CN204236448U - Resistance strain type manual control brake operating device - Google Patents
Resistance strain type manual control brake operating device Download PDFInfo
- Publication number
- CN204236448U CN204236448U CN201420723085.1U CN201420723085U CN204236448U CN 204236448 U CN204236448 U CN 204236448U CN 201420723085 U CN201420723085 U CN 201420723085U CN 204236448 U CN204236448 U CN 204236448U
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- brake
- end cover
- limit switch
- resistance
- braking
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- 230000005489 elastic deformation Effects 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000003044 adaptive effect Effects 0.000 claims description 8
- 230000002045 lasting effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000008447 perception Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 241000145637 Lepturus Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model discloses a manual braking controlling device of resistance strain formula, it includes: a base; one end of the upper end cover is hinged on the base, and a brake push rod is arranged on the upper end cover; the fixed end of the elastic element is fixedly connected to the base, the free end of the elastic element is matched with the brake push rod so that when the upper end cover is pressed down, the brake push rod pushes the elastic element to enable the elastic element to generate elastic deformation, a tension resistance strain gage set is attached to the upper side of the part, close to the fixed end, of the elastic element, a compression resistance strain gage set is attached to the lower side of the elastic element, the tension resistance strain gage set and the compression resistance strain gage set are connected to form a full-bridge differential bridge circuit, and an output voltage signal of the full-bridge differential bridge circuit is a braking intention signal of the brake control. The utility model discloses utilize the finger to control, have braking intention perception function, the phenomenon of stepping on accelerator pedal by mistake when can effectively preventing emergency braking, simple structure, control lightly, the reaction is sensitive, safe and reliable.
Description
Technical field
The utility model relates to the manual brake control device of a kind of resistance-strain type, belongs to vehicle brake technology field.
Background technology
At present, domestic and international ev industry is in the stage progressively moving towards industrialization, usually with existing fuel-engined vehicle through local flow improvement with mated reluctantly, cause the problems such as complete vehicle weight increase, perfect not, each subsystem performance interference of topology layout.Motorized chassis is made up of line control brake system, electric power steering, electric suspension system etc., and whole chassis control integrated electronic, carries out Signal transmissions by CAN, by entire car controller cooperation control, is the developing direction of electric automobile chassis.
Brake system is the important component part of car chassis, is directly connected to comprehensive vehicle performance and the security of the lives and property.Although conventional hydraulic formula, pneumatic brake system can meet the requirements of existing brake legislation, also exist speed of response slow, can not active adjustment, be not easy to the weak points such as integrating control, be not suitable for the demand for development on motorized chassis.Line control brake system, mainly comprise EHB (EHB), electromechanical braking system (EMB), eliminate being directly connected between brake pedal with brake wheel cylinder, take electric wire as information transmission media, control unit controls brake actuator action according to brake pedal position sensor Signal analysis braking intention, realize the control to wheel braking force, there is compact conformation, be easy to the features such as integrating control, compensate for the deficiency on Conventional braking systems structural principle.But, line control brake system steering unit still adopts traditional pedal plate type steering unit form, do not make full use of finger control vertical lighter, flexible than foot operation, rapidly, advantage accurately, and effectively can not avoid the generation of the misoperation accelerator pedal phenomenon when emergency braking.
At present, in the existing line control brake system operating control relevant information that can inquire about, with utility model patent---a kind of push button operating control of automobile line control brake system of the maximally related technology of the utility model to be Chinese Authorization Notice No. be CN201863825U.Above-mentioned utility model structure is simple, it is laborsaving to handle, preload is adjustable, adopts two variable rheostat to be braking intention identification sensor, adopts dual spring mechanism to be brake feel simulator, the generation of misoperation accelerator pedal phenomenon when can effectively prevent from braking.But the resistance strain gauge of its pair of variable rheostat is arranged on upper shell, and slide plate is fixed on button, inconvenience is installed, and due to during button actions can displaced central axis line and button displacement less than normal, impact two variable rheostat service life and accuracy of detection.
Utility model content
Technical problem to be solved in the utility model is the defect overcoming prior art, there is provided a kind of resistance-strain type manual brake control device, it utilizes finger control, there is braking intention perceptional function, effectively can prevent the phenomenon of misoperation accelerator pedal during emergency braking, structure is simple, handle light, be quick on the draw, safe and reliable.
The utility model solves the problems of the technologies described above the technical scheme taked: the manual brake control device of a kind of resistance-strain type, and it comprises:
Pedestal;
Upper end cover, its one end is hinged on pedestal, and upper end cover is provided with brake push rod;
Elastic element, its fixed end is fixedly connected on pedestal, its free end matches with brake push rod so that when pressing upper end cover, brake push rod promotes elastic element makes it that elastic deformation occur, and tension resistance strain gage group is posted in the upside at the position near fixed end on elastic element, pressurized resistance strain gage group is posted in downside, tension resistance strain gage group and pressurized resistance strain gage group are connected to form full-bridge differential bridge circuit, and the output voltage signal of this full-bridge differential bridge circuit is the braking intention signal of brak control unit.
Further in order to enable this device control brake lamp light on and off and be supplied to brak control unit braking commencing signal, the manual brake control device of resistance-strain type also comprises braking and starts suggestion device, this braking starts suggestion device and comprises brake switch, brake switch comprises brake switch male terminal and brake switch female terminal, brake switch male terminal is fixedly connected on the drive end of brake push rod, and brake switch female terminal is fixedly connected on the free end of elastic element; When press upper end cover and brake switch male terminal and brake switch female terminal contact with each other coordinate time, forming path between brake switch male terminal and brake switch female terminal makes brake lamp obtain electric lighting, and sends a high level braking commencing signal to brak control unit simultaneously.
Maximum displacement further in order to make this device can be used in limiting upper end cover, be supplied to brak control unit upper end cover and arrive maximum displacement signal, the manual brake control device of resistance-strain type also comprises the maximum suggestion device of braking, the maximum suggestion device of this braking comprises limit switch, limit switch comprises limit switch male terminal and limit switch female terminal, limit switch male terminal is arranged on upper end cover by upper limit position block, and limit switch female terminal is arranged on pedestal by lower position block; When press upper end cover and limit switch male terminal and limit switch female terminal contact with each other coordinate time, form path between limit switch male terminal and limit switch female terminal and make it send low level braking peak signal to brak control unit.
The further technical matters to be solved of the utility model is: make this device possess Adaptive matching function to braking force, the manual brake control device of resistance-strain type also comprises Adaptive matching mechanism, this Adaptive matching mechanism comprises described full-bridge differential bridge circuit, described brake switch, described limit switch and brak control unit, when automobile be in dead ship condition and chaufeur press upper end cover to limit switch be closed to more than lasting 3 seconds time, brak control unit then detects the output voltage signal value of full-bridge differential bridge circuit when brake switch just closes and when limit switch just closes, the criterion with maximum braking force is started in this, as braking, make output voltage signal value corresponding with target braking force.
The further technical matters to be solved of the utility model is: enable this device be supplied to the simulation of chaufeur brake feel, the manual brake control device of resistance-strain type also comprises upper end cover return mechanism, and this upper end cover return mechanism is arranged between upper end cover and pedestal.
Further provide a kind of concrete structure of upper end cover return mechanism, described upper end cover return mechanism is a pull back spring, and one end of pull back spring is connected on upper end cover, and the other end is connected on pedestal.
Further provide the concrete structure of another upper end cover return mechanism, described upper end cover return mechanism is a return torsion spring, this return torsion spring is arranged on the hinged place of upper end cover and pedestal, and one end of return torsion spring is connected with upper end cover, and the other end is connected with pedestal.
Further, described tension resistance strain gage group is two resistance strain gages, and described pressurized resistance strain gage master is also two resistance strain gages.
Further, pedestal is formed by fixedly connecting by left side housing and base housing, left side housing is provided with butt junction, described upper end cover is provided with lower butt junction, upper butt junction and lower butt junction abut against and coordinate thus form the stop gear that spacing upper end cover moves.
After have employed technique scheme, the utility model has following beneficial effect:
1, the manual brake control device of the utility model is installed on bearing circle, and structure is simple, control comfort, safe and reliable, can make full use of finger control vertical lighter, flexible than foot operation, rapidly, advantage accurately.
2, the manual brake control device of the utility model effectively can avoid the generation of the driver fault misstepping on accelerator pedal phenomenon when emergency braking, improves brake safe performance.
3, the manual brake control device of the utility model adopts resistance strain type sensor identification chaufeur braking intention, can improve the accuracy of detection under thin tail sheep and service life thereof.
4, the manual brake control device of the utility model has Adaptive matching function, can reduce this device self problem and environmental change to the impact of automobile brake state.
5, the manual brake control device of the utility model can to cooperatively interact work with traditional braking pedal.If one of them breaks down and lost efficacy, another can play go-home function, keeps the normal running to automobile brake, improves automobile braking safety performance.
Accompanying drawing explanation
Fig. 1 is the installation site schematic diagram one of the manual brake control device of resistance-strain type of the present utility model;
Fig. 2 is resistance-strain type of the present utility model manual brake control device installation site schematic diagram two;
Fig. 3 is the structural representation of the first structure of the manual brake control device of resistance-strain type of the present utility model;
Fig. 4 is the structural representation of the second structure of the manual brake control device of resistance-strain type of the present utility model;
Fig. 5 is the structural representation of elastic element of the present utility model;
Fig. 6 is the schematic diagram of full-bridge differential bridge circuit of the present utility model.
Detailed description of the invention
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
See Fig. 1, the manual brake control device of resistance-strain type of the present embodiment is installed on bearing circle 1, be separately installed with left hand brake operating control 2, right side brake control device 3 in the arranged on left and right sides of bearing circle 1, chaufeur presses by thumb the control that left hand brake operating control 2 or right side brake control device 3 realize car brakeing; Certainly, can also be following structure: as shown in Figure 2, be separately installed with left hand brake operating control 2 in the arranged on left and right sides of bearing circle 1, right side drives operating control 4, chaufeur presses by thumb the control that left hand brake operating control 2 realizes car brakeing.
As shown in Fig. 3 ~ 6, the manual brake control device of a kind of resistance-strain type, it comprises:
Pedestal;
Upper end cover 10, its one end is hinged on pedestal by S. A. 11, and upper end cover 10 is provided with brake push rod 9;
Elastic element 12, its fixed end is fixedly connected on pedestal, its free end matches so that when pressing upper end cover 10 with brake push rod 9, brake push rod 9 promotes elastic element 12 makes it that elastic deformation occur, and tension resistance strain gage group is posted in the upside at the position near fixed end on elastic element 12, pressurized resistance strain gage group is posted in downside, tension resistance strain gage group and pressurized resistance strain gage group are connected to form full-bridge differential bridge circuit, and the output voltage signal of this full-bridge differential bridge circuit is the braking intention signal of brak control unit.Full-bridge differential bridge circuit both can improve output voltage sensitivity, nonlinear error reduction, had temperature compensation function again.Brak control unit is according to the braking intention of this full-bridge differential bridge circuit output voltage Signal analysis chaufeur.
As shown in Figure 3,4, the manual brake control device of resistance-strain type also comprises braking and starts suggestion device, this braking starts suggestion device and comprises brake switch, brake switch comprises brake switch male terminal 8 and brake switch female terminal 7, brake switch male terminal 8 is fixedly connected on the drive end of brake push rod 9, and brake switch female terminal 7 is fixedly connected on the free end of elastic element 12; When press upper end cover 10 and brake switch male terminal 8 and brake switch female terminal 7 contact with each other coordinate time, forming path between brake switch male terminal 8 and brake switch female terminal 7 makes brake lamp obtain electric lighting, and sends a high level braking commencing signal to brak control unit simultaneously; Brake switch male terminal 8 and brake switch female terminal 7 all adopt copper material, brake switch female terminal 7 is in normally open, when chaufeur presses the enforcement braking of upper end cover 10 side, brake switch male terminal 8 contacts with brake switch female terminal 7, two terminals of short circuit brake switch, make brake lamp obtain electric lighting, start to brak control unit high level signal display braking simultaneously.
As shown in Figure 3,4, the manual brake control device of resistance-strain type also comprises the maximum suggestion device of braking, the maximum suggestion device of this braking comprises limit switch, limit switch comprises limit switch male terminal 16 and limit switch female terminal 15, limit switch male terminal 16 is arranged on upper end cover 10 by upper limit position block 6, and limit switch female terminal 15 is arranged on pedestal by lower position block 14; When press upper end cover 10 and limit switch male terminal 16 and limit switch female terminal 15 contact with each other coordinate time, form path between limit switch male terminal 16 and limit switch female terminal 15 and make it send low level braking peak signal to brak control unit; Limit switch male terminal 16 and limit switch female terminal 15 all adopt copper material; Limit switch female terminal 15 is in normally open, when upper end cover 10 is pressed to maximum displacement place by chaufeur, limit switch male terminal 16 contacts with limit switch female terminal 15, two terminals of short circuit limit switch, arrive maximum displacement place to brak control unit low level signal display upper end cover 10.
The manual brake control device of resistance-strain type also comprises Adaptive matching mechanism, this Adaptive matching mechanism comprises described full-bridge differential bridge circuit, described brake switch, described limit switch and brak control unit, when automobile be in dead ship condition and chaufeur press upper end cover 10 to limit switch be closed to more than lasting 3 seconds time, brak control unit then detects the output voltage signal value of full-bridge differential bridge circuit when brake switch just closes and when limit switch just closes, the criterion with maximum braking force is started in this, as braking, make output voltage signal value corresponding with target braking force.
As shown in Figure 3,4, the manual brake control device of resistance-strain type also comprises upper end cover return mechanism, and this upper end cover return mechanism is arranged between upper end cover 10 and pedestal; As shown in Figure 3, upper end cover return mechanism is a pull back spring 17, and one end of pull back spring 17 is connected on upper end cover 10, and the other end is connected on pedestal.Pull back spring 17 adopts traditional coil spring, is enclosed within outside upper limit position block 6, lower position block 14, has certain preload, by regulating the rigidity of pull back spring 17, can meet the brake feel requirement of different automobile types or chaufeur.Certainly, upper end cover return mechanism can also have other structures, such as, as shown in Figure 4, upper end cover return mechanism is a return torsion spring 18, and this return torsion spring 18 is arranged on the hinged place of upper end cover 10 and pedestal, one end of return torsion spring 18 is connected with upper end cover 10, and the other end is connected with pedestal.Return torsion spring 18 adopts cylindroid helical-coil torsion spring, is enclosed within S. A. 11, has certain preload.By regulating the rigidity of return torsion spring 18, the brake feel requirement of different automobile types or chaufeur can be met.
As shown in Figure 5,6, tension resistance strain gage group is two resistance strain gages, and described pressurized resistance strain gage master is also two resistance strain gages.The elastic element 12 of the present embodiment adopts equi intensity cantilever, and when External Force Acting is in free end, the stress that in beam, each section produces is equal, and the strain on surface is also equal.Resistance strain gage to be attached to apart from the nearer surface of fixed end, and the upper and lower each subsides two panels in the direction of beam, above two strain-gauge tensions time, below two strain-gauge pressurizeds.
As shown in Figure 3,4, pedestal is formed by fixedly connecting by left side housing 5 and base housing 6, left side housing 5 is provided with butt junction, described upper end cover 10 is provided with lower butt junction, upper butt junction and lower butt junction abut against and coordinate thus form the stop gear that spacing upper end cover 10 moves.
During automobile brake, chaufeur can realize brake operating by the manual brake control device of above-mentioned resistance-strain type, also realizes brake operating by traditional braking pedal.If when both work simultaneously, then brak control unit with wherein target braking pressure the greater for reference signal controls wheel braking force.Utilize the manual brake control device of resistance-strain type to implement automobile brake, can make full use of finger control vertical lighter, flexible than foot operation, rapidly, advantage accurately, and effectively can avoid the generation of the misoperation accelerator pedal phenomenon when braking.
Above-described specific embodiment; technical matters, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the manual brake control device of resistance-strain type, it is characterized in that, it comprises:
Pedestal;
Upper end cover (10), its one end is hinged on pedestal, and upper end cover (10) is provided with brake push rod (9);
Elastic element (12), its fixed end is fixedly connected on pedestal, its free end matches with brake push rod (9) so that when pressing upper end cover (10), brake push rod (9) promotes elastic element (12) makes it that elastic deformation occur, and post tension resistance strain gage group in the upside at the upper position near fixed end of elastic element (12), pressurized resistance strain gage group is posted in downside, tension resistance strain gage group and pressurized resistance strain gage group are connected to form full-bridge differential bridge circuit, the output voltage signal of this full-bridge differential bridge circuit is the braking intention signal of brak control unit.
2. the manual brake control device of resistance-strain type according to claim 1, it is characterized in that: also comprise braking and start suggestion device, this braking starts suggestion device and comprises brake switch, brake switch comprises brake switch male terminal (8) and brake switch female terminal (7), brake switch male terminal (8) is fixedly connected on the drive end of brake push rod (9), and brake switch female terminal (7) is fixedly connected on the free end of elastic element (12); When press upper end cover (10) and brake switch male terminal (8) and brake switch female terminal (7) contact with each other coordinate time, forming path between brake switch male terminal (8) and brake switch female terminal (7) makes brake lamp obtain electric lighting, and sends a high level braking commencing signal to brak control unit simultaneously.
3. the manual brake control device of resistance-strain type according to claim 2, it is characterized in that: also comprise the maximum suggestion device of braking, the maximum suggestion device of this braking comprises limit switch, limit switch comprises limit switch male terminal (16) and limit switch female terminal (15), limit switch male terminal (16) is arranged on upper end cover (10) by upper limit position block (6), and limit switch female terminal (15) is arranged on pedestal by lower position block (14); When press upper end cover (10) and limit switch male terminal (16) and limit switch female terminal (15) contact with each other coordinate time, form path between limit switch male terminal (16) and limit switch female terminal (15) and make it send low level to brake peak signal to brak control unit.
4. the manual brake control device of resistance-strain type according to claim 3, it is characterized in that: also comprise Adaptive matching mechanism, this Adaptive matching mechanism comprises described full-bridge differential bridge circuit, described brake switch, described limit switch and brak control unit, when automobile be in dead ship condition and chaufeur press upper end cover (10) be closed to more than lasting 3 seconds to limit switch time, brak control unit then detects the output voltage signal value of full-bridge differential bridge circuit when brake switch just closes and when limit switch just closes, the criterion with maximum braking force is started in this, as braking, make output voltage signal value corresponding with target braking force.
5. the manual brake control device of resistance-strain type according to claim 1, it is characterized in that: also comprise the maximum suggestion device of braking, the maximum suggestion device of this braking comprises limit switch, limit switch comprises limit switch male terminal (16) and limit switch female terminal (15), limit switch male terminal (16) is arranged on upper end cover (10) by upper limit position block (6), and limit switch female terminal (15) is arranged on pedestal by lower position block (14); When press upper end cover (10) and limit switch male terminal (16) and limit switch female terminal (15) contact with each other coordinate time, form path between limit switch male terminal (16) and limit switch female terminal (15) and make it send low level to brake peak signal to brak control unit.
6. the manual brake control device of resistance-strain type according to claim 1, it is characterized in that: also comprise upper end cover return mechanism, this upper end cover return mechanism is arranged between upper end cover (10) and pedestal.
7. the manual brake control device of resistance-strain type according to claim 6, it is characterized in that: described upper end cover return mechanism is a pull back spring (17), one end of pull back spring (17) is connected on upper end cover (10), and the other end is connected on pedestal.
8. the manual brake control device of resistance-strain type according to claim 6, it is characterized in that: described upper end cover return mechanism is a return torsion spring (18), this return torsion spring (18) is arranged on the hinged place of upper end cover (10) and pedestal, one end of return torsion spring (18) is connected with upper end cover (10), and the other end is connected with pedestal.
9. the manual brake control device of resistance-strain type according to claim 1, it is characterized in that: described tension resistance strain gage group is two resistance strain gages, described pressurized resistance strain gage master is also two resistance strain gages.
10. the manual brake control device of resistance-strain type according to claim 1, it is characterized in that: pedestal is formed by fixedly connecting by left side housing (5) and base housing (6), left side housing (5) is provided with butt junction, described upper end cover (10) is provided with lower butt junction, and upper butt junction and lower butt junction abut against and coordinate thus form the stop gear that spacing upper end cover (10) moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723085.1U CN204236448U (en) | 2014-11-27 | 2014-11-27 | Resistance strain type manual control brake operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723085.1U CN204236448U (en) | 2014-11-27 | 2014-11-27 | Resistance strain type manual control brake operating device |
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| Publication Number | Publication Date |
|---|---|
| CN204236448U true CN204236448U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723085.1U Withdrawn - After Issue CN204236448U (en) | 2014-11-27 | 2014-11-27 | Resistance strain type manual control brake operating device |
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| Country | Link |
|---|---|
| CN (1) | CN204236448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442753B (en) * | 2014-11-27 | 2017-06-09 | 江苏理工学院 | Resistance strain type manual control brake operating device |
| CN116132567A (en) * | 2020-05-07 | 2023-05-16 | 阿尔卑斯阿尔派株式会社 | Input device, smart phone and game controller |
-
2014
- 2014-11-27 CN CN201420723085.1U patent/CN204236448U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442753B (en) * | 2014-11-27 | 2017-06-09 | 江苏理工学院 | Resistance strain type manual control brake operating device |
| CN116132567A (en) * | 2020-05-07 | 2023-05-16 | 阿尔卑斯阿尔派株式会社 | Input device, smart phone and game controller |
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Granted publication date: 20150401 Effective date of abandoning: 20170609 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20170609 |
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| AV01 | Patent right actively abandoned |