CN108377596A - Keyboard lamp control device, method and the computer with the device - Google Patents
Keyboard lamp control device, method and the computer with the device Download PDFInfo
- Publication number
- CN108377596A CN108377596A CN201810258224.0A CN201810258224A CN108377596A CN 108377596 A CN108377596 A CN 108377596A CN 201810258224 A CN201810258224 A CN 201810258224A CN 108377596 A CN108377596 A CN 108377596A
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- Prior art keywords
- keyboard
- control device
- hand
- lamp control
- lamp
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0227—Cooperation and interconnection of the input arrangement with other functional units of a computer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention discloses a kind of keyboard lamp control devices, including：The optical sensor of ambient brightness for detecting surface of keyboard whether there is the sensing device of hand and for the control device of control keyboard lamp for detecting the predeterminated position above keyboard, optical sensor, sensing device are connect with control device, and testing result is sent to control device；When ambient brightness is less than or equal to predetermined threshold value and hand is located above keyboard, control device control keyboard lamp is bright；When ambient brightness above predetermined threshold value or keyboard higher than hand is not detected, control device control keyboard lamp closes.The present invention is provided with the sensing device for whether having hand on the sensor and induction keyboard of induced environment brightness, testing result is sent to control device by the two, control device is controlled according to the testing result of the two so that keyboard light is accurately controlled, and avoids waste electric energy.Disclosed herein as well is a kind of keyboard lamp control method and include the computer of above-mentioned keyboard lamp control device.
Description
Technical field
The present invention relates to field of computer technology, more specifically to a kind of keyboard light control device and method.This
Outside, the invention further relates to a kind of computers including above-mentioned keyboard lamp control device.
Background technology
When we use notebook computer terminal, when and need to see screen, when and need to see that keyboard finds key position,
In the case where light is inadequate, need to open keyboard light, existing keyboard light is needed by by key control light on and off, in dark
When, it is also highly difficult to find keyboard light on ＆ off switch.Also, after we open keyboard light, it is easy to forget closing keyboard
Lamp can cause the waste of electricity.Have in the prior art it is a kind of detect keyboard on whether have human hands by way of judge key
Whether disk is in use state, the mode to be controlled keyboard light, however whether there are still for currently needing to make
With the unsharp problem of the condition adjudgement of keyboard light.
In conclusion how to provide it is a kind of easy to use and save electricity keyboard, be current those skilled in the art urgently
Problem to be solved.
Invention content
In view of this, the object of the present invention is to provide a kind of keyboard lamp control device, can realize when light is inadequate certainly
Whether dynamic identification user needs to use keyboard light, achieve the purpose that automatically control with it is energy saving.
It is a further object of the present invention to provide a kind of computers including above-mentioned keyboard lamp control device.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of keyboard lamp control device, including：
The optical sensor of ambient brightness for detecting surface of keyboard, for detecting whether the predeterminated position above keyboard is deposited
Sensing device in hand and the control device for control keyboard lamp, the optical sensor, the sensing device with it is described
Control device connects, and testing result is sent to the control device；
When the ambient brightness is less than or equal to predetermined threshold value and hand is located at predeterminated position above the keyboard, institute
It is bright to state the control device control keyboard light；When hand is not detected higher than predetermined threshold value or keyboard top in the ambient brightness
When portion, the control device controls the keyboard light and closes.
Preferably, the sensing device is the SAR sensors for detecting position of human body.
Preferably, the sensing device is set to the middle part of keyboard back side.
Preferably, the sensing device is set to the back side of F keys or J keys on the keyboard.
Preferably, the detection range of the sensing device is keyboard top, the space model away from keyboard plan 5mm to 20mm
It encloses.
Preferably, the shell of the keyboard is equipped with translucent construction, and the optical sensor is set to the side of the keyboard
And positioned at the position of the translucent construction.
A kind of computer, including keyboard lamp control device, the keyboard lamp control device are key described in any one of the above embodiments
Disk lamp control device.
A kind of keyboard lamp control method, including：
The ambient brightness of surface of keyboard is detected, the predeterminated position above keyboard is detected and whether there is hand；When the ring
When border brightness is located at keyboard top predeterminated position less than or equal to predetermined threshold value and hand, control keyboard lamp is bright；When described
When hand is not detected higher than predeterminated position above predetermined threshold value or the keyboard in ambient brightness, control keyboard lamp closes.
Preferably, including：
The ambient brightness of S11, the detection surface of keyboard, if the ambient brightness is less than or equal to the predetermined threshold value,
Then enter S12；If the ambient brightness is higher than the predetermined threshold value, closing keyboard lamp；
The predeterminated position of S12, detection above keyboard whether there is hand, and if it exists, then open keyboard light；If not depositing
In then closing keyboard lamp backed off after random.
Preferably, further include returning to S11 after the unlatching keyboard light, further include returning to S11 after the closing keyboard lamp.
Keyboard lamp control device provided by the invention be provided on the sensor and induction keyboard of induced environment brightness whether
There are the sensing device of hand, the two to be connect with control device, and testing result is sent to control device, control device is according to two
The testing result of person controls.If keypadding environment brightness is low and hand is located on keyboard, it is judged as that keyboard uses process, it can
To open keyboard light, and when above-mentioned two condition being needed to be satisfied by, control device control keyboard lamp is bright, so that electric energy obtains
Preferable control avoids waste electric energy.It is corresponding, when detecting that the two is unsatisfactory for there are one condition, then closes or dim
Keyboard light, to realize the Energy Saving Control of keyboard light.
Present invention also provides a kind of keyboard lamp control method and include the computer of above-mentioned keyboard lamp control device.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of keyboard lamp control device provided by the present invention.
In Fig. 1：
1 it is keyboard body, 2 be sensing device, 3 is optical sensor.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of keyboard lamp control device and method, can realize and know automatically when light is inadequate
Whether other user needs to use keyboard light, achieve the purpose that automatically control with it is energy saving.Another core of the present invention is to carry
For a kind of computer including above-mentioned keyboard lamp control device.
Referring to FIG. 1, Fig. 1 is the schematic diagram of keyboard lamp control device provided by the present invention.
A kind of keyboard lamp control device provided by the present invention includes mainly optical sensor 3, sensing device and control dress
It sets, wherein optical sensor 3 is used to detect the ambient brightness of surface of keyboard, and sensing device 2 is used to detect the default position above keyboard
The hand with the presence or absence of human body is set, control device is connect with keyboard light, is used for the open and close of control keyboard lamp, and keyboard light is set
It is placed in the back or side of keyboard, above-mentioned optical sensor 3, sensing device 2 are connect with control device, for sending out testing result
Control device is given, the logic judgment controlled keyboard light for control device.
Specifically, when ambient brightness is less than or equal to predetermined threshold value and hand is located above keyboard, control device control
Keyboard light is bright；When ambient brightness above predetermined threshold value or keyboard higher than hand is not detected, control device control keyboard lamp closes.
It should be noted that above-mentioned ambient brightness is the brightness at surface of keyboard, i.e., keyboard when user checks keyboard
Brightness, predetermined threshold value can be pre-set, when optical sensor detection ambient brightness be less than predetermined threshold value when, to control device
Send the signal for needing to open keyboard light.Wherein predetermined threshold value can be that the luminance threshold of the high-visible keyboard of human eye certainly should
The brightness of predetermined threshold value can also be higher than the brightness that human eye is clearly apparent keyboard, and the brightness of the predetermined threshold value is higher, indicate keyboard
Lamp will likely just be lighted when light is slightly dark.
Keyboard lamp control device provided by the invention be provided on the sensor and induction keyboard of induced environment brightness whether
There are the sensing device of hand, the two to be connect with control device, and testing result is sent to control device, control device is according to two
The testing result of person controls.If keypadding environment brightness is low and hand is located on keyboard, it is judged as that keyboard uses process, it can
To open keyboard light, and when above-mentioned two condition being needed to be satisfied by, control device control keyboard lamp is bright, so that electric energy obtains
Preferable control avoids waste electric energy.It is corresponding, when detect the two there are one be unsatisfactory for when, then close or dim keyboard
Lamp, to realize the Energy Saving Control of keyboard light.
Position of the sensing device 2 for the human hands above induction keyboard, therefore the speed of its induction and accuracy are
Highly important feature, on the basis of above-described embodiment, sensing device 2 can select the SAR for detecting position of human body
Sensor.
SAR (Specific Absorption Rate, special contribution ratios) is radio frequency radiation S. E. A.
Measurement.Human body belongs to semiconductor, and when the mankind and metal approach, the capacitance field value which senses has change
Change.Whether the chip of the sensor is exactly that the variation for the capacitance field for detecting metal approaches to detect human body.
SAR sensors are the novel sensors for being applied to antenna power control in recent years, can detect that human body is close, from
And it reduces antenna power and reaches the ratio for reducing absorption of human body electromagnetic wave.The close distance of human body that SAR test requests detect,
Sensitivity is generally adjusted to the distance of 5mm~20mm.
By selecting SAR sensors that can promote accurate detection close to human hands and separate, needle in the present embodiment
Situations such as human body is detected, error detection is avoided the occurrence of, to keep the switch of keyboard light more accurate.
On the basis of any one above-mentioned embodiment, sensing device 2 is set to the middle part of keyboard back side.
It should be noted that sensing device 2 can be arranged in keyboard front, can also be arranged at the keyboard back side, it is contemplated that
The positive space of keyboard is limited, and to avoid interference from tapping the operation of keyboard, the setting of sensing device 2 can overleaf be allowed using more
It is convenient to add.In addition, sensing device can also be arranged in keyboard side, the positive superjacent air space of keyboard is detected.It will induction
It is since the action of operation keyboard is usually the usual action of touch system that device, which is arranged in the middle part of keyboard, and hand is predominantly located at keyboard
Medium position can accurately detect movement and the position of hand.Above-mentioned middle part refers to surface of keyboard close to intermediate position
It sets, it is not limited to the middle region of keyboard.
In view of the custom of daily percussion keyboard, hand is usually positioned on second row letter key by operator, and by index finger
It is positioned over the top of F keys and J keys, therefore, on the basis of above-described embodiment, sensing device 2 can be set to the F on keyboard
The back side of key or J keys.The position of F keys and J keys is relatively beneficial to sense the hand of operation keyboard, and body other positions will not be missed
It detects.
For the range setting of detection induction, need to meet the range that keyboard often uses operating position, it is specific real at one
It applies in example, the detection range of sensing device 2 is keyboard top, the spatial dimension away from keyboard plan 5mm to 20mm.This range master
It to influence to determine by the sensitivity of sensor, if the sensor of consideration other forms, above range will produce corresponding change.
On the basis of any one above-mentioned embodiment, the shell of keyboard is equipped with translucent construction, and optical sensor 3 is arranged
In the side of keyboard and positioned at the position of translucent construction.
It should be noted that referring to FIG. 1, optical sensor is arranged the back side in the shell of keyboard 1, and positioned at keyboard 1
Side is provided with translucent construction on the shell of keyboard 1, so as to which the light projection of 1 outside of keyboard is come in, so as to optical sensor
3 pairs of ambient brightness inductively measure.
Optionally, above-mentioned optical sensor 3 can be arranged in other positions, such as be arranged on surface of keyboard etc..
On the basis of above-mentioned any embodiment, can SAR sensors be set by control device and optical sensor 3 is felt
The sequence answered, in threshold value visible less than human eye, sends to control device and believes for example, optical sensor 3 detects ambient brightness
Number, open first of switch；When first of switch is opened, SAR sensors are started to work, and are examined by detecting human body electromagnetic wave
It surveys whether hand has approached keyboard 1, when hand and keyboard distance are less than threshold value, opens second switch, control device receives
Information, and open keyboard light.Specifically, above-mentioned keyboard light can be keyboard LED backlight.
There are above-mentioned control device two input terminals of A and B, A input terminals to connect optical sensor 3, and B input terminals connect SAR and pass
Sensor.When ambient light is equal to or less than threshold value, A input terminals are high level (logic is " 1 "), when ambient light is higher than threshold value
When, A input terminals are low level (logical zero)；When human hand and keyboard distance are less than threshold value, that is, it is in predeterminated position above keyboard
When, B input terminals are high level (logical one), when human hand is higher than threshold value with keyboard distance, that is, is not in above keyboard and presets position
When setting, B input terminals are low level (logical zero).Output end logic is Y=AB, when the output of output end Y is high level (logic
" 1 ") when, keyboard backlight is opened；When the output of output end Y is low level (logical zero), keyboard backlight is closed.It is corresponding
Ground, when hand leaves keyboard, SAR sensors detect hand and are higher than threshold value with keyboard distance, and switch disconnects；Or optical sensor 3
Detect that ambient brightness is higher than threshold value, switch disconnects.
Keyboard lamp control device provided herein fully combined use person and use environment, realize keyboard backlight
Accurate automatic opening/closing control, by ambient light at a distance from hand and keyboard double control, it is same what is automatically controlled
When, take into account the accuracy of control；And while promoting user experience, control in time switchs to save energy.
Present invention also provides a kind of keyboard lamp control methods, include the following steps：
The ambient brightness of surface of keyboard is detected, the predeterminated position above keyboard is detected and whether there is hand；When environment is bright
When degree is located at keyboard top predeterminated position less than or equal to predetermined threshold value and hand, control keyboard lamp is bright；When ambient brightness is higher than
When hand is not detected in predeterminated position above predetermined threshold value or keyboard, control keyboard lamp closes.
The above method can be realized by above-mentioned keyboard lamp control device, while this method can pass through other structures or electricity
Subassembly realizes, this method is intended to illustrate a kind of control model for keyboard light, i.e., on ambient brightness and keyboard whether
There are two detections of hand can be by controlling hardware or software when two detections are satisfied by the condition for opening keyboard light
Realize the unlatching to keyboard light；If alternative one is unsatisfactory for opening the condition of keyboard light, it can be closed with control keyboard lamp.
Optionally, above-mentioned two detections can be carried out at the same time, or the sequencing with detection, in above-described embodiment
On basis, which specifically includes following steps：
Step S11, the ambient brightness of surface of keyboard is detected, if ambient brightness is less than or equal to predetermined threshold value, enters step
Rapid S12；If ambient brightness is higher than predetermined threshold value, closing keyboard lamp backed off after random；
Step S12, predeterminated position of the detection above keyboard whether there is hand, and if it exists, then open keyboard light；If no
In the presence of then closing keyboard lamp.
It should be noted that above-mentioned predeterminated position is preset spatial dimension, which is usually arranged as hand behaviour
Make the range of keyboard, while can also be influenced and adjust by the sensitivity and measurement range of sensing device.
The present embodiment uses and first detects ambient brightness, and determining whether to detection keyboard top by testing result, there are hands
Portion, to a certain extent, it is possible to reduce whether there is the required number of hand above detection keyboard, simplify detecting step.When
So, the boot sequence of the two can also be exchanged.Optionally, above-mentioned two detection can also be carried out at the same time.
On the basis of above-described embodiment, further include return to step S11 after unlatching keyboard light, also wrapped after closing keyboard lamp
Include return to step S11.It should be noted that return to step S11, can make the above method realize cycle, main purpose is the moment
The ambient brightness and use state of keyboard are detected, can state control timely be carried out to keyboard light and changed, key is avoided to realize
The purpose of the energy waste of disk lamp.
The main purpose of the present embodiment is the saving to the energy and utilization, certainly, to avoid opening repeatedly to keyboard light
It closes, delay preset time can be set, to avoid the excessively frequent phenomenon detected and controlled, preset time before return to step S11
It can be adjusted according to actual conditions.
Include above-mentioned reality the present invention also provides one kind in addition to the keyboard lamp control device provided in above-mentioned each embodiment
The computer of keyboard lamp control device disclosed in example is applied, scenario-frame provided herein is simple, passes through computer notebook
Built-in SAR sensor and installation light sensor can realize the unlatching of backlight jointly.Other each portions of the computer
Refer to the prior art for the structure divided, and repeats no more herein.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The computer to keyboard lamp control device provided by the present invention and with the device is described in detail above.
Principle and implementation of the present invention are described for specific case used herein, and the explanation of above example is only used
In facilitating the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention, these improvement and modification
It falls into the protection domain of the claims in the present invention.
Claims (10)
1. a kind of keyboard lamp control device, which is characterized in that including：
The optical sensor (3) of ambient brightness for detecting surface of keyboard, for detecting whether the predeterminated position above keyboard is deposited
In the sensing device (2) of hand and for the control device of control keyboard lamp, the optical sensor (3), the sensing device (2)
It is connect with the control device, testing result is sent to the control device；
When the ambient brightness is less than or equal to predetermined threshold value and hand is located at predeterminated position above the keyboard, the control
It is bright that device processed controls the keyboard light；When hand is not detected higher than predetermined threshold value or keyboard top in the ambient brightness
When, the control device controls the keyboard light and closes.
2. keyboard lamp control device according to claim 1, which is characterized in that the sensing device (2) is for detecting
The SAR sensors of position of human body.
3. keyboard lamp control device according to claim 1, which is characterized in that the sensing device (2) is set to keyboard
The middle part of back side.
4. keyboard lamp control device according to claim 3, which is characterized in that the sensing device (2) is set to described
The back side of F keys or J keys on keyboard.
5. keyboard lamp control device according to claim 1, which is characterized in that the detection range of the sensing device (2)
For keyboard top, the spatial dimension away from keyboard plan 5mm to 20mm.
6. keyboard lamp control device according to any one of claims 1 to 5, which is characterized in that on the shell of the keyboard
Equipped with translucent construction, the optical sensor (3) is set to the side of the keyboard and the position positioned at the translucent construction.
7. a kind of computer, including keyboard lamp control device, which is characterized in that the keyboard lamp control device is claim 1
To 6 any one of them keyboard lamp control devices.
8. a kind of keyboard lamp control method, which is characterized in that including：
The ambient brightness of surface of keyboard is detected, the predeterminated position above keyboard is detected and whether there is hand；When the environment is bright
When degree is located at keyboard top predeterminated position less than or equal to predetermined threshold value and hand, control keyboard lamp is bright；When the environment
When hand is not detected higher than predeterminated position above predetermined threshold value or the keyboard in brightness, control keyboard lamp closes.
9. keyboard lamp control method according to claim 8, which is characterized in that including：
The ambient brightness of S11, the detection surface of keyboard, if the ambient brightness is less than or equal to the predetermined threshold value, into
Enter S12；If the ambient brightness is higher than the predetermined threshold value, closing keyboard lamp backed off after random；
The predeterminated position of S12, detection above keyboard whether there is hand, and if it exists, then open keyboard light；If being not present,
Closing keyboard lamp.
10. keyboard lamp control method according to claim 9, which is characterized in that further include returning after the unlatching keyboard light
S11 is returned, further includes returning to S11 after the closing keyboard lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258224.0A CN108377596A (en) | 2018-03-27 | 2018-03-27 | Keyboard lamp control device, method and the computer with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810258224.0A CN108377596A (en) | 2018-03-27 | 2018-03-27 | Keyboard lamp control device, method and the computer with the device |
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| Publication Number | Publication Date |
|---|---|
| CN108377596A true CN108377596A (en) | 2018-08-07 |
Family
ID=63019310
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810258224.0A Pending CN108377596A (en) | 2018-03-27 | 2018-03-27 | Keyboard lamp control device, method and the computer with the device |
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| CN (1) | CN108377596A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872423A (en) * | 2019-01-17 | 2019-06-11 | 深圳旦倍科技有限公司 | A kind of intelligent door lock system |
| EP4254148A1 (en) * | 2022-03-29 | 2023-10-04 | Société Civile "GALILEO 2011" | Altering a state of a light on a peripheral device |
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| CN105117029A (en) * | 2015-08-19 | 2015-12-02 | 苏州市新瑞奇节电科技有限公司 | Keyboard control method based on ultraviolet and LEDs (Light Emitting Diode) |
| CN205942613U (en) * | 2016-06-08 | 2017-02-08 | 曹文胜 | Shadow throws keyboard |
| CN108391351A (en) * | 2018-03-02 | 2018-08-10 | 联想(北京)有限公司 | A kind of brightness adjusting method of keyboard light, device and electronic equipment |
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|---|---|---|---|---|
| CN201063600Y (en) * | 2007-06-04 | 2008-05-21 | 达方电子股份有限公司 | Keyboard frame with induction type light source |
| CN103634968A (en) * | 2012-08-23 | 2014-03-12 | 联想(北京)有限公司 | Backlight control method and apparatus |
| CN105117029A (en) * | 2015-08-19 | 2015-12-02 | 苏州市新瑞奇节电科技有限公司 | Keyboard control method based on ultraviolet and LEDs (Light Emitting Diode) |
| CN205942613U (en) * | 2016-06-08 | 2017-02-08 | 曹文胜 | Shadow throws keyboard |
| CN108391351A (en) * | 2018-03-02 | 2018-08-10 | 联想(北京)有限公司 | A kind of brightness adjusting method of keyboard light, device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872423A (en) * | 2019-01-17 | 2019-06-11 | 深圳旦倍科技有限公司 | A kind of intelligent door lock system |
| EP4254148A1 (en) * | 2022-03-29 | 2023-10-04 | Société Civile "GALILEO 2011" | Altering a state of a light on a peripheral device |
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Application publication date: 20180807 |