CN1283059A - Handless unit for mobile telephone - Google Patents
Handless unit for mobile telephone Download PDFInfo
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- CN1283059A CN1283059A CN 00122100 CN00122100A CN1283059A CN 1283059 A CN1283059 A CN 1283059A CN 00122100 CN00122100 CN 00122100 CN 00122100 A CN00122100 A CN 00122100A CN 1283059 A CN1283059 A CN 1283059A
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- earplug
- groove
- handless
- power supply
- audio frequency
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Abstract
A hand-free unit for mobile telephone is disclosed. A signal line with connector at one end and earphone at another end is used to connect the output interface of mobile telephone to the microphone arranged is a slot of audio amplifier. The audio signal is input to the audio amplifier via the earphone and microphone, and then to loudspeaker. Its advantages are simple structure and fiexible use.
Description
The present invention relates to a kind of Handless unit for mobile telephone.
The Handless unit for mobile telephone of Xiao Shouing comprises receiver, audio frequency amplifier and loudspeaker in the market, in the time of in needs place car, when installing, needing connects up in car in a large number sets up, device sets up difficult, if not therefore professional, the user is difficult to set up voluntarily.Owing to there is not special coalignment, and environment inside car is narrow and small, so regular meeting causes the microphone of radio reception and the loudspeaker of output to form mutual interference, causes the shortcoming of communication quality difference.Moreover, mobile phone can't be applied in a flexible way, after the Handless unit for mobile telephone construction of line in the car is finished, used mobile phone machine just needs to be fixed up, and when user's desire is changed different mobile phones, then the Handless unit in the car also must change thereupon to some extent, and is therefore very inconvenient.
The object of the present invention is to provide a kind of speech quality better of output and Handless unit for mobile telephone easy for installation.
For achieving the above object, the invention provides a kind of Handless unit for mobile telephone, comprise a kind of Handless unit for mobile telephone, comprise audio frequency amplifier and loudspeaker, audio frequency amplifier comprises shell and audio amplifier circuit, it is characterized in that: this audio frequency amplifier also comprises groove and the fixed head that is positioned on the shell, is provided with microphone in the groove; Also have fixed head on the groove, it can make earplug be fixed in the groove.
Because this device is provided with groove and gripping mechanism, being connected between the special-purpose earplug that makes mobile phone and the audio frequency amplifier is simple, only needs earplug is put into groove and get final product with the gripping mechanism chucking.And the existence of groove also can make the microphone of audio frequency amplifier effectively receive voice signal raising acoustical quality, and effectively shields other voice signal simultaneously, avoids being subjected to the influence of loudspeaker.Owing to directly utilized earplug general on the mobile phone, when need when Che Nei or stationary applica-tions such as indoor are used, only not needing earplug is taken off, can use mobile phone and earplug in a usual manner from groove, increase the convenience of using greatly, also improved the utilance of earplug.
Fig. 1 is the schematic diagram of the specific embodiment of engagement type Handless unit for mobile telephone of the present invention;
Fig. 2 is that embodiment sound intermediate frequency amplifier combines the action schematic diagram with earplug;
Fig. 3 is an audio frequency amplifier and cutaway view after earplug combines;
Fig. 4 is the audio frequency amplifier upward view;
Fig. 5 is the audio frequency amplifier rearview;
Fig. 6 is audio-frequency amplifier circuit figure.
The present invention is further detailed explanation to engage the drawings and specific embodiments below:
As shown in Figure 1, be the enforcement schematic diagram of engagement type Handless unit for mobile telephone of the present invention, this device comprises holding wire 1, audio frequency amplifier 2 and loudspeaker 4, an end of holding wire 1 is attachment plug 11, via receiver 13 to other end earplug 12.This connecting line can have been bought on market at present, usually with mobile phone 5 supporting uses.Receiver 13 is used for taking in the sound that the user gives orders or instructions, and attachment plug 11 1 ends can be with voice signal by taking out in mobile phone 5 output interfaces, and other end earplug 12 mode to be fastened again is fixed in the groove 211 on the audio frequency amplifier 2; When if mobile phone 5 output interfaces can't directly be connected with attachment plug 11, then can utilize and use crossover sub more one, make mobile phone 5 adaptive through crossover sub and phone Handless unit, this crossover sub one end has various adaptable interfaces to be complementary with various mobile phone 5 output interfaces, and the other end links to each other with the attachment plug 11 of holding wire 1.Because attachment plug 11 can cooperate with various mobile phone 5 output interfaces, therefore can cooperate various different mobile phone to use neatly.Increased the Adapter Property of this device.The voice signal that sends by earplug 12 by audio frequency amplifier 2 receive amplify after, export transmission line 3 to.Be connected to loudspeaker 4 through transmission line 3.One end of transmission line 3 and the output interface of audio frequency amplifier 2 are complementary, and the input of the other end and loudspeaker 4 is complementary.Loudspeaker 4 in the present embodiment also can directly place the inside of audio frequency amplifier 2, and without the connection of the transmission line 3 of outside.As user during with the communication of this device, its sound can be through 13 incomes of the receiver on the holding wire 1, and signal transferred out through mobile phone 5, and receive when talking about, voice signal then can be exported via mobile phone 5 output interfaces, import audio frequency amplifier 2 to loudspeaker 4 outputs by this holding wire 1 again, and reach the effect of Handless.
Shown in Fig. 2 and 3, audio frequency amplifier 2 comprises microphone 61, audio amplifier circuit 64, shell 21.Specifically as shown in Figure 2, this figure is that the audio frequency amplifier 2 of engagement type Handless unit for mobile telephone embodiment of the present invention combines the action schematic diagram with earplug 12, these audio frequency amplifier 2 shells 21 are provided with push switch 62, light-emitting diode 63 and have and can revolve the groove 211 that lifts spill fixed head 22, and this push switch 62 is a mains switch of the present invention; This light-emitting diode 63 is used for display working condition; Can revolve the groove 211 that lifts spill fixed head 22 and have, place usefulness, after earplug 12 is inserted groove 211, utilize spill fixed head 22 to be fastened on shell 21, just earplug 12 can be fixed in the groove 211 for the earplug on the holding wire 1 12.In the present embodiment, the fixed head 22 on the above-mentioned groove 211 also can be push-press type or other form.Earplug 12 is clamped in the groove 211.The recess of spill fixed head 22 can be U-shaped, square, semicircle or other shape.Because being easy juncture, fixture of the present invention can exempt the numerous and diverse difficulty of wiring, can be easily for user's utilization.
As shown in Figure 3, be the specific embodiment audio frequency amplifier 2 of engagement type Handless unit for mobile telephone of the present invention and cutaway view after earplug 12 combines, after earplug 12 is fixed in groove 211 on the audio frequency amplifier 22, the face of speaking of this earplug 12 is relative with microphone 61 in being arranged at groove 211, and therefore the voice signal that is spread out of by earplug 12 can be absorbed by microphone 61 fully; And this microphone 61 absorbs the voice signal that is spread out of by earplug 12 and the circuit board 66 that transfers to the below carries out amplification work.This groove 211 can be bowl-shape (showing as Fig. 3), but also can be shapes such as cylindrical, conical, semicircle sphere.The inner edge shape of groove 211 and the profile of earplug 12 are suitable, it comprises seating surface and shrinkage pool, seating surface touches in order to support earplug 12 and with fixed head 22 earplug 12 to be fixedly clamped on audio frequency amplifier 2 with earplug 12 side edge, shrinkage pool is relative with microphone 61, the voice signal of the perisporium maskable outside of shrinkage pool.The soft plastic of groove 211 usefulness is made, and therefore after earplug 12 is inserted groove 211, will can be used to protect earplug 12, makes earplug 12 not fragile, because groove 211 makes the microphone 61 and extraneous shielding in the audio frequency amplifier 2, reduces to disturb and send the words distortion factor in addition; And earplug 12 can be fixed in the groove 211 closely, causes the sound by earplug 12 outputs to input to amplifying circuit 64 by the microphone in the groove 211 fully, therefore communication quality is improved greatly.
As shown in Figure 4, audio frequency amplifier 2 bottom views for the specific embodiment of this engagement type Handless unit for mobile telephone are provided with a battery case 23 in audio frequency amplifier 2 bottoms, can insert the power supply that generator is required for dry cells 7 in this battery case 23; And in the battery case 23 other VELCROs 8 that also can optionally be stained with, the user is fixing to be used to make things convenient for.
As shown in Figure 5, audio frequency amplifier 2 rearviews for the engagement type Handless unit for mobile telephone, as seen from the figure at the rear side of audio frequency amplifier 2, a loudspeaker socket 66 that can supply transmission line 3 to link is arranged, voice signal after amplifying promptly by these loudspeaker socket 66 outputs, is provided with a supply socket 65 on the next door of loudspeaker socket 66, this supply socket 65 can supply via DC power supply input usefulness after the rectification of transformer transformation, or is directly connected in the power supply source on the automobile.
As shown in Figure 6, audio frequency amplifier 2 circuit diagrams for this engagement type Handless unit for mobile telephone specific embodiment, this audio amplifier circuit 64 includes as seen from the figure: microphone 61, be used for receiving the voice signal of being exported by earplug 12, and this signal is converted into the signal of telecommunication inputs to amplifying circuit 64; Amplifying circuit 64 amplifies the signal of telecommunication of importing, and exports loudspeaker 4 to; Supply socket 65 is for can external power supply on vehicle or via the DC power supply of transformation rectification; Loudspeaker socket 66 can be connected to loudspeaker 4 with signal for plug; Voltage stabilizing circuit 67 is used for stablizing the voltage of input; And push switch 62 and light-emittingdiode 63.
In addition, the present invention also can be used for places, various space such as meeting room, room, kitchen and bathroom except can using in car.It equally also can be used for various landline telephones except being used for mobile phone.
Above-listed detailed description is specifying at possible embodiments of the present invention; be not only to limit scope of patent protection of the present invention with present embodiment; all equivalences that does not break away from essence protection range of the present invention are implemented or change, all should belong in the claim of this case.
For ease of interpreting blueprints, the corresponding element of the label among each figure is listed as follows:
11 attachment plugs of 1 holding wire
12 earplugs, 13 receivers
2 audio-frequency amplifiers, 21 shell bodies
211 grooves, 22 spill fixed heads
23 battery cases, 231 battery case lids
3 transmission lines, 4 loudspeaker
5 mobile phones, 6 circuit boards
61 microphones, 62 push switches
63 light-emittingdiodes, 64 amplifying circuits
65 supply sockets, 66 loudspeaker sockets
67 voltage stabilizing circuits, 7 dry cells
Claims (9)
1, a kind of Handless unit for mobile telephone, comprise audio frequency amplifier (2) and loudspeaker (4), audio frequency amplifier (2) comprises shell (21) and audio amplifier circuit (6), it is characterized in that: this audio frequency amplifier (2) also comprises groove (211) and the fixed head (22) that is positioned on the shell (21), is provided with microphone (61) in the groove (211); Groove (211) is gone up also has fixed head (22), and it can make earplug (12) be fixed in the groove (211).
2, Handless unit for mobile telephone as claimed in claim 1, it is characterized in that: also comprise holding wire (1), it mainly is made up of receiver (13), earplug (12) and attachment plug (11), attachment plug (11) is connected to the output interface of mobile phone (5), it is relative with microphone (61) that earplug (12) is positioned over groove (211) back, voice signal by mobile phone (5) output is exported through earplug (12), produces the signal of telecommunication through radio reception microphone (61) coupling again and amplifies output by audio frequency amplifier (2).
3, Handless unit for mobile telephone as claimed in claim 1 or 2 is characterized in that: also comprise a translation interface, a transmission line (3); Described translation interface one end and mobile phone (5) output interface are complementary, and the attachment plug (11) of the other end and holding wire (1) is complementary; Described transmission line (3) one ends link to each other with audio frequency amplifier (2), and the other end links to each other with loudspeaker (4).
4, Handless unit for mobile telephone as claimed in claim 1 or 2; it is characterized in that: described groove (211) is for bowl-shape; it is made up of seating surface and shrinkage pool; this groove (211) and described earplug (12) are adaptive, and its material is soft plastic, after earplug (12) is inserted groove (211); to can be used to protect earplug (12); make earplug (12) not fragile, and make microphone and extraneous shielding in the circuit, reduce and disturb and send the words distortion.
5, Handless unit for mobile telephone as claimed in claim 3; it is characterized in that: described groove (211) is for bowl-shape; it is made up of seating surface and shrinkage pool; this groove (211) and described earplug (12) are adaptive, and its material is soft plastic, after earplug (12) is inserted groove (211); to can be used to protect earplug (12); make earplug (12) not fragile, and make microphone and extraneous shielding in the circuit, reduce and disturb and send the words distortion.
6. phone Handless unit as claimed in claim 1 or 2 is characterized in that: described audio amplifier circuit (6) comprises the power interface that can connect battery and can external power supply on vehicle or via the supply socket (65) of the DC power supply coupling of transformer rectification; On audio frequency amplifier (2), also be provided with push switch (62), light-emitting diode (63), link to each other with power supply respectively.
7. phone Handless unit as claimed in claim 3 is characterized in that: described audio amplifier circuit (6) comprises the power interface that can connect battery and can external power supply on vehicle or via the supply socket (65) of the DC power supply coupling of transformer rectification; On audio frequency amplifier (2), also be provided with push switch (62), light-emitting diode (63), link to each other with power supply respectively.
8. phone Handless unit as claimed in claim 4 is characterized in that: described audio amplifier circuit (6) comprises the power interface that can connect battery and can external power supply on vehicle or via the supply socket (65) of the DC power supply coupling of transformer rectification; On audio frequency amplifier (2), also be provided with push switch (62), light-emitting diode (63), link to each other with power supply respectively.
9. phone Handless unit as claimed in claim 5 is characterized in that: described audio amplifier circuit (6) comprises the power interface that can connect battery and can external power supply on vehicle or via the supply socket (65) of the DC power supply coupling of transformer rectification; On audio frequency amplifier (2), also be provided with push switch (62), light-emitting diode (63), link to each other with power supply respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00122100 CN1283059A (en) | 2000-08-28 | 2000-08-28 | Handless unit for mobile telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00122100 CN1283059A (en) | 2000-08-28 | 2000-08-28 | Handless unit for mobile telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1283059A true CN1283059A (en) | 2001-02-07 |
Family
ID=4589090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00122100 Pending CN1283059A (en) | 2000-08-28 | 2000-08-28 | Handless unit for mobile telephone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1283059A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2365656A (en) * | 2000-08-01 | 2002-02-20 | Canhold Internat Ltd | Amplifier for a loudspeaking mobile telephone |
-
2000
- 2000-08-28 CN CN 00122100 patent/CN1283059A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2365656A (en) * | 2000-08-01 | 2002-02-20 | Canhold Internat Ltd | Amplifier for a loudspeaking mobile telephone |
| GB2365656B (en) * | 2000-08-01 | 2002-10-09 | Canhold Internat Ltd | Audio amplification device for a cellular telephone |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |