CN1207002A - Connector for mobile telephone - Google Patents

Abstract

The connector of mobile telephone includes connector mounted on the cassette player, non-handheld microphone,first signal transmission wire for connecting connector with mobil telephone and second signal transmission wire for connecting the non-handheld microphone with mobile telephone. Said connector possesses a outer shell portion having same shape with cossette, and its interior is equipped with a recording magnetic head and another ends of first signal transmission wire and second signal transmission wire are respectively equipped with plugs which can be respectively inserted into acoustic input/output receptacle of the mobile telephone.

Description

Connector for mobile telephone

The present invention relates to a kind of utilization and can play the sound play device of recording medium voice signal, the mobile phone connector that mobile phone is had exempt from portable function.

In recent years, the traffic accident that causes because the person for driving a car operates phone under steam is a lot, and in order to address this problem, people have proposed to exempt from the car portable type phone.For example the spy opens flat 6-252821, spy and opens flat 7-143051, spy and open flat 8-46678, spy and open that flat 8-125727, spy open flat 8-242275, the spy opens flat 9-84131 etc.In these schemes, utilize existing equipment in the automobile usually, as connecting the loud speaker (speaker) of acoustics in the car, with the voice signal output of receiving.

Reach such effect, dual mode is arranged.Wherein a kind of is to open the method for being mentioned among the flat 8-46678 the spy, promptly utilizes the interior sound system of car, mobile phone and vehicle to form a wired talking mode with connector.Another kind is disclosed in the spy and opens flat 9-84131, promptly with wireless mode from the microphone sound import, import this voice signal into mobile phone again, and install one and receive words and can send the wireless portable module (module) of exempting from of signal from mobile phone.This exempts from the portable module, and the voice signal of being received sends signal in receiving the words device, export from loud speaker again.

But in the above-mentioned dual mode, for formation is exempted from portable module, required vehicle is quite complicated with the structure of connector, makes installation cost increase, and must take interior space to set up machine.

Therefore, the objective of the invention is to address the above problem, provide one simple in structure, cost is low and needs hardly to set up in addition that machine sets up the space exempts from the mobile telephone connector.

For realizing above-mentioned and other purposes, the invention provides a kind of mobile telephone connector of exempting from.The aufbauprinciple of mobile phone connector of the present invention is: have first voice signal that the mobile phone of voice output terminal and sound input end is received, by the voice output terminal, from connecting the loud speaker output of playing device.From sound input end second sound signal is exported mobile phone, second sound signal can send signal by mobile phone.

Described connector comprises and one is installed in connector body on the playing device, exempts from portable microphone, connects this connector body and be connected with first signal transmssion line, an end of mobile phone and exempt from portable microphone is exempted from portable microphone and mobile phone in order to connection secondary signal transmission line.

Connector body comprise one with the identical shell of audio record medium profile of playing device; One write head of the broadcast magnetic head position contacting configuration of enclosure and playing device, the one end connects first signal transmssion line; The other end of first signal transmssion line is provided with a first terminal that connects mobile phone voice output terminal; The other end of secondary signal transmission line is provided with second terminal that connects mobile phone sound input end.

The mode of exempting from portable conversation is: at first, and before and after the mobile phone received signal, with the power supply opening of playing device.Because of connector body is installed in the playing device, so the broadcast magnetic head of the write head of connector and playing device can be contact condition.Because of mobile phone has the function of automatic reception signal, when the automatic reception signal, first voice signal of the other side's sound, is sent to the write head of connector body at voice output terminal, the first terminal, first signal transmssion line by mobile phone.Write head records the broadcast magnetic head with first voice signal, plays magnetic head this signal is played back, and via the signal processing system of playing device, from the loud speaker that connects this playing device the other side's conversation is exported.

On the other hand, the user of mobile phone, its sound-be that second sound signal receives by exempting from portable microphone, by secondary signal transmission line, second terminal and sound input end, the input mobile phone.In mobile phone, this second sound signal sends signal by antenna, can realize exempting from portable communicating with each other.

According to a preferred embodiment of the invention, can utilize existing playing device and loud speaker to exempt from portable conversation.And mobile phone is connecting playing device, can be with the recording medium of installing originally in the playing device, and the connector body replacement with identical appearance is installed in playing device inside with this connector body.Therefore, mobile phone is only arranged, the exempting from portable microphone of configuration, and first, second signal transmssion line do not need other additional space fully outside playing device.And utilize the function of existing playing device also can guarantee tonequality, in case of necessity, playing device itself can be adjusted tonequality, volume, also can have good speech quality even look like in the more space of automobile and so on noise.

The voice output terminal of mobile phone and sound input end are by shared ground wire, go into jack to constitute with the voice output with sound output, sound input end.First, second terminal is positioned at the insertion voice output and goes into on the plug of jack; First, second signal transmssion line then connects this plug.

Go into jack because most mobile phone all possesses voice output, therefore the plug with connector inserts this jack, makes connector connect mobile phone and is easy to realize.And, be connected to same plug in order to make first, second signal transmssion line, so will make connector body and to exempt from portable microphone integrated.

On first signal transmssion line, configurable one can filter the band pass filter (band pass filter) of the sound frequency wave band of first voice signal.Cause first voice signal is via band pass filter, and for example only the sound frequency wave band of 2～8KHz could be conversed, so unnecessary low frequency or high frequency audio can be blocked in the conversation, speech quality is better.The broadcast magnetic head of playing device has the first two-way magnetic head (dual head) that can play stereophonic signal.And this write head of configuration in this shell as long as contact the either party of this first two-way magnetic head, just can write down first voice signal of monophone (monaural).Because of playing device is positioned on the sound machine, so the stereo two-way magnetic head of a correspondence is arranged.And first voice signal is monophone (monaural), therefore as long as first voice signal is recorded on either party's the magnetic head, all can be by the voice output of the loud speaker on both sides with the other side, and therefore both sides can talk with mutually.

Write head also can be second a two-way magnetic head that contacts with this first two-way magnetic head in the playing device, at shell and exempt from portable microphone configuration one operating means on any one, by operating with the interlock of operating means, have one to connect, first signal transmssion line optionally can be switched to the either party of the second two-way magnetic head with switch (switch).By operating with the interlock of operating means, also can be optionally with the loud speaker output of sound by arbitrary limit, the left and right sides.Especially at automotive interior, if steering wheel on the right, easier the practice is that the other side's sound is spread out of from right-hand loudspeaker, is received by the portable microphone of exempting from that is disposed near driver's seat, and sends signal with same route to the other side.

Go into first voice signal that receives in the mobile phone with jack having voice output, go into to use jack by voice output, from connecting the loud speaker output of playing device.On the other hand, second sound signal goes into jack to import mobile phone from voice output, second sound signal is imported mobile phone by a connector for mobile telephone that can send signal, and this connector comprises: the connector signal transmssion line that is installed in connector body, connection mobile phone and the connector body of playing device.Connector body comprise one in fact be installed in audio record medium in the playing device housing parts of identical appearance arranged.Enclosure, with the broadcast magnetic head position contacting of playing device on, dispose a write head.And an end of connector body has first plug, and transmits the repeating signal transmission line of first voice signal to write head.Connector comprises first signal transmssion line of exempting from portable microphone, connecting this connector body and mobile phone with signal transmssion line, and end connection is exempted from portable microphone, the secondary signal transmission line of other end connection mobile phone.First signal transmssion line, one end have a relaying jack that can connect first plug.The other end of first, second signal transmssion line then connects second plug that a voice output of inserting mobile phone goes into to use jack.

Connector for mobile telephone, its connector body can be to separate with connector with signal transmssion line.First plug with connector body, insert the signal output plughole of the broadcast machine of first recording medium (casette), second recording medium (as compact disk, mini disk etc.) in addition that can play in the former playing device (as the casette cassette player), then the voice signal that sends from second recording medium can be exported from the loud speaker that is connected in playing device.That is when using mobile phone connector, also this first plug can be inserted the relaying jack of connector with signal transmssion line.Like this, concerning connector body, can guarantee except that the connector of mobile phone other playing devices value of connector.In other words, on connector body, add other playing device connectors, as set up connector signal transmssion line assembly, and then can make the value that connector for mobile telephone produces not to have been had in the past, connector is improved greatly with the commodity value of signal transmssion line assembly.

For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. elaborates.In the accompanying drawing:

Fig. 1 represents to exempt from the approximate three-dimensional map of portable phone system;

Fig. 2 represents the circuit partial view of system as shown in Figure 1;

Fig. 3 represents that connector body shown in Figure 1 is installed in the general view of vehicle with the acoustics pattern;

Fig. 4 represents the front view of connector body as shown in Figure 1;

Fig. 5 (A)～(C) is the schematic diagram of connector body internal circuit configuration;

Fig. 6 is illustrated in the schematic diagram of another embodiment that the loud speaker switching operating device is set on the connector body;

Fig. 7 represents to illustrate the end view of exempting from portable another embodiment of phone system.

Fig. 1 is an automotive interior can be with the approximate three-dimensional map of exempting from portable phone system of telephone relation without manual manipulation.Please refer to Fig. 1, the structure of this system is broadly divided into the interior acoustics of car such as cassette cassette player 200, the connector for mobile telephone 300 etc. of configuration in mobile phone 100, the automobile.Mobile phone 100 comprises that a voice output with three terminals such as voice output terminal, sound input end, common land line terminals goes into jack 102.Cassette cassette player 200 comprises that but one covers the tape patchhole (cassette slot) of switching regulator dust cap (dust cover).

The structure of connector for mobile telephone 300 comprises: can from the tape patchhole insert the playback support (cassette deck) of cassette cassette player 200 connector body 302, exempt from portable microphone (hands freemicrophone) 304, first signal transmssion line 306 of drawing from connector body 302, connect an end of exempting from the secondary signal transmission line 308 of portable microphone 304 and connecting first and second signal transmssion line, the plug 310 with jack 102 is gone in the voice output that can connect mobile phone 100.

Fig. 2 is the partial view of summary of exempting from the circuit of portable phone system.Please refer to Fig. 2, mobile phone 100 passes through antenna (antenna) 110 received signals (first voice signal), and sends conversation signal (second sound signal).Switch (switch) 112 is used for switching reception, the transmission of first, second signal.First voice signal is imported first amplifier (amplifier) 114 signal is amplified by antenna 110 and switch 112.On the other hand, go into jack 102 input mobile phone 100 from the second sound signal of exempting from portable microphone 304 inputs with voice output by secondary signal transmission line 308, plug 310.This second sound signal transmits by switch 112 and by antenna 110 after amplifying in amplifier 116.

Go into first voice signal of jack 102 by voice output,, be sent to connector body 302 through plug 310 and secondary signal transmission line 306 from mobile phone 100 outputs.The inside of this connector body, mode as shown in Figure 2 is provided with write head 320 and band pass filter 322.Because of first voice signal through band pass filter 322, only the sound frequency wave band can pass through between the signal of 2～8KHz, can be cut out than the noise of this scope high frequency or low frequency.Therefore, send noise from the other side's phone, or the high frequency audio of can't hear in the conversation can be blocked all because of the wind of the low frequency that produces advancing.

Fig. 5 (A) is an illustrative examples of band pass filter 322.Please refer to Fig. 5 (A), first signal transmssion line 306 comprises the first voice signal line 306a and ground wire 306b.This first signal transmssion line 306 forms the signal transmssion line of two cores by ground wire 306b and the first voice signal line 306a that surrounds netting twine screen (shield).In addition, the secondary signal transmission line is two such core signal transmssion lines too.As for the structure of band pass filter 322, briefly, be series resistance R in the first voice signal line 306a, shunt capacitance C and induction coil L between the first voice signal line 306a and ground wire 306b.

In the embodiment shown in Fig. 5 (A), write head 320 has stereo two-way magnetic head (dual head) 320R and the 320L of its correspondence.In order to make first voice signal is monophone (monaural), uses the magnetic head of L, the arbitrary sideband channel of R all can.Be to use two channels of L, R in the present embodiment.

The write head 320 of installing in this connector body 302, as shown in Figure 3, when connector body 302 inserted the support of cassette cassette player 200, this write head 320 can touch the broadcast magnetic head 210 of support.Afterwards, write head 320 can record first voice signal on the broadcast magnetic head 210 of cassette cassette player 200.

In cassette cassette player 200, after first voice signal is play from broadcast magnetic head 210, amplifying signal in the 3rd amplifier 212.First voice signal after this amplification is connected to cassette cassette player 200, and exports from left and right sides loud speaker (speaker) 220a and the 220b that automobile inside is established.Though Fig. 2 only illustrates the structure of second half section signal processing system-amplifier 212 of playing magnetic head 210, in fact it is exported signal at last via all signal processing systems of the acoustics in the vehicle from loud speaker.

Exempt from portable conversation and be meant in advancing, received signal at any time needn't can be finished the talking mode of dialogue with hand.About the automatic reception signal, dual mode was proposed once in the past.The first is set the mode of automatic reception signal mode, and this mode is the calling stipulated number that preestablishes phone, in case surpass stipulated number, mobile phone 100 just can the automatic reception signal.Another kind is to use the function of " arbitrary keyed jointing collect mail number " (any key answer), as long as promptly touch other buttons beyond the dump key, mobile phone all can the automatic reception signal.On mobile phone, preferably use a function of automatically cutting off, make behind the other side's talk-through 2～6 seconds and cut off received signal automatically.

According to present embodiment, fully needn't hand held mobile phone 100 after received signal and the received signal, because of user's conversation itself from exempting from portable microphone 304 inputs, loud speaker 220a, 220b that the other side's conversation is installed in the vehicle listen to, so this to exempt from portable talking mode be feasible.

This connector body 302, opening the bayonet nut connector (cassette adapter) that discloses in clear 62-120688 number with the spy has same structure.Connector body 302, as Fig. 1, Fig. 3 and shown in Figure 4, have one in fact with tape identical appearance, plastic shell (housing) part 330.Shell 330 comprises the part that penetrates into the inside 330b as shown in Figure 1 from surperficial 330a, and reel as shown in Figure 3 (reel) is accommodated opening 332,334, and capstan winch (cap stan) is accommodated opening 336,338, and guide pins (guide pin) is accommodated opening 340,342.In addition, because of connector is faced with then write head 320, as shown in Figure 4, forms magnetic head opening 344 and two pulley tighteners (pinch roller) and accommodate opening 346,348.Fig. 3 shows that a pulley tightener is included in the state that one side pulley tightener is accommodated opening.If use the audiotape cassette player rewind formula (autoreverse) automatically, when just changeing when driving with inversion driving, two pulley tighteners are accommodated opening 346,348 respectively to be had inside a pulley tightener is housed in.

The structure of this shell 330 is also inequality with the structure of general casette.As shown in Figure 1, to both sides 330d, 330e, a kerf (slit) 350 is arranged, so that draw first signal transmssion line 306 from the connector body outside from its back side 330c.This otch 350 is under the situation of Fig. 1, because this cassette cassette player adopts front loading form (front loading type), thus only need in the rear end of connector 302, that is the back side 330c of shell 330 forms otch.On the other hand,, load form (side loading type), then draw first signal transmssion line 306 in one side of 330d, 330e from the side as side if use the cassette cassette player different with Fig. 1.In the present embodiment, use any load mode all can because from the back side 330c of shell 330 until two sides 330 all are being provided with otch 350 with 330e.

In addition, when connector body 320 is used for automatic helicoid cassette recorder (tape recorder), the function that prevents " auto-reverse action " is arranged then.This function as shown in Figure 3, the inner ring of this connector body 302 has outstanding wheel shaft (hub) 362a and 364a, this wheel shaft can allow two reels (reel) 362 and 364 freely turn round; Then hang with winding (belt) 368 in the periphery of two reels 362 and 364.Like this, when the turning power of spool spindle is communicated to any of two wheel shaft 362a or 364a, can turn round the arbitrary limit that drives two reels 362 or 364, by winding 368, the reel of another side also can and then continue revolution.Like this, stop revolution, can induce the control time (timing) of counter-rotating, just can not cause auto-reverse situation in case start the reel of side.

Fig. 5 (B) and (C) and Fig. 6 show the variation of connector body.Shown in Fig. 5 (B),, switch to arbitrary limit magnetic head of two-way magnetic head 322R or 322L by switch 380 by first voice signal of band pass filter 322.By L, R, can switch to write head, and the other side's sound also can switch to the output loud speaker by L, R.

Aspect the switching of switch 380, when signal imports into, can make electric at the operating means on the microphone 304 and switch, or as shown in Figure 6, do mechanical switching.Among Fig. 6, a recess 370 is arranged on the shell 330 of connector body 302, in the scope of this recess 370, having one can be towards the operating means 372 of diagram direction of arrow operation.Operating means 372 interlocks get final product diverter switch 380 therewith.

Therefore, the other side's sound is switched to the output loud speaker by L, R following advantage is arranged.Be disposed at place near driver's seat because of exempting from portable microphone 304, with the situation of Japanese car, be disposed at the right of direct of travel, even collect the other side's sound from right speaker, effect is also very desirable.Like this, also conversation can be sent to the other side by exempting from portable microphone 304.

But, with the situation of Japanese car, use left speaker even more ideal.Shown in Fig. 5 (B), the magnetic head 320L of left side channel connects the first voice signal line 306a, and with connector body 302 upsets, device also can use right speaker on the playback support.In the case, just needn't be strict with the user and will insert connector body 302 with certain orientation according to normality.And if switch loud speaker from operating portion 372, then concerning the user, the handover operation of loud speaker can be simpler, be more readily understood.In like manner, concerning the car of steering wheel on the left side, use right-hand loudspeaker also to become and be easier to.

In addition, in the system of selection of above-mentioned loud speaker, shown in Fig. 5 (A), when first voice signal is imported two sideband channels, can select loud speaker from arbitrary limit with voice output, and can utilize acoustics control volume balance (balance volume) in the car, dwindle volume.

Fig. 7 shows another embodiment that exempts from portable phone system.Different with Fig. 1 is local as described below.At first, what draw from connector body 400 is repeating signal transmission line 402, and the one end is connecting first plug 404.And the connector body 400 and first signal transmssion line 306 do not fuse.Among the embodiment of Fig. 7, beyond the connector body 400, an independent connector signal transmission line 500 is arranged.This connector signal transmission line 500 comprises: first, second signal transmssion line 306,308 that is connected second plug 310; Connect first signal transmssion line, 306 other ends, make it relaying jack 502 with plug 404 disassembled and assembled freelies; With the portable microphone 304 of exempting from that is connected secondary signal transmission line 308 other ends.

Among the embodiment of Fig. 7, the connector body 400 and the connector signal transmission line 500 of connector for mobile telephone separate.Like this, connector 400 does not just limit wants special use on mobile phone connector, also can be applicable in the vehicle acoustics, beyond the recording medium that can play, on the connector of the recording medium of other broadcast machines.For example: the vehicle acoustics is equipped with the casette cassette player, if connector body 400 is inserted the output plughole of CD (compact disk), MD (mini disk) player, then can CD or MD replace the broadcast of casette.

If use the connector body 400 of Fig. 7 form, its home loop structure is best shown in Fig. 5 (C), and this structure is disclosed in the spy and opens in clear 62-120688 number.Each channel is provided with the RC loop separately, with " the frequency characteristic balanced loop " as L, R channel signals.

And connector connects the plug 404 of connector body 400 so far with the jack 404 of signal transmssion line 500, when exempting from portable conversation when carrying out, first voice signal can be sent on the arbitrary limit or both sides of holding wire 306c of the holding wire 306a of Fig. 5 (C) L side and R side.At this moment, though the sound of frequency if the vehicle sound equipment has the device of equalizer (equalizer) and so on, can filter the sound of these low frequencies or high frequency also from loud speaker output beyond effective wave band of conversing.

The circuit structure of Fig. 5 (C) is applicable to the portable phone system of exempting from of Fig. 1 too.Among Fig. 5 (A) band pass filter is arranged, high frequency filter (high cut filter) is arranged among Fig. 5 (C).If voice signal is then by the band pass filter among Fig. 5 (A); If sound equipment (audio) signal then by the high frequency filter that goes of Fig. 5 (C), according to the difference of signal kinds, is provided with different signal processing system diverter switches.

The present invention is not limited to the foregoing description, also can adopt the embodiment of various variations.For example, if voiceless sound is exported into using jack on the mobile phone 100, then can on mobile phone 100, install and have connector, be fit to jack as the plug of Fig. 1.In addition, if the voice output terminal on the mobile phone is what to separate with sound input end, the then available plug that is fit to these terminals replaces the plug 310 of Fig. 1.

In addition, though above-mentioned execution mode is to utilize the exempt from portable phone system of vehicle with acoustics, this structure also is applicable to the portable phone system of exempting from of home audio device.

Though through disclosing the present invention in conjunction with a preferred embodiment; but it is not in order to limit the present invention; those skilled in the art can make some and change and retouching, so protection scope of the present invention is when being limited by accompanying Claim without departing from the spirit and scope of the present invention.

Claims (7)

1. mobile phone connector, be used to possess the mobile phone of a voice output terminal and an input terminal, receive one first voice signal at this mobile phone, by this voice output terminal, mat connects the loud speaker output of a playing device, and by this sound input end one second sound signal is imported this mobile phone, but this this mobile phone of second sound signal mat transmit, this mobile phone connector comprises:

A connector body is installed in this playing device;

One exempts from portable microphone;

One first signal transmssion line connects this connector body and this mobile phone; And

One first signal transmssion line connects this and exempts from portable microphone and this mobile phone, and one first end of this secondary signal transmission line and this are exempted from portable microphone lotus root and connect,

Wherein, this connector body partly comprises:

One shell, this shell has identical profile with audio record medium in being installed in this playing device;

One record joint, what be disposed at this enclosure plays the magnetic head position contacting with one of this playing device, and this record joint one end is connected to one first end of this first signal transmssion line;

One the first terminal connects one second end of this first signal transmssion line and this voice output terminal of this mobile phone; And

One second terminal connects one second end of this secondary signal transmission line and this sound input end of this mobile phone.

2. mobile phone connector as claimed in claim 1, wherein this voice output terminal of this mobile phone and this sound input end, be by having property-line altogether, and constitute as the jack that usefulness is gone in the voice output of this sound output, this sound input end, and the plug that this first, second terminal is gone into this jack of usefulness by this voice output of insertion is formed, and this first, second signal transmssion line connects this plug.

3. mobile phone connector as claimed in claim 1 or 2, the wherein band pass filter that configuration one can filter out the sound frequency wave band of this first voice signal on this first signal transmssion line.

4. as claim 1,2 or 3 described mobile phone connectors, wherein the broadcast magnetic head of this playing device is to have the one first two-way magnetic head that can play stereophonic signal, and this write head of configuration in this shell, as long as contact the either party of this first two-way magnetic head, just can write down this first voice signal of monophone.

5. mobile phone connector as claimed in claim 4, wherein this write head is the one second two-way magnetic head that contacts with this first two-way magnetic head in this playing device, exempt from portable microphone configuration one operating means on any one at this shell and this, interlock operation by this operating means, use switch by a connection, this first signal transmssion line is optionally switched to the either party of this second two-way magnetic head.

6. mobile phone connector, be applied in and possess a voice output and go on the mobile phone of jack of usefulness, one first voice signal that this mobile phone is received, go into to use jack by this voice output, by the loud speaker output that connects a playing device, gone into jack by this voice output one second sound signal is imported this mobile phone, by this mobile phone this second sound signal is sent, this mobile phone connector comprises:

A connector body is installed in this playing device; And

One signal transmssion line connects this connector body,

Wherein this connector body comprises:

One shell, this shell is identical with the audio record medium profile of this playing device;

One write head is disposed at and plays the magnetic head position contacting with one of this playing device in this housing department; And

One first plug connects an end of this write head, and this first voice signal is sent to this write head, as the relaying signal transmission line,

This connector comprises with signal transmission line:

One exempts from portable microphone;

One first signal transmssion line connects this connector body and this mobile phone; And

One secondary signal transmission line connects this and exempts from portable microphone and this mobile phone, and an end of this secondary signal transmission line and this are exempted from portable microphone lotus root and connect,

This first signal transmssion line wherein, one end have a relaying jack that can insert this first plug, and at the other end of this first, second signal transmssion line, one second plug of jack is gone in this voice output that connection can be inserted this mobile phone.

7. mobile phone connector as claimed in claim 6, this relaying jack wherein, one end and this first signal transmssion line lotus root connect; This exempts from portable microphone, and one end and this second signal transmission line lotus root connect; Connect this second plug on the other end of this first, second signal transmssion line.

Images