CA2409147A1 - Suspension cord pull switch - Google Patents
Suspension cord pull switch Download PDFInfo
- Publication number
- CA2409147A1 CA2409147A1 CA 2409147 CA2409147A CA2409147A1 CA 2409147 A1 CA2409147 A1 CA 2409147A1 CA 2409147 CA2409147 CA 2409147 CA 2409147 A CA2409147 A CA 2409147A CA 2409147 A1 CA2409147 A1 CA 2409147A1
- Authority
- CA
- Canada
- Prior art keywords
- suspension
- cord
- pull
- switch
- touch
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Mechanisms For Operating Contacts (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
An innovated suspension cord pull switch, having a capacitive induction device, serving as a touch control with capacitive induction effect; at one end of the suspension pull cord is a touch nit, inside the touch unit is suspended a contact unit.
Either one of the touch unit or the contact unit is grounded. Even when an insulator touches the suspension pull cord or the touch unit, the contact unit and the touch unit are brought into contact with each other, achieving the effect of touch control. Instead of conventional pulling operation, grasping operation, restricted direction of operation, and the extent of force in operation, the switch can be operated more easily, conveniently and quickly.
Either one of the touch unit or the contact unit is grounded. Even when an insulator touches the suspension pull cord or the touch unit, the contact unit and the touch unit are brought into contact with each other, achieving the effect of touch control. Instead of conventional pulling operation, grasping operation, restricted direction of operation, and the extent of force in operation, the switch can be operated more easily, conveniently and quickly.
Description
Suspension Cord Pull Switch Field of the invention The invention relates to a power switch, particularly a hanging pull cord type switch.
Description of the Prior Art Conventional suspension chain (string-pulling) switches have been widely used by people for the past 40 or 50 years, because they have some advantages. The object hanging high above has a low trouble rate, is convenient for operation, has a height of suspended string that can be adjusted freely to suit the position of the switch. The suspended switch can suit the needs of various circumstances. Another important reason for the popular use of the conventional suspended chain or pull string switch lies in that: the suspended string of switch hangs in midair, showing its conspicuous position for operation. Therefore, for a long period of time, people have become accustomed to it. Take the electrical household appliances as example;
consumers would often have trouble finding the location of the switches, because the switches are often located at different locations in different appliances. This problem is aggravated because of the wider and wider variety of switches available on the market.
The suspension pull switch has a unique feature among all types of switches.
It is conspicuously located for people to see. For the past 40 to 50 years, consumers are familiar with their use and operation. But conventional types of suspension switches have shortcomings that need improvement, including the four steps that must be followed (as shown in FIGS. 1 through 4):
1. The user's fingers must come in contact with the suspension cord 1.
Description of the Prior Art Conventional suspension chain (string-pulling) switches have been widely used by people for the past 40 or 50 years, because they have some advantages. The object hanging high above has a low trouble rate, is convenient for operation, has a height of suspended string that can be adjusted freely to suit the position of the switch. The suspended switch can suit the needs of various circumstances. Another important reason for the popular use of the conventional suspended chain or pull string switch lies in that: the suspended string of switch hangs in midair, showing its conspicuous position for operation. Therefore, for a long period of time, people have become accustomed to it. Take the electrical household appliances as example;
consumers would often have trouble finding the location of the switches, because the switches are often located at different locations in different appliances. This problem is aggravated because of the wider and wider variety of switches available on the market.
The suspension pull switch has a unique feature among all types of switches.
It is conspicuously located for people to see. For the past 40 to 50 years, consumers are familiar with their use and operation. But conventional types of suspension switches have shortcomings that need improvement, including the four steps that must be followed (as shown in FIGS. 1 through 4):
1. The user's fingers must come in contact with the suspension cord 1.
2. The user must firmly grasp the suspension cord 1.
3. After grasping the suspension cord I, the user must apply a sufficient force to pull the suspension down.
4. Finally, the user releases his fingers from the suspension cord 1.
Such operation requires sophisticated procedures, and is labor and time-consuming, inconvenient a.nd requiring precision. Because, the user could not pull the cord down without correctly locating and grasping the suspension cord 1.
Meanwhile, when performing step 3, the suspension cord 1 must be pulled down to effect switching control. If the suspension cord I is pulled in an oblique angle, the switch could not be performed correctly, or could not work. Or, the switch may be damaged, and its service life may be shortened. Therefore, conventional type of suspension switch involves the restriction on the direction of operation.
(Pulling in a downward direction could not be free from directional restriction.) Secondly, the force applied in pulling the suspension cord 1 must be controlled correctly. In case of excessive pulling force, the switch could be damaged. On the other hand, an insufficient force will not be able to perform the switching function. In the process of grasping the suspension cord 1, if in the first try the user cannot grasp the suspension cord 1 successfully, the suspension cord I could jump or swing in every direction conceivable; therefore in many cases the user has to try several times before he can successfully grasp and pull the suspension cord 1 and activate the switch. To prevent the suspension cord I from slipping out of hand after the cord is grasped in hand, there is a stopper object 11 installed at the end of the suspension cord I, to stop the suspension cord 1 from slipping out of hand. But the stopper object 11 does not have other functions except j ust that.
Therefore, due to the fact that conventional types of suspension pull switches have been widely used, but there are little improvement made on them, it has become imperative to seek possible improvement.
Summar~of the invention Therefore, to overcome the problems of inconvenience and shortcomings of conventional types of suspension pull switches, the inventor has come up with the present invention of suspension cord pull switch involving a capacitive sensor or device induction device enabling the function of capacitive induction of touch control.
Thereby, the user can perform effective control merely by touching or not touching the suspension cord. The suspension cord is operated without requiring conventional processes including grasping the cord, restriction on operational directions, and control of force applied. By simple process of one-touch operation, the invention of suspension switch can be operated easily, conveniently and quickly.
In addition, electric current type, resistance type, magnetic type, or thermal sensitive type induction means may be used to substitute for said capacitive induction end.
Suspension pull cord is optionally coated with a fluorescent compound or a light-emitting object, or fitted with a lamp.
Using and capacitive induction sensor or device induction device, this invention makes a suspension-pull cord become a touch or not-touch control cord with capacitive induction effects, so the operator can perform control of the object to be controlled without touching the suspension-pull cord, and operation of the switch can be easier, quicker and more convenient because of its advantages such as non-handgrip control, no restriction on orientation of operation, on need of control of applying force, and light-touch single operation.
The objectives and scope of applications of the present invention can be understood from the following description. But the detailed description and the preferred embodiment provided herein shall not be based to restrict the intent of the present invention. It should be understood that all equivalent modifications or variations made without departing from the description should be included in the S spirit and intent of the subject claim.
Brief description of drawings FIG. 1 shows the operation of a conventional suspension cord pull switch (1).
FIG 2 shows the operation of a conventional suspension cord pull switch (2).
FIG. 3 shows the operation of a conventional suspension cord pull switch (3).
FIG. 4 shows the operation of a conventional suspension cord pull switch (4).
FIG. 5 is a perspective view of the invention.
Detailed description of preferred embodiments As shown in FIG. 5, the invention comprises a static induction control and a suspension pull cord 2. The suspension pull cord 2 is a flexible conductive part or a metal chain. One end of the suspension pull cord 2 is connected to a touch control of the static control, so the suspension pull cord 2 becomes a touch control cord with a static induction effect. Thereby, the user can control the other end of the cord by touching one end of the suspension pull cord 2. Instead of grasping onto the suspension pull cord 2, control can be performed simply by touching or patting the cord. The suspension pull cord 2 can be touched or patted in any direction to affect the control, which is very easy and convenient. Meanwhile, there is no minimum requirement on the force being applied when the suspension pull cord is touched or patted to enable the control. Therefore, the switch will not be subjected to wear and tear or damage after it is in use for an extended period of time.
Moreover, the touch control performed on the suspension pull cord 2 or 2' can be varied by repetition of touches on the suspension pull cord 2 or 2'. As is often seen in the control of an electric ceiling fan, when the suspension pull cord 2 or 2' is touched for the first time, the fan is rotated at an optional first speed. When the suspension pull 5 cord 2 or 2' is touched the second time, the fan is rotated at an optional second speed.
Therefore, the same multiple-step control of a conventional suspension pull switch can also be performed in the present invention.
Optionally, to enable the user to see the suspension pull cord 2 or 2' or the contact unit 21 at nighttime, the suspension pull cord 2 or 2' or the touch unit 21 is coated with a fluorescent compound or a light-emitting object, or a lamp can be fitted.
Meanwhile, to avoid damage to the invention of suspension pull cord 2 or 2' as may be caused by frequent pulling, as is the practice employed on conventional pull switches, a buffer device can be installed between the conducting end of the suspension pull cord 2 or 2' and the static induction control, so when the suspension 1 S pull cord 2 or 2' is pulled, there will be no bad effect that may lead to damage.
Moreover, electric current type, resistance type, magnetic type, or thermal sensitive type induction means may be used to substitute for said capacitive induction end.
To conclude, the invention uses a suspension cord with a pull switch for static induction control, which can improve the shortcomings in conventional pull switches, thereby performing the control by a single touch by the user. Therefore, this invention has satisfied the requirement for a patent right, and this application is filed for a patent.
Such operation requires sophisticated procedures, and is labor and time-consuming, inconvenient a.nd requiring precision. Because, the user could not pull the cord down without correctly locating and grasping the suspension cord 1.
Meanwhile, when performing step 3, the suspension cord 1 must be pulled down to effect switching control. If the suspension cord I is pulled in an oblique angle, the switch could not be performed correctly, or could not work. Or, the switch may be damaged, and its service life may be shortened. Therefore, conventional type of suspension switch involves the restriction on the direction of operation.
(Pulling in a downward direction could not be free from directional restriction.) Secondly, the force applied in pulling the suspension cord 1 must be controlled correctly. In case of excessive pulling force, the switch could be damaged. On the other hand, an insufficient force will not be able to perform the switching function. In the process of grasping the suspension cord 1, if in the first try the user cannot grasp the suspension cord 1 successfully, the suspension cord I could jump or swing in every direction conceivable; therefore in many cases the user has to try several times before he can successfully grasp and pull the suspension cord 1 and activate the switch. To prevent the suspension cord I from slipping out of hand after the cord is grasped in hand, there is a stopper object 11 installed at the end of the suspension cord I, to stop the suspension cord 1 from slipping out of hand. But the stopper object 11 does not have other functions except j ust that.
Therefore, due to the fact that conventional types of suspension pull switches have been widely used, but there are little improvement made on them, it has become imperative to seek possible improvement.
Summar~of the invention Therefore, to overcome the problems of inconvenience and shortcomings of conventional types of suspension pull switches, the inventor has come up with the present invention of suspension cord pull switch involving a capacitive sensor or device induction device enabling the function of capacitive induction of touch control.
Thereby, the user can perform effective control merely by touching or not touching the suspension cord. The suspension cord is operated without requiring conventional processes including grasping the cord, restriction on operational directions, and control of force applied. By simple process of one-touch operation, the invention of suspension switch can be operated easily, conveniently and quickly.
In addition, electric current type, resistance type, magnetic type, or thermal sensitive type induction means may be used to substitute for said capacitive induction end.
Suspension pull cord is optionally coated with a fluorescent compound or a light-emitting object, or fitted with a lamp.
Using and capacitive induction sensor or device induction device, this invention makes a suspension-pull cord become a touch or not-touch control cord with capacitive induction effects, so the operator can perform control of the object to be controlled without touching the suspension-pull cord, and operation of the switch can be easier, quicker and more convenient because of its advantages such as non-handgrip control, no restriction on orientation of operation, on need of control of applying force, and light-touch single operation.
The objectives and scope of applications of the present invention can be understood from the following description. But the detailed description and the preferred embodiment provided herein shall not be based to restrict the intent of the present invention. It should be understood that all equivalent modifications or variations made without departing from the description should be included in the S spirit and intent of the subject claim.
Brief description of drawings FIG. 1 shows the operation of a conventional suspension cord pull switch (1).
FIG 2 shows the operation of a conventional suspension cord pull switch (2).
FIG. 3 shows the operation of a conventional suspension cord pull switch (3).
FIG. 4 shows the operation of a conventional suspension cord pull switch (4).
FIG. 5 is a perspective view of the invention.
Detailed description of preferred embodiments As shown in FIG. 5, the invention comprises a static induction control and a suspension pull cord 2. The suspension pull cord 2 is a flexible conductive part or a metal chain. One end of the suspension pull cord 2 is connected to a touch control of the static control, so the suspension pull cord 2 becomes a touch control cord with a static induction effect. Thereby, the user can control the other end of the cord by touching one end of the suspension pull cord 2. Instead of grasping onto the suspension pull cord 2, control can be performed simply by touching or patting the cord. The suspension pull cord 2 can be touched or patted in any direction to affect the control, which is very easy and convenient. Meanwhile, there is no minimum requirement on the force being applied when the suspension pull cord is touched or patted to enable the control. Therefore, the switch will not be subjected to wear and tear or damage after it is in use for an extended period of time.
Moreover, the touch control performed on the suspension pull cord 2 or 2' can be varied by repetition of touches on the suspension pull cord 2 or 2'. As is often seen in the control of an electric ceiling fan, when the suspension pull cord 2 or 2' is touched for the first time, the fan is rotated at an optional first speed. When the suspension pull 5 cord 2 or 2' is touched the second time, the fan is rotated at an optional second speed.
Therefore, the same multiple-step control of a conventional suspension pull switch can also be performed in the present invention.
Optionally, to enable the user to see the suspension pull cord 2 or 2' or the contact unit 21 at nighttime, the suspension pull cord 2 or 2' or the touch unit 21 is coated with a fluorescent compound or a light-emitting object, or a lamp can be fitted.
Meanwhile, to avoid damage to the invention of suspension pull cord 2 or 2' as may be caused by frequent pulling, as is the practice employed on conventional pull switches, a buffer device can be installed between the conducting end of the suspension pull cord 2 or 2' and the static induction control, so when the suspension 1 S pull cord 2 or 2' is pulled, there will be no bad effect that may lead to damage.
Moreover, electric current type, resistance type, magnetic type, or thermal sensitive type induction means may be used to substitute for said capacitive induction end.
To conclude, the invention uses a suspension cord with a pull switch for static induction control, which can improve the shortcomings in conventional pull switches, thereby performing the control by a single touch by the user. Therefore, this invention has satisfied the requirement for a patent right, and this application is filed for a patent.
Claims (3)
1. An innovated suspension cord pull switch, comprising a hanging pull cord, characterized in that: it having a capacitive induction sensor or device connected to one end of a suspension pull cord containing a conductive wire, so the suspension pull cord becomes a touch or not-touch control with capacitive induction effect, without requiring a user to grasp the suspension pull cord, to aim at a specified direction, or to apply a specified minimum force.
2. The suspension cord pull switch as claimed in claim 1, wherein electric current type, resistance type, magnetic type, inductance type, or thermal sensitive type induction means may be used to substitute for said capacitive induction end.
3. The suspension cord pull switch as claimed in claim 1, wherein the suspension pull cord is optionally coated with a fluorescent compound or a light-emitting object, or fitted with a lamp.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01136131.X | 2001-10-23 | ||
| CN01136131A CN100583635C (en) | 2001-10-23 | 2001-10-23 | Suspension pull type switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2409147A1 true CA2409147A1 (en) | 2003-04-23 |
Family
ID=4673453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2409147 Abandoned CA2409147A1 (en) | 2001-10-23 | 2002-10-18 | Suspension cord pull switch |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN100583635C (en) |
| CA (1) | CA2409147A1 (en) |
| DE (1) | DE10248994A1 (en) |
| IT (1) | ITMI20022235A1 (en) |
| NL (1) | NL1021726C2 (en) |
| TR (1) | TR200202417A2 (en) |
-
2001
- 2001-10-23 CN CN01136131A patent/CN100583635C/en not_active Expired - Fee Related
-
2002
- 2002-10-18 CA CA 2409147 patent/CA2409147A1/en not_active Abandoned
- 2002-10-21 IT ITMI20022235 patent/ITMI20022235A1/en unknown
- 2002-10-21 DE DE2002148994 patent/DE10248994A1/en not_active Ceased
- 2002-10-23 TR TR2002/02417A patent/TR200202417A2/en unknown
- 2002-10-23 NL NL1021726A patent/NL1021726C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CN100583635C (en) | 2010-01-20 |
| CN1414704A (en) | 2003-04-30 |
| NL1021726C2 (en) | 2003-11-18 |
| NL1021726A1 (en) | 2003-04-24 |
| TR200202417A2 (en) | 2004-11-22 |
| ITMI20022235A1 (en) | 2003-04-24 |
| DE10248994A1 (en) | 2003-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |