CN2570885Y - Car audio and video reading and writing device - Google Patents

Abstract

A car audio-visual read-write equipment, include a microprocessor connects DRAM, read-only memory, image signal connector, sound signal connector, two memory card connectors, infrared receiver, multiple selection button and CD decoder separately; the two memory card connectors have at least one memory card slot. The utility model discloses an existing record player module in the existing car audio of improvement utilizes the shared spatial position of original recording tape slot, does not occupy under the condition in extra space, makes car audio follow trend, can combine the storage card, reads the audio-visual data that the storage card stored, promotes new service function.

Description

Car audio and video reading and writing device

technical field

The utility model relates to an electronic audio-visual playing technology, which relates to an audio-visual module of a car, especially a memory card slot and an audio-visual signal reading and writing module to replace the old audio tape slot and a tape recorder module, so that the audio module of the car has a memory card reading and writing module. write function.

Background technique

General car stereo is equipped with radio, recorder, music CD player etc.; Its panel 10, as shown in Fig. Radio control button 11 is the press switch of radio, and the size of rotatable control radio sound; Display 12 can show the playing status of CD or radio; Cassette slot 13 is used for inserting cassette for playing music; Most control buttons 14 are in order to control Playing status of radio, tape recorder, music CD player.

Taiwan Patent Announcement No. 4 24 91 2 discloses an improved multi-function cassette recording and playback tape structure; it is mainly composed of an upper case cover, a lower case cover, a circuit device, and a playback magnetic head. The circuit device includes: a power plug or a battery and is equipped with an internal memory, an external memory card slot, an external control panel slot and a control structure, wherein the power plug can be connected to an external power supply or connected to a cigarette lighter plug Connection; the memory card slot can be used to connect an external memory card, the internal memory or an external memory card inserted into the memory card slot can record music data from the outside, and the internal memory or an external memory card inserted into the memory card slot can be controlled by signal transmission The structures are matched to achieve the sound effects in the internal memory or memory card to be transferred to the playback magnetic head, and to be coupled with the magnetic head in the car stereo, recorder, and walkman to play music.

Because audio tapes are easily damaged by moisture, are not easy to preserve, and it is very inconvenient to change songs when playing, they have been gradually replaced by music CDs (CDs). Although the cassette tape box introduced above can be connected with an external memory card, it still uses the original tape recorder module (including the circuit board), and still cannot escape the old structure of the original tape recorder, and will be gradually eliminated. In order to improve the original tape recorder module in the car audio and utilize the space occupied by the original tape slot, the car audio can be combined with the memory card to read the audio-visual data stored in various memory cards that are gradually being widely used at present. The use of functions to meet the needs of technological development.

Utility model content

The main purpose of this utility model is to provide a car audio-visual reading and writing device, which can replace the original tape recorder equipment in the existing car audio, and can read the audio-visual data stored in the memory card without occupying additional space.

In order to achieve the above-mentioned purpose, the technical means of the present utility model is to provide a car audio-visual reading and writing device, including a microprocessor connected with DRAM, read-only memory, image signal connector, audio signal connector, memory card connection connector; the memory card connector has at least one memory card slot.

The car audio-video reading and writing device, wherein the memory card connector has two memory card slots.

In the car video and audio reading and writing device, the microprocessor is additionally connected to an optical disc decoder.

The car video and audio reading and writing device, wherein the microprocessor is additionally connected to an infrared receiver.

In the car audio-video reading and writing device, the microprocessor is further connected with at least one connector.

In the car audio-visual reading and writing device, the microprocessor is further connected with at least one selection button.

In the car audio/video reading/writing device, at least one connector includes an RS232 socket.

In the car audio/video reading/writing device, at least one connector includes a USB socket.

Description of drawings

Figure 1 is a schematic diagram of the existing car audio panel configuration;

Fig. 2 is a schematic diagram of panel configuration of the car audio-visual reading and writing device of the present invention;

FIG. 3 is a schematic block diagram of a functional circuit structure of the present invention.

Detailed ways

The utility model car video reading and writing device mainly changes the structure of the existing car audio, replaces the old tape recorder module with a memory card reading and writing module, and can be combined with the memory card to read the video and audio data stored in the memory card, or convert the audio and video data Stored in a memory card, or combined with a GPS satellite receiver and a memory card stored with an electronic map, for the car to perform satellite navigation.

Please refer to shown in Fig. 2, the utility model car audio-visual read-write device, comprises a panel 20, and its difference with the existing panel 10 shown in Fig. 1 is to change the original tape slot 13 into two memory cards Slots 231, 232 (only one memory card slot can also be set) are used for combining memory cards, and infrared receivers 25 and card withdrawal keys 26 are respectively provided on both sides thereof; the infrared receivers 25 are used to receive infrared rays The control signal of the remote controller; the card eject key 26 is for the user to touch and eject the memory card inserted into the memory card slots 231 and 232 . The configuration of the remaining radio control buttons 21, display 22, and a plurality of control buttons 24 is roughly the same as that of the existing panel 10 shown in FIG. The configuration of the panel 20 of the utility model does not increase the space occupied by the original car audio, but the car audio can be combined with various memory cards to play the stored video and audio data, which is more convenient to use.

Please refer to shown in Fig. 3, the utility model automobile audio-visual read-write device comprises a microprocessor 30 (can be the microprocessor that is numbered as SPCA720A), connects DRAM 31, ROM 32, video signal connector respectively 33. Audio signal connector 34, two memory card connectors 35, 36 (only one memory card connector can also be provided), infrared receiver 25, multiple selection buttons 37, CD decoder 38 and at least one connector 39, etc. .

The DRAM 31 of the utility model is used for temporarily storing the data in the processing of the microprocessor 30; the read-only memory 32 is used for storing the program data; the image signal connector 33 is used for connecting the image display to output the image data; the audio signal is connected Device 34 is in order to connect loudspeaker, to output sound data; Memory card connector 35,36 has memory card slot 231,232 shown in Figure 2, in order to connect memory card (comprising SMC, Smart Media Card, smart media card, MMC, MUltimediaCard, multimedia card, SD, Secure DigitalMemory Card, secure digital memory card, or MS, Memory Stick, memory stick and other memory cards), to read the audio and video data stored in the memory card, or store the audio and video data into the memory card; The infrared receiver 25 is used to receive the remote control signal emitted by the infrared remote controller; a plurality of selection buttons 37 are connected to the control button 24 shown in Figure 2 to control the operating state of the microprocessor 30; the CD decoder 38 is used to connect the CD player (including CD, VCD or DVD, etc.) to receive audio-visual data transmitted by the CD-ROM; at least one connector 39 can be an RS232 socket or a USB socket, etc., used to connect a GPS satellite locator connector or other audio-visual device connectors, etc.

Please refer to shown in Fig. 2, 3, when the utility model uses, be to utilize selection button 37 to select the operation option of microprocessor 30, for example carry out the reading of memory card; Memory card is inserted into memory card slot 231 and/or storage In the card slot 232, the microprocessor 30 can process and read the audio-visual data stored in the memory card, output the audio-visual data to the image display and the loudspeaker connected with the video signal connector 33 and the audio signal connector 34 respectively, and play audio-visual information. Also can choose to play the audio-visual data that the optical disc player that is connected with optical disc decoder 38 is input. Or choose to process and play the GPS satellite positioning data input by the GPS satellite locator connected with the connector 39. Or select to play the audio-visual data imported by other audio-visual devices connected with the connector 39. The utility model can also store video and audio data in the memory card.

The design of the dual memory card connectors 35 and 36 of the present utility model can connect dual memory cards. In addition to increasing the playback or storage capacity of audio-visual data, one memory card can store program files, and the other memory card can store data files. Microprocessor 30 can execute program files to process the audio-visual data stored in data files, without storing program files in ROM 32, which can reduce the memory capacity of ROM 32, and can utilize what ROM 32 does not store. handlers to process data files. In addition, the double memory card connectors 35, 36 can also connect a memory card for storing electronic maps respectively, and an external connector of a GPS satellite locator forming a memory card form, and the microprocessor 30 processes the output positioning of the GPS satellite locator. Data and electronic map data can be used for vehicle positioning and navigation.

The utility model improves the original tape recorder module in the existing car audio, and utilizes the space occupied by the original tape slot to keep the car audio up to date without occupying extra space. It can be combined with a memory card to read and store The audio-visual data stored in the card can be used to enhance new functions.

Claims (9)

1. audio-visual read-write equipment of automobile, comprise that a microprocessor connects dynamic RAM, ROM (read-only memory), image signal connector, sound signal connector, card connector respectively, it is characterized in that card connector has at least one storage card slot.

2. the audio-visual read-write equipment of automobile as claimed in claim 1 is characterized in that wherein card connector has two storage card slots.

3. the audio-visual read-write equipment of automobile as claimed in claim 1 is characterized in that wherein microprocessor connects a CD demoder in addition.

4. the audio-visual read-write equipment of automobile as claimed in claim 2 is characterized in that wherein microprocessor connects a CD demoder in addition.

5. as claim 1,2, the audio-visual read-write equipment of 3 or 4 described automobiles, it is characterized in that wherein microprocessor connects an infrared receiver in addition.

6. the audio-visual read-write equipment of automobile as claimed in claim 5 is characterized in that wherein microprocessor connects at least one connector in addition.

7. the audio-visual read-write equipment of automobile as claimed in claim 5 is characterized in that wherein microprocessor connects at least one selection key in addition.

8. the audio-visual read-write equipment of automobile as claimed in claim 5 is characterized in that wherein at least one connector comprises a RS232 socket.

9. the audio-visual read-write equipment of automobile as claimed in claim 5 is characterized in that wherein at least one connector comprises a USB socket.

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