CN102868390A - Mobile terminal and PTT (push-to-talk) key assembly - Google Patents
Mobile terminal and PTT (push-to-talk) key assembly Download PDFInfo
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- CN102868390A CN102868390A CN2011101874714A CN201110187471A CN102868390A CN 102868390 A CN102868390 A CN 102868390A CN 2011101874714 A CN2011101874714 A CN 2011101874714A CN 201110187471 A CN201110187471 A CN 201110187471A CN 102868390 A CN102868390 A CN 102868390A
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- transmitting set
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Abstract
The invention provides a mobile terminal and a PTT (push-to-talk) key assembly. The PTT key assembly comprises a switch element, a key body which can be used for triggering the switch element to be conducted, an optical transmitter, an optical receiver, an accommodating chamber which is arranged in the key body, and an elastic piece which is arranged at the bottom of the key body and can be used for supporting the key body, wherein an opening of the accommodating chamber faces to the upper surface of the key body; the optical transmitter and the optical receiver are arranged in the accommodating chamber; the optical transmitter is used for outputting a preset optical signal when the key body is pressed down and the switch element is conducted; the optical receiver is used for receiving the optical signal of the optical transmitter and outputting a speaking right keeping signal according to the optical signal when the opening of the accommodating chamber on the key body is covered. With the adoption of the mobile terminal and the PTT key assembly, a user can keep the speaking right without pressing down a PTT key with force all the time during speaking, so that the user can use the mobile terminal and the PTT key assembly conveniently.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of portable terminal and PTT key asembly thereof.
Background technology
Along with the development of technology, portable terminal is being played the part of more and more important role in our productive life.The PTT(Push To Talk of portable terminal, intercom or PTT) function is as a kind of emerging service, and range of application is in continuous expansion.In current PTT service call, the user is by pressing the PTT key on the portable terminal, just can get access to the calling right of speech, when after getting access to the calling right of speech, needing to keep calling out right of speech, the user need to pin the PTT key always during talking, completely just can unclamp the PTT key until talk, if the user unclamps the PTT key during talking, just can lose the calling right of speech, then portable terminal can't be in and say speech phase.
Portable terminal is based on reliability and three anti-requirements, and namely for waterproof and dustproof, shatter-resistant, pressing the PTT key needs larger dynamics.But the present inventor finds: if press the PTT key during talking always, can be easy to produce pain even injured for the user's who carries out for a long time the PTT conversation finger, have a strong impact on the impression that the user uses portable terminal, inconvenient user's use.
Summary of the invention
The present invention is for solving in the prior art during portable terminal carries out the PTT speech, need the user to press the PTT key always, the technical problem that inconvenient user uses, a kind of portable terminal and PTT key asembly thereof are provided, so that the user does not need to press at full tilt the PTT key during calling out speech always, also can keep calling out right of speech, user-friendly.
The invention provides a kind of PTT key asembly of portable terminal, described PTT key asembly comprises switch element, but the keying body of trigger switch element conductive, optical transmitting set, optical receiver is arranged on the container cavity in the keying body, and is arranged on keying body bottom and can supports the elastic component of described keying body, described container cavity opening is towards the keying body upper surface, and described optical transmitting set and optical receiver are arranged in container cavity;
Optical transmitting set is used for being pressed when keying body, during the switch element conducting, and the light signal that output is default;
Optical receiver is used for receive the light signal of optical transmitting set, and according to described light signal, output keeping the right of speech signal when the opening of container cavity on the keying body is capped.
The present invention also provides a kind of portable terminal, comprise above-mentioned PTT key asembly, terminal body and controller, described terminal body is connected by described elastic component with keying body, described controller is electrically connected with optical transmitting set, optical receiver and switch element respectively, be used for when the switch element conducting, the default light signal of control optical transmitting set output, and obtain the calling right of speech, when receiving the maintenance right of speech signal of optical receiver, keep calling out right of speech.
Can find out from the scheme of above-mentioned PTT key asembly, when user's pressing keys body, just can the trigger switch element conductive, get access to the calling right of speech, when the switch element conducting, the default light signal of optical transmitting set output, and when as long as the opening of container cavity is capped, optical receiver just can receive the light signal of optical transmitting set, and according to described light signal, output keeps the right of speech signal, so that the user does not need to press at full tilt the PTT key during calling out speech always, as long as the opening of container cavity is covered, just can keep calling out right of speech, therefore can improve the user and experience, user-friendly.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of a kind of embodiment of PTT key asembly of the present invention.
Fig. 2 is the structural representation of a kind of embodiment of portable terminal of the present invention.
Fig. 3 is the partial enlarged drawing of portable terminal A part of the present invention.
Fig. 4 is the circuit theory schematic diagram of a kind of embodiment of portable terminal of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention provides the PTT key asembly of the portable terminal of a kind of embodiment, as shown in figures 1 and 3, described PTT key asembly comprises switch element 1, but the keying body 2 of trigger switch element 1 conducting, optical transmitting set 3, optical receiver 4 is arranged on the container cavity 21 in the keying body 2 and is arranged on keying body 2 bottoms and can supports the elastic component of described keying body 2, described container cavity 21 openings are towards keying body 2 upper surfaces, and described optical transmitting set 3 and optical receiver 4 are arranged in container cavity 21;
Optical transmitting set 3 is used for being pressed when keying body, during switch element 1 conducting, and the light signal that output is default;
Optical receiver 4, the opening that is used for container cavity on keying body 2 is capped, receives the light signal of optical transmitting set 3, and according to described light signal, output keeps the right of speech signal.
In the present embodiment, described elastic component is spring 5.
Can find out from such scheme, when the user passes through pressing keys body 2, just can 1 conducting of trigger switch element, get access to the calling right of speech, when switch element 1 conducting, the default light signal of optical transmitting set 3 outputs, and when as long as the opening of container cavity 21 is capped, optical receiver 4 just can receive the light signal of optical transmitting set 3, and according to described light signal, output keeps the right of speech signal, so that the user does not need to press at full tilt the PTT key during calling out speech always, as long as the opening of container cavity 21 is covered, just can keep calling out right of speech, experience so can improve the user, user-friendly.
In implementation, described PTT key asembly also comprises the lid (not shown on the figure) that can cover container cavity 21 opening parts, and described lid can be rotationally connected with described keying body 2, is convenient to the opening that lid covers described container cavity 21.When the user passes through pressing keys body 2, after 1 conducting of trigger switch element, can cover container cavity 21 opening parts by lid, so that optical receiver 4 just can receive the light signal of optical transmitting set 3, and according to described light signal, output keeps the right of speech signal, keeping calling out in the process of right of speech so, just do not need user's finger to be placed on container cavity 21 opening parts always, be that the user does not just need to press the PTT key always yet during calling out speech, also can keep calling out right of speech, thus use that can convenient user.
In implementation, described container cavity 21 comprises be used to the first groove that holds optical transmitting set 3 with for the second groove that holds optical receiver 4, described the first groove and the second groove are communicated with, the bottom of described the first groove is provided with the first location hole 22 of fixed light reflector 3, and the bottom of described the second groove is provided with the second location hole 23 of fixed light receiver.In the present embodiment, the longitudinal cross-section of described the first groove is horn-like, the longitudinal cross-section of described the second groove is horn-like, can enlarge the irradiated area of the light that optical transmitting set 3 exports, so that user finger be not placed on container cavity 21 openings directly over the time, optical receiver 4 also can receive the light that optical transmitting set 3 is exported.
In implementation, described container cavity 21 also comprises the compartment part 24 that is arranged between described the first groove and the second groove, can guarantee that when the opening of container cavity 21 is capped light can be from optical transmitting set 3 direct projections to optical receiver 4, thereby misoperation can not occur.Described compartment part 24 is specifically as follows dividing plate, and in the present embodiment, described compartment part 24 is wedge shape, is the wedge shape part.
In implementation, described optical transmitting set is specially infrared light generator, and optical receiver is specially the infrared light receiver.
In implementation, in order to realize, the present invention also provides the portable terminal of a kind of embodiment, such as Fig. 2, body Fig. 3 and shown in Figure 4, described portable terminal comprises terminal body 6, controller 7, the PTT key asembly that also comprises above-described embodiment, described terminal body 6 is connected by described elastic component with keying body 2, described controller 7 respectively with optical transmitting set 3, optical receiver 4 and switch element 1 are electrically connected, be used for when switch element 1 conducting, the default light signal of control optical transmitting set 3 outputs, and obtain the calling right of speech, when receiving the maintenance right of speech signal of optical receiver, keep calling out right of speech.
Can find out from such scheme, when the user passes through pressing keys body 2, just can 1 conducting of trigger switch element, get access to the calling right of speech, when switch element 1 conducting, the default light signal of optical transmitting set 3 outputs, and when as long as the opening of container cavity 21 is capped, optical receiver 4 just can receive the light signal of optical transmitting set 3, and according to described light signal, output keeps the right of speech signal, so that the user does not need to press at full tilt the PTT key during calling out speech always, as long as the opening of container cavity 21 is covered, just can keep calling out right of speech, user-friendly.
In implementation, described switch element 1 is specially key switch, and described key switch is arranged on the described terminal body 6, and can support with the bottom of described keying body 2.
In implementation, as shown in Figure 4, when optical transmitting set 3 receives the control signal of controller 7, optical transmitting set 3 sends the light of specific wavelength and certain strength, and optical receiver 4 can change its resistance attribute (this is the build-in attribute of optical receiver) when being subject to the light of fixed frequency, and along with the increase resistance of light constantly reduces, when resistance is reduced to certain threshold value, will the output low level signal or high level signal namely keep the right of speech signal, when receiving, controller 7 keeps the right of speech signal, just can judge has object to cover on the PTT button, thereby so that portable terminal keeps PTT to call out right of speech.In the present embodiment, optical transmitting set 3 output Infrared, and optical receiver 4 is just understood output low level signal or high level signal when receiving Infrared, so just can avoid under the irradiation of optical receiver 4 at natural daylight also outputs level signals, and avoid occurring the situation of misoperation.
Be understandable that, except adopting infrared transmitter and corresponding infrared light receiver, also can adopt other VISIBLE LIGHT EMISSION device and accept device, do not giving unnecessary details.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the PTT key asembly of a portable terminal, it is characterized in that: described PTT key asembly comprises switch element, but the keying body of trigger switch element conductive, optical transmitting set, optical receiver is arranged on the container cavity in the keying body, and is arranged on keying body bottom and can supports the elastic component of described keying body, described container cavity opening is towards the keying body upper surface, and described optical transmitting set and optical receiver are arranged in container cavity;
Optical transmitting set is used for being pressed when keying body, during the switch element conducting, and the light signal that output is default;
Optical receiver is used for receive the light signal of optical transmitting set, and according to described light signal, output keeping the right of speech signal when the opening of container cavity on the keying body is capped.
2. assembly as claimed in claim 1, it is characterized in that: described PTT key asembly also comprises the lid that can cover the container cavity opening part.
3. assembly as claimed in claim 1 or 2, it is characterized in that: described container cavity comprises be used to the first groove that holds optical transmitting set with for the second groove that holds optical receiver, described the first groove and the second groove are communicated with, the bottom of described the first groove is provided with the first location hole of fixed light reflector, and the bottom of described the second groove is provided with the second location hole of fixed light receiver.
4. assembly as claimed in claim 3, it is characterized in that: vertical interface of described the first groove is horn-like, vertical interface of described the second groove is horn-like.
5. assembly as claimed in claim 3, it is characterized in that: described container cavity also comprises the compartment part that is arranged between described the first groove and the second groove.
6. assembly as claimed in claim 5, it is characterized in that: described compartment part is wedge shape.
7. assembly as claimed in claim 1, it is characterized in that: described optical transmitting set is specially infrared light generator, and optical receiver is specially the infrared light receiver.
8. portable terminal, it is characterized in that: comprise terminal body, controller, also comprise such as the described PTT key asembly of claim 1-7 any one, described terminal body is connected by described elastic component with keying body, and described controller is electrically connected with optical transmitting set, optical receiver and switch element respectively, is used for when the switch element conducting, the default light signal of control optical transmitting set output, and obtain the calling right of speech, when receiving the maintenance right of speech signal of optical receiver, keep calling out right of speech.
9. portable terminal as claimed in claim 8, it is characterized in that: described switch element is specially key switch, and described key switch is arranged on the described terminal body, and can support with the bottom of described keying body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187471.4A CN102868390B (en) | 2011-07-06 | 2011-07-06 | A kind of mobile terminal and PTT key asembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110187471.4A CN102868390B (en) | 2011-07-06 | 2011-07-06 | A kind of mobile terminal and PTT key asembly thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102868390A true CN102868390A (en) | 2013-01-09 |
| CN102868390B CN102868390B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110187471.4A Active CN102868390B (en) | 2011-07-06 | 2011-07-06 | A kind of mobile terminal and PTT key asembly thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07235973A (en) * | 1994-02-25 | 1995-09-05 | Matsushita Electric Works Ltd | Pushbutton device for interphone |
| CN2689596Y (en) * | 2004-03-13 | 2005-03-30 | 惠州雷士工业发展有限公司 | Anti-interference non-contact switches |
| CN101247120A (en) * | 2008-03-07 | 2008-08-20 | 李玉平 | Press keys for coal mine information device |
| CN201167362Y (en) * | 2008-02-04 | 2008-12-17 | 深圳市好易通科技有限公司 | Interphone using combined key-press and turn knob |
-
2011
- 2011-07-06 CN CN201110187471.4A patent/CN102868390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07235973A (en) * | 1994-02-25 | 1995-09-05 | Matsushita Electric Works Ltd | Pushbutton device for interphone |
| CN2689596Y (en) * | 2004-03-13 | 2005-03-30 | 惠州雷士工业发展有限公司 | Anti-interference non-contact switches |
| CN201167362Y (en) * | 2008-02-04 | 2008-12-17 | 深圳市好易通科技有限公司 | Interphone using combined key-press and turn knob |
| CN101247120A (en) * | 2008-03-07 | 2008-08-20 | 李玉平 | Press keys for coal mine information device |
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| CN102868390B (en) | 2016-04-27 |
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