CN1431603A - Personal digital assistant system possessing function of receiving FM broadcast - Google Patents

Personal digital assistant system possessing function of receiving FM broadcast Download PDF

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Publication number
CN1431603A
CN1431603A CN 03104160 CN03104160A CN1431603A CN 1431603 A CN1431603 A CN 1431603A CN 03104160 CN03104160 CN 03104160 CN 03104160 A CN03104160 A CN 03104160A CN 1431603 A CN1431603 A CN 1431603A
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China
Prior art keywords
broadcast program
broadcast
signal
program information
user
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Granted
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CN 03104160
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Chinese (zh)
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CN1221905C (en
Inventor
马惠群
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E Ten Information Systems Co Ltd
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E Ten Information Systems Co Ltd
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Priority to CN 03104160 priority Critical patent/CN1221905C/en
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Abstract

The PDA can receive FM broadcast and display in digital mode. The PDA includes following parts. The read only memory is utilized to store the fixed data such as application programs etc. The RAM stores the user's information. The radio frequency signal process device is used to receive and process the radio frequency signal. The central processing device is used to process the user's information. FM broadcast receiver is used to receive and process the FM broadcast signal. The display device outputs the received broadcast information in light energy form. The sound device outputs the received broadcast audio signal in sound form.

Description

Has the PDA system that receives the FM broadcast capability
(1) technical field
The present invention is that (Personal DigitalAssistant, PDA) system is particularly about a kind of PDA system that utilizes digital form to receive FM broadcasting about a kind of personal digital assistant of the FM of reception broadcasting.
(2) background technology
Along with the arriving of cyberage, (Personal Digital Assistant PDA) gradually becomes a kind of popular and necessary electronic product for personal electronic notebook device that is PDA system.So-called PDA system has following function: store personal data, visiting-card management, time management, individual stroke tracking setting and act summary etc., but the management of these data is for the modern fast demand that also can not satisfy the user of information transmission gradually, therefore develop again and to have electronic dictionary, stock market to report immediately and function such as formation transfer service, and if the function that receives broadcasting can be added in the PDA system, then its function will be more perfect.
In known reception broadcaster, its system architecture as shown in Figure 1, receiving antenna 101 receives the radio broadcast program signal that is transmitted by the broadcasting station, feed-in receives in the broadcasting integrated circuit 102, the carrier frequency specification data that has each broadcast program in the storer 103, gauge tap 104 is used for the cycling model selection radio station with up and down, and oscillator 105 provides central processing unit (CPU) 106 required oscillation frequency.Central processing unit 106 is obtained the carrier-frequency data that institute's desire receives broadcasting channel by storer 103, and will deliver to reception by the oscillation frequency that oscillator 105 provides according to these data and broadcast in the integrated circuit 102, receiving antenna 101 feed-ins are loaded with the radio signal of this broadcast program in receiving broadcasting integrated circuit 102, wireless signal is demodulated to audio signal is sent to loudspeaker or earphone 107, the user can appreciate this broadcast program.
The system architecture of general PDA system as shown in Figure 2, mask-type ROM (maskRead only Memory, mask ROM) the 201st wherein is used for that stocking system software and some are fixed and the data that can not change.When the user imports a signal 203 by outside nationality by user interface 202, by CPU (central processing unit) (Central Processing Unit, CPU) 204 read the stored system software of mask-type ROM 201, to handle information by 202 inputs of user interface.
Wherein if the user imports the input signal 203 at user interface 202 will use the data that original user stores the time, just by static RAM (Static Random Access Memory, SRAM) reading of data in 205, and handle the information that is obtained.If when only handling user's input signal 203, the system software that directly reads in the mask-type ROM 201 then by CPU (central processing unit) (CPU) 204, handle the information obtained, and with resulting information storage in static RAM (SRAM) 205.When the user desires to watch data, the information that CPU (central processing unit) 204 can will be stored in the static RAM 205 is taken out, and this information is sent to display device 206, by display device 206 information is shown to the user with the form of optics, display device 206 normally LCD (Liquid Crystal Display, LCD).
Because electronic product not only makes rapid progress, and the life cycle of electronics and IT products is shorter and shorter especially, electronic product function that must constantly increase, could allow the user use more easily, therefore, be necessary to increase again new function in PDA system, with abreast of the times trend.
(3) summary of the invention
Purpose of the present invention has the function that receives FM broadcasting for a kind of PDA system is provided.
Another object of the present invention is for providing a kind of PDA system, has with digital form to show the FM across-the-board, and selects the broadcasting channel being desired to listen to digital form.
Another purpose of the present invention has the function that recorded broadcast program was listened to and preengage in reservation for a kind of PDA system is provided.
(Personal Digital Assistant, PDA) device has the function that receives FM broadcasting to personal digital assistant provided by the present invention, shows the FM across-the-board with digital form, and has that reservation is listened to and the function of the broadcast program of pre-recording.Personal digital assistant device comprises following elements: ROM (read-only memory) is to be used to store the fixed data of personal digital assistant such as application program etc.; Random access memory is used to store user's information when user's input information; Central processing device is used for receiving and handling radio-frequency (RF) signal; Central processing unit is in order to handle user's information; The FM radio receiver is used to receive and handle the signal that FM broadcasts; Display device is exported the broadcast message that is received with the luminous energy form; Pronunciation device is to be used for exporting the broadcast audio signal that is received with the form of sound.
(4) description of drawings
Fig. 1 is the functional block diagram of traditional reception broadcaster;
Fig. 2 is the functional block diagram of traditional PDA system;
Fig. 3 shows the functional block diagram with the PDA system that receives the FM broadcast capability of the present invention;
To be that explanation is of the present invention have in the PDA system that receives the FM broadcast capability across-the-board that display shows to Fig. 4;
To be that explanation is of the present invention have in the PDA system that receives the FM broadcast capability Fig. 5, in selecting broadcast capability, comprises and select to listen to the process block diagram that program, reservation are listened to program and reservation package program.
(5) embodiment
(Personal Digital Assistant PDA), has the function of the broadcasting of receiving, and with digital form broadcast program table and broadcast program contents to the invention provides a kind of PDA system.This function will give the user greatest convenience, the user only need carry PDA system, except handling the personal information, and can preset the broadcast program or the broadcast program of pre-recording according to need, like this, not only save the space of carrying a radio-tape recorder more and more can not miss any inquisitive information.Especially, popular at present nationality is learned a language by broadcast program, but misses the opportunity of listening to sometimes because of carelessness, or the people the teaching material band outside and not, and this moment, PDA system of the present invention can solve above-mentioned all problems.
The invention provides a kind of PDA system, its system architecture wherein is to increase a FM radio receiver with general PDA system maximum different as shown in Figure 3, in order to receive the broadcast program radio signal of being launched by the broadcasting station.And native system is when receiving broadcast program, received by radio-frequency (RF) signal processing components 303 and the broadcast program contents data that are stored in random access memory 309 will be shown on the display device 313 in previous nationality, the user can be by the brief introduction of seeing broadcast program on the display 313 like this.Secondly, the user can retrieve all broadcast program data earlier before listening to, for example, want to listen to information specific, want to listen to specific singer or famous person interview, want to listen to specific program host's program etc., but all nationality by the native system inquiry and set the broadcast program desiring to listen to.
PDA system of the present invention, its system architecture as shown in Figure 3, wherein mask-type ROM (mask ROM) 300 is used to store some and fixes and the data that can not change, and the system software of native system and application software, when user's nationality is imported an input signal 311 by user interface 312, read application software or system software in the ROM (read-only memory) 300 by CPU (central processing unit) (CPU) 307, right Hou is handled the information that is obtained.
In general wireless telecommunication system, because the base station of different regions has different forms, so the signal of emission also has different forms, present employed signal form has two kinds, first POCSAG, another kind are FLEX, and the present invention also utilizes this wireless telecommunication system transmission data.In the preferred embodiment of the present invention, launch a radio-frequency (RF) signal 302 by platform 301 in the set time, via radio-frequency (RF) signal processing components 303 Hou of these radio-frequency (RF) signal 302 down conversion process is become fundamental frequency news 304, this baseband signal 304 is transferred to a decoding device 305, and become a digital signal 306 through decoding processing, right Hou transfers to CPU (central processing unit) 307 with this digital signal 306, CPU (central processing unit) 307 again will be after treatment internal digital data 308 be sent in the static RAM (SRAM) 309, with data storing in storer.The present invention is that nationality is planted transmission mode thus and transmitted data of the present invention, for example, and across-the-board and each broadcast program contents brief introduction etc.
User of the present invention interface 312 is to be the touch pressure plare on the LCD 313, broadcast program table in the display 313, as shown in Figure 4, when program that user's desire is selected to want to listen to, only need touch this shown program 401 of display 313, user's input signal promptly is sent to CPU (central processing unit) 307, after CPU (central processing unit) 307 is accepted this user's signal, promptly by reading application program in the ROM (read-only memory) 300, and startup FM radio receiver 310, receiving the radio broadcasting signal that is transmitted by the broadcasting station, and these radio signals are processed into audio signal are sent to a pronunciation device 314, the user can appreciate this broadcast program.When CPU (central processing unit) 307 starts FM radio receiver 310, also by the data that read this broadcast program in the random access memory 309, and these data are sent to display device 313, to show the programme content of this broadcast program, then the user can be also by the content outline or the detailed data that obtain on the display device 313 when time broadcast program when listening to this program.
Personal digital assistant device of the present invention also provides the user to preengage the function of broadcast listening program, the user need only be set at reservation function with the broadcast program of desiring to listen on the shown across-the-board of display 313, and set whether show this broadcast program data, when this programme time arrives, system of the present invention promptly starts FM radio receiver 310 automatically, like this, the user promptly can not miss and want the broadcast program listened to.The user utilizes the signal of user interface 312 input broadcast programmes appointments to give CPU (central processing unit) 307, CPU (central processing unit) 307 is temporary in this signal in the random access memory 309 after treatment, when subscription time arrives, CPU (central processing unit) 307 starts FM radio receiver 310 automatically, to receive the broadcast program that user's reservation is listened to, and nationality by the output audio signal to pronunciation device 314, the user is listened to the broadcast program of this reservation.Simultaneously, CPU (central processing unit) 307 utilizes display device 313 to show that this broadcast program data is to the user by reading this broadcast program data in the random access memory 309.
Secondly, personal digital assistant device of the present invention also provides the function of reservation recorded broadcast program, the user utilizes user interface 312 input signals, set a broadcast program and be the reservation recording, when Pgmtime arrives, system of the present invention promptly opens FM radio receiver 310 automatically, and CPU (central processing unit) 307 also is converted to digital signal with this broadcast program contents and is stored in the random access memory 309.When the user desired to listen to, CPU (central processing unit) 307 was again by reading in the random access memory 309, and was converted into audio signal by the form output of pronunciation device 314 with sound, and the user can listen to this program in anywhere, anytime like this.
Comprehensive the above, the disclosed individual digital that receives the FM broadcast capability that has helps the system of burying, and as shown in Figure 5, is shown in and selects in the broadcast capability, comprises to select to listen to the process block diagram that program, reservation are listened to program and reservation package program.At first, central processing device receives the broadcast program data 505 of being launched by platform, broadcast program data is stored in the random access memory 512 after treatment, function 500 when user's selective reception broadcasting, CPU (central processing unit) is promptly by reading application program in the ROM (read-only memory), and by reading broadcast program information in the random access memory, and the across-the-board of broadcast program data is shown on the display, its major function is as follows: retrieval specific broadcasting program 501, select broadcast program 502, reservation broadcast listening program 503, and reservation recorded broadcast program 504.
The user can retrieve specific broadcasting program data 501 earlier before listening to, for example, want to listen to information specific, want to listen to specific singer or famous person interview, want to listen to specific program host's program etc., but all nationality by the native system inquiry and set the broadcast program desiring to listen to.The user is if select broadcast listening program 502, and then CPU (central processing unit) starts FM radio receiver 506, and its audio signal is by the form output 508 of pronunciation device with sound, and the brief introduction nationality of this broadcast program is shown in user 507 by display with the luminous energy form simultaneously.
The user can preengage the broadcast program of desiring to listen to 503, when subscription time arrives, system starts FM radio receiver 509 automatically, and its audio signal is by the form output 508 of pronunciation device with sound, and the brief introduction nationality of this broadcast program is shown to user 507 by display with the luminous energy form simultaneously.Secondly, the user also can select to preengage recorded broadcast program 504, and when subscription time arrival, system starts FM radio receiver 510 automatically, and this broadcast program contents is stored in the random access memory 511, the user can in any time or the place listen to this broadcast program 508.System of the present invention is a quite convenient practical again PDA system for a busy modern in fact.
Though more than described preferred embodiment of the present invention, this preferred embodiment is not to be used to limit the present invention.Be familiar with the those of ordinary skill of present technique and also can make all equivalence variations or equivalence replacement according to disclosed spirit, the replacement of the variation of these equivalences or equivalence all should comprise within the scope of the invention.Therefore, scope of the present invention should be as the criterion with appended claim institute restricted portion.

Claims (23)

1. one kind has the formal assistant device of individual number that receives the FM broadcast capability, and the formal assistant device of this number comprises at least:
Central processing device produces the digital signal of a broadcast program information in order to the radio-frequency (RF) signal that receives a broadcast program information;
Read-only memory device stores an application program and the fixing setting data of this personal digital assistant device with what;
The user interface is in order to import user's information;
Random access storage device stores this user's information and this broadcast program information with what:
Central processing unit, be to read this application program in this read-only memory device to handle the digital signal of this broadcast program information with what, it is stored in this random access storage device of what, and handle this user's information, read this broadcast program information in this random access storage device, export this broadcast program information;
The FM broadcast receiver in order to receiving the broadcast program radio signals that launch in the specified broadcasting station of this broadcast program information, and produces the audio signal of a broadcast program;
Pronunciation device is used for exporting with the form of sound the audio signal of this broadcast program: and
Display device is in order to show this broadcast program information that central processing unit transmitted on this display device of what with the luminous energy form.
2. personal digital assistant device as claimed in claim 1 is characterized in that, described central processing device also comprises:
The radio-frequency (RF) signal processing components is the baseband signal that becomes a broadcast program information in order to the radio-frequency (RF) signal frequency reducing with this broadcast program information of receive: and
Demoder is to become the digital signal of a broadcast program information in order to the baseband signal of this broadcast program information is decoded, and this digital signal is sent to described central processing unit.
3. personal digital assistant device as claimed in claim 1 is characterized in that, described random access storage device is to be a static RAM.
4. personal digital assistant device as claimed in claim 1 is characterized in that, described central processing unit is to be a CPU (central processing unit).
5. personal digital assistant device as claimed in claim 1 is characterized in that, described read-only memory device is to be a mask-type ROM.
6. personal digital assistant device as claimed in claim 1 is characterized in that described broadcast program information comprises the brief introduction of across-the-board and each across-the-board.
7. personal digital assistant device as claimed in claim 1 is characterized in that, described display device is to be a LCD.
8. personal digital assistant device as claimed in claim 1 is characterized in that, described user interface is to pull for a touch pressure.
9. personal digital assistant device as claimed in claim 1 is characterized in that, the major function of described application program comprises:
The retrieval specific broadcasting program:
Select broadcast program;
Reservation broadcast listening program; And
The reservation recorded broadcast program.
10. one kind has the personal digital assistant device that receives the FM broadcast capability, it is characterized in that, comprises at least:
Central processing device is the radio-frequency (RF) signal that receives a broadcast message with what, produces the digital signal of a broadcast message;
Signal conditioning package is to receive the digital signal of this broadcast message with what, and stores the digital signal of this broadcast message, when the user imports user's information, then exports this broadcast message: and
The FM broadcast processing apparatus is the broadcast program radio signals that are used to receive the broadcasting channel of this broadcast message appointment, and the audio signal that produces a broadcast program is exported to the user.
Bury device 11. individual digital as claimed in claim 10 helps, it is characterized in that, described central processing device also comprises:
The radio-frequency (RF) signal processing components is the baseband signal that becomes a broadcast program information in order to the radio-frequency (RF) signal frequency reducing with this broadcast program information of receive; And
Demoder is to become the digital signal of a broadcast program information in order to the baseband signal of this broadcast program information is decoded, and this digital signal is sent to described central processing unit.
12. personal digital assistant device as claimed in claim 10 is characterized in that, described signal conditioning package also comprises:
Read-only memory device is to be used to store an application program and the fixing setting data of this personal digital assistant device;
The user interface is in order to import user's information;
Random access storage device is to store this user's information and this broadcast program information with what;
Central processing unit, be to be used for reading this application program of this read-only memory device to handle the digital signal of this broadcast program information, it is stored in this random access storage device, and handle this user's information, read this broadcast program information in this random access storage device, export this broadcast program information; And
Display device is in order to this broadcast program information that central processing unit transmitted is shown on this display device with the luminous energy form.
13. personal digital assistant device as claimed in claim 10 is characterized in that, described FM broadcast processing apparatus also comprises:
The FM broadcast receiver is in order to receiving the broadcast program radio signals that launch in the specified broadcasting station of this broadcast program information, and produces the audio signal of a broadcast program; And
Pronunciation device is the audio signal that is used for exporting with the form of sound this broadcast program.
14. personal digital assistant device as claimed in claim 12 is characterized in that, described random access storage device is to be a static RAM.
15. personal digital assistant device as claimed in claim 12 is characterized in that, described central processing unit is to be a CPU (central processing unit).
16. personal digital assistant device as claimed in claim 12 is characterized in that, described read-only memory device is to be a mask-type ROM.
17. personal digital assistant device as claimed in claim 10 is characterized in that, described broadcast program information comprises the brief introduction of across-the-board and each broadcast program.
18. personal digital assistant device as claimed in claim 12 is characterized in that, described display device is to be a LCD.
19. personal digital assistant device as claimed in claim 12 is characterized in that, described user interface is to be a touch pressure plare.
20. personal digital assistant device as claimed in claim 12 is characterized in that, the major function of described application program comprises:
The retrieval specific broadcasting program;
Select broadcast program;
Reservation broadcast listening program; And
The reservation recorded broadcast program.
21. a method of utilizing digital form to receive FM broadcasting, but and broadcast program information, this method comprises the following step at least:
Receive the radio-frequency (RF) signal of a broadcast program information;
Produce the digital signal of a broadcast program information;
Store the digital signal of this broadcast program information;
The across-the-board that shows this broadcast program information;
Import user's signal;
Utilize this user's signal to produce broadcast radio frequency data;
Receive the broadcast program radio signals of these broadcast radio frequency data;
Produce a broadcast program audio signal;
Export this broadcast program audio signal; And
Export this broadcast program information.
22. a method of utilizing digital form to receive FM broadcasting, but and broadcast program information and reservation listen to specific broadcasting program, this method comprises the following step at least:
Receive the radio-frequency (RF) signal of a broadcast program information;
Produce the digital signal of a broadcast program information;
Store the digital signal of this broadcast program information;
The across-the-board that shows this broadcast program information;
Import user's signal;
Utilize this user's signal to produce broadcast radio frequency data and time delay;
Arrive this time delay, receive the broadcast program radio signals of these broadcast radio frequency data;
Produce a broadcast program audio signal:
Export this broadcast program audio signal; And
Export this broadcast program information.
23. a method of utilizing digital form to receive FM broadcasting, but and broadcast program information and reservation recording specific broadcasting program, it is characterized in that this method comprises the following step at least:
Receive the radio-frequency (RF) signal of a broadcast program information;
Produce the digital signal of a broadcast program information:
Store the digital signal of this broadcast program information;
The across-the-board that shows this broadcast program information:
Import first user's signal;
Utilize this user's signal to produce broadcast radio frequency data and time delay;
Arrive this time delay, receive the broadcast program radio signals of these broadcast radio frequency data;
Store this broadcast program radio signals;
Import second user's signal;
Produce a broadcast program audio signal;
Export this broadcast program audio signal; And
Export this broadcast program information.
CN 03104160 2003-02-14 2003-02-14 Personal digital assistant system possessing function of receiving FM broadcast Expired - Fee Related CN1221905C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03104160 CN1221905C (en) 2003-02-14 2003-02-14 Personal digital assistant system possessing function of receiving FM broadcast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03104160 CN1221905C (en) 2003-02-14 2003-02-14 Personal digital assistant system possessing function of receiving FM broadcast

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CN1431603A true CN1431603A (en) 2003-07-23
CN1221905C CN1221905C (en) 2005-10-05

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100438351C (en) * 2005-01-14 2008-11-26 英华达(南京)科技有限公司 Method of displaying broadcast program information on digital electronic products
CN1956573B (en) * 2005-10-27 2010-06-16 三星电子株式会社 Apparatus and method of setting received broadcasting sound source data as functional sound of mobile phone
CN107800499A (en) * 2017-11-09 2018-03-13 周小凤 A kind of radio programs broadcast control method
CN109768840A (en) * 2017-11-09 2019-05-17 周小凤 Radio programs broadcast control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100438351C (en) * 2005-01-14 2008-11-26 英华达(南京)科技有限公司 Method of displaying broadcast program information on digital electronic products
CN1956573B (en) * 2005-10-27 2010-06-16 三星电子株式会社 Apparatus and method of setting received broadcasting sound source data as functional sound of mobile phone
CN107800499A (en) * 2017-11-09 2018-03-13 周小凤 A kind of radio programs broadcast control method
CN109768840A (en) * 2017-11-09 2019-05-17 周小凤 Radio programs broadcast control system

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