit |
JPS5795191A (en) * | 1980-12-04 | 1982-06-12 | Ritsukaa Kk | Speed control apparatus for sewing machine |
JPS5950792A (en) * | 1982-09-14 | 1984-03-23 | Ritsukaa Kk | Wireless controller for sewing machine |
US4976552A (en) * | 1988-05-20 | 1990-12-11 | Janome Sewing Machine Company Limited | Sewing machine of a sewing machine by wireless controller |
US5247449A (en) * | 1990-10-04 | 1993-09-21 | Brother Kogyo Kabushiki Kaisha | Sewing machine having a wireless controller |
-
1999
- 1999-02-19 AT AT99905098T patent/ATE229583T1/en not_active IP Right Cessation
- 1999-02-19 AU AU25394/99A patent/AU2539499A/en not_active Abandoned
- 1999-02-19 DE DE69904459T patent/DE69904459D1/en not_active Expired - Lifetime
- 1999-02-19 EP EP99905098A patent/EP1068386B1/en not_active Expired - Lifetime
- 1999-02-19 WO PCT/GB1999/000519 patent/WO1999051807A1/en active IP Right Grant
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4332208A (en) * | 1978-06-01 | 1982-06-01 | Janome Sewing Machine Co., Ltd. | Sewing machine speed control circuit |
JPS5795191A (en) * | 1980-12-04 | 1982-06-12 | Ritsukaa Kk | Speed control apparatus for sewing machine |
JPS5950792A (en) * | 1982-09-14 | 1984-03-23 | Ritsukaa Kk | Wireless controller for sewing machine |
US4976552A (en) * | 1988-05-20 | 1990-12-11 | Janome Sewing Machine Company Limited | Sewing machine of a sewing machine by wireless controller |
US5247449A (en) * | 1990-10-04 | 1993-09-21 | Brother Kogyo Kabushiki Kaisha | Sewing machine having a wireless controller |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 006, no. 182 (E - 131) 18 September 1982 (1982-09-18) * |
PATENT ABSTRACTS OF JAPAN vol. 008, no. 142 (E - 254) 3 July 1984 (1984-07-03) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6979963B2 (en) * | 2004-02-12 | 2005-12-27 | Taiwan Yamamoto Electric Industrial Co. Ltd. | Method of wirelessly controlling a sewing machine |
EP1923497A1 (en) * | 2006-11-17 | 2008-05-21 | BERNINA International AG | Communication device for a sewing machine |
CN105105937A (en) * | 2015-09-28 | 2015-12-02 | 计京津 | Automatic electric energy supplement type back massage device |
Also Published As
Publication number | Publication date |
---|---|
AU2539499A (en) | 1999-10-25 |
EP1068386A1 (en) | 2001-01-17 |
EP1068386B1 (en) | 2002-12-11 |
DE69904459D1 (en) | 2003-01-23 |
ATE229583T1 (en) | 2002-12-15 |
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