CN1217105A - Cellular phone adaptor - Google Patents
Cellular phone adaptor Download PDFInfo
- Publication number
- CN1217105A CN1217105A CN97194156A CN97194156A CN1217105A CN 1217105 A CN1217105 A CN 1217105A CN 97194156 A CN97194156 A CN 97194156A CN 97194156 A CN97194156 A CN 97194156A CN 1217105 A CN1217105 A CN 1217105A
- Authority
- CN
- China
- Prior art keywords
- analog
- signal
- digital
- cellular phone
- transmitter
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
- H04M1/6041—Portable telephones adapted for handsfree use
Abstract
A cellular phone adaptor (10) for compatible communication between a cellular phone (11, 12) and a cellular phone external device is disclosed. The cellular phone is either an analog cellular phone (11) having a transmitter and a receiver arranged to receive and transmit analog signals or a digital cellular phone (12) having a transmitter and a receiver arranged to receive and transmit digital signals. The adaptor (10) comprises an input connector (13) to which the cellular phone (11, 12) is connected, an output connector (14) which is connected to the external device and signal processing means to convert the transmitter analog signals or the transmitter digital signals from the analog or digital cellular phone (11, 12) connected at the input connector. The transmitter analog signals or transmitter digital signals are converted into a preset signal being provided to the output connector (14) and is compatible with the external device. The signal processing means is arranged to convert a signal received form the external device (14) into a preset analog signal or a preset digital signal compatible with the receivers of the analog or the digital cellular phone (11, 12) respectively. The preset analog signal or preset digital signal is selected from a number of preset signals corresponding to different signals associated with a number of different analog or digital cellular phones. Power supply means is connected to supply power to the analog or digital cellular phone (11, 12) connected to the adaptor (10) at the input connector (13) according to its particular power requirements.
Description
The present invention relates to cell phone, relate in particular to the cellular phone adaptor that is connected that is used between cell phone and the honeycomb external equipment such as hands-free kits or similar devices.
Background of the present invention
At present, incompatible as the cell phone of the external equipment of cellular hands-free operation instrument that is used for variety classes or model and so on and other kind or model.This situation is because there are difference in the intensity of the analog signal that the cell phone of variety classes or model sends and receives and the form of digital signal, what disunity caused.
Once suggestion utilization utilized the cell phone external equipment of acoustic link to overcome this problem between cell phone and its external equipment.The shortcoming of these suggestions is: the link based on " acoustical coupling " is very responsive to acoustics " noise ".The appearance of acoustic noise has hindered the many useful performance relevant with external equipment, and " broadcasting " or " calling " during as the use hands-free kits is because these performance needs are electrically connected.
It is believed that needs a kind of cellular phone adaptor that is connected that be used between cell phone and the honeycomb external equipment such as hands-free kits or similar devices, and it can make the cell phone of variety classes or model be connected on the external equipment.This will allow cellular telephone subscribers to use his particular types or the cell phone of model on the incompatibility hands-free kits.
Although above and following explanation relates generally to cellular hands-free kits, the present invention not necessarily is confined to this.The present invention can expand on other telecommunication installation and equipment and the similar equipment, makes different non-standard signal compatibilities.
Purpose of the present invention
Therefore, the purpose of this invention is to provide a cellular phone adaptor that can overcome or improve the problems referred to above substantially that is connected that is used between cell phone and its external equipment.Purpose of the present invention provides a kind of substitute of known cellular phone adaptor at least.
Of the present invention open
According to an aspect of the present invention, a kind of cellular phone adaptor that is used for compatible communication between cell phone and the cell phone external equipment is provided, described cell phone or have and be used to receive and send the transmitter of analog signal and the analog cellular telephone of receiver, or have and be used to receive and send the transmitter of digital signal and the digital cellular telephone of receiver, described adapter comprises input connector, out connector and signal processing apparatus, wherein, cell phone is connected on the input connector, described external equipment is connected on the out connector, signal processing apparatus is used for changing being connected the described simulation on the described input connector or the described transmitter analog signal or the described transmitter digital signal of described digital cellular telephone, after being converted into prearranged signals, described transmitter analog signal or described transmitter digital signal offer described out connector, it and described external equipment compatibility, the signal that described signal processor is used for receiving from described external equipment converts predetermined analog signal or the predetermined digital signal that is suitable for analog or digital formula cell phone receiver respectively to, described predetermined analog signal or predetermined digital signal are selected from some prearranged signalss corresponding to unlike signal, these unlike signals are relevant with many different analog or digital formula cell phones, in order power supply to be provided for the described analog or digital formula cell phone that on input connector, is connected, inserted supply unit with described adapter according to its specific power requirement.
Brief description of drawings
Now with reference to description of drawings one embodiment of the present of invention, in the accompanying drawing:
Fig. 1 is the schematic block diagram of the cellular phone adaptor of preferred embodiment;
Fig. 2 is the schematic block diagram that is connected to the cellular phone adaptor shown in Figure 1 on the improved automobile wireless receiver.
Preferred forms of the present invention
The cellular phone adaptor 10 of the preferred embodiment of the present invention is for using with all honeycomb external equipments that if can be used in so-called hands-free kits (not drawing) on automobile or the similar devices and so on.Cellular phone adaptor 10 is connected on the external equipment, thereby can connect any cell phone for use.No matter cell phone is operated on the analog network or is operated on the digital network, and situation is not always the case.As shown in Figure 1, for ease of explanation, cell phone is called as analog cellular telephone 11 and digital cellular telephone 12 here.
As shown in Figure 1, if cell phone is an analog cellular telephone 11, just it is connected on the adapter 10 by input connector 13 so.Its transmitter (TX) is connected on first analog processor 15, and first analog processor 15 is connected on the out connector 14, and out connector 14 is connected on the external equipment successively.First analog processor 15 is the citation form of analog signal amplifier/attenuator, according to the analog signal from analog cellular telephone 11 that receives at its input.Produce the predetermined value analog signal of revising at its output, these signals are provided for external equipment then.
The receiver of analog cellular telephone 11 (RX) is connected on second analog processor 16, and second analog processor 16 is connected on the out connector 14 successively.Second analog processor 16 is handled by second analog processor 16 from the analog signal that external equipment receives by out connector 14, and second analog processor 16 also is the citation form of analog signal amplifier/attenuator.The analog signal that the input of second analog processor 16 receives is carried out modification, and the analog signal that makes its output offer the receiver RX of analog cellular telephone 11 is particular types or model analog cellular telephone 11 desired predetermined values.
Control circuit 21 is according to from first and second analog processors 15 and 16 control signals that receive the two being controlled.Control circuit selector 22 is used to select parameter, regulates the analog signal that the work of first and second analog processors 15 and 16 produces and the work of adapter 10 is complementary thereby these parameters are used for control circuit 21.
Control circuit 21 preferably includes the microprocessor of band control circuit selector 22, and control circuit selector 22 preferably can enough variety classeses and the nonvolatile memory of the desired data programing of analog-and digital-formula cell phone of model.Thereby selector 22 is according to adapter 10 and resemble the kind of the analog cellular telephone 11 that the external equipment of hands-free kits and so on uses and the work that model makes control circuit 21 control first and second analog processors 15 and 16.Must be according to the kind and the model change selector 22 of analog telephone 11.They can use with the adapter 10 of the preferred embodiment of the present invention in control circuit 21 and the selector 22 thereby the data of the phone of various variety classeses and model can be loaded into.Can use other circuit, thereby select the operation of control circuit 21 to control the work of first and second analog processors 15 and 16 as EPROMS, programmable switch such as the switches set of the combination selection that is arranged on the on/off contact in the switches set by change.The logic state (low/height) of the calling/broadcast singal of analog cellular telephone 11 generations can be because of cellular kind or model difference in use when analog cellular telephone 11.Therefore as shown in Figure 1, the calling of analog cellular telephone 11/broadcasting output (C/O) is connected on the control circuit 21, control circuit 21 with received signal be programmed or compare with the logic state that the selection of selector 22 is loaded in the control circuit 21.If calling/broadcast singal Be Controlled circuit 21 detects, just calling/broadcast singal is outputed on the out connector 14 from control circuit 21 so.This be provided for external equipment calling/broadcast singal logic state always with for the selected state of work of adapter 10 identical.Thereby when external equipment receives call signal, in order to make adapter 10 with this selecteed logic state of specific analog cellular telephone 11 needs of work.
As shown in Figure 1, if cell phone is a digital cellular telephone 12, just it is connected on the adapter 10 by input connector 13 so.The transmitting terminal TX of digital cellular telephone 12 is connected on the D/A 17, and D/A 17 is connected on first analog processor 15 that is connected with out connector 14 as mentioned above successively.The digital signal that DAC 17 receives is converted into analog signal, is revised by above-mentioned first analog processor then.Control circuit 21 is controlled the number format of DAC 17 according to the also selected device 22 selected data that are loaded into its inside by the control signal that receives from DAC 17.The number format of DAC 17 be complementary by digital cellular telephone 12 received digital signals.
The receiving terminal RX of digital cellular telephone 12 is connected on the A/D converter 18, and A/D converter 18 is connected on second analog processor 16 that is connected with out connector 14 as mentioned above successively.The analog signal that external equipment receives is handled by above-mentioned second analog processor 16, is provided for ADC 18 then, and ADC 18 converts it to the digital signal compatible with the receiver RX of digital cellular telephone 12 again.The control circuit 21 that the work of the ADC 18 and second analog processor 16 is selected by above-mentioned selector 22 is controlled so that digitally encoded signal is suitable for digital cellular telephone 12.
One that shows adapter 10 and analog or digital cell phone 11 and 12 is used example, wherein, thereby can connection adaptor 10 on the improved automobile wireless equipment 30 can connect simulation or digital cellular telephone 11 or 12, make them resemble the hands-free kits external equipment as improved autocar radio installation 30.Improved autocar radio installation 30 can be made or be contained in the automobile, automobile just has the hands-free working equipment of inner cell phone like this, this equipment is programmable, can think that any amount of variety classes of usefulness or the cell phone of model work with the user.
Fig. 2 shows the block diagram of the improved autocar radio installation 30 that is connected to adapter 10 and analog or digital formula cell phone 11 or 12.Improved autocar radio installation 30 comprises the optional feature of representing with frame of broken lines 31.This optional feature 31 comprises level detector 32, amplifier of microphone 33 and relay driver 34.Additional microphone 35 also is provided when using the on/off switch 36 of autocar radio installation 30.Improved autocar radio installation 30 also comprises relay 37, tuner 38, intermediate frequency amplifier 39, is with a pair of low frequency amplifier 40 and 41 of respective speaker 42 and 43.
Resemble from the signal of the transmitter TX of analog or digital formula cell phone 11 and 12 and to handle by adapter 10 noted earlier, be provided for level detector 32 then, offer relay 37 by level detector 32 again.Level detector 32 is used to control the gain of amplifier of microphone 33 and reduces sound feedback.Thereby relay 37 is connected on the LF amplifier 40 and is connected on the loud speaker 42.Microphone 35 is connected to the input of amplifier of microphone 33, the corresponding analog signal of the sound that 33 pairs of microphones 35 of amplifier of microphone receive amplifies, and this signal is input on adapter 10 and analog or digital formula cell phone 11 or 12 sends.
Calling/the broadcast singal of analog or digital formula cell phone 11 or 12 outputs is received on the adapter 10, leads on the relay driver 34 from adapter 10 again, and relay driver 34 is used for control relay 37 on request.The signal that receives from the receiver of analog or digital formula cell phone 11 or 12 is provided for LF amplifier 40 and loud speaker 42, and the user just can hear the sound in the improved wireless device 30 like this.As long as relay driver 34 drives relays 37, just always provide electric energy by passing the Vcc end that is numbered 3 and 4 contact.LF amplifier 40 this means when relay 37 is driven, always will also be like this even wireless device is switched off in work.Certainly, if excise the electric energy of improved autocar radio installation 30, it will not worked so.Be numbered 5 and 6 contact in the relay 37 and close the preamplifier (not drawing) of LF amplifier 40 and 41 so that only just obtain amplifying and can from loud speaker 42, hearing from being connected to analog or digital formula cell phone 11 on the adapter 10 or 12 signal.Be preferably in the signal path through the contact 2 of relay 37 and use filter (not drawing) to suppress to be amplified to about 1 watt power level in order to reduce sound feedback and echoing greater than the frequency of 3.4KHz with signal.
Several embodiments of the present invention below only have been described, concerning the skilled person in present technique field, obviously can have made change within the scope of the invention.
For example, serial port connector with serial-port communication equipment of band modem feature can be introduced adapter circuit, thereby can the external equipment that computer, tester etc. has serial communication device (to RS 232) be connected on the cell phone by this adapter.
Claims (8)
1, a kind of cellular phone adaptor that is used for the compatible communication between cell phone and the cell phone external equipment, described cell phone or have and be used to receive and send the transmitter of analog signal and the analog cellular telephone of receiver, or have and be used to receive and send the transmitter of digital signal and the digital cellular telephone of receiver, described adapter comprises input connector, out connector and signal processing apparatus, cell phone is connected on the input connector, described external equipment is connected on the out connector, signal processing apparatus is used for changing from being connected the described simulation on the described input connector or the described transmitter analog signal or the described transmitter digital signal of described digital cellular telephone, after being converted into prearranged signals, described transmitter analog signal or described transmitter digital signal offer described out connector, it and described external equipment compatibility, the signal that described signal processing apparatus is used for receiving from described external equipment converts predetermined analog signal or the predetermined digital signal that is suitable for analog or digital formula cell phone receiver respectively to, described predetermined analog signal or predetermined digital signal are selected from some prearranged signalss corresponding to unlike signal, these unlike signals are relevant with many different analog or digital formula cell phones, in order electric energy to be provided for the described analog or digital formula cell phone that on input connector, is connected, inserted supply unit with described adapter according to its specific power requirement.
2, cellular phone adaptor according to claim 1, wherein, described signal processing apparatus comprises that at least one is used to handle the analog processor of the described signal that receives from the described transmitter analog signal of described analog cellular telephone with from described external equipment.
3, cellular phone adaptor according to claim 2, wherein, described signal processing apparatus also comprises D/A and A/D converter, D/A is used for before described at least one analog processor is handled the transmitter digital signal from described digital cellular telephone being changed, and A/D converter is to changing from the described processed signal that described external equipment receives from described at least one analog processor.
4, according to any described cellular phone adaptor in the claim 1 to 3, wherein, the control of controlled circuit of signal processing apparatus and selector, selector is selecteed according to cellular model and kind.
5, cellular phone adaptor according to claim 4, wherein, described control circuit comprises microprocessor.
6, cellular phone adaptor according to claim 4, wherein, described selector comprises programmable non-volatile memory.
7, cellular phone adaptor according to claim 4, wherein, described selector comprises switches set, by changing incompatible the making one's options of on/off set of locations of switches set.
8, according to any described cellular phone adaptor in the claim of front, wherein, described external equipment comprises the serial-port communication device of being with modem feature.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU47952/96A AU676977B1 (en) | 1996-03-08 | 1996-03-08 | Cellular phone adaptor |
| AU47952/96 | 1996-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1217105A true CN1217105A (en) | 1999-05-19 |
Family
ID=3734718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97194156A Pending CN1217105A (en) | 1996-03-08 | 1997-03-05 | Cellular phone adaptor |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0890228A4 (en) |
| JP (1) | JP2000506334A (en) |
| KR (1) | KR19990087732A (en) |
| CN (1) | CN1217105A (en) |
| AU (1) | AU676977B1 (en) |
| BR (1) | BR9709349A (en) |
| CA (1) | CA2248361A1 (en) |
| IL (1) | IL126330A0 (en) |
| NO (1) | NO984137L (en) |
| RU (1) | RU2146852C1 (en) |
| WO (1) | WO1997033384A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945016A (en) * | 2012-10-26 | 2013-02-27 | 天津津伯仪表技术有限公司 | Universal hybrid circuit for coders/potentiometers |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3200585B2 (en) * | 1998-02-10 | 2001-08-20 | 富士通株式会社 | Mobile phones and information communication adapters |
| US6615059B1 (en) * | 1999-01-27 | 2003-09-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Mobile terminal interface |
| ATE412310T1 (en) * | 1999-06-01 | 2008-11-15 | Ericsson Telefon Ab L M | ADAPTABILITY OF A HANDS-FREE SYSTEM FOR MULTIPLE ADDITIONAL DEVICES |
| KR100677074B1 (en) * | 1999-11-01 | 2007-02-01 | 삼성전자주식회사 | Apparatus for connecting multi-signal |
| KR20020003047A (en) * | 2000-06-30 | 2002-01-10 | 박순규 | External information display and input device terminal installation |
| WO2002058408A2 (en) | 2001-01-18 | 2002-07-25 | Peiker, Andreas | Assembly comprising a mobile telephone |
| US7248901B2 (en) | 2001-01-18 | 2007-07-24 | Andreas Peiker | Arrangement for handling a communication device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3806473A1 (en) * | 1988-03-01 | 1989-09-14 | Licentia Gmbh | MOBILE RADIO TELEPHONE |
| DE69218465T2 (en) * | 1991-01-11 | 1997-07-03 | Toshiba Kawasaki Kk | Adapter for supplying a portable radio telephone with voltage |
| US5479479A (en) * | 1991-10-19 | 1995-12-26 | Cell Port Labs, Inc. | Method and apparatus for transmission of and receiving signals having digital information using an air link |
-
1996
- 1996-03-08 AU AU47952/96A patent/AU676977B1/en not_active Ceased
-
1997
- 1997-03-05 IL IL12633097A patent/IL126330A0/en unknown
- 1997-03-05 JP JP9531253A patent/JP2000506334A/en active Pending
- 1997-03-05 CA CA002248361A patent/CA2248361A1/en not_active Abandoned
- 1997-03-05 CN CN97194156A patent/CN1217105A/en active Pending
- 1997-03-05 KR KR1019980707201A patent/KR19990087732A/en not_active Application Discontinuation
- 1997-03-05 WO PCT/AU1997/000130 patent/WO1997033384A1/en not_active Application Discontinuation
- 1997-03-05 EP EP97904937A patent/EP0890228A4/en not_active Withdrawn
- 1997-03-05 RU RU98118098A patent/RU2146852C1/en active
- 1997-03-05 BR BR9709349A patent/BR9709349A/en not_active Application Discontinuation
-
1998
- 1998-09-08 NO NO984137A patent/NO984137L/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945016A (en) * | 2012-10-26 | 2013-02-27 | 天津津伯仪表技术有限公司 | Universal hybrid circuit for coders/potentiometers |
Also Published As
| Publication number | Publication date |
|---|---|
| KR19990087732A (en) | 1999-12-27 |
| EP0890228A1 (en) | 1999-01-13 |
| CA2248361A1 (en) | 1997-09-12 |
| NO984137D0 (en) | 1998-09-08 |
| EP0890228A4 (en) | 1999-07-14 |
| NO984137L (en) | 1998-11-09 |
| RU2146852C1 (en) | 2000-03-20 |
| IL126330A0 (en) | 1999-05-09 |
| JP2000506334A (en) | 2000-05-23 |
| BR9709349A (en) | 1999-06-29 |
| AU676977B1 (en) | 1997-03-27 |
| WO1997033384A1 (en) | 1997-09-12 |
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