CN2645136Y - Electronic apparatus with detachable input panel - Google Patents

Electronic apparatus with detachable input panel Download PDF

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Publication number
CN2645136Y
CN2645136Y CN 03250693 CN03250693U CN2645136Y CN 2645136 Y CN2645136 Y CN 2645136Y CN 03250693 CN03250693 CN 03250693 CN 03250693 U CN03250693 U CN 03250693U CN 2645136 Y CN2645136 Y CN 2645136Y
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CN
China
Prior art keywords
panel
host
mechanical interface
input panel
interface
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.)
Expired - Fee Related
Application number
CN 03250693
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Chinese (zh)
Inventor
叶文羲
王志飞
梁超
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Priority to CN 03250693 priority Critical patent/CN2645136Y/en
Application granted granted Critical
Publication of CN2645136Y publication Critical patent/CN2645136Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a device with a demountable input panel, comprising a host and a demountable input panel, wherein the host comprises a processing and a control device; the demountable input panel comprises a keyboard; the host comprises a special electric interface for the host which is coupled with the demountable input panel and is used for electrical signal interacting with the demountable input panel, the demountable input panel comprises a panel electric interface which is corresponding to the special electric interface for the host; the host comprises a special mechanical interface which is coupled with the demountable input panel and is used for fixing the demountable input panel which comprises a panel mechanical interface which is corresponding to the special mechanical interface for the host. The utility model has the advantages of easy dismantling, convenient maintaining and low cost.

Description

Electronic installation with detachable input panel
Technical field
The utility model relates to wireless communication technology, particularly has the device of detachable input panel, is specifically related to a kind of wireless Palm Pilots with detachable input panel; The user can carry out the input of numeral and order by this input panel to wireless hand-held device.
Background technology
Along with the continuous release of wireless Palm Pilots, the trend that palm PC and mobile phone merge is more and more obvious.And palm PC can only by touch-screen on dialing interface to its input of dialling.Therefore be very necessary for wireless Palm Pilots provides a kind of input equipment that reliably dials cheaply.
The existing dialing input equipment that has the hand-held device of cell-phone function can be divided into following a few class substantially:
1, rely on pure physical construction to realize: this scheme is the keyboard of renovating that increases a pure physical construction on the touch-screen of the hand-held device of original band cell-phone function, and the position and the position of its dialing interface on touch-screen of the dialing button on this keyboard are in full accord.Place on the touch-screen and dialing interface when being invoked into the foreground will renovating like this,, renovate button on the keyboard and will touch dialed digit key accordingly, thereby realize dialing by the software interface on the touch-screen by the dialed digit key on renovating.This scheme realizes simple, only needs pure physical construction just can realize, but this renovate keyboard and must cooperate just with touch-screen and application software and can finish dialing, and use has infringement to touch-screen for a long time.
2, utilize common interface and main frame to carry out the dialing input media of communication: this dialer is that dialing mechanism is linked to each other with wireless hand-held device by a hand-held device common interface such as interfaces such as SD/MMC or CF.Actuation of keys on the dialer is issued wireless Palm Pilots according to the agreement of common interface and is finished dial feature after processor processing wherein.The performance of this dialer is general reliable but need ppu, the cost height, and need take at least one common interface such as sd/mmc draw-in groove.
These technology or must cooperate with touch-screen and application software have infringement to touch-screen; Or the cost height, and need take common interface.
The utility model content
The purpose of this utility model is the above-mentioned shortcoming that overcomes prior art, and a kind of device with detachable input panel is provided, and comprising:
Main frame comprising handling and control device, is used to handle and control the signal of described device;
Detachable input panel includes the keyboard of at least one key, can be operably coupled to described main frame;
Wherein, described main frame comprises the host-specific electrical interface with described detachable input panel coupling, be used for carrying out the mutual of electric signal with described detachable input panel, described detachable input panel comprises and described host-specific electrical interface corresponding panel electrical interface; Described main frame comprises and the host-specific mechanical interface of described detachable input panel coupling that be used for described detachable input panel is fixed, described detachable input panel comprises and described host-specific mechanical interface corresponding panel mechanical interface.
Alternatively, described electrical interface comprises at least two electrical pickofves, ground contact point and keyboard signal contact point, each key of the keyboard of described at least one key is when pressing, trigger a circuit that comprises predetermined resistance, one described ground of termination contact point, the other end is received described keyboard signal contact point, is used for push button signalling is sent to main frame.
Preferably, described main frame comprises analog-digital commutator, described processing and control device are coupled in its output, and the key tip node of described host-specific electrical interface is coupled in its input, and the signal transformation that is used for described button is that digital signal is imported described processing and control device.
Alternatively, described host-specific electrical interface comprises the electric capacity of the described key tip node of connection to ground, is used for filtering, the signal that filtering is unnecessary.
Preferably, described detachable input panel comprises the device that produces distinguishing signal according to different key, is used to respond the pressing of each key of the keyboard of described at least one key, produces different signals.
Alternatively, the device of described generation distinguishing signal comprises according to the device of button generation frequency modulated signal and/or device and/or the device of sign indicating number modulation signal and/or the device of phase modulated signal of am signals.
Preferably, described detachable input panel comprises sensor, and described host-specific electrical interface and panel electrical interface also comprise the electrical pickoff that is coupled to described sensor, and the processing of described main frame and control device comprise the device of handling described sensor signal.
Alternatively, described sensor comprises: microphone or/and video heads or/and thermometer or/and pressure transducer or/and galvanometer or/and voltmeter.
Described host-specific mechanical interface and panel mechanical interface comprise receiving device, are used to accept described panel mechanical interface to described host-specific mechanical interface and guarantee that described electrical interface interconnects; Stationary installation is used for fixing described panel mechanical interface to described host-specific mechanical interface.
Preferably, described receiving device is included in the groove of described host-specific mechanical interface, is used for cooperating with the joint of described panel mechanical interface; Or, be used for cooperating with the joint of described host-specific mechanical interface at the groove of described panel mechanical interface;
Described stationary installation is included in projection or the recessed buckle in the groove of described host-specific mechanical interface or described panel mechanical interface, is used for and described panel mechanical interface or described host-specific mechanical interface and described be clasped recessed or protruding.
Utilize the utility model, can make face equipment quick detachable, easy to maintenance, low cost.
Description of drawings
Fig. 1 shows the main frame among the embodiment of the present utility model and the interface pictorial diagram of detachable input panel;
Fig. 2 illustrates the schematic block circuit diagram of the input panel of embodiment of the present utility model;
Fig. 3 illustrates the schematic block circuit diagram of main frame and the input panel interface of embodiment of the present utility model;
Fig. 4 has described the treatment scheme of embodiment of the present utility model;
Embodiment
For those of ordinary skills being understood and implementing the utility model, now depicted in greater detail embodiment in conjunction with the accompanying drawings can more easily understand the purpose of this utility model and technical scheme and effect of the present utility model by these embodiment those skilled in the art.
At first with reference to Fig. 1, show the main frame among the embodiment of the present utility model and the interface pictorial diagram of detachable input panel.Comprise on the main frame with detachable input panel and carry out the mutual interface of electric signal, in this embodiment, comprise 3 electrical pickofves, one KEY_AD is used for the keyboard of detachable input panel mutual, another is used for ground wire GND, also has a signal that is used to receive the microphone of detachable input panel.The mechanical bayonet socket that also comprises fixing detachable input panel on the main frame comprises the groove of the joint of placing detachable input panel and the buckle that detachable input panel is fixing.Accordingly, detachable input panel comprises corresponding electrical interface and mechanical interface, comprises corresponding 3 electrical pickofves and the joint corresponding with groove respectively, and the draw-in groove corresponding with buckle.
Present embodiment designs a dismountable electric interfaces that has three electrical pin and is respectively applied for KEY_AD and GND signal on the main frame of wireless Palm Pilots, and detachable input panel links to each other with wireless Palm Pilots by this interface, and is fixed by snap.Have the flexible cord electronic circuit on this input panel, the key information on the panel can be converted to electric signal, the electrical pin in the interface that passes through sends wireless Palm Pilots to, thereby realizes that signal is mutual; In main frame, comprise processor, be used to control the signal with processing host and detachable input panel, in the present embodiment, also comprise analog to digital converter ADC in the main frame, the conversion of signals that is used for detachable input panel is that digital signal is by processor processing.In the present embodiment, be level or the different electric signal of electric current with the information translation of the different button on the panel, the key of pressing by electrical level judging.And in fact, can as by the different key of different frequency difference, comprise double-audio signal with other any signal that can distinguish button; As by the different difference of phase place key, distinguish key by different sign indicating numbers.Can modulate any signal and produce difference with key.Though described the utility model with wireless Palm Pilots in the present embodiment, the utility model can be used for PDA, cell phone, any electronic installation such as intercom.In addition,, also can comprise video heads though detachable input panel of the present utility model comprises microphone, at this moment, can increase an electrical pickoff; If under the needs stereo case, can comprise two microphones, therefore need to increase by two electrical pickofves.
Fig. 2 illustrates the schematic block circuit diagram of the input panel of embodiment of the present utility model.Fig. 3 illustrates the schematic block circuit diagram of main frame and the input panel interface of embodiment of the present utility model.Input panel comprises 3 * 4 keys.Change has just taken place to the resistance between ground (GND) in network KEY_AD when there being arbitrary button to be pressed then on the input panel, because the dividing potential drop then level at KEY_AD place has produced variation, if the resistance value that correctly is provided with on input panel and the mainboard can be that button has been pressed on the magnitude of voltage release input panel according to the KEY_AD place just.As: when button 1 is pressed, button 1 two ends conducting, because the voltage at electric resistance partial pressure KEY_AD place is reduced to a certain magnitude of voltage, thereby with the signal transition that button 1 is pressed is voltage signal, produce the message informing CPU that interruption will have key to press by a voltage comparator, CPU is converted to button with this voltage through ADC and gets key assignments.Electric capacity among Fig. 3 is used for filtering, is used for the interference on the elimination electrical pickoff.
Though utilize voltage comparator produce to interrupt the message informing CPU that will have key to press in the present embodiment, in fact, can be with any method notice CPU, as can be by the method for keyboard scan.
Fig. 4 has described the treatment scheme of embodiment of the present utility model.At first, in step 1, produce button behind the button and interrupt; Trigger the A/D sampling in step 2, to the signal sampling of keyboard.In fact, also can sample by special-purpose A/D always, and when interrupting, read the value of sampling immediately.Then, in step 3, according to sampled value, the judgment means that comprises CPU judges which key presses.In step 4, respond the processing back according to judged result and finish.
Dependable performance of the present utility model, and circuit almost all is made up of capacitance resistance ware cheaply, and cost is low, makes simple.
Input panel of the present utility model is a detachable apparatus, when the user does not need this dialing input panel, it can be pulled up from its interface.Quick detachable, easy to maintenance.
Compare with existing design, the utility model provides reliably a kind of and embodiment cheaply; Constitute input-output system by custom-designed electric and main frame, make keyboard system be totally independent of the software interface of program, for the personalized design of software interface provides rich and varied selectivity.
Those of ordinary skills know that detachable input panel can comprise the device that produces distinguishing signal according to different key, and pressing of each key of response keyboard produces different signals.These signals can be frequency modulated signals, am signals, the device of sign indicating number modulation signal, phase modulated signal.
In addition, detachable input panel can comprise sensor, and host-specific electrical interface and panel electrical interface also comprise the electrical pickoff that is coupled to sensor, and the processing of main frame and control device are handled described sensor signal.Sensor comprises: microphone or/and video heads or/and thermometer or/and pressure transducer or/and galvanometer or/and voltmeter.
Main frame and panel are accepted panel by receiving device and are electrically connected to main frame and assurance; Arrive described main frame by the stationary installation fixed panel.Wherein, receiving device is the groove on main frame, cooperates with the joint of panel; Or the groove on panel, cooperate with the joint of main frame; Stationary installation is projection or the recessed buckle in the groove on main frame or panel, with on panel or the main frame be clasped recessed or protruding.
Though described the utility model by embodiment, those of ordinary skills know, the utility model has many distortion and variation and does not break away from spirit of the present utility model, wishes that appended claim comprises these distortion and variation and do not break away from spirit of the present utility model.

Claims (10)

1. the device with detachable input panel is characterized in that, comprising:
Main frame comprising handling and control device, is used to handle and control the signal of described device;
Detachable input panel includes the keyboard of at least one key, is coupled to described main frame;
Wherein, described main frame comprises the host-specific electrical interface with described detachable input panel coupling, be used for carrying out the mutual of electric signal with described detachable input panel, described detachable input panel comprises and described host-specific electrical interface corresponding panel electrical interface; Described main frame comprises and the host-specific mechanical interface of described detachable input panel coupling that be used for described detachable input panel is fixed, described detachable input panel comprises and described host-specific mechanical interface corresponding panel mechanical interface.
2. device as claimed in claim 1, it is characterized in that, described electrical interface comprises at least two electrical pickofves, i.e. contact point and keyboard signal contact point, each key of the keyboard of described at least one key triggers a circuit that comprises predetermined resistance when pressing, described ground of a termination contact point, the other end is received described keyboard signal contact point, is used for push button signalling is sent to main frame.
3. method as claimed in claim 2, it is characterized in that, described main frame comprises analog-digital commutator, described processing and control device are coupled in its output, the key tip node of described host-specific electrical interface is coupled in its input, and the signal transformation that is used for described button is that digital signal is imported described processing and control device.
4. device as claimed in claim 3 is characterized in that, described host-specific electrical interface comprises the electric capacity of the described key tip node of connection to ground, is used for filtering, the signal that filtering is unnecessary.
5. device as claimed in claim 1 is characterized in that, described detachable input panel comprises the device that produces distinguishing signal according to different key, is used to respond the pressing of each key of the keyboard of described at least one key, produces different signals.
6. device as claimed in claim 5, it is characterized in that the device of described generation distinguishing signal comprises according to the device of the device of button generation frequency modulated signal and/or am signals and/or the device of sign indicating number modulation signal and/or the device of phase modulated signal.
7. as the described device of one of claim 1-6, it is characterized in that, described detachable input panel comprises sensor, described host-specific electrical interface and panel electrical interface also comprise the electrical pickoff that is coupled to described sensor, and the processing of described main frame and control device comprise the device of handling described sensor signal.
8. device as claimed in claim 7 is characterized in that, described sensor comprises: microphone or/and video heads or/and thermometer or/and pressure transducer or/and galvanometer or/and voltmeter.
9. as the described device of one of claim 1-6, it is characterized in that, described host-specific mechanical interface and panel mechanical interface comprise receiving device, are used to accept described panel mechanical interface to described host-specific mechanical interface and guarantee that described electrical interface interconnects; Stationary installation is used for fixing described panel mechanical interface to described host-specific mechanical interface.
10. device as claimed in claim 9 is characterized in that,
Described receiving device is included in the groove of described host-specific mechanical interface, is used for cooperating with the joint of described panel mechanical interface; Or, be used for cooperating with the joint of described host-specific mechanical interface at the groove of described panel mechanical interface;
Described stationary installation is included in projection or the recessed buckle in the groove of described host-specific mechanical interface or described panel mechanical interface, is used for and described panel mechanical interface or described host-specific mechanical interface and described be clasped recessed or protruding.
CN 03250693 2003-04-28 2003-04-28 Electronic apparatus with detachable input panel Expired - Fee Related CN2645136Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03250693 CN2645136Y (en) 2003-04-28 2003-04-28 Electronic apparatus with detachable input panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03250693 CN2645136Y (en) 2003-04-28 2003-04-28 Electronic apparatus with detachable input panel

Publications (1)

Publication Number Publication Date
CN2645136Y true CN2645136Y (en) 2004-09-29

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CN 03250693 Expired - Fee Related CN2645136Y (en) 2003-04-28 2003-04-28 Electronic apparatus with detachable input panel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306036A (en) * 2011-08-23 2012-01-04 马伟超 Intelligent electronic equipment with modular design
CN108983874A (en) * 2018-06-11 2018-12-11 芜湖华特电子科技有限公司 A kind of industrial panel computer convenient for assembling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102306036A (en) * 2011-08-23 2012-01-04 马伟超 Intelligent electronic equipment with modular design
CN108983874A (en) * 2018-06-11 2018-12-11 芜湖华特电子科技有限公司 A kind of industrial panel computer convenient for assembling

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040929

Termination date: 20120428