CN203965814U - Blind person's wrist-watch - Google Patents
Blind person's wrist-watch Download PDFInfo
- Publication number
- CN203965814U CN203965814U CN201420273244.2U CN201420273244U CN203965814U CN 203965814 U CN203965814 U CN 203965814U CN 201420273244 U CN201420273244 U CN 201420273244U CN 203965814 U CN203965814 U CN 203965814U
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- button
- watch
- electric capacity
- wrist
- resistance
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- Expired - Lifetime
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000010453 quartz Substances 0.000 claims abstract description 23
- 239000011521 glass Substances 0.000 claims abstract description 13
- 230000007717 exclusion Effects 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 210000000707 wrist Anatomy 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000001034 Frostbite Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Electric Clocks (AREA)
Abstract
The utility model provides a kind of blind person's wrist-watch, it includes watch shell, quartz cassette, dial plate, pointer and waterproof glass lid, this wrist-watch also comprises a sound circuit, this sound circuit and this quartz cassette are electrically connected to, this sound circuit comprise the button that gives the correct time, one " time " button, " a dividing " button, a switching key and a process chip, this button that gives the correct time, should " time " button, should be electrically connected to this process chip by exclusion with this switching key by " divide " button.This blind person is the function with speech chronopher and touch with wrist-watch, and in the occasion that the crowd is dense, blind person can raise waterproof glass lid, by the mode touching, knows the time; When blind person stays alone, can directly press this button that gives the correct time and obtain speech chronopher, therefore have advantages of easy to use.
Description
Technical field
The utility model relates to wrist-watch, particularly a kind of blind person's wrist-watch.
Background technology
Along with social progress, blind person, as Yi Ge disadvantaged group, should obtain our care and protection, and the pattern of the wrist-watch that people generally use is various, but is not suitable for blind person or the people that has defective vision wears.And the wrist-watch majority that in prior art, on market, blind person uses be take simple speech chronopher as main.When voice are quoted constantly, can send loud sound, disturb people around, therefore, the general not very willing use of blind person.
In order to facilitate blind person, know the time, and can not have influence on people around, Granted publication number discloses a kind of blind person's wrist-watch for the utility model patent of CN202904235U, incorporated by reference to Fig. 1, understood, this blind person comprises pointer 11, the first touch point 12, waterproof glass lid 13, stainless steel catapult watchband 14, the second touch point 121 and the 3rd touch point 122 with wrist-watch 1.
Movement by physical construction provides strong power, when guaranteeing that user touches pointer with hand, can avoid the promotion of quartz cassette when touching, and can not cause the time to be departed from, accurate while guaranteeing row; Wherein watchcase is waterproof glass lid 13, can very well protect table; Its pointer 11 is to replace traditional copper indicator with draw point, easy influence time accuracy not when touching, and protection hour hands are not easy to be out of shape; Stainless steel catapult watchband 14 can allow user easily wear.
Therefore, Granted publication number is that the blind person of CN202904235U can not have influence on people around with wrist-watch, facilitates again blind person to know the time, and is extensively sold.
Yet numerous blind persons propose again " in the individual space of staying alone, knowing the time by the mode touching, comparatively trouble ", especially touch the insensitive blind person of sense, propose to touch difficulty, and touch the lower technical matters of precision.
Utility model content
The technical problems to be solved in the utility model is with wrist-watch, only can pass through the defect of the mode detecting period of touch in order to overcome the blind person of prior art, and a kind of blind person's wrist-watch is provided, and this blind person is the function with speech chronopher and touch with wrist-watch.
The utility model is to solve above-mentioned technical matters by following technical proposals:
A kind of blind person's wrist-watch, it includes watch shell, quartz cassette, dial plate, pointer and waterproof glass lid, this quartz cassette is arranged in this watch shell, and sealed by this dial plate, those pointers are arranged on this dial plate and by this quartz cassette and drive, this waterproof glass lid is articulated on this watch shell, 12 positions of this dial plate are provided with has three the first protruding touch points, 3 positions of this dial plate, 6 positions and 9 positions are provided with has two the second protruding touch points, its feature is, this wrist-watch also comprises a sound circuit, this sound circuit and this quartz cassette are electrically connected to, this sound circuit comprises the button that gives the correct time, one " time " button, " a dividing " button, a switching key and a process chip, this button that gives the correct time, should " time " button, should be electrically connected to this process chip by exclusion with this switching key by " dividing " button,
When this button that gives the correct time is pressed, that this sound circuit is reported is successively current " time " and " dividing ";
This " time " button is when press, that this sound circuit is only reported is current " time ";
When this " divides " button to press, this sound circuit is only reported current " dividing ";
This " time " button and this switching key be when press simultaneously, this sound circuit drive this quartz cassette set " time ";
When this " divides " button and this switching key to press simultaneously, this sound circuit drives this quartz cassette to set " dividing ".
Preferably, this sound circuit also comprises an audio frequency output module, this audio frequency output module is electrically connected to the audio frequency output pin of this process chip, this audio frequency output module comprises the 3rd resistance, the 4th resistance, the 5th resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, a note amplifier and a buzzing sheet, the 4th resistance is variable resistor, this note amplifier is LM386 chip
The in-phase input end of this note amplifier and inverting input are electrically connected to the moving plate of the 4th resistance and a stator of the 4th resistance respectively;
The 5th electric capacity is connected across between this audio frequency output pin and another stator of the 4th resistance;
The 3rd resistance and the 4th electric capacity are all connected across between this audio frequency output pin and earth terminal;
The 6th one end of electric capacity and the output terminal of this note amplifier are electrically connected to, and the 5th resistance is connected across between the other end and earth terminal of the 6th electric capacity;
The 7th one end of electric capacity and the output terminal of this note amplifier are electrically connected to, and the two ends of this buzzing sheet are electrically connected to the other end and the earth terminal of the 7th electric capacity respectively, and the 8th electric capacity is connected across between the gain end and earth terminal of this note amplifier.
Preferably, this sound circuit also comprises a reseting module and an oscillation module, and this process chip is STC89C52RC-PLCC chip or STM32 chip,
This reseting module comprises the first resistance, the second resistance, the 3rd electric capacity and the 5th button, and the 3rd electric capacity is connected across between the reset pin and power end of this process chip; This first resistance is connected across between power end and the 5th button, and the other end of the 5th button is electrically connected to this reset pin, and this second resistance is connected across between this reset pin and earth terminal;
This oscillation module comprises the first electric capacity, the second electric capacity and a crystal oscillator, this crystal oscillator is connected across between first input end of clock and second clock input end of this process chip, this first electric capacity is connected across between this first input end of clock and earth terminal, and this second electric capacity is connected across between this second clock input end and earth terminal.
Preferably, this blind person also comprises the catapult watchband of a stainless steel with wrist-watch, and the surface for contacting with wrist of this catapult watchband is disposed with the first layer of silica gel and cashmere-planted layer, and this first layer of silica gel and this catapult watchband are one-body molded.
Preferably, two opposite sides of this watch shell are provided with and can plug pivot, and this catapult watchband is articulated in this and can plugs on pivot.
Preferably, the surface for contacting with wrist of this watch shell is provided with the second layer of silica gel, and this second layer of silica gel is gone into battle and shown a plurality of arc convex, along with the increase with this dial plate centre distance, those arc convex reduce gradually, and those protruding height are 0.3 millimeter to 1.5 millimeters.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is: this blind person is the function with speech chronopher and touch with wrist-watch, and in the occasion that the crowd is dense, blind person can raise waterproof glass lid, by the mode touching, knows the time; When blind person stays alone, can directly press this button that gives the correct time and obtain speech chronopher, therefore have advantages of easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation that existing blind person uses wrist-watch.
Fig. 2 is the structural representation that the blind person of the utility model preferred embodiment uses wrist-watch.
Fig. 3 is the electrical block diagram that the blind person of Fig. 2 uses wrist-watch.
Fig. 4 is the cut-open view that the blind person of Fig. 2 uses the catapult watchband of wrist-watch.
Fig. 5 is the rear view that the blind person of Fig. 2 uses the watch shell of wrist-watch.
Existing blind person's wrist-watch: 1
Pointer: 11 first touch points: 12
Waterproof glass lid: 13 stainless steel catapult watchbands: 14
The second touch point: 121 the 3rd touch points: 122
Blind person's wrist-watch of the present embodiment: 2
Watch shell: 21 dial plates: 22
Pointer: 23 12 positions: 24
3 positions: 25 6 positions: 26
9 positions: 27 8 positions: 28
Catapult watchband: 29 arc convex: 210
" divide " button: 211 " time " button: 212
Button gives the correct time: 213 switching keys: 214
Embodiment
Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
The blind person of the present embodiment is as follows by the structure of wrist-watch:
Incorporated by reference to Fig. 2, understood, the present embodiment provides a kind of blind person to use wrist-watch 2, it includes watch shell 21, quartz cassette, dial plate 22, pointer 23 and waterproof glass lid, this quartz cassette is arranged in this watch shell 21, and by these dial plate 22 sealings, those pointers 23 are arranged on this dial plate 22 and by this quartz cassette and drive, this pointer is draw point or copper pin, this waterproof glass lid is articulated on this watch shell 21, 12 positions 24 of this dial plate are provided with has three the first protruding touch points, 3 positions 25 of this dial plate, 6 positions 26 and 9 positions 27 are provided with has two the second protruding touch points, other integral point position (1, 2, 4, 5, 7, 8, 10, 11 positions) be provided with and there is a 3rd protruding touch point, for example, 8 positions 28 only have a projection, the height 0.90mm that those are protruding.
This wrist-watch also comprises a sound circuit, this sound circuit and this quartz cassette are electrically connected to, this sound circuit comprises " a dividing " button 211, one " time " button 212, the button 213 that gives the correct time, a switching key 214 and a process chip, be somebody's turn to do " dividing " button 211, should " time " button 212, this button 213 that gives the correct time is electrically connected to this process chip by exclusion with this switching key 214, those skilled in the art can be by each button in any setting of programming Fig. 2 and the button K1 in Fig. 3, button K2, the corresponding relation of button K3 and button K4, for example, can make button K1 carry out time reporting function or handoff functionality by programming.
When this button 213 that gives the correct time is pressed, that this sound circuit is reported is successively current " time " and " dividing ";
This " time " button 212 is when press, that this sound circuit is only reported is current " time ";
When this " divides " button 211 to press, this sound circuit is only reported current " dividing ";
This " time " button 212 and this switching key 214 be when press simultaneously, this sound circuit drive this quartz cassette set " time ";
When this " divides " button 211 and this switching key 214 to press simultaneously, this sound circuit drives this quartz cassette to set " dividing ".
Incorporated by reference to Fig. 3, understood, this sound circuit also comprises an audio frequency output module, this audio frequency output module is electrically connected to the audio frequency output pin of this process chip, this audio frequency output module comprises the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, the 7th capacitor C 7, the 8th capacitor C 8, note amplifier and a buzzing sheet SPK, the 4th resistance R 4 is variable resistor, this note amplifier is LM386 chip
The in-phase input end of this LM386 chip and inverting input are electrically connected to the moving plate of the 4th resistance R 4 and a stator of the 4th resistance R 4 respectively;
The 5th capacitor C 5 is connected across between this audio frequency output pin AUD and another stator of the 4th resistance R 4;
The 3rd resistance R 3 and the 4th capacitor C 4 are all connected across between this audio frequency output pin AUD and earth terminal;
The output terminal of one end of the 6th capacitor C 6 and this LM386 chip is electrically connected to, and the 5th resistance R 5 is connected across between the other end and earth terminal of the 6th capacitor C 6;
The output terminal of one end of the 7th capacitor C 7 and this LM386 chip is electrically connected to, and the two ends of this buzzing sheet SPK are electrically connected to the other end and the earth terminal of the 7th capacitor C 7 respectively, and the 8th capacitor C 8 is connected across between the gain end and earth terminal of this LM386 chip.
The parameter values of each element in this sound circuit when table 1 has provided experiment test, during actual production, can adopt the element that integrated level is higher, performance is more excellent to substitute, and is not therefore defined as kind and the parameter of those elements.
The parameter values of each element in table 1 sound circuit
Please continue to be understood in conjunction with Fig. 3, this sound circuit also comprises a reseting module and an oscillation module, and this process chip is STC89C52RC-PLCC chip or STM32 chip,
This reseting module comprises the first resistance R 1, the second resistance R 2, the 3rd capacitor C 3 and the 5th button K5, and the 3rd capacitor C 3 is connected across between the reset pin RESET and power end Vcc of this process chip; This first resistance R 1 is connected across between power end Vcc and the 5th button K5, and the other end of the 5th button K5 is electrically connected to this reset pin RESET, and this second resistance R 2 is connected across between this reset pin RESET and earth terminal;
This oscillation module comprises the first capacitor C 1, the second capacitor C 2 and a crystal oscillator Y1, this crystal oscillator Y1 is connected across between the first input end of clock XTAL1 and second clock input end XTAL2 of this process chip, this first capacitor C 1 is connected across between this first input end of clock XTAL1 and earth terminal, and this second capacitor C 2 is connected across between this second clock input end XTAL2 and earth terminal.
Incorporated by reference to Fig. 4, understood; this blind person also comprises the catapult watchband 29 of a stainless steel with wrist-watch; the surface for contacting with wrist of this catapult watchband 29 is disposed with the first layer of silica gel 292 and cashmere-planted layer 293; this first layer of silica gel 292 is one-body molded with the stainless steel layer 291 of this catapult watchband 29; in view of blind person, to touch process calibration ordinary person meter reading required time long; cashmere-planted layer 293 can be incubated blind person's wrist skin, and in cold winter, protection blind person's skin is frost bitten not.
Two opposite sides of this watch shell are provided with and can plug pivot, and this catapult watchband 29 is articulated in this and can plugs on pivot, can plug pivot and can facilitate taking off of catapult watchband 29 and clean, to cashmere-planted layer 293 is cleaned or sterilization.
Incorporated by reference to Fig. 5, understood, the surface for contacting with wrist of this watch shell 21 is provided with the second layer of silica gel, this second layer of silica gel is gone into battle and is shown a plurality of arc convex 210, along with the increase with this dial plate centre distance, those arc convex 210 reduce gradually, and those protruding height are 0.3 millimeter to 1.5 millimeters.Arc convex 210 can press the skin at wrist place when wearing, and plays the effect of massage; When wrist-watch takes off, arc convex 210 touches training for the insensitive blind person of sense for touch, to promote, touches precision.
The blind person of the present embodiment is as follows by the principle of work of wrist-watch:
Please in conjunction with Fig. 2 and Fig. 3, be understood, this blind person has four buttons with wrist-watch simultaneously, and its function is as follows:
When this " divides " button 211 to press, this sound circuit is only reported current " dividing ";
This " time " button 212 is when press, that this sound circuit is only reported is current " time ";
When this button 213 that gives the correct time is pressed, that this sound circuit is reported is successively current " time " and " dividing ";
When this " divides " button 211 and this switching key 214 to press simultaneously, this sound circuit drives this quartz cassette to set " dividing ".
This " time " button 212 and this switching key 214 be when press simultaneously, this sound circuit drive this quartz cassette set " time ";
Under other pressed state, this blind person will not respond with wrist-watch; Certainly, those skilled in the art can pass through coding, and give other situation of pressing and give actual functional capability, for example, music, the functions such as timing.
By regulating the moving plate of the 4th resistance R 4, can regulate the size of buzzing sheet volume, therefore can also on this watch shell 21, make a volume knob, so that blind person regulates volume according to application places.
The blind person of the present embodiment has following technique effect with wrist-watch:
The function the first, with speech chronopher and touch, in the occasion that the crowd is dense, blind person can raise waterproof glass lid, by the mode touching, knows the time; When blind person stays alone, can directly press this button that gives the correct time and obtain speech chronopher, therefore have advantages of easy to usely, in addition, in the situation that knob is installed, this blind person can also regulate volume according to application places with wrist-watch, safeguards blind person's self-confidence.
The second, warm wrist skin and prevent frostbite, in view of blind person, to touch process calibration ordinary person meter reading required time long, and cashmere-planted layer 293 can be incubated blind person's wrist skin, and in cold winter, protection blind person's skin is frost bitten not.
Three, conveniently assemble and disassemble and sterilization, two opposite sides of this watch shell are provided with and can plug pivot, and this catapult watchband is articulated in this and can plugs on pivot, can plug pivot and can facilitate taking off of catapult watchband and clean, to cashmere-planted layer 293 is cleaned or sterilization.
Four, massage wrist skin and training touch precision, and arc convex 210 can press the skin at wrist place when wearing, and plays the effect of massage; When wrist-watch takes off, arc convex 210 touches training for the insensitive blind person of sense for touch, to promote, touches precision.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art is not deviating under the prerequisite of principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these changes and modification all fall into protection domain of the present utility model.
Claims (6)
1. blind person's wrist-watch, it includes watch shell, quartz cassette, dial plate, pointer and waterproof glass lid, this quartz cassette is arranged in this watch shell, and sealed by this dial plate, those pointers are arranged on this dial plate and by this quartz cassette and drive, this waterproof glass lid is articulated on this watch shell, 12 positions of this dial plate are provided with has three the first protruding touch points, 3 positions of this dial plate, 6 positions and 9 positions are provided with has two the second protruding touch points, it is characterized in that, this wrist-watch also comprises a sound circuit, this sound circuit and this quartz cassette are electrically connected to, this sound circuit comprises the button that gives the correct time, one " time " button, " a dividing " button, a switching key and a process chip, this button that gives the correct time, should " time " button, should be electrically connected to this process chip by exclusion with this switching key by " dividing " button,
When this button that gives the correct time is pressed, that this sound circuit is reported is successively current " time " and " dividing ";
This " time " button is when press, that this sound circuit is only reported is current " time ";
When this " divides " button to press, this sound circuit is only reported current " dividing ";
This " time " button and this switching key be when press simultaneously, this sound circuit drive this quartz cassette set " time ";
When this " divides " button and this switching key to press simultaneously, this sound circuit drives this quartz cassette to set " dividing ".
2. blind person's wrist-watch as claimed in claim 1, it is characterized in that, this sound circuit also comprises an audio frequency output module, this audio frequency output module is electrically connected to the audio frequency output pin of this process chip, this audio frequency output module comprises the 3rd resistance, the 4th resistance, the 5th resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, a note amplifier and a buzzing sheet, the 4th resistance is variable resistor, and this note amplifier is LM386 chip
The in-phase input end of this note amplifier and inverting input are electrically connected to the moving plate of the 4th resistance and a stator of the 4th resistance respectively;
The 5th electric capacity is connected across between this audio frequency output pin and another stator of the 4th resistance;
The 3rd resistance and the 4th electric capacity are all connected across between this audio frequency output pin and earth terminal;
The 6th one end of electric capacity and the output terminal of this note amplifier are electrically connected to, and the 5th resistance is connected across between the other end and earth terminal of the 6th electric capacity;
The 7th one end of electric capacity and the output terminal of this note amplifier are electrically connected to, and the two ends of this buzzing sheet are electrically connected to the other end and the earth terminal of the 7th electric capacity respectively, and the 8th electric capacity is connected across between the gain end and earth terminal of this note amplifier.
3. blind person's wrist-watch as claimed in claim 1, is characterized in that, this sound circuit also comprises a reseting module and an oscillation module, and this process chip is STC89C52RC-PLCC chip or STM32 chip,
This reseting module comprises the first resistance, the second resistance, the 3rd electric capacity and the 5th button, and the 3rd electric capacity is connected across between the reset pin and power end of this process chip; This first resistance is connected across between power end and the 5th button, and the other end of the 5th button is electrically connected to this reset pin, and this second resistance is connected across between this reset pin and earth terminal;
This oscillation module comprises the first electric capacity, the second electric capacity and a crystal oscillator, this crystal oscillator is connected across between first input end of clock and second clock input end of this process chip, this first electric capacity is connected across between this first input end of clock and earth terminal, and this second electric capacity is connected across between this second clock input end and earth terminal.
4. blind person's wrist-watch as claimed in claim 1, it is characterized in that, this blind person also comprises the catapult watchband of a stainless steel with wrist-watch, the surface for contacting with wrist of this catapult watchband is disposed with the first layer of silica gel and cashmere-planted layer, and this first layer of silica gel and this catapult watchband are one-body molded.
5. blind person's wrist-watch as claimed in claim 4, is characterized in that, two opposite sides of this watch shell are provided with and can plug pivot, and this catapult watchband is articulated in this and can plugs on pivot.
6. the blind person's wrist-watch as described in any one in claim 1-4, it is characterized in that, the surface for contacting with wrist of this watch shell is provided with the second layer of silica gel, this second layer of silica gel is gone into battle and is shown a plurality of arc convex, along with the increase with this dial plate centre distance, those arc convex reduce gradually, and those protruding height are 0.3 millimeter to 1.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273244.2U CN203965814U (en) | 2014-05-26 | 2014-05-26 | Blind person's wrist-watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273244.2U CN203965814U (en) | 2014-05-26 | 2014-05-26 | Blind person's wrist-watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965814U true CN203965814U (en) | 2014-11-26 |
Family
ID=51926373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420273244.2U Expired - Lifetime CN203965814U (en) | 2014-05-26 | 2014-05-26 | Blind person's wrist-watch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203965814U (en) |
-
2014
- 2014-05-26 CN CN201420273244.2U patent/CN203965814U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |