CN108565160A - Plot managing device based on Immovable Property Registration - Google Patents

Plot managing device based on Immovable Property Registration Download PDF

Info

Publication number
CN108565160A
CN108565160A CN201810623513.6A CN201810623513A CN108565160A CN 108565160 A CN108565160 A CN 108565160A CN 201810623513 A CN201810623513 A CN 201810623513A CN 108565160 A CN108565160 A CN 108565160A
Authority
CN
China
Prior art keywords
piston cylinder
compression bar
cavity
piston
keypad
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810623513.6A
Other languages
Chinese (zh)
Inventor
蒲宗甫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Everbright Network Technology Co Ltd
Original Assignee
Chongqing Everbright Network Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Everbright Network Technology Co Ltd filed Critical Chongqing Everbright Network Technology Co Ltd
Priority to CN201810623513.6A priority Critical patent/CN108565160A/en
Publication of CN108565160A publication Critical patent/CN108565160A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input 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
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202Constructional details or processes of manufacture of the input device
    • G06F3/0219Special purpose keyboards
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • H01H13/14Operating parts, e.g. push-button
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • H01H13/20Driving mechanisms
    • H01H13/22Driving mechanisms acting with snap action
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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

Abstract

The invention belongs to information registration management technical fields, the plot managing device based on Immovable Property Registration, including client terminal and server are specifically disclosed, client terminal includes keyboard, keyboard includes keyboard body, outer cover plate, keypad, compression bar and piston cylinder, and cavity is provided in compression bar and keypad;Piston is slidably connected in piston cylinder, the inside of piston cylinder is divided into epicoele and cavity of resorption by piston;Upper intracavitary is equipped with annular slab, forms annular chamber between annular slab and piston cylinder, plunger is slidably connected in annular chamber;Coil is surrounded on the outer wall of compression bar, compression bar is equipped with permanent magnet;Piston is equipped with electromagnet;The bottom of piston cylinder is equipped with buffering magnet;Each coil is connected into circuit with each electromagnet, and switch is connected on circuit;Piston cylinder is equipped with breather cheek valve and one-way exhaust valve;It is provided with water cavity in outer cover plate, through-hole is provided on piston cylinder.Using the present apparatus can you solve the problems, such as that input unit causes the Immovable Property Registration efficiency of management low using uncomfortable.

Description

Plot managing device based on Immovable Property Registration
Technical field
The invention belongs to information registration management technical fields more particularly to a kind of plot based on Immovable Property Registration to manage dress It sets.
Background technology
Immovable Property Registration managing device is to implement the important tool of Immovable Property Registration system, common registration manager packet Client terminal and server are included, client terminal includes display screen and input unit, and input unit is usually keyboard, and keyboard uses easypro Strong influence the efficiency of Immovable Property Registration management whether suitable.Constantly tap keyboard during, hand perspire it is more, In input process, sweat stain on finger etc. can be adhered to the surface of button, and the button on keyboard is made to become greasy, influence operation Comfort level.And existing keyboard does not have dust-proof function, after keyboard uses one end time, the dust in air can fall by The surface of key and keyboard, part dust can also be fallen by the gap of adjacent key in the inside of keyboard, if dust is in keypad Building up inside, phenomena such as be easy to causeing card key or button malfunction.
Invention content
The plot managing device based on Immovable Property Registration that the purpose of the present invention is to provide a kind of solving input unit and uses The uncomfortable problem for causing the Immovable Property Registration efficiency of management low.
In order to achieve the above object, base case of the invention is:Plot managing device based on Immovable Property Registration, including Client terminal and server, client terminal communicate to connect server by internet wireless;Client terminal includes display screen and defeated Enter equipment, input equipment includes keyboard and mouse, and keyboard includes keyboard body, is located at the outer cover plate on keyboard body top and is located at Keypad above outer cover plate;Keyboard further includes compression bar and the piston cylinder that is fixed in outer cover plate, compression bar through piston cylinder up and down It surface and is slidably connected with piston cylinder, the top of compression bar is connect with keypad, and interconnected cavity is provided in compression bar and keypad, pressure The lower end of bar is equipped with the jacking block for triggering contact switch;The piston being fixed on compression bar, piston are slidably connected in piston cylinder The inside of piston cylinder is divided into epicoele and cavity of resorption, the position that pressing plate is located at cavity of resorption is equipped with one-way water inlet valve and single slope drainage valve; Upper intracavitary is equipped with the annular slab that upper end is fixed on piston cylinder upper wall, and annular chamber, ring are formed between annular slab and the outer wall of piston cylinder Shape intracavitary be slidingly and sealingly connected with the fixed plunger of piston, be connected with the tension spring for applying upward pulling force to plunger on plunger; Piston cylinder, which is equipped with, can be connected to extraneous breather cheek valve and one-way exhaust valve with annular chamber;It is surrounded on the outer wall of compression bar Positioned at the coil of upper intracavitary, coil is fixed on cavity wall, and the compression bar position opposite with coil is equipped with permanent magnet;Piston is equipped with Positioned at the electromagnet of lower intracavitary, each coil is connected into circuit with each electromagnet by electric wire;The bottom of piston cylinder is equipped with slow Rush magnet, when compression bar downlink, electromagnet generates the magnetism attracting with buffering magnet, and when compression bar uplink, electromagnet generates and buffering The magnetism that magnet repels each other;The switch being opened and closed for control circuit is connected on circuit, switch is fixed in outer cover plate;In outer cover plate It is provided with water cavity, the through-hole of connection cavity of resorption and water cavity is provided on piston cylinder, water is housed in cavity of resorption and water cavity.
The operation principle of this base case is:When using the present apparatus, user of service is opened by keyboard input information, closure It closes, connects circuit.When tapping keyboard, finger applies active force to keypad, and the pressure of lower intracavitary increases, and single slope drainage valve is beaten automatically It opens, the water of lower intracavitary enters cavity by single slope drainage valve.When finger unclamps keypad, under the action of tension spring, keypad, piston are extensive Position is restored, when the pressure of lower intracavitary reduces, one-way water inlet valve automatically opens, and the water in cavity can be entered by one-way water inlet valve Lower intracavitary, i.e., during tapping keyboard, the water in keyboard circulates between water cavity, cavity of resorption and cavity.At the same time, When tapping keypad, keypad is moved together by compression bar band piston and plunger, and the pressure in annular chamber reduces, the gas near keypad Body can be entered by breather cheek valve in annular chamber;When unclamping keypad, under the action of tension spring, plunger return, in annular chamber Pressure increase, the gas in annular chamber can be discharged by one-way exhaust valve.During tapping keypad, compression bar drives forever Magnet pumps, and since coil winding is opposite with the permanent magnet on compression bar, is equivalent to magnetic field and is moved in coil, coil Cutting magnetic induction line, the circuit being closed at this time can generate electric current.During compression bar downlink, electromagnet, which is powered, to be generated and buffers The attracting magnetism of magnet, operating personnel, which only need to apply smaller power to keypad, can make compression bar drive jacking block downlink, avoid due to Make operator that need to apply the resistance that larger power overcomes water equipped with water in cavity of resorption.During compression bar uplink, electromagnetism Tie Tong Electricity generates the magnetism repelled each other with buffering magnet, can effectively accelerate the reset of keypad.
The advantageous effect of this base case is:
1, keypad is beaten for a long time, and the temperature rise of finger is easy to perspire, and the heat of finger can be passed to by keypad Water in cavity, the water in cavity can circulate between water cavity, cavity of resorption and cavity, can quickly take away heat, improve The operating experience of user.
2, in cavity of resorption equipped with water since liquid has the function of damping, buffering when beaing keypad, machinery can be reduced and connect The noise generated when tactile.
3, when tapping keypad, gas is discharged in the one-way exhaust valve on piston cylinder, and the gas of discharge can be blown in user On hand, finger perspiration can be effectively reduced, sweat is avoided to be stained on button, influences the comfort level of operation.
4, piston cylinder is fixed in outer cover plate, and there is no intervals between outer cover plate and piston cylinderi, and compression bar and piston cylinder it Between there are three-level sealings, can effectively avoid dust by above-mentioned setting enters inside keyboard body, in the inside heap of keyboard body Phenomena such as accumulating, causing card key or button malfunction.
5, electromagnet is made to be powered using the power for beaing keypad, the difference of the compression bar direction of motion will produce the electricity of different directions Stream, can make electromagnet generate different magnetism by being passed through different electric currents to electromagnet.During compression bar downlink, make electromagnetism Tie Tong electricity generates the magnetism attracting with buffering magnet, and operating personnel only need the power smaller to keypad application that compression bar can be made to drive top Block downlink avoids, due to making operator that need to apply larger power equipped with water in cavity of resorption, keeping input operation simpler.On compression bar In capable process, so that electromagnet is powered and generate and buffer the magnetism that magnet repels each other, accelerate the reset of keypad, ensure the sensitive of keyboard Property.
Further, the upper surface of the keypad is arranged to the arcwall face being bonded with finger.When beaing keyboard, finger can be with Keypad contacts, and the upper surface of keypad is set as arcwall face, finger is enable preferably to be bonded with keypad, increases relaxing for user's operation Adaptive.
Further, piston cylinder is equipped with the dust bag that can be connected to one-way exhaust valve.The setting of dust bag can be effective The dust being discharged from piston cylinder is collected, dust is avoided to drift again in air.
Further, bellows is connected between keypad and piston cylinder, bellows is equipped with the first check valve and second unidirectionally Valve.When pressure in bellows increases, the first check valve automatically opens;When pressure in bellows reduces, the second check valve is certainly It is dynamic to open.When pressing keypad, the pressure in bellows can change, and when the pressure in bellows increases, the first check valve is beaten It opens, the gas in bellows can be discharged by the first check valve so that have below the finger and the centre of the palm of operator certain Air quantity, the air flows faster in these regions can effectively reduce finger perspiration, avoid sweat from being stained on button, influence to operate Comfort level.
Further, the position that piston is contacted with piston cylinder is equipped with gasket.The setting of gasket enhances piston and piston Leakproofness between cylinder, avoids liquid leakage.
Description of the drawings
Fig. 1 is the vertical view of keyboard in the plot managing device the present invention is based on Immovable Property Registration;
Fig. 2 is the sectional view of outer cover plate and keypad in Fig. 1.
Specific implementation mode
It is further described below by specific implementation mode:
Reference numeral in Figure of description 1 to 2 includes:Outer cover plate 10, water cavity 11, keypad 20, bellows 21, piston cylinder 30, cavity of resorption 31, epicoele 32, through-hole 33, breather cheek valve 34, one-way exhaust valve 35, compression bar 40, cavity 41, one-way water inlet valve 42, Single slope drainage valve 43, jacking block 44, dust bag 50, piston 60, electromagnet 61, annular slab 70, plunger 71, tension spring 72, coil 80.
As shown in Figure 1 and Figure 2, the plot managing device based on Immovable Property Registration, including client terminal and server, client Terminal through internet wirelessly communicates Connection Service device, and the server used in the present embodiment is FusionServer X6800 Data center server.Client terminal includes display screen and input equipment, and input equipment includes keyboard and mouse, and keyboard includes key Disk ontology, compression bar 40, piston cylinder 30, outer cover plate 10 and the keypad 20 above outer cover plate 10, the upper surface setting of keypad 20 For the arcwall face that can be bonded with finger.Outer cover plate 10 is installed in the top of keyboard body, and piston cylinder 30 is fixed on outer cover plate 10 On, compression bar 40 runs through the upper and lower surface of piston cylinder 30 and is slidably connected with piston cylinder 30.The upper end of compression bar 40 is fixed with keypad 20 It connects, interconnected cavity 41 is provided in compression bar 40 and keypad 20.Bellows 21 is connected between keypad 20 and piston cylinder 30, Bellows 21 is equipped with the first check valve and the second check valve, and when the pressure in bellows 21 increases, the first check valve is beaten automatically It opens;When pressure in bellows 21 reduces, the second check valve automatically opens.Contact switch is equipped in keyboard body, compression bar 40 Lower end is fixed with the jacking block 44 for triggering contact switch, can be contacted with contact switch when jacking block 44 goes downwards to certain distance.
The piston 60 that can be pumped slidingly and sealingly is connected in piston cylinder 30, piston 60 is fixed with compression bar 40 Connection, the position that piston 60 is contacted with piston cylinder 30 are equipped with gasket.The inside of piston cylinder 30 is divided into epicoele 32 by piston 60 With cavity of resorption 31, epicoele 32 is located at the top of piston 60, and the position that pressing plate is located at cavity of resorption 31 is equipped with the list that can be connected to cavity 41 To inlet valve 42 and single slope drainage valve 43, when the pressure in cavity of resorption 31 increases, single slope drainage valve 43 can automatically open, cavity of resorption 31 Interior water can be entered by single slope drainage valve 43 in cavity 41;When pressure in cavity of resorption 31 reduces, one-way water inlet valve 42 can It automatically opens, the water in cavity 41 can be entered by one-way water inlet valve 42 in cavity of resorption 31.Annular slab 70 is fixed in epicoele 32, The upper end of annular slab 70 is fixed on the upper wall of piston cylinder 30, and annular chamber, ring are formed between annular slab 70 and the outer wall of piston cylinder 30 Shape intracavitary is slidingly and sealingly connected with plunger 71, and the lower end of plunger 71 is fixedly connected with piston 60.Plunger 71 and piston cylinder 30 Tension spring 72 is connected between upper wall, tension spring 72 applies plunger 71 upward pulling force.It is surrounded with positioned at upper on the outer wall of compression bar 40 Coil 80 in chamber 32, the position opposite with coil 80 of compression bar 40 are fixed with permanent magnet, and coil 80 is fixed on 32 inner wall of epicoele, pressure When bar 40 is slided along piston cylinder 30, with coil 80 relative motion occurs for compression bar 40.It is fixed on piston 60 in cavity of resorption 31 Electromagnet 61 is connected into circuit between each coil 80 and each electromagnet 61 by electric wire, and switch is connected on circuit, switch It is fixed on the upper surface of outer cover plate 10, which is used for the opening and closing of control circuit.When compression bar 40 moves, 80 cutting magnetic induction of coil Line, electric current is generated in circuit, and the current direction that compression bar 40 is generated toward different direction movements is different.The bottom of piston cylinder 30 is equipped with Magnet (being not drawn into figure) is buffered, the electric current that circuit generates when being passed through 40 downlink of compression bar to electromagnet 61, electromagnet 61 can produce The raw magnetism attracting with buffering magnet;The electric current that circuit generates when being passed through 40 uplink of compression bar to electromagnet 61, electromagnet 61 can Generate the magnetism repelled each other with buffering magnet.Piston cylinder 30 is equipped with breather cheek valve 34 and one-way exhaust valve 35, in annular chamber When pressure increases, one-way exhaust valve 35 automatically opens;When pressure in annular chamber reduces, breather cheek valve 34 automatically opens.It is living Plug tube 30 is equipped with dust bag 50, and when one-way exhaust valve 35 is opened, dust bag 50 is connected to annular chamber.It is provided in outer cover plate 10 Water cavity 11, is provided with the through-hole 33 of connection cavity of resorption 31 and water cavity 11 on piston cylinder 30, full of water in cavity of resorption 31 and water cavity 11.
Specific implementation process is as follows:When managing system using the plot of the present invention, user of service can be inputted by keyboard to be believed Breath, closure switch connect circuit.When tapping keyboard, finger applies active force to keypad 20, and the pressure in cavity of resorption 31 increases, single It is automatically opened to drain valve 43, the water in cavity of resorption 31 enters cavity 41 by single slope drainage valve 43.When finger unclamps keypad 20, Under the action of tension spring 72, keypad 20, piston 60 restore to the original state, and when the pressure in cavity of resorption 31 reduces, one-way water inlet valve 42 is beaten automatically It opens, the water in cavity 41 can be entered by one-way water inlet valve 42 in cavity of resorption 31, i.e., during tapping keyboard, in keyboard Water circulates between water cavity 11, cavity of resorption 31 and cavity 41.At the same time, when tapping keypad 20, keypad 20 passes through compression bar 40 Band piston 60 and plunger 71 move together, and the pressure in annular chamber reduces, and the gas and dust near keypad 20 can pass through Breather cheek valve 34 enters in annular chamber;When unclamping keypad 20, under the action of tension spring 72, plunger 71 resets, in annular chamber Pressure increases, and the gas and dust in annular chamber can be entered by one-way exhaust valve 35 in dust bag 50, by dust bag 50 into Row is unified to be collected.
During tapping keypad 20, compression bar 40 drives permanent magnet to pump, due to coil 8 and permanent magnetism iron phase Right, electric current can be generated by being equivalent to magnetic field movement, 80 cutting magnetic induction line of coil, circuit being closed at this time in coil 80.It is pressing During 40 downlink of bar, electromagnet 61, which is powered, generates the magnetism attracting with buffering magnet, and operating personnel only need to apply keypad 20 Add smaller power that compression bar 40 can be made to drive 44 downlink of jacking block, avoid due to make equipped with water in cavity of resorption 31 operator need to apply compared with Big power overcomes the resistance of water.During 40 uplink of compression bar, electromagnet 61, which is powered, generates and buffers the magnetism that magnet repels each other, The reset of keypad 20 can effectively be accelerated.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification The records such as specific implementation mode can be used for explaining the content of claim.

Claims (5)

1. the plot managing device based on Immovable Property Registration, including client terminal and server, client terminal by internet without Line communicates to connect server;Client terminal includes display screen and input equipment, and input equipment includes keyboard and mouse, and keyboard includes Keyboard body, the outer cover plate for being located at keyboard body top and the keypad above outer cover plate;It is characterized in that:Keyboard further includes Compression bar and the piston cylinder being fixed in outer cover plate, compression bar run through the upper and lower surface of piston cylinder and are slidably connected with piston cylinder, compression bar Top connect with keypad, be provided with interconnected cavity in compression bar and keypad, the lower end of compression bar is equipped with opens for triggering contact The jacking block of pass;Slidably connect the piston being fixed on compression bar in piston cylinder, piston by the inside of piston cylinder be divided into epicoele and Cavity of resorption, the position that pressing plate is located at cavity of resorption are equipped with one-way water inlet valve and single slope drainage valve;Upper intracavitary is fixed on piston cylinder equipped with upper end Annular chamber is formed between the outer wall of the annular slab of upper wall, annular slab and piston cylinder, is slidingly and sealingly connected with and is lived in annular chamber Fixed plunger is filled in, the tension spring for applying upward pulling force to plunger is connected on plunger;Piston cylinder, which is equipped with, can be connected to the external world With the breather cheek valve and one-way exhaust valve of annular chamber;The coil positioned at upper intracavitary is surrounded on the outer wall of compression bar, coil is fixed In upper cavity wall, the compression bar position opposite with coil is equipped with permanent magnet;Piston is equipped with the electromagnet positioned at lower intracavitary, each line Circle is connected into circuit with each electromagnet by electric wire;The bottom of piston cylinder is equipped with buffering magnet, when compression bar downlink, electromagnet production The raw magnetism attracting with buffering magnet, when compression bar uplink, electromagnet generates the magnetism repelled each other with buffering magnet;It is connected on circuit For the switch of control circuit opening and closing, switch is fixed in outer cover plate;It is provided with water cavity in outer cover plate, is provided under connection on piston cylinder Water is housed in the through-hole of chamber and water cavity, cavity of resorption and water cavity.
2. the plot managing device according to claim 1 based on Immovable Property Registration, it is characterised in that:The keypad it is upper Surface is arranged to the arcwall face being bonded with finger.
3. the plot managing device according to claim 1 based on Immovable Property Registration, it is characterised in that:Piston cylinder is equipped with The dust bag that can be connected to one-way exhaust valve.
4. the plot managing device according to claim 1 based on Immovable Property Registration, it is characterised in that:Keypad and piston cylinder Between be connected with bellows, bellows is equipped with the first check valve and the second check valve.
5. the plot managing device according to claim 1 based on Immovable Property Registration, it is characterised in that:Piston and piston cylinder The position of contact is equipped with gasket.
CN201810623513.6A 2018-06-15 2018-06-15 Plot managing device based on Immovable Property Registration Pending CN108565160A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810623513.6A CN108565160A (en) 2018-06-15 2018-06-15 Plot managing device based on Immovable Property Registration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810623513.6A CN108565160A (en) 2018-06-15 2018-06-15 Plot managing device based on Immovable Property Registration

Publications (1)

Publication Number Publication Date
CN108565160A true CN108565160A (en) 2018-09-21

Family

ID=63553703

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810623513.6A Pending CN108565160A (en) 2018-06-15 2018-06-15 Plot managing device based on Immovable Property Registration

Country Status (1)

Country Link
CN (1) CN108565160A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109587984A (en) * 2018-11-15 2019-04-05 浙江商业职业技术学院 A kind of Campus Security electronics based on Internet of Things

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109587984A (en) * 2018-11-15 2019-04-05 浙江商业职业技术学院 A kind of Campus Security electronics based on Internet of Things

Similar Documents

Publication Publication Date Title
US6829340B2 (en) Masked phone service with mask phone number
CN104992854B (en) A kind of slim switch
US20100065035A1 (en) Appliance with a vacuum-based reverse airflow cooling system using one fan
JP5031573B2 (en) Reduction of air braking in MEMS devices
CN103164044B (en) Magnetic force keyboard and driving method thereof, include the electronic installation of magnetic force keyboard
CN103648956A (en) Elevator shaft closure having an elevator control assembly
CN105221421B (en) Compressor and air conditioner
CN103942476B (en) Method for information display and terminal
CN103116191B (en) A kind of optical fiber passive well lid supervising device in the sensing
TW200501557A (en) Low supply voltage and self-biased high speed receiver
CN107504328A (en) A kind of shock-absorbing support seat for household electrical appliances
TW200620357A (en) Multidirectional operation device
US20130287595A1 (en) Cooling system for use in a portable communication device
US10664042B2 (en) Housing and virtual reality glasses including the same
CN208285704U (en) A kind of TV set-top box mounting rack
EP1193912A3 (en) Method for providing services in IP-based network system
CN107833783B (en) A kind of powder operation device and its actuating method of dc circuit breaker
JP2017519134A (en) Stiffness control mechanism of variable stiffness base for structural isolation
CN204792303U (en) Transformer base structure
CN206370001U (en) A kind of computer cabinet be easy to damping and protected
CN107445029B (en) Elevator cage ventilating device
CN107995839A (en) A kind of equipment cooling device
CN107390819A (en) A kind of novel computer cabinet device
CN106015420A (en) Semi-active vibration control eddy current damper
CN205862401U (en) A kind of mobile visible entrance guard intercommunication system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination