CN2708596Y

CN2708596Y - A double-channel handset

Info

Publication number: CN2708596Y
Application number: CNU032717784U
Authority: CN
Inventors: 卢伟平
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-02
Filing date: 2003-07-01
Publication date: 2005-07-06
Anticipated expiration: 2013-07-01

Abstract

The utility model relates to a double-channel handset belonging to communicating electronic products. The utility model is composed of two sets of independent handset functional units, a shared earpiece, a microphone, a ringer, a connecting circuit of an additional microphone, a shared keyboard, a display screen, a connecting circuit of an electronic switching switch, a connecting circuit of shared main power source, a double-barrel external antenna and an audiofrequency transformer arranged between the two units. The product has simple preparation process, small volume and easy operation. Two personal identification cards can be inserted in the handset, and the two handset numbers can be changed randomly. Simultaneously, two communication channels which occupy the systems of GSM or CDMA, 3G, etc. can be searched when the handsets are powered on. The new function that one handset having double cards, double numbers and double molds, the network talking of two parties, three parties and plural parties, and the connection of others' talking are realized.

Description

A kind of double-channel mobile phone

Technical field: the utility model relates to a kind of double-channel mobile phone of communication electronic product, is a kind of improvement to existing mobile phone.

Background technology: production both at home and abroad at present and the mobile phone that uses are the single channel mobile phone that a communication channel that can only take GSM or systems such as CDMA, 3G simultaneously carries out both sides' conversation, a this machine one card (SIN card) mobile phone exists following shortcomings and inconvenience, the user can only move a cell-phone telephone number with oneself, phone-holder's incoming call must connect or rejection, does not have privacy number right to choose; Can not use the Subscriber Identity Module of two different characteristics and expenses standard simultaneously; Can not independently realize three parts, networking conversation and be connected other people conversation in many ways, these shortcoming and defect are resolved in the patent of application number: ZL01209077.8.But this patent is also being deposited: 1, shared receiver, microphone, ringer, exterior antenna, power supply connecting circuit are to connect indirectly by 5 pairs of contacts; 2, adopt two cover keyboard and display screens; 3, a shared exterior antenna.Its shortcoming is: the electric wave of manufacturing process complexity, waste material, complicated operation trouble, generation interferes with each other.4, adopted an additional microphone, be placed in the receiver resonator, when the speech sound signal in the receiver being passed through additional microphone parallel circuits respectively after A system and the emission of B secondary system, can hear the echo of oneself speaking with the second party and the third party people of phone-holder's conversation, while is tight inadequately owing to additional microphone combines with receiver, causes second party and third party's speech exchange sound less than normal.

Summary of the invention: the purpose of this utility model is to overcome above-mentioned shortcoming, an a kind of shared keyboard and display screen are provided, circuit indirectly connects and changes direct connection into, and antenna is the twin columns body antenna, and has increased the double-channel mobile phone of two audio converters and an additional receiver, an additional microphone.The purpose of this utility model is achieved in that it is by two shared keyboard, display screen, the electronic switch connecting circuits that overlap between cell-phone function device independently (refer to possess separately three parts of radio frequency, audio frequency/logic and output, input, interface) and two cover functional devices (hereinafter to be referred as A device, B device); Shared main power source connecting circuit; Audio converter between twin columns external body antenna and the stream oriented device, additional receiver, additional microphone, shared ringer connecting circuit assemble.Shared keyboard, display screen, electronic switch connecting circuit by: be arranged on the keyboard output end (22) of A device, display screen output (23) connects the A device respectively through electronic switch KEYSW keyboard input pin KEYBOARD (24), the keyboard input pin KEYBOARD (26) of display screen output pin LCD (25) and B device, display screen output pin LCD (27) reaches A, B device and switches the purpose of using same set of operation keyboard and display screen.Connecting circuit also can adopt alternate manner to connect indirectly between above-mentioned A, B stream oriented device.Shared main power source connecting circuit by: main battery contact (1) VIBRATOR+ that is arranged on the A device connect respectively A device electric power system send electric pin (17)+and B device electric power system send electric pin (18)+.Main battery contact (2) BATTER+ connect respectively A device power switch PWRSW1 to another road electric power system send electric pin (15)+and B device power switch PWRSW2 to electric power system send electric pin (16)+.Main battery (3) TYP is the battery detecting end, connects A device electric power system and detects pin (21).Main battery contact (4) is earth terminal BATTERY-, connect respectively A device electric power system pin (19)-and B device electric power system pin (20)-.The A device is provided with the external power source interface, and external power supply DCIN directly connects the power supply-charging system of A device.Twin columns external body antenna is by two semicylinders that metal material is made, the centre is separated with insulating material, form a cylinder (8-1), its diameter and length should meet the ratio requirement of outer handset antenna function of use, its underpart can engage with handset with known technology, and two semicylinder antenna ANT1-2 are connected with duplexer ANTSW1, the ANTSW2 of A, B device respectively.Audio converter is opposed by a microphone and a receiver, and the dottle pin that is provided with a flexible material of sound-absorbing is therebetween made.Audio converter between stream oriented device, additional receiver, additional microphone, common ringer connecting circuit is by the receiver SPK1 that is arranged on the A device, the corresponding positive and negative input pin of receiver that connects the audio converter DAC1 of audio frequency/logic system microphone output pin SPK+ (3)-(4) of A device and B device respectively, the positive and negative output pin of the microphone of transducer DAC1 connects the positive and negative output pin of the additional microphone MIC2 correspondence of microphone MIC input pin+(13)-(14) of audio frequency/logic system of B device and B device respectively, the microphone MIC1 of A device setting connects the corresponding positive and negative output pin of microphone of the audio converter DAC2 of microphone input pin MIC+ (11)-(12) of audio frequency/logic system of A device and B device respectively, the positive and negative pin of the positive and negative input of the receiver of transducer PAC2 connects the positive and negative input pin of additional receiver SPK2 correspondence of B device and receiver output pin SPK+ (5)-(6) of audio frequency/logic system respectively, the ringer BUZZ that is arranged on the A device connects audio frequency/logic system ringer output pin BUZZ+ (9)-(10) of the audio frequency of A device/logic system ringer output pin BUZZ+ (7)-(8) and B device respectively, and above-mentioned A also can take alternate manner to be connected indirectly with the connecting circuit between the B stream oriented device.This product has overcome the shortcoming of existing mobile phone, with original common receiver, microphone, ringer, exterior antenna, power supply connecting circuit, changes direct connection into by the contact connection, reduced volume, and manufacturing process is simple.Originally adopt two cover keyboards and display screen to change a shared cover keyboard and a display screen into, mobile phone operation is simple, easy to be grasped, and twin columns body insulated antenna electric wave does not have the phase mutual interference.Particularly second party and third party's speech sound signal are separated Secondary Emission, produced the second party and the third party that converse with the phone-holder and can't hear the echo of oneself speaking, the new technique effect that the sound of speech exchange simultaneously increases by two audio converters.

Description of drawings:

Accompanying drawing 1 is the circuit diagram of the utility model double-channel mobile phone.

Accompanying drawing 2 is electrical block diagrams of the utility model double-channel mobile phone.

Accompanying drawing 3 is circuit block diagrams of the utility model double-channel mobile phone.

Accompanying drawing 4 is package assembly schematic diagrames of the utility model double-channel mobile phone A, B device.

1-receiver, 2-display screen, 3-keyboard

4-microphone, 5-external power supply, 6-main battery

7-audio converter, 8-twin columns external body antenna

Accompanying drawing 5 is front keyboard schematic diagrames of the utility model double-channel mobile phone.

9-AB keyboard of device display screen switch key, 10-B device sending and receiving key

11-B device start key, 12-A device start key

13-A device sending and receiving key 14-microphone, 1 14-2 microphone 2

Accompanying drawing 6 is structural representations of the twin columns external body antenna of the utility model double-channel mobile phone.

8-1-outer cap 8-3-the fixed screw of metal cartridge 8-2-insulation

8-4-connect B device contact 8-5-connect A device contact

Accompanying drawing 7 is audio converter structural representations of a kind of double-channel mobile phone of the utility model.

7-1-microphone 7-2-dottle pin 7-3-receiver

Accompanying drawing 8 is networking conversation schematic diagrames of the utility model double-channel mobile phone.

Embodiment: describe most preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing: this double-channel mobile phone is by two shared keyboard, display screen, the electronic switch connecting circuits that overlap between cell-phone function device independently (refer to possess separately three parts of radio frequency, audio frequency/logic and output, input, interface) and two cover functional devices (hereinafter to be referred as A device, B device); Shared main power source connecting circuit; Audio converter between twin columns external body antenna and the stream oriented device, additional receiver, additional microphone, shared ringer connecting circuit are adorned and are formed.Shared keyboard, display screen, electronic switch connecting circuit by: keyboard output end (22) the display screen output (23) that is arranged on the A device connects the keyboard input pin KEYBOARD (24) of A device respectively through electronic switch KEYSW, the keyboard input pin KEYBOARD (26) of display screen output pin LCD (25) and B device, display screen output pin LCD (27) reaches A, B device and switches the purpose of using with-cover operation keyboard and display screen.Connecting circuit also can adopt alternate manner to connect indirectly between above-mentioned A, B stream oriented device.Shared main power source connecting circuit by: main battery contact (1) VIBRATOR+ that is arranged on the A device connect respectively A device electric power system send electric pin (17)+and B device electric power system send electric pin (18)+.Main battery contact (2) BATTER+ connect respectively A device power switch PWRSW1 to another road electric power system send electric pin (15)+and B device power switch PWRSW2 to electric power system send electric pin (16)+.Main battery (3) TYP is the battery detecting end, connects A device electric power system and detects pin (21).Main battery contact (4) is earth terminal BATTERY-, connect respectively A device electric power system pin (19)-and B device electric power system pin (20)-.The A device is provided with the external power source interface, and external power supply DCIN directly connects the power supply-charging system of A device.Twin columns external body antenna is by (as shown in Figure 6): two semicylinders that metal material is made, the centre is separated with insulating material, form a cylinder (8-1), its diameter and length should meet the ratio requirement of outer handset antenna function of use, its underpart can engage with handset with known technology, and two semicylinder antenna ANT1-2 are connected with duplexer ANTSW1, the ANTSW2 of A, B device respectively.Above-mentioned double-channel mobile phone also can adopt two separate type outside column body antennas or two built-in antenna settings, and can use known radio wave shield technology.Audio converter as shown in Figure 7, it is opposed by a microphone 7-1 and a receiver 7-3, the dottle pin 7-2 that is provided with a flexible material of sound-absorbing therebetween makes.Audio converter between stream oriented device, additional receiver, additional microphone, shared ringer connecting circuit by: equipment is at the receiver SPK1 of A device, the corresponding positive and negative input pin of receiver that connects the audio converter DAC1 of audio frequency/logic system microphone output pin SPK+ (3)-(4) of A device and B device respectively, the positive and negative output pin of the microphone of transducer DAC1 connects the positive and negative output pin of the additional microphone MIC2 correspondence of microphone MIC input pin+(13)-(14) of audio frequency/logic system of B device and B device respectively, the microphone MIC1 of A device setting connects the corresponding positive and negative output pin of microphone of the audio converter DAC2 of microphone input pin MIC+ (11)-(12) of audio frequency/logic system of A device and B device respectively, the positive and negative pin of the positive and negative input of the receiver of transducer PAC2 connects the positive and negative input pin of additional receiver SPK2 correspondence of B device and receiver output pin SPK+ (5)-(6) of audio frequency/logic system respectively, the ringer BUZZ that is arranged on the A device connects the audio frequency/logic system of A device respectively, BUZZ+ (9)-(10) of the audio frequency of ringer output pin BUZZ+ (7)-(8) and B device/logic system ringer output pin.The connecting circuit of above-mentioned A and B stream oriented device also can take alternate manner to be connected indirectly.At first be respectively charged into two SIM cards in the SIM card receptacle of A, B device during use, open A device mains switch, main battery send electricity to the A device, if use the A device separately this moment, promptly can be used for single channel both sides conversation.If B device mains switch is opened, main battery send to the B device simultaneously again.A, B device are started shooting simultaneously at this moment, can realize the called purposes of a machine two card even numbers standby.Keyboard, display screen are communicated with the A device at this moment, can be used for normal both sides' caller, incoming call.If the tinkle of bells and incoming call indicator light prompting B device are called, can use keyboard AB key that keyboard, display screen functions are switched to the B device, for its use.If carry out Three-Way Calling, can at first use a device caller first party among A, the B, press the AB key again and switch keyboard, display screen, use another device caller second party, the connecting circuit of A, B device makes the shared cover receiver of stream oriented device, microphone at this moment, makes phone-holder's while and first party and second party talk.And be arranged on additional microphone MIC in the A device receiver resonator ₂The sound of first party and second party can be received and launch respectively again, make first party and second party reach the purpose of talk, realize Three-Way Calling (as figure one to five) by A, B system.If hold the utility model mobile phone more than two people, can realize double-channel mobile phone of every increase, the side's that just can connect network type conversation more.As: the Party B agrees to use the double-channel mobile phone, just can keep conversation with A device and Party A, opens B device and the third party again and connects, the third party is participated in, realize tripartite networking conversation,, can re-use the B device too and connect in fourth side's participation networking conversation (as figure eight) if the third party also uses this mobile phone.If the phone-holder Party A uses the A device to put through the Party B, re-use the B device and put through the third party, just can connect Party B and the third party, by Party A's double-channel mobile phone communication, connect other people conversation, oneself also can monitor or participate in conversation, realized two cards, even numbers, bimodulus.

Claims

1, a kind of double-channel mobile phone, it overlaps independently cell-phone function device by two, refer to that three systems of radio frequency, audio frequency/logic and output, input, interface that possess separately form and two cover functional devices, the shared keyboard between A device, B device, display screen, electronic switch connecting circuit; Shared main power source connecting circuit; Audio converter between twin columns external body antenna and the stream oriented device, additional receiver, additional microphone, shared ringer connecting circuit assemble, it is characterized in that: shared keyboard, display screen, electronic switch connecting circuit by: be arranged on the keyboard output end (22) of A device, display screen output (23) connects the A device respectively through electronic switch KEYSW keyboard input pin KEYBOARD (24), the keyboard input pin KEYBOARD (26) of display screen output pin LCD (25) and B device, display screen output pin LCD (27).

2, a kind of double-channel mobile phone according to claim 1, it is characterized in that: shared main power source connecting circuit by: main battery contact (1) VIBRATOR+ that is arranged on the A device connect respectively A device electric power system send electric pin (17)+and B device electric power system send electric pin (18)+, main battery contact (2) BATTER+ connect respectively A device power switch PWRSW1 to another road electric power system send electric pin (15)+and B device power switch PWRSW2 to electric power system send electric pin (16)+, main battery (3) TYP is the battery detecting end, connect A device electric power system and detect pin (21), main battery contact (4) is earth terminal BATTERY-, connect respectively A device electric power system pin (19)-and B device electric power system pin (20)-, the A device is provided with the external power source interface, and external power supply DCIN directly connects the power supply-charging system of A device.

3, a kind of double-channel mobile phone according to claim 1, it is characterized in that: twin columns external body antenna is by two semicylinders that metal material is made, the centre is separated with insulating material, form a cylinder, its diameter and length should meet the ratio requirement of outer handset antenna function of use, its underpart can engage with handset with known technology, and two semicylinder antenna ANT1-2 close ANTSW1, ANTSW2 with the antenna sky of A, B device respectively and are connected.

4, a kind of double-channel mobile phone according to claim 1 is characterized in that: audio converter is opposed by a microphone and a receiver, and the dottle pin that is provided with a sound-absorbing elastomeric material is therebetween made.

5, a kind of double-channel mobile phone according to claim 1, it is characterized in that: the audio converter between stream oriented device, additional receiver, additional microphone, shared ringer connecting circuit is by the receiver SPK1 that is arranged on the A device, the corresponding positive and negative input pin of receiver that connects the audio converter DAC1 of audio frequency/logic system microphone output pin SPK+ (3)-(4) of A device and B device respectively, the positive and negative output pin of the microphone of transducer DAC1 connects the positive and negative output pin of the additional microphone MIC2 correspondence of microphone MIC input pin+(13)-(14) of audio frequency/logic system of B device and B device respectively, the microphone MIC1 of A device setting connects the corresponding positive and negative output pin of microphone of the audio converter DAC2 of microphone input pin MIC+ (11)-(12) of audio frequency/logic system of A device and B device respectively, the positive and negative pin of the positive and negative input of the receiver of transducer PAC2 connects the positive and negative input pin of additional receiver SPK2 correspondence of B device and the receiver output pin SPK+ (5)-6 of audio frequency/logic system respectively, and the ringer BUZZ that is arranged on the A device connects audio frequency/logic system ringer output pin BUZZ+ (9)-(10) of the audio frequency of A device/logic system ringer output pin BUZZ+ (7)-(8) and B device respectively.