CN1684167A

CN1684167A - Electronic device with placement angle sensing function and method for selecting operation mode

Info

Publication number: CN1684167A
Application number: CN 200410031697
Authority: CN
Inventors: 林瑞江
Original assignee: Lite On IT Corp
Current assignee: Lite On IT Corp
Priority date: 2004-04-13
Filing date: 2004-04-13
Publication date: 2005-10-19
Anticipated expiration: 2024-04-13
Also published as: CN100418144C

Abstract

The invention provides an electronic device with a placing angle sensing function, which comprises an electronic component, a light sensor for sensing light, a light source for emitting the light to the light source sensor, a light blocker for blocking the light emitted to the light sensor by the light source when the electronic component inclines to an angle within a preset range, and a control circuit which is connected to the light sensor and is used for controlling the electronic component to select one of a plurality of operation modes to execute according to the intensity of the light sensed by the light sensor.

Description

Have the electronic installation of storing angle sensing function and the method for select operating mode

Technical field

The present invention is relevant to a kind of electronic installation, refers to a kind of electronic installation of putting the angle sensing function that has especially.

Background technology

In recent years, because the fast development of numeral science and technology makes all can be converted into the numeric type data such as various analogue type data such as image and sound, with conveniently follow-up storage or transmission process.Along with the numeric type data is increasing for the demand of storage area, passing data storage medium as tape or disk, does not apply already and uses, the substitute is discs, CD-ROM drive is then a kind of to be used for the electronic installation of stored numeric type data in access one discs.

In general, CD-ROM drive need be in horizontality and can correctly read the data that is stored in the discs.In other words, if the real non-standard state that has been in of CD-ROM drive for example is inverted, but still is not continued to read this discs with knowing, at this moment, it is wrong that the data that CD-ROM drive read is likely.Moreover, the CD-ROM drive of being inverted running might cause the card of discs in addition, and and then causes the damage of expensive optical read head in the CD-ROM drive.

Summary of the invention

Therefore fundamental purpose of the present invention is to provide a kind of electronic installation of putting the angle sensing function that has, to solve prior art problems.

According to claim of the present invention, the present invention discloses a kind of electronic installation, it comprises electronic package, one light sensor that is used for light sensing, one is used for the light source of light emission to this light source sensor, one light that is used for blocking when this electronic package tilts to angle in a preset range by the light of this light sensor that this light source is emitted to blocks device, and a control circuit, this control circuit is connected in this light sensor and is used for selecting an execution according to the intensity of this light sensor institute light sensing to control this electronic package in a plurality of operating modes.

In preferred embodiment of the present invention, this electronic package can be a CD-ROM drive or a display panels.If this electronic package is a CD-ROM drive, this control circuit can sense the light that this light source is launched according to having or not of this light sensor, and the operating mode of controlling this CD-ROM drive is the activation operating mode or closes operating mode; If this electronic package is a display panels, this control circuit can be according to the light that this light source is launched that whether senses of this light sensor, and the operating mode of controlling this display panels is that straight formula image shows that operating mode or horizontal type image show operating mode.

Because electronic installation of the present invention has the angle of storing sensing function, therefore, when the electronic package in this electronic installation tilts to above the angle in this preset range, this control circuit just can change the operating mode of this electronic package accordingly, for example when this electronic package is a CD-ROM drive, select whether to close and protect this CD-ROM drive; Maybe when this electronic package is a display panels, change the image display mode of this display panels.

Description of drawings

Fig. 1 is the skeleton view of the electronic installation that a level is put in the preferred embodiment of the present invention.

Fig. 2 is the skeleton view that is in the electronic installation that is shown in Fig. 1 of inversion state.

Fig. 3 is the skeleton view of the electronic installation that a level is put in the second embodiment of the present invention.

Fig. 4 rotates the skeleton view of this electronic installation behind 90 degree towards counterclockwise direction for a display panels in the electronic installation shown among Fig. 3.

Fig. 5 blocks the side view of the another kind of embodiment of device for light in the second embodiment of the present invention.

Fig. 6 is the skeleton view of the electronic installation that a level is put in the third embodiment of the present invention.

Fig. 7 is electronic installation shown among Fig. 6 sectional view along a tangent line LL '.

Fig. 8 is a calcspar, in order to the embodiment of explanation according to control circuit of the present invention.

Fig. 9 is a calcspar, in order to explanation another embodiment according to control circuit of the present invention.

Symbol description

10,30,60 electronic installations, 12 CD-ROM drives

14,64 light sensors, 16,66 light sources

18,38,68 housings, 20,40,70 light block device

22,72 control circuits, 32 display panels

44,46,76 second limits, 74 first limits

48,78,96 rotation axiss, 50,80,90 light block body

100 virtual second limits, 98 virtual first limits

92 bodies of rod, 94 bases

802 microcontrollers, 804 main frames

806 internal memories, 808 DRAM (Dynamic Random Access Memory)

810 radio-frequency (RF) signal amplifiers, 812 actuators and motor

820 comparers, 822 light sensors

824 reference voltages, 830 digital-analog convertors

Embodiment

See also Fig. 1, Fig. 1 is the skeleton view of the electronic installation 10 that a level is put in the preferred embodiment of the present invention, and electronic installation 10 has the angle of storing sensing function.Electronic installation 10 comprises a CD-ROM drive 12, one light sensor 14 that is used for light sensing, one is used for the light source 16 of light towards light source sensor 14 emissions, one housing 18, one light that is fixed in housing 18 and is used for rotating along with the inclination of CD-ROM drive 12 and blocks the light that is sent towards light sensor 14 by 16 of light sources when CD-ROM drive 12 tilts to angle in a preset range in rotating mode blocks device 20, and one be electrically connected on light sensor 14 and be used for whether receiving light that light source 16 the sent control circuit 22 with the running of control CD-ROM drive 12 according to light sensor 14, wherein light blocks device 20 because of action of gravity, when CD-ROM drive 12 tilts to different angles, can cause light-shielding in various degree to block effect.

The operation of shown electronic installation 10 outlines as follows among Fig. 1: because CD-ROM drive 12 horizontal positioned, so light blocks device 20 and can put and rest on the housing 18 along with the level of CD-ROM drive 12, in other words, light blocks device 20 and is not positioned at one and can blocks the position of blocking that light sensor 14 senses light that light source 16 sent, and is shown in dotted line; In this simultaneously, light sensor 14 can sense the light that light source 16 is sent, and control circuit 22 has the running that senses the light that light source 16 sends and control CD-ROM drive 12 according to light sensor 14.For instance, if CD-ROM drive 12 is reading the data of a discs, then control circuit 22 operating mode that can control CD-ROM drive 12 this moment is an activation operating mode, to read the data of this discs constantly.

See also Fig. 2, Fig. 2 is the skeleton view that is in the electronic installation 10 of inversion state.As shown in Figure 2, light blocks device 20 and can be positioned at this along with the inversion of CD-ROM drive 12 and block the position, in this simultaneously, light sensor 14 just can't sense any light that light source 16 is sent, and controls the running of CD-ROM drive 12 and control circuit 22 does not sense any light that light source 16 sends according to light sensor 14.For instance, if CD-ROM drive 12 is reading the data of a discs, then can to control the operating mode of CD-ROM drive 12 this moment be to close operating mode for control circuit 22, for example CD-ROM drive 12 can sound signal or light signal as caution, stop to read the data of this discs or simply close CD-ROM drive 12.

See also Fig. 3, Fig. 3 is the skeleton view of the electronic installation 30 that a level is put in the second embodiment of the present invention, and similarly, electronic installation 30 also has the angle of storing sensing function.Electronic installation 30 comprises always/and horizontal dual-purpose display panels 32, light sensor 14, light source 16, a housing 38, a light blocks device 40 and control circuit 22.Light blocks device 40 and comprises one and be fixed in housing 38 and be arranged at this and block rotation axis 48 outside the position, and one be fixed in rotation axis 48 and can block body 50 around the light of rotation axis 48 rotations along with the rotation of display panels 32.The angle that light blocks 46 on first limit 44 of body 50 and second limit is 90 degree, and wherein light blocks device 40 because of action of gravity, when display panels 32 tilts to different angles, can cause light-shielding in various degree to block effect.

The operation of shown electronic installation 30 outlines as follows among Fig. 3: because display panels 32 horizontal positioned, and because that the light that light blocks device 40 blocks body 50 ground that can keep down because of the relation of gravity is static, therefore, light blocks body 50 and can't be positioned at this and block the position; In this simultaneously, light sensor 14 can sense the light that light source 16 is sent, and control circuit 22 has the running that senses the light that light source 16 sends and control display panels 32 according to light sensor 14, for instance, the operating mode that control circuit 22 can be controlled display panels 32 this moment is the operating mode of formula image demonstration always, for example on one's own initiative with the vertical mode display image, or inform main frame, indication should be used the vertical mode display image instead at present.

When the display panels among Fig. 3 32 when counterclockwise direction is rotated gradually, light blocks body 50 can be along with the rotation of display panels 32 around rotation axis 48 rotations, and and then block the position near this gradually.When display panels 32 rotates 45 when spending towards counterclockwise direction, first limit 44 that light blocks body 50 can be positioned at this just and block the position, in this simultaneously, light sensor 14 also can sense light that light source 16 sent and is transformed into and do not sense any light that light source 16 is sent just from having.

See also Fig. 4, Fig. 4 rotates the skeleton view of 90 degree back electronic installations 30 towards counterclockwise direction for display panels 32 shown among Fig. 3.In the shown electronic installation 30 of Fig. 4, light blocks body 50 and is positioned at this and blocks the position, in other words, light sensor 14 can't sense any light that light source 16 is sent, and changes the running of display panels 32 and control circuit 22 does not just sense any light that light source 16 sends according to light sensor 14.For instance, the operating mode that control circuit 22 can be controlled display panels 32 this moment is that a horizontal type image shows operating mode, display image in a horizontal manner on one's own initiative for example, or inform main frame, indication should be used the horizontal mode display image instead at present.

When reaching towards the rotation of counterclockwise direction, display panels shown among Fig. 4 32 surpasses 45 degree and behind 90 degree that arrive, light blocks body 50 and just can move apart this and block the position, in other words, light sensor 14 just can sense the light that light source 16 is sent once more, and control circuit 22 just has the operating mode that senses the light that light source 16 sends and control display panels 32 for should straight formula image demonstration operating mode according to light sensor 14.

In the second embodiment of the present invention, light blocks first limit 44 of body 50 and the angle on second limit 46 is 90 degree, certainly, and the also visual actual needs of this angle and do the modification of appropriateness.See also Fig. 5, light blocks device also can optionally do change on the various forms, for example the exhausted body 50 of the photoresistance among second embodiment can be with substituting as the exhausted body 90 of the photoresistance among Fig. 5, the exhausted body 90 of photoresistance more comprises a body of rod 92 and a base 94, with a rotation axis 96 common actions, constitute imaginary virtual first limit 98 and virtual second limit 100, utilize and be similar to the principle described in second embodiment, also can reach as the effect among second embodiment; In addition, base 94 can be made the change on the external form according to need, and more can offer more than one hole as required on base 94, makes base 94 form the structure of a similar grating, light can be penetrated when this electronic package is in some special angle, and when other angle, blocked.

See also Fig. 6 and Fig. 7, Fig. 6 is the skeleton view of an electronic installation 60 in the third embodiment of the present invention, and similarly, electronic installation 60 also has puts the angle sensing function, and Fig. 7 is electronic installation 60 shown among Fig. 6 sectional view along a tangent line LL '.Electronic installation 60 comprises CD-ROM drive 12, a light sensor 64, a light source 66, a housing 68, a light and blocks device 70 and control circuit 72.Light blocks device 70 and comprises and one be fixed in rotation axis 78 on the housing 68, and one be fixed in rotation axis 48 and can block body 80 around the light of rotation axis 78 rotations along with the rotation of CD-ROM drive 12.The angle that light blocks 76 on first limit 74 of body 80 and second limit is 60 degree.

The function mode of electronic installation 60 is similar to the function mode of electronic installation 10.The operation of electronic installation 60 outlines as follows: when 12 horizontal positioned of the CD-ROM drive in the electronic installation 60, as shown in Figure 6, the light light that blocks device 70 block body 80 be positioned at one can block that light sensor 64 senses light that light source 66 sent block position P ₂In this simultaneously, light sensor 64 can not sense any light that light source 16 is sent, the operating mode of controlling CD-ROM drive 12 and control circuit 72 does not sense any light that light source 66 sends according to light sensor 64 is an activation operating mode, to read the data of this discs constantly; When the CD-ROM drive in the electronic installation 60 12 tilted gradually, the light that light blocks device 70 blocks body 80 can be along with the inclination of CD-ROM drive 12 around rotation axis 78 rotations, and moved apart gradually and block position P ₂When the angle of inclination of CD-ROM drive 12 reaches 30 when spending, light blocks first limit 74 of body 80 or second limit 76 (looking CD-ROM drive 12 rotates counterclockwise or clockwise rotate) and can be positioned at just and block position P ₂, in this simultaneously, light sensor 64 also can never sense any light that light source 66 sent just and be transformed into to have and sense the light that light source 66 is sent; At last, CD-ROM drive in electronic installation 60 12 continues to tilt, and light blocks body 80 and can move apart and block position P ₂In this simultaneously, light sensor 64 can sense the light that light source 66 is sent, and control circuit 72 just according to light sensor 64 operating mode that senses the light control CD-ROM drive 12 that light source 66 sent to be arranged be to close operating mode, for example CD-ROM drive 12 can sound signal or light signal as caution, stop to read the data of this discs or simply close CD-ROM drive 12.

In addition, a kind of method of putting the angle Selection operator scheme in electronic installation according to it is more proposed among the present invention, the intensity of the light that it is launched towards this light sensor according to sensing one light source institute of light sensor institute chooses one as the operating mode of an electronic package in a plurality of operating modes.This method utilizes a light to block device, when this electronic package tilts, block this light according to the angle of inclination of this electronic package, this light blocks device because of action of gravity, when these electronic package inclination different angles, can cause light-shielding in various degree to block effect, wherein this electronic installation more comprises a housing, this light blocks device and is fixed on this housing in rotating mode, in an embodiment, when the storing angle of this electronic package was positioned at this preset range, this light blocked device and turns to one and can block the position that this light sensor senses this light.For example, when this electronic package is a CD-ROM drive, can selects the activation operating mode or close operating mode according to the light intensity of this light sensor institute sensing; When this electronic package be always/during horizontal dual-purpose display panels (LCD), can select straight formula image to show operating mode or the horizontal type image shows operating mode according to the light intensity of this light sensor institute sensing.

Compared to prior art, electronic installation of the present invention has the angle of storing sensing function, and it comprises an electronic package, a control circuit, a light source, a light sensor and a light and blocks device.This control circuit can change the function mode of this electronic package in this light sensor because of this light blocks blocking of device when not sensing any light that this light source sends, and is impaired to protect this electronic package to avoid.In addition, this control circuit also can be further according to the intensity of this light sensor institute this light of sensing, control this electronic package and in a plurality of operating modes, select an execution, with the CD-ROM drive is example, this light blocks device because of action of gravity, when these electronic package inclination different angles, may cause covering and block effect in various degree, then this control circuit can be according to the intensity of this light sensor institute this light of sensing, learn the angle of inclination of this CD-ROM drive at present, and then select different CD-ROM drive self-poise patterns or the aforesaid operating mode of closing.

See also Fig. 8, Fig. 8 is a calcspar, in order to illustrate according to one of control circuit of the present invention embodiment, for the purpose of simplified illustration, this sentences CD-ROM drive is example, and saved partial circuit among the figure, yet the part of saving is all prior art person to be known: be responsible for handling most control and computing work by a microcontroller 802 in the CD-ROM drive, and link up with main frame 804, with reception or move instruction and data, generally speaking, this microcontroller 802 is carried out the program code that is stored in a flash memory 806, and with a DRAM (Dynamic Random Access Memory) 808 interactions to finish the various computings of design in advance.In addition, one radio-frequency (RF) signal amplifier 810 sends this microcontroller 802 to after disc laser light reflected signal is amplified, carry out servocontrol and data decoding for microcontroller 802, and this microcontroller 802 gives actuator and motor 812 in the CD-ROM drive according to operation result output servocontrol signal again.These actions all can be known by the prior art user for the action in the general CD-ROM drive.

Comprised a light sensor 822 among Fig. 8 in addition, one reference voltage 824 and a comparer 820, among the figure and omitted light source and light blocks device, when this light sensor blocks blocking of device because of light, and make the light intensity that senses change to some extent, can utilize this comparer 820 and this reference voltage 824 this moment, for example when light sensor 822 output voltages during less than this reference voltage 824, then this comparer is exported a logic signal and is given this microcontroller 802, this microcontroller 802 just can be judged the function mode that whether changes this CD-ROM drive, for example selects different CD-ROM drive self-poise patterns or the operating mode of closing as discussed previously.

Please consult Fig. 9 again, Fig. 9 is an also calcspar, in order to explanation another embodiment according to control circuit of the present invention.Compare with Fig. 8, the output of this light sensor 822 offers a digital analog converter 830, this digital analog converter 830 sends this microcontroller 802 to after the output of this light sensor 822 is converted to numerical data, this microcontroller 802 just can be judged the function mode that whether changes this CD-ROM drive, for example by the intensity difference of 822 light sensings of this light sensor, just the angle of inclination of this CD-ROM drive at present be can extrapolate, and then different CD-ROM drive self-poise patterns or the operating mode of closing as discussed previously selected.

The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.

Claims

1. An electronic device with a placement angle sensing function, characterized in that it comprises:

an electronic component;

a light sensor for sensing light;

a light source for emitting a light toward the direction of the light sensor; and

a light blocker, used to block the light emitted by the light source toward the light sensor when the electronic component is tilted to an angle within a predetermined range; and

A control circuit is electrically connected to the light sensor, and controls the electronic component to select one of a plurality of operation modes according to the intensity of the light sensed by the light sensor.

2. The electronic device as claimed in claim 1, wherein the electronic component is an optical drive.

3. The electronic device according to claim 2, further comprising a casing, the light blocker is fixed on the casing in a rotational manner, when the placement angle of the optical drive is within the predetermined range, The light blocker rotates to a position where the light sensor can block the light from the light source.

4. The electronic device as claimed in claim 2, wherein the plurality of operation modes include:

enabling mode of operation; and

Turn off the operating mode.

5. The electronic device as claimed in claim 3, wherein the enabled operation mode is to continuously read the data of the optical disc; and the disabled operation mode is for the optical drive to emit a sound signal or a light signal as a warning, Stop reading data from the CD, or turn off the CD drive.

6. The electronic device according to claim 1, wherein the electronic component is a vertical/horizontal liquid crystal display panel.

7. The electronic device according to claim 6, further comprising a casing, the light blocker is rotatably fixed on the casing, and when the placement angle of the optical drive is within the predetermined range, , the light blocker is rotated to a position where the light sensor is blocked from sensing the light emitted by the light source.

8. The electronic device as claimed in claim 6, wherein the plurality of operation modes include:

a vertical image display operation mode; and a horizontal image display operation mode.

9. A method for selecting an operation mode in an electronic device according to its placement angle, characterized in that, according to the intensity of a light emitted by a light source sensed by a light sensor toward the light sensor, a plurality of operation modes are selected A mode of operation as an electronic component, the steps of which include:

A light blocker is used to block the light according to the tilt angle of the electronic component when the electronic component is tilted.

10. The method for selecting an operation mode in an electronic device according to its placement angle as claimed in claim 9, wherein the electronic component is an optical drive, and wherein the plurality of operation modes include:

enabling the mode of operation; and disabling the mode of operation.

11. The method for selecting an operation mode in an electronic device according to its placement angle as claimed in claim 10, wherein the operation mode is enabled to continuously read the data of the optical disc; and the operation mode is disabled to emit sound for the optical drive signal or light signal as a warning, stop reading the data of the CD, or close the CD drive.

12. The method for selecting an operation mode in an electronic device according to its placement angle as claimed in claim 9, wherein the electronic component is a vertical/horizontal liquid crystal display panel (LCD), and there are a plurality of operation modes Include:

13. The method for selecting an operation mode in an electronic device according to its placement angle as claimed in claim 9, wherein the electronic device further comprises a housing, and the light blocker is rotatably fixed to the housing , and when the placement angle of the electronic component is within the predetermined range, the light blocker rotates to a position where the light sensor is blocked from sensing the light.