CN100379031C

CN100379031C - Remote controlled electronic device

Info

Publication number: CN100379031C
Application number: CNB2005100738238A
Authority: CN
Inventors: 游士弘
Original assignee: BenQ Corp
Current assignee: AU Optronics Corp
Priority date: 2005-05-24
Filing date: 2005-05-24
Publication date: 2008-04-02
Anticipated expiration: 2025-05-24
Also published as: CN1870063A

Abstract

The present invention relates to a remote control type electronic device which comprises a body case, an optical filtering component, a sensor and a shadowing component, wherein the body case is provided with an opening; the optical filtering component is embedded in the opening of the body case; the sensor is arranged in the body case to receive light signals filtered by the optical filtering component; the shadowing component is arranged in front of the sensor and used for defining the light signal receiving range of the sensor.

Description

Remote controlled electronic device

Technical field

The present invention is about a kind of remote controlled electronic device, especially about a kind of remote controlled electronic device that defines the signal range of receiving.

Background technology

Along with the progress of science and technology, convenience in life also constantly improves.Many now electronic products all possess remote-controlled function.The distance type electronic product is equipped with remote controller usually, and to send a signal to the transducer on the main frame, transducer reaches the effect of straighforward operation electronic product then according to the signal reaction that receives.Therefore, transducer determines its quality for the remote controller reaction to the number that remote controller signal receives.

The signal that remote controller sends is generally the light signal of specific band, as the signal of infrared ray wave band.Transducer then is designed to only this band signal be responded.Therefore, in the design of traditional distance type electronic product, form opening in the position of host shell respective sensor usually, to allow the transducer receiving optical signals.In addition, for promoting main frame external form and appearance design, this opening increases attractive in appearance usually with the outer casing packing, also outer casing can be designed to have the larger area light-transmittable layer for the range of receiving that increases transducer sometimes.Yet this type of design also increases the possibility that transducer receives non-remote controller signal (being noise) simultaneously, and seriously influences the distant control function of electronic installation.During the receivable wave band overlapping of the signal in band that exists when context and transducer, this problem will be serious increasingly, even cause transducer insensitive or malfunctioning to the reception of remote controller.

Therefore, be necessary to provide a kind of remote controlled electronic device that defines range of receiving,, reach the functional demand of remote control with under the prerequisite minimum to the appearance design influence.

Summary of the invention

An aspect of of the present present invention is to provide a kind of remote controlled electronic device, and it need not mold again, promptly can change the signal receipts scope that transducer connects in low-cost mode.

Another aspect of the present invention is to provide a kind of remote controlled electronic device, and it has filtering assembly, in order to the receivable light signal of filtered sensor, and disposes shield assemblies to adjust the range of receiving of transducer, makes noise reduce, and then promotes the performance of remote control.

According to a kind of remote controlled electronic device of one embodiment of the invention, comprise a housing, a filtering assembly, a transducer and a shield assemblies.Its housing has an opening, and filtering assembly is embedded in this opening.Transducer is arranged on the housing inboard, for receiving the light signal that filters through filtering assembly.Shield assemblies is arranged on transducer the place ahead, in order to define the range of receiving of transducer to light signal.

Moreover housing also comprises a protuberance, and filtering assembly comprises a hole.When housing and filtering assembly were chimeric, protuberance engaged with hole.At an embodiment, shield assemblies be arranged on filtering assembly and transducer between, the some of filtered light signal of resistance receives to avoid transducer.At another embodiment, shield assemblies is arranged on the filtering assembly by the attaching mode, or utilizes coating to coat on the filtering assembly.Moreover shield assemblies is arranged so that the optical filtering of filtering assembly partly forms a prespecified geometric, as circular, oval or rectangle.

In addition, the range of receiving of transducer comprises a horizontal range of receiving and a vertical range of receiving, and in one embodiment shield assemblies be arranged so that transducer to the horizontal range of receiving of light signal greater than vertical range of receiving.At another embodiment, shield assemblies is arranged so that transducer equals vertical range of receiving in fact to the horizontal range of receiving of light signal.

Description of drawings

Fig. 1 is the schematic diagram of the remote controlled electronic device of one embodiment of the invention;

Fig. 2 is the local enlarged side view of Fig. 1;

Fig. 3 A-3C is the local enlarged side view according to other embodiment of the present invention;

Fig. 4 A-4C is that shield assemblies of the present invention is arranged so that filtering assembly forms the schematic diagram of default geometry; And

Fig. 5 is the present invention defines range of receiving by shield assemblies a schematic diagram.

Symbol description

100 remote controlled electronic devices

110 housings

112 openings

114 protuberances

120 filtering assemblies

120 ' filters partly

122 holes

130 transducers

140 shield assemblies

150 remote controllers

Embodiment

The present invention discloses a kind of remote controlled electronic device, and it defines range of receiving under the prerequisite minimum to the appearance design influence, with the minimizing noise, and then promotes the remote control performance.Now with reference to each accompanying drawing, describe in detail the present invention as after.

With reference to figure 1 and Fig. 2, be a kind of remote controlled electronic device 100 of one embodiment of the invention, can be any device that disposes distant control function, general as domestic electronic appliances such as TV, sound equipment, videocorders.With remote controlled electronic device 100 is that a LCD TV is an example, but enforcement of the present invention and not subject to the limits.Remote controlled electronic device 100 comprises a housing 110, a filtering assembly 120, a transducer 130 and a shield assemblies 140.Housing 110 is formed with an opening 112.Housing 110 can utilize traditional molding material such as plastics to form.Filtering assembly 120 is embedded in the opening 112 of housing 110.Generally speaking, housing 110 itself is made by light-proof material, and light signal enters in the housing 110 by the filtering assembly 120 that is embedded in opening 112.

Fig. 2 is the local enlarged side view of Fig. 1 remote controlled electronic device 100.As shown in Figure 2, housing 110 comprises a protuberance 114, and filtering assembly 120 comprises a hole 122.The diameter of the protuberance 114 of housing 110 is equal to or slightly less than the diameter of filtering assembly 120 holes 122 in fact, and when housing 110 and filtering assembly 120 were chimeric, protuberance 114 inserted holes 122 and engages with it.Moreover, for example can by heat melt manufacture craft make protuberance 114 the end softening transform and have diameter or shape greater than hole 122, filtering assembly 120 is bonded on the housing 110, and then forms chimerisms with opening 112.In other words, filtering assembly 120 is provided with the light-permeable part (being opening 112) with filling housing 110.Must notice that at this filtering assembly 120 can have other variation with the mode of connection of housing 110 according to design requirement, for example utilize adhesive agent to fit, or other traditional juncture.

Filtering assembly 120 can make by predetermined plastics, makes and only allows that the light signal of predetermined band passes through.Transducer 130 is arranged in the inner space that housing 110 defined, for receiving the light signal that filters through filtering assembly 120.Transducer 130 can be traditional optical sensor, and design to be to receive the light signal of predetermined band, for example the light signal of the infrared ray wave band that sends of remote controller 150.Design with this, but can filter the signal of removing most non-transducer 130 receiving wave ranges, and promote the sensitivity of transducer 130 by filtering assembly 120.Shield assemblies 140 is arranged on transducer 130 the place aheads, in order to the range of receiving (A) that defines 130 pairs of light signals of transducer.As shown in Figure 2, in an embodiment, shield assemblies 140 is arranged between filtering assembly 120 and the transducer 130, and resistance is the some of filtered light signal, receives to avoid transducer 130.That is, when filtering assembly 120 designs greatlyyer because of the appearance design demand, and make when transducer 130 is vulnerable to the noise jamming of external environment, can utilize shield assemblies 140 to dwindle the signal range of receiving of transducer 130, reduce the possibility of noise in the reception environment, and improve the energy of remote controller signal relatively.Moreover, when the light signal that exists in the environment with remote controller 150 identical wave bands, when for example the wave band optical signal that sends of the optical band that lighting source produced and remote controller 150 is identical, utilize shield assemblies 140 can effectively hinder but light signal from particular orientation.

According to another embodiment of the present invention, shield assemblies 140 is removable changing the relative position of itself and transducer 130, and then reaches the effect of adjusting transducer 130 range of receiving angles.For example, as shown in Figure 3A, shield assemblies 140 can move towards the direction of transducer 130, makes the range of receiving of transducer 130 strengthen.Relatively, shown in Fig. 3 B,, can dwindle the range of receiving of transducer 130 when shield assemblies 140 moves towards the direction away from transducer 130 (promptly towards near filtering assembly 120).With reference to figure 3C, in another embodiment, shield assemblies 140 is attached on the filtering assembly 120.According to the appearance design of remote controlled electronic device 100, shield assemblies 140 can be arranged on the filtering assembly 120 and be positioned at housing 110 inboards.Moreover in another embodiment, shield assemblies 140 is a coating, coats on the filtering assembly 120.Must notice that at this material of shield assemblies 140 can be and anyly can hinder the but material of predetermined band light signal, is not limited to coating or plastics.

With reference to figure 4A, 4B and 4C, shield assemblies 140 is arranged so that the optical filtering of filtering assembly 120 partly 120 ' forms a prespecified geometric.Shown in Fig. 4 A, shield assemblies 140 is arranged so that the optical filtering of filtering assembly 120 partly 120 ' forms circle.That is range of receiving comprises a horizontal range of receiving (A1) and a vertical range of receiving (A2), and shield assemblies 140 is arranged so that the horizontal range of receiving (A1) of transducer 130 light signals equals vertical range of receiving (A2) in fact.For example, the level of 130 pairs of light signals of transducer accepts scope (A1) or vertical range of receiving (A2) is preferably more than 60 degree angles, and so the reception to remote controller signal does not have too big influence, and can have the noise in the environment and to hinder but effect.In another embodiment, shield assemblies 140 is arranged so that the horizontal range of receiving (A1) of 130 pairs of light signals of transducer is greater than vertical range of receiving (A2).Shown in Fig. 4 B and 4C, shield assemblies 140 is arranged so that the prespecified geometric of the optical filtering part 120 ' of filtering assembly 120 is ellipse or rectangle.When the noise in the environment comes from the room lighting light source, because of the general lighting light source is arranged on ceiling or is positioned at than remote controlled electronic device is high position, therefore, the vertical more horizontal range of receiving of range of receiving (A2) (A1) is defined as little, so can effectively hinder but noise, not influence horizontal direction receiving ability simultaneously remote controller signal from vertical direction.For example, horizontal range of receiving (A1) should be spent angles and vertical range of receiving (A2) should dwindle and preferably be not less than 60 greater than 60 degree angles.In addition, during angles, can more effectively hinder but noise, but may hinder remote controller signal simultaneously and directly influence the remote control performance at special case if vertical range of receiving (A2) is defined as less than 60 degree.Must note, the different variation can being arranged according to design requirement though the shape of filtering assembly 120 is example with the circle at this.In addition, the default geometry of the part 120 ' that filters can be changed according to design requirement or noise source, is not limited to circle, ellipse or the rectangle of embodiment.

With reference to figure 5, show that the present invention defines the schematic diagram of range of receiving by shield assemblies 140.As shown in Figure 5, when not using shield assemblies 140, the range of receiving of transducer 130 is defined by filtering assembly 120, indicates as A0.When filtering assembly 120 because of appearance design when excessive, or when producing noise because of lighting source, the present invention utilizes shield assemblies 140 to define the range of receiving of transducer 130, indicate as A, can be with low cost, effectively reduce noise, promote the performance of remote controller, and need not re-design housing 110 or filtering assembly 120.Therefore, use the present invention can solve effectively appearance design with functional between the problem accepted or rejected, the while can make that distant control function is brought into play.

The above is the preferred embodiments of the present invention only, is not in order to limit scope of the present invention; All other do not break away from the equivalence of being finished under the spirit of the present invention and changes or modification, all should be included within the scope of the invention.

Claims

1. remote controlled electronic device comprises:

One housing has an opening, and described housing forms an inner space;

One filtering assembly is embedded in this opening of this housing;

One transducer is arranged in this inner space, for receiving a light signal that filters through this filtering assembly; And

One shield assemblies is arranged between this filtering assembly and this transducer, in order to define the range of receiving of this transducer to this light signal.

2. remote controlled electronic device according to claim 1, wherein this housing also comprises a protuberance, and this filtering assembly comprises a hole, when this housing and this filtering assembly were chimeric, this protuberance engaged with this hole.

3. remote controlled electronic device according to claim 1, wherein this filtered light signal comprises the light signal that a remote controller sends.

4. remote controlled electronic device according to claim 1, wherein this shield assemblies is arranged between this filtering assembly and this transducer, and resistance is the some of this filtered light signal but, receives to avoid this transducer.

5. remote controlled electronic device according to claim 1, wherein this shield assemblies is attached on this filtering assembly.

6. remote controlled electronic device according to claim 1, wherein this shield assemblies is that a coating is coated on this filtering assembly.

7. remote controlled electronic device according to claim 6, wherein this shield assemblies is arranged so that an optical filtering of this filtering assembly partly forms a prespecified geometric.

8. remote controlled electronic device according to claim 7, wherein this prespecified geometric comprises a circle, an ellipse or a rectangle.

9. remote controlled electronic device according to claim 1, wherein this range of receiving comprises a horizontal range of receiving and a vertical range of receiving, and this shield assemblies be arranged so that this transducer to the horizontal range of receiving of this light signal greater than vertical range of receiving.

10. remote controlled electronic device according to claim 1, wherein this shield assemblies is removable, to adjust this transducer this range of receiving to this light signal, wherein when this shield assemblies when the direction of this transducer moves, strengthen this transducer this range of receiving to this light signal, when this shield assemblies moves towards the direction away from this transducer, dwindle this transducer this range of receiving to this light signal.