CN2515066Y - Vehicle mounted hand carry free universal handle circuit - Google Patents
Vehicle mounted hand carry free universal handle circuit Download PDFInfo
- Publication number
- CN2515066Y CN2515066Y CN 01275114 CN01275114U CN2515066Y CN 2515066 Y CN2515066 Y CN 2515066Y CN 01275114 CN01275114 CN 01275114 CN 01275114 U CN01275114 U CN 01275114U CN 2515066 Y CN2515066 Y CN 2515066Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- mobile phone
- pin
- interface
- common platform
- 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
Links
Images
Landscapes
- Telephone Function (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model relates to a vehicle-carrying hand-free general crank circuit which comprises a mobile phone interface accommodator circuit positioned on an accommodator, and a common platform circuit positioned on a crank platform, wherein the mobile phone interface accommodator circuit is composed of a mobile phone adapter, a common platform adapter and an accommodator circuit connected between the two adapters, the mobile phone adapter is connected with a mobile phone, the common platform adapter is connected with the common platform circuit, the outer connector interface definitions of mobile phones of different types are converted into the uniform common platform connector interface definition through the accommodator circuit, the common platform is provided with a switch of which one switch knife A is connected with the call incoming of the mobile phone interface, the knife bed of the switch knife A is connected with an automobile or a concealed loudspeaker, another switch knife B is connected with a mobile phone interface transmitter and a check comparator of which the output is connected with a single chip microcomputer which is connected with an automobile computer box and a mobile phone interface accommodator circuit and controls squelch and on-hook, and the knife bed of the switch knife B is connected with the automobile or a concealed acoustic pick-up. The utility model has the advantage of being capable of supporting mobile phones of different types, strong function and excellent acoustic effect.
Description
Technical field
The utility model relates to a kind of car handsfree universal handle circuit.
Background technology
At present, oneself car handsfree handle of knowing is made up of separate fixing device and private circuit, wire harness etc.Existing handle Handless system mostly is the special plane special use, can not adapt to the diversified requirement of mobile phone.A kind of handle can only be applicable to a kind of mobile phone, changes mobile phone and must change handle simultaneously, and this causes bigger economical burden to the user.
Summary of the invention
Technical problem to be solved in the utility model is at the above-mentioned deficiency of prior art, can support multiple mobile phone to use and provide a kind of, the car handsfree universal handle circuit that function is strong.
Above-mentioned technical matters of the present utility model is realized by following technical scheme.
A kind of car handsfree universal handle circuit is characterized in that: comprise and be located at the handset port adapter circuit in the adapter of back and be located at the interior common platform circuit of handle platform;
The handset port adapter circuit is made up of mobile phone connector, common platform adaptor union and the adapter circuit that is connected between this two adaptor union, and mobile phone connector is connected with mobile phone, and the common platform adaptor union is connected with the common platform circuit; The aerial lug interface definition of the mobile phone of different brands model is converted to the interface definition of unified common platform adaptor union by adapter circuit.
In the common platform circuit, be provided with a two pole switch; Wherein a switch cutter A takes over the machine interface adapter circuit, and the tool rest C of this switch cutter connects loud speaker; Another switch cutter B catcher machine interface adapter circuit and detection comparator, the output of detection comparator connects micro controller system, and micro controller system connects automobile computer box and handset port adapter circuit; The tool rest E of this switch cutter B connects acoustic pickup.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
This two pole switch is the double-pole on-off switch, and this double-pole on-off switch is controlled by selection control; This loud speaker comprises auto loud hailer and hidden earphone; This acoustic pickup comprises hidden acoustic pickup and automobile acoustic pickup;
Wherein a switch cutter A of this double-pole on-off switch takes over machine interface adapter circuit, the tool rest C external automobile loud speaker of this switch cutter; Another tool rest D of this switch cutter connects hidden earphone;
Another switch cutter B catcher machine interface adapter circuit and the detection comparator of double-pole on-off switch, the output of detection comparator connects micro controller system, and micro controller system connects automobile computer box and handset port adapter circuit; The tool rest E of this switch cutter B connects hidden acoustic pickup; Another tool rest F external automobile acoustic pickup of this switch cutter B.
Wherein be connected to the circuit series of amplifying circuit FA and filter circuit LA between this switch cutter A and the handset port adapter circuit, and be connected to filter circuit LB between the tool rest C of this switch cutter and the external automobile loud speaker; Be connected to amplifying circuit FB between another tool rest D of this switch cutter and the earphone;
Be connected to the circuit series of amplifying circuit FC and filter circuit LC between another switch cutter B and the handset port adapter circuit; The output of filter circuit LC also connects detection comparator, and the output of detection comparator connects micro controller system, and micro controller system connects automobile computer box and handset port adapter circuit; Be connected to the circuit series of amplifying circuit FD and filter circuit LD between the tool rest E of this switch cutter B and the hidden acoustic pickup; Be connected to filter circuit LE between another tool rest F of this switch cutter B and the automobile acoustic pickup.
In this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, wherein is connected in series the size and the current-limiting resistance and the non-return diode that prevent battery discharge of a control charging current; The 2nd pin is that charging control circuit links to each other with the charging control interface of mobile phone connector, be provided with a transistor circuit in this charging control circuit, this transistor base catcher machine charging control interface according to mobile phone dump energy decision charging current size, thereby prolongs battery of mobile phone service life; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; The data line interface of the 6th pin catcher machine adaptor union; The ground interface of the 7th pin catcher machine adaptor union; 8th, the 9 pin free time; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
In this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, serial connection one voltage stabilizer in this circuit; The 2nd pin free time; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; 6th, 7, the 8 pin free time; The 9th pin is that the on-hook interface links to each other with the on-hook interface of mobile phone connector; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
In this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, wherein is connected in series the size and the current-limiting resistance and the non-return diode that prevent battery discharge of a control charging current; The 2nd pin free time; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; 6th, 7, the 8 pin free time; The 9th pin is that the on-hook interface links to each other with the on-hook interface of mobile phone connector; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
This double-pole on-off switch is that model is MC14053B four path analoging switch, is to be controlled by selection control; This selection control is a dry-reed tube, and the 9th, 10,11 pin of four path analoging switch also connect the back by the resistance power connection, the 9th, 10,11 pin and connect after connect dry-reed tube, the other end ground connection of dry-reed tube; The 14th pin connects the output of amplifying circuit FA; The 15th pin connects the input of filter circuit LB; The 4th pin output of four path analoging switch connects the input pin of amplifying circuit FC; The 13rd pin of four path analoging switch connects the input pin of amplification appliance B; The 3rd pin of four path analoging switch connects the output of amplifying circuit FD; The 5th pin of four path analoging switch connects the output of filter circuit LE.
This amplifying circuit FA, FB, FC, FD are made of for the LM324 integrated amplifier model.
This detection comparator is to be the integrated circuit of LM393 by model, its the 6th input pin connects the mouth of filter circuit LC, its output pin the 7th pin connects the 18th pin of micro controller system, and testing result is sent micro controller system, is sent instructions by micro controller system and notifies computer box Control of Automobile radio receiver quiet.
This micro controller system is that model is the integrated circuit of 89C2051, and its 2nd pin is formed serial transceiver through two aerotrons, is connected with computer box MBUS interface by the L1 line; The 2nd pin is connected with computer box MBUS interface through the L1 line; The 5th pin connects crystal oscillator; The 6th pin links to each other with the 8th pin of the common platform adaptor union of adapter; The 9th pin links to each other with the 9th pin on-hook interface of the common platform adaptor union of adapter; The 10th pin ground connection; The 12nd pin links to each other with light-emitting diode; The 13rd pin links to each other with the 7th pin of the common platform adaptor union of adapter; The 14th pin and the 4th pin of the common platform adaptor union of the adapter signal of taking a seat links to each other; The 16th pin links to each other with the 2nd pin charging control of the common platform adaptor union of adapter; The 17th pin links to each other with selecting control; The 18th pin links to each other with the output of detection comparator; The 20th pin power connection.
The utility model has the advantages that:
1, employing is located at the handset port adapter circuit in the adapter and is located at the interior common platform circuit of handle platform; By changing different handset port adapter circuits, thereby realize supporting many producers mobile phone products (Nokia, Siemens, Ericsson, Motorola, three magnitudes), support same producer polytypic mobile phone products.
2, in circuit, be provided with a plurality of amplification filtering links better speech quality is provided.
Also the utility model is described in further detail in conjunction with the accompanying drawings to enumerate specific embodiment below.
Description of drawings
Fig. 1 is a block scheme of the present utility model.
Fig. 2 is the block scheme of specific embodiment of the utility model.
Fig. 3, Fig. 4, Fig. 5 are the circuit diagram of handset port adapter circuit of the present utility model.
Fig. 6, Fig. 7, Fig. 8 are common platform circuit diagram of the present utility model.
The specific embodiment
Shown in Fig. 1,2,3,4,5, the car handsfree universal handle circuit that provides of the present utility model comprises and is located at the handset port adapter circuit 100 in the adapter of back and is located at the interior common platform circuit 200 of handle platform.Wherein:
Handset port adapter circuit 100 is made up of mobile phone connector 101, common platform adaptor union 102 and the adapter circuit 103 that is connected between this two adaptor union, mobile phone connector 101 is connected with mobile phone, and common platform adaptor union 102 is connected with common platform circuit 200; Convert the aerial lug interface definition of the mobile phone of different brands model the interface definition of unified common platform adaptor union 102 to by adapter circuit 100, it mainly is the identical ordering that the difference ordering of different each pin of outer handset adaptor union is converted to unified common platform adaptor union 102 each pin.Mobile phone for different model can be realized car handsfree as long as replacing has corresponding handset port adapter circuit.
In the common platform circuit, be provided with a two pole switch 210; Wherein a switch cutter A is by common platform adaptor union 102 catcher machine interface adapter circuit 100, and the tool rest C of this switch cutter connects loud speaker 220; Another switch cutter B connects detection comparator 230 and takes over machine interface adapter circuit 100 by common platform adaptor union 102, the output of detection comparator 230 connects micro controller system 240, micro controller system 240 external automobile computer box and by common platform adaptor union 102 catcher machine interface adapter circuit 100; The tool rest E of this switch cutter B connects acoustic pickup 250.
This two pole switch 210 is double-pole on-off switch (shown in Figure 2), and this double-pole on-off switch is subjected to selection control 211 controls; This loud speaker 220 comprises auto loud hailer 221 and hidden earphone 222; This acoustic pickup 250 comprises hidden acoustic pickup 251 and automobile acoustic pickup 252; The tool rest C external automobile loud speaker 221 of a switch cutter A of this double-pole on-off switch wherein; Another tool rest D of this switch cutter A connects hidden earphone 222; The tool rest E of another switch cutter B of double-pole on-off switch connects hidden acoustic pickup 251; Another tool rest F external automobile acoustic pickup 252 of this switch cutter B.
Be connected to the circuit series of amplifying circuit FA and filter circuit LA between this switch cutter A and the handset port adapter circuit 100, and be connected to filter circuit LB between the tool rest C of this switch cutter and the external automobile loud speaker 221; Be connected to amplifying circuit FB between another tool rest D of this switch cutter A and the hidden earphone 222; Its effect is that incoming telephone signal is amplified and filtering high frequency clutter, to improve listening quality.
Be connected to the circuit series of amplifying circuit FC and filter circuit LC between another switch cutter B and the handset port adapter circuit 100; The output of filter circuit LC also connects detection comparator 230, and the output of detection comparator 230 connects micro controller system 240, and micro controller system 240 connects automobile computer box and handset port adapter circuit; Be connected to the circuit series of amplifying circuit FD and filter circuit LD between the tool rest E of this switch cutter B and the hidden acoustic pickup 251; Be connected to filter circuit LE between another tool rest F of this switch cutter B and the automobile acoustic pickup 252.Its effect is to amplify and filtering high frequency clutter sending electric signal, with the raising quality of giving orders or instructions.
Shown in Fig. 3,4,5, in this handset port adapter circuit 100: the 1st pin of common platform adaptor union 102 is that charge circuit links to each other with the charging inlet of mobile phone connector 101; The 2nd pin of common platform adaptor union 102 is that charging control circuit links to each other with the charging control interface of mobile phone connector 101; The 3rd pin of common platform adaptor union 102 is that voice output links to each other with the speech input interface of mobile phone connector 101; The 4th pin of common platform adaptor union 102 is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector 101; The 5th pin of common platform adaptor union 102 is that speech input interface links to each other with the voice output interface of mobile phone connector 101; The data line interface of the 6th pin catcher machine adaptor union 101 of common platform adaptor union 102; The ground interface of the 7th pin catcher machine adaptor union 101 of common platform adaptor union 102; The 9th pin of common platform adaptor union 102 is that the on-hook interface links to each other with the on-hook interface of mobile phone connector 101; The 10th pin of common platform adaptor union 102 links to each other with the mobile phone ground interface of mobile phone mobile phone connector 101, the ground of common platform circuit respectively.
In this handset port adapter circuit, at the different adapter circuit of the mobile phone adapted of different model.As shown in Figure 3, be the handset port adapter circuit that is used for the NOKIA5110 mobile phone.In this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, wherein is connected in series the size and the current-limiting resistance and the non-return diode that prevent battery discharge of a control charging current; The 2nd pin is that charging control circuit links to each other with the charging control interface of mobile phone connector, be provided with a transistor circuit in this charging control circuit, this transistor base catcher machine charging control interface according to mobile phone dump energy decision charging current size, thereby prolongs battery of mobile phone service life; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; The data line interface of the 6th pin catcher machine adaptor union; The ground interface of the 7th pin catcher machine adaptor union; 8th, the 9 pin free time; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
Shown in Figure 4 be the handset port adapter circuit that is applicable to the MOTOROLA mobile phone, wherein: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, the size and the current-limiting resistance and the non-return diode that prevent battery discharge of serial connection one voltage stabilizer and control charging current in this circuit; The 2nd pin free time; The mobile phone speech input interface links to each other with the common platform circuit through earphone cord, and the 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The mobile phone speech output interface links to each other with the common platform circuit through earphone cord, the 6th, 7,8 pin free time; The 9th pin links to each other with mobile phone ground interface, mobile phone B at-Tdbk interface, mobile phone MAIN interface, common platform circuit ground respectively.
In the adapter circuit that is applicable to the ERICSSON mobile phone shown in Figure 5, in this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, serial connection one voltage stabilizer in this circuit; The 2nd pin free time; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; 6th, 7, the 8 pin free time; The 9th pin is that the on-hook interface links to each other with the on-hook interface of mobile phone connector; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
In the handset port adapter circuit of ERICSSON (figure does not show), the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, wherein is connected in series the size and the current-limiting resistance and the non-return diode that prevent battery discharge of a control charging current; The 2nd pin free time; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; 6th, 7, the 8 pin free time; The 9th pin is that the on-hook interface links to each other with the on-hook interface of mobile phone connector; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
In the mobile phone of other models, be furnished with corresponding handset port adapter circuit, do not enumerate one by one at this.
Shown in Figure 6, this double-pole on-off switch 210 is that model is MC14053B four path analoging switch, is by selection control 211 controls; This selection control is a dry-reed tube, and the 9th, 10,11 pin of four path analoging switch also connect the back by the resistance power connection, the 9th, 10,11 pin and connect after connect that to select controller 211 be dry-reed tube, the other end ground connection of dry-reed tube; The 14th pin connects the output of amplifying circuit FA; The 15th pin connects the input of filter circuit LB; The 4th pin output of four path analoging switch connects the input pin of amplifying circuit FC; The 13rd pin of four path analoging switch connects the input pin of amplification appliance B; The 3rd pin of four path analoging switch connects the output of amplifying circuit FD; The 5th pin of four path analoging switch connects the output of filter circuit LE.
This amplifying circuit FA, FB, FC, FD are made of for the LM324 integrated amplifier model.Wherein: 1,2 pin are respectively output and the input pin of amplifying circuit FB; 6,7 pin are respectively output and the input pin of amplifying circuit FD; 8,9 pin are respectively output and the input pin of amplifying circuit FC; 14,13 pin are respectively output and the input pin of amplifying circuit FA.
This detection comparator 230 is to be that the integrated circuit of LM393 constitutes by model, its the 6th input pin connects the mouth of filter circuit LC, its output pin the 7th pin connects the 18th pin of micro controller system 240, and testing result is sent micro controller system 240, is sent instructions by micro controller system 240 and notifies computer box Control of Automobile radio receiver quiet.
This micro controller system 240 is that model is the integrated circuit of 89C2051, and its 2nd pin is formed transceiver through two aerotrons, is connected with computer box MBUS interface by the L1 line; The 2nd pin is connected with computer box MBUS interface through the L1 line; The 5th pin connects crystal oscillator; The 6th pin links to each other with the 8th pin of the common platform adaptor union 102 of adapter 100; The 9th pin links to each other with the 9th pin on-hook interface of the common platform adaptor union 102 of adapter 100; The 10th pin ground connection; The 12nd pin links to each other with light-emitting diode; The 13rd pin links to each other with the 7th pin of the common platform adaptor union 102 of adapter 100; The 14th pin and the 4th pin of the common platform adaptor union 102 of adapter 100 signal of taking a seat links to each other; The 16th pin links to each other with the 2nd pin charging control of the common platform adaptor union 102 of adapter 100; The 17th pin links to each other with selecting control; The 18th pin links to each other with the output of detection comparator; The 20th pin power connection.
The utility model is realized the hands-free of many producers polytypic multi-functional mobile phone signal.It mainly contains two kinds of mode of operations: hand-free call state and hidden talking state.The hand-free call state: the loud speaker of automobile and automobile acoustic pickup and the other side (mobile phone, base etc.) carry out communication.Hidden state: handle earphone and hidden acoustic pickup and the other side (mobile phone, base etc.) carry out communication.These two kinds of mode of operations are the extension by handle, the break-make of getting the change dry-reed tube, and control double-pole on-off switch is reached.When handle breaks away from base is hidden state, otherwise is hands-free state.
During hands-free state, the cell phone incoming call signal connects auto loud hailer 221 through filter circuit LA, amplifying circuit FA, switch cutter A, switch seat C, filter circuit LB and broadcasts; Give orders or instructions signal by the automobile acoustic pickup through filter circuit LE, switch seat F, switch cutter B, amplifying circuit FC, filter circuit LC catcher machine interface adapter circuit 100, send by mobile phone by handset port adapter circuit 100.Filter circuit LC also connects micro controller system 240 by detection comparator 230, is sent instructions by micro controller system 240 and notifies computer box Control of Automobile radio receiver quiet; After the other side's on-hook, then micro controller system 240 sends on-hook signal and makes the mobile phone on-hook.
During hidden state, the cell phone incoming call signal connects hidden earphone through filter circuit LA, amplifying circuit FA, switch cutter A, switch seat D, amplifying circuit FB, and the handset earphone signal switches to the handle earphone and emits; Give orders or instructions simultaneously signal by hidden acoustic pickup through filter circuit LD, amplifying circuit FD, switch seat E, switch cutter B, amplifying circuit FC, filter circuit LC catcher machine interface adapter circuit 100, send by mobile phone by handset port adapter circuit 100.Filter circuit LC connects micro controller system 240 by detection comparator 230, is sent instructions by micro controller system 240 and notifies computer box Control of Automobile radio receiver quiet; After the other side's on-hook, then micro controller system 240 sends on-hook signal and makes the mobile phone on-hook.Hidden state when handle is got back to base, by software control mobile phone automatic hand-up, recovers the power amplifier state of motorcar radio set simultaneously.
Software is by determining the mode of operation and the charge condition of motorcar radio set power amplifier to the continuous scanning of adapter state.
Claims (10)
1, a kind of car handsfree universal handle circuit is characterized in that: comprise and be located at the handset port adapter circuit in the adapter and be located at the interior common platform circuit of handle platform;
The handset port adapter circuit is made up of mobile phone connector, common platform adaptor union and the adapter circuit that is connected between this two adaptor union, and mobile phone connector is connected with mobile phone, and the common platform adaptor union is connected with the common platform circuit; The aerial lug interface definition of the mobile phone of different brands model is converted to the interface definition of unified common platform adaptor union by adapter circuit.
In the common platform circuit, be provided with a two pole switch; Wherein a switch cutter A takes over the machine interface adapter circuit, and the tool rest C of this switch cutter connects loud speaker; Another switch cutter B catcher machine interface adapter circuit and detection comparator, the output of detection comparator connects micro controller system, and micro controller system connects automobile computer box and handset port adapter circuit; The tool rest E of this switch cutter B connects acoustic pickup.
2, according to the said car handsfree universal handle of claim 1 circuit, it is characterized in that: this two pole switch is the double-pole on-off switch, and this double-pole on-off switch is controlled by selection control; This loud speaker comprises auto loud hailer and hidden earphone; This acoustic pickup comprises hidden acoustic pickup and automobile acoustic pickup;
Wherein a switch cutter A of this double-pole on-off switch takes over machine interface adapter circuit, the tool rest C external automobile loud speaker of this switch cutter; Another tool rest D of this switch cutter connects hidden earphone;
Another switch cutter B catcher machine interface adapter circuit and the detection comparator of double-pole on-off switch, the output of detection comparator connects micro controller system, and micro controller system connects automobile computer box and handset port adapter circuit; The tool rest E of this switch cutter B connects hidden acoustic pickup; Another tool rest F external automobile acoustic pickup of this switch cutter B.
3, according to the said car handsfree universal handle of claim 2 circuit, it is characterized in that: wherein be connected to the circuit series of amplifying circuit FA and filter circuit LA between this switch cutter A and the handset port adapter circuit, and be connected to filter circuit LB between the tool rest C of this switch cutter and the external automobile loud speaker; Be connected to amplifying circuit FB between another tool rest D of this switch cutter and the earphone;
Be connected to the circuit series of amplifying circuit FC and filter circuit LC between another switch cutter B and the handset port adapter circuit; The output of filter circuit LC connects detection comparator, and the output of detection comparator connects micro controller system, and micro controller system connects automobile computer box and handset port adapter circuit; Be connected to the circuit series of amplifying circuit FD and filter circuit LD between the tool rest E of this switch cutter B and the hidden acoustic pickup; Be connected to filter circuit LE between another tool rest F of this switch cutter B and the automobile acoustic pickup.
4, according to the said car handsfree universal handle of claim 1 circuit, it is characterized in that: in this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, wherein be connected in series the size of a control charging current and prevent the current-limiting resistance of battery discharge and non-return diode with; The 2nd pin is that charging control circuit links to each other with the charging control interface of mobile phone connector, be provided with a transistor circuit in this charging control circuit, this transistor base catcher machine charging control interface according to mobile phone dump energy decision charging current size, thereby prolongs battery of mobile phone service life; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; The data line interface of the 6th pin catcher machine adaptor union; The ground interface of the 7th pin catcher machine adaptor union; 8th, the 9 pin free time; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
5, according to the said car handsfree universal handle of claim 1 circuit, it is characterized in that: in this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, serial connection one voltage stabilizer in this circuit; The 2nd pin free time; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; 6th, 7, the 8 pin free time; The 9th pin is that the on-hook interface links to each other with the on-hook interface of mobile phone connector; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
6, according to the said car handsfree universal handle of claim 1 circuit, it is characterized in that: in this handset port adapter circuit, the common platform adaptor union: the 1st pin is that charge circuit links to each other with the charging inlet of mobile phone connector, wherein be connected in series the size of a control charging current and prevent the current-limiting resistance of battery discharge and non-return diode with; The 2nd pin free time; The 3rd pin is that voice output links to each other with the speech input interface of mobile phone connector, is connected to a low-pass filter circuit in this voice output circuit, and filtering is sent to high-frequency interferencing signal the sound signal of mobile phone from the common platform circuit, makes the receiving end speech clear mellow and full; The 4th pin is that the signaling interface of taking a seat links to each other with the signaling interface of taking a seat of mobile phone connector; The 5th pin is that speech input interface links to each other with the voice output interface of mobile phone connector, in speech iput circuit, be connected to a low-pass filter circuit, be sent to radio-frequency interference the sound signal of common platform circuit with filtering from mobile phone, make the receiving end speech clear mellow and full; 6th, 7, the 8 pin free time; The 9th pin is that the on-hook interface links to each other with the on-hook interface of mobile phone connector; The 10th pin links to each other with mobile phone ground interface, common platform circuit ground respectively.
7, according to claim 1 or 2 or 3 said car handsfree universal handle circuit, it is characterized in that: this double-pole on-off switch is that model is MC14053B four path analoging switch, is to be controlled by selection control; This selection control is a dry-reed tube.
8, according to the said car handsfree universal handle of claim 3 circuit, it is characterized in that: this amplifying circuit FA, FB, FC, FD are made of for the LM324 integrated amplifier model.
9, according to claim 1 or 2 or 3 said car handsfree universal handle circuit, it is characterized in that: this detection comparator is to be the integrated circuit of LM393 by model.
10, according to claim 1 or 2 or 3 said car handsfree universal handle circuit, it is characterized in that: this micro controller system is that model is the integrated circuit of 89C2051.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01275114 CN2515066Y (en) | 2001-12-03 | 2001-12-03 | Vehicle mounted hand carry free universal handle circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01275114 CN2515066Y (en) | 2001-12-03 | 2001-12-03 | Vehicle mounted hand carry free universal handle circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2515066Y true CN2515066Y (en) | 2002-10-09 |
Family
ID=33679593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01275114 Expired - Fee Related CN2515066Y (en) | 2001-12-03 | 2001-12-03 | Vehicle mounted hand carry free universal handle circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2515066Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211182B (en) * | 2006-12-30 | 2011-08-10 | 阿尔派株式会社 | Vehicle electronic equipment |
| CN103152069A (en) * | 2013-02-04 | 2013-06-12 | 北京纽曼腾飞科技有限公司 | Vehicle-mounted cellphone hydraulic servomotor |
| CN103559836A (en) * | 2013-11-19 | 2014-02-05 | 京东方科技集团股份有限公司 | Vehicle-mounted display terminal and system |
-
2001
- 2001-12-03 CN CN 01275114 patent/CN2515066Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101211182B (en) * | 2006-12-30 | 2011-08-10 | 阿尔派株式会社 | Vehicle electronic equipment |
| CN103152069A (en) * | 2013-02-04 | 2013-06-12 | 北京纽曼腾飞科技有限公司 | Vehicle-mounted cellphone hydraulic servomotor |
| CN103152069B (en) * | 2013-02-04 | 2015-10-21 | 北京纽曼腾飞科技有限公司 | A kind of vehicle carried mobile phone servomotor |
| CN103559836A (en) * | 2013-11-19 | 2014-02-05 | 京东方科技集团股份有限公司 | Vehicle-mounted display terminal and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101075828A (en) | Method for establishing connection between terminal and audio-frequency apparatus | |
| CN1299445C (en) | Radio network system and radio communication method | |
| US20070173293A1 (en) | Mobile phone hand-free extension device | |
| EP1606924A1 (en) | System and method for configuring a wireless communication system in a vehicle | |
| CN103200482A (en) | Solar charging-type Bluetooth headset and vehicle provided with same | |
| CN103200483A (en) | Bluetooth headset of capacitance distance sensing switch control and vehicle provided with headset | |
| CN203136125U (en) | A capacitive distance-sensed switching control Bluetooth earphone and a vehicle equipped with the earphone | |
| CN1450784A (en) | Telephone communication apparatus | |
| CN203151719U (en) | Solar rechargeable Bluetooth headset and vehicle provided with solar rechargeable Bluetooth headset | |
| CN103200484A (en) | Phototonus switching control Bluetooth headset and vehicle with same | |
| CN1852460A (en) | Wireless phone system | |
| CN2515066Y (en) | Vehicle mounted hand carry free universal handle circuit | |
| CN203136126U (en) | A photosensitive switching control Bluetooth earphone and a vehicle equipped with such Bluetooth earphone | |
| CN101605159A (en) | A kind of in-vehicle hand-free apparatus for mobile phone | |
| CN107547975A (en) | Switching method, system and the voice collector of voice-grade channel | |
| JP2003125069A (en) | Loudspeaker module linkable to earphone jack in cellular phone and control method of the loudspeaker module | |
| CN200981505Y (en) | Vehicle mounted communication device connector | |
| CN201278526Y (en) | Bluetooth earphone circuit | |
| KR100882675B1 (en) | Bluetooth system for vehicle having hands-free and data transmission | |
| US6400326B1 (en) | Antenna booster system for automobile | |
| CN2507212Y (en) | Noise-resistant vehicle-carried sound-controlled mobile telephone set | |
| CN2834040Y (en) | Automobile telephone compatible to the driver's mobile phone | |
| CN1592446A (en) | On-vehicle telephone device for automatically identifying and wireless connecting to mobile phone | |
| CN100477412C (en) | Connecting system of multiple device and method thereof | |
| CN2627761Y (en) | Computer connected master-slaver mode digital telephone system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |