CN2473666Y - Radio receiving card for computer - Google Patents
Radio receiving card for computer Download PDFInfo
- Publication number
- CN2473666Y CN2473666Y CN 01218239 CN01218239U CN2473666Y CN 2473666 Y CN2473666 Y CN 2473666Y CN 01218239 CN01218239 CN 01218239 CN 01218239 U CN01218239 U CN 01218239U CN 2473666 Y CN2473666 Y CN 2473666Y
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- CN
- China
- Prior art keywords
- circuit
- radio reception
- computing machine
- computer
- card
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- 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
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Abstract
The utility model discloses a computer radio card, including a low frequency radio circuit installed at the circuit board, an audio enlarging circuit, a frequency regulation electronic switch circuit, an antenna adjustment circuit, a volume control circuit and an inner-inserted extending antenna, an loudspeaker, an AC power, a plate clamping fixation frame and an inserted jointing tube feet for a computer PCI groove. The card can use the computer, at the same time, receives the wireless broadcasting signal, and can make the multi-function control through the computer soft. The utility model takes advantages of low cost, convenient operation and strong function.
Description
The utility model belongs to a kind of computing machine auxiliary, particularly a kind of subsidiary function card that inserts on the computer motherboard bus slot.
Current, various microcomputers not only are widely used in scientific research, engineering design, business administration, office's document process, and go deep into domestic. applications more and more widely, as the aid of people's work, study and family life,, some also just arise at the historic moment so having multi-functional area of computer aided card.As teletext card, network interface card, sound card, game card etc., and the portable computer entertainment systems etc.But they can't satisfy people and utilize computing machine to receive the requirement of radio broadcasting signal, and particularly the receipts to the conventional wireless radio programmes connect, and some utilize the radio transmission system to carry out the reception of other carrier signals.Though utilizing home audio system to connect with computer network is feasible scheme, but at present two systems being formed neither be very convenient, particularly people wish and can realize the remote control of domestic sound system by network sometimes, when going out as the head of a family, always wish regularly to start home audio system for household safe, but its investment is bigger, and cost is very high, complicated operation.In addition, computing machine also causes some problems when bringing huge benefit to people.Behind people's long-time operation computing machine, may cause the reduction of work efficiency on the one hand.Also may influence healthy on the other hand.Thus, computer operation person always wishes edge work limit broadcast listening entertainment, though can receive digital broadcast program by network, but because the objective condition restriction of present Internet resources and circuit, also will take a large amount of computer CPU resources, people are difficult in not to be influenced the computing machine use and is realizing edge work limit broadcast listening entertainment under the situation cheaply.
Goal of the invention of the present utility model provides a kind of computing machine radio reception plug-in card that can listen to radio broadcasting signal at any time and can carry out multi-functional control by computing machine, and its cost is low, and is easy to operate.
For achieving the above object, the utility model provides a kind of computing machine radio reception card, mainly form by the radio reception circuit, antenna, output unit, power supply and the circuit board fixing device that are installed on the circuit board, its characteristics are: described stationary installation is the circuit board fixing rack and the circuit board grafting pin that can be fixed on the computer cabinet, and the grafting pin of described circuit board can insert in the slot of computer motherboard bus; Described radio reception circuit by fm radio circuit, audio amplifier circuit, frequency modulation electronic switching circuit, the humorous whole circuit of antenna forms and volume control circuit is formed, described antenna is connected with fm radio circuit by the humorous whole circuit of described antenna, fm radio circuit is connected with audio amplifier circuit with the frequency modulation electronic switching circuit, audio amplifier circuit is connected with described output unit by volume control circuit, and described frequency modulation electronic switch is connected with the grafting pin of described circuit board respectively with volume control circuit.
Aforementioned calculation machine radio reception card, its characteristics are: described output unit is a loudspeaker.
Aforementioned calculation machine radio reception card, its characteristics are: the slot of described computer motherboard bus is the pci bus slot.
Aforementioned calculation machine radio reception card, its characteristics are: described frequency modulation electronic switching circuit is that an energy is according to the relay electronic switch that carries out the scanning band channel selection from the control signal of computer motherboard.
Aforementioned calculation machine radio reception card, its characteristics are: described frequency modulation electronic switching circuit is a relay electronic switch that can be used to stop from the control signal of computer motherboard scanning band.
Aforementioned calculation machine radio reception card, its characteristics are: the humorous whole circuit of described antenna is one group of inductor.
Aforementioned calculation machine radio reception card, its characteristics are: described power supply is the 6v power supply on the computer motherboard.
Aforementioned calculation machine radio reception card, its characteristics are: the external speaker of described loudspeaker for being connected with computer sound card.
Aforementioned calculation machine radio reception card, its characteristics are: described antenna is a built-in aerial, and described antenna is connected on the connecting line of described loudspeaker by electric capacity and lead.
Aforementioned calculation machine radio reception card, its characteristics are: described volume control circuit is by the volume tuned circuit that is stored in the software control in the described computer memory, and described volume tuned circuit is an electronic potentiometer.
After adopting said structure, this radio reception card and computing machine move the actual work of carrying out of computing machine that do not influence simultaneously, and it gives the sound accompaniment of a music of operator on the one hand, but also prompting or the warning of a time of operator on the other hand.These functions can be adjusted by Keyboard Control by the user of computing machine, adjust the back computing machine and will return the own original course of work, and this device moves independently, in time gives computer operation person's information.
Further specify embodiment of the present utility model below in conjunction with accompanying drawing
Fig. 1 is that the utility model is used synoptic diagram on computers
Fig. 2 is a card plugging structure synoptic diagram of the present utility model
Fig. 3 is a radio reception circuit diagram on the circuit board among Fig. 2
Fig. 1,2 and Fig. 3 in, one of embodiment of the present utility model is a radio reception plug-in card that is used to be installed on the computer motherboard PCI slot, this radio reception card mainly is made up of circuit board 1, integrated circuit board grafting pin 10, integrated circuit board fixed mount 11, antenna 8, loudspeaker 7, power supply 6, integrated circuit board grafting pin 10 on the circuit board 1 can insert on the desk-top microcomputer mainboard PCI slot, and is fixed on behind the computer cabinet on the slot by integrated circuit board fixed mount 11.Wherein, radio reception circuit on the circuit board 1 is again by fm radio circuit 12, audio amplifier circuit 2, frequency modulation electronic switch 34, humorous whole circuit 5 of antenna and volume control circuit 9 are formed, antenna 8 is connected with fm radio circuit 12 by the humorous whole circuit 5 of antenna, fm radio circuit 12 is connected with audio amplifier circuit 2 with frequency modulation electronic switch 3,4, audio amplifier circuit 2 is connected with loudspeaker 7 by volume control circuit 9, and frequency modulation electronic switch 3,4 is connected with the grafting pin 10 of circuit board 1 respectively with volume control circuit 9.In the present embodiment, fm radio circuit 12 adopts TDH7088T, audio amplifier circuit 2 adopts AK7112E, frequency modulation electronic switch 3 adopts a relay electronic switch, it is used to start the purpose that the electronic switch scanning band is realized channel selection from the electronic signal of computer motherboard, frequency modulation electronic switch 4 also adopts a relay electronic switch, and it can be used to stop scanning from the electronic signal control electronic switch of computer motherboard, gets back to initial frequency range position.The humorous positive circuit 5 of antenna mainly is made up of inductor and electric capacity, and it makes the broadcast station signal of acceptance more accurate.This radio reception card can carry an AC-6V power supply 6 in the present embodiment, certainly also can directly utilize 6v power supply on the computer motherboard by power lead.In the present embodiment, this radio reception cartoon is crossed loudspeaker 7 sounding that carry, and also the circuit 7+ that is connected on the loudspeaker 7 directly can be connected on the audio frequency input pointer of computer sound card, then the external speaker sounding by being connected with sound card.Antenna 8 is a built-in extension antenna, and it adopts metal wire and with electric capacity it is welded on the connecting line of sound card, and antenna 8 is not sealed by computer cabinet, solves the shielding problem.Volume control circuit 9 is volume tuned circuits, and it has adopted an electronic potentiometer and by the tuning sound size of computer software control.The grafting pin 10 of this radio reception card directly inserts in the computer motherboard PCI slot, this by computer CPU and realizes the various control function, start radio reception as self-timing, storage and control radio reception frequency range are fixed, loud minor adjustment, the user can operate by software is tuning very easily, also radio reception frequency modulation and sound play status and time etc. can be presented on the computer display certainly.
Claims (10)
1, a kind of computing machine radio reception card, mainly form by the radio reception circuit, antenna, signal output apparatus, power supply and the circuit board fixing device that are installed on the circuit board, it is characterized in that: described stationary installation is the circuit board fixing rack and the circuit board grafting pin that can be fixed on the computer cabinet, and the grafting pin of described circuit board can insert in the slot of computer motherboard bus; Described radio reception circuit by fm radio circuit, audio amplifier circuit, frequency modulation electronic switching circuit, the humorous whole circuit of antenna forms and volume control circuit is formed, described antenna is connected with fm radio circuit by the humorous whole circuit of described antenna, fm radio circuit is connected with audio amplifier circuit with the frequency modulation electronic switch, audio amplifier circuit is connected with described output unit by volume control circuit, and described frequency modulation electronic switching circuit is connected with the grafting pin of described circuit board respectively with volume control circuit.
2, according to the described computing machine of claim 1 radio reception card, it is characterized in that: described signal output apparatus is a loudspeaker.
3, according to the described computing machine of claim 1 radio reception card, it is characterized in that: the slot of described computer motherboard bus is the pci bus slot.
4, according to the described computing machine of claim 3 radio reception card, it is characterized in that: described frequency modulation electronic switching circuit is that an energy is according to the relay electronic switch that carries out the scanning band channel selection from the control signal of computer motherboard.
5, according to the described computing machine of claim 3 radio reception card, it is characterized in that: described frequency modulation electronic switching circuit is a relay electronic switch that can be used to stop from the control signal of computer motherboard scanning band.
6, according to the described computing machine of claim 1 radio reception card, it is characterized in that: the humorous whole circuit of described antenna is one group of inductor.
7, according to the described computing machine of claim 1 radio reception card, it is characterized in that: described power supply is the 6v power supply on the computer motherboard.
8, according to the described computing machine of claim 2 radio reception card, it is characterized in that: the external speaker of described loudspeaker for being connected with computer sound card.
9, according to claim 2 or 8 described computing machine radio reception cards, it is characterized in that: described antenna is a built-in aerial, and described antenna is connected on the connecting line of described loudspeaker by electric capacity and lead.
10, according to the described computing machine of claim 1 radio reception card, it is characterized in that: described volume control circuit is by the volume tuned circuit that is stored in the software control in the described computer memory, and described volume tuned circuit is an electronic potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01218239 CN2473666Y (en) | 2001-03-27 | 2001-03-27 | Radio receiving card for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01218239 CN2473666Y (en) | 2001-03-27 | 2001-03-27 | Radio receiving card for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2473666Y true CN2473666Y (en) | 2002-01-23 |
Family
ID=33636311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01218239 Expired - Fee Related CN2473666Y (en) | 2001-03-27 | 2001-03-27 | Radio receiving card for computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2473666Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339783C (en) * | 2005-01-10 | 2007-09-26 | 纬创资通股份有限公司 | Minisize peripheral assembly connecting module |
-
2001
- 2001-03-27 CN CN 01218239 patent/CN2473666Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100339783C (en) * | 2005-01-10 | 2007-09-26 | 纬创资通股份有限公司 | Minisize peripheral assembly connecting module |
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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 |