CN101211547A - Digital photo holder frame - Google Patents
Digital photo holder frame Download PDFInfo
- Publication number
- CN101211547A CN101211547A CNA2006100646368A CN200610064636A CN101211547A CN 101211547 A CN101211547 A CN 101211547A CN A2006100646368 A CNA2006100646368 A CN A2006100646368A CN 200610064636 A CN200610064636 A CN 200610064636A CN 101211547 A CN101211547 A CN 101211547A
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- China
- Prior art keywords
- drive circuit
- circuit board
- main control
- digital frame
- control chip
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Abstract
The invention relates to a digital picture frame, which comprises a display unit and a driving circuit board. The driving circuit board comprises a backlight driving circuit, a first storage unit, a main control chip and a time sequence controller. The backlight driving circuit provides working voltage for the backlight source of the display unit. The first storage unit is used for storing static pictures, dynamic images and frequency datum. The main control chip processes the static pictures, dynamic images and frequency datum stored by the first storage unit so as to acquire the graph data signal which is suitable for displaying by the display unit and the audio frequency signal for broadcasting by the digital picture frame. The time sequence controller controls and outputs the graph data signal output by the main control chip to the display unit according to time sequence so that the display unit displays the static pictures or dynamic images. The digital picture frame has the advantages of multiple functions and simple circuit structure.
Description
Technical field
The present invention relates to a kind of digital frame (Digital Photo Display).
Background technology
Factor sign indicating number camera has easy to use and can utilize digital camera itself or computer to realize the function of watching of digital photo, and is subjected to extensively liking of user.Yet digital photo all is stored in memory card, CD or the computer, and can't be by direct viewing.Therefore, industry is developed the digital frame of a kind of user of allowing by outward appearance such as photo frame shape, stores, shows and share digital photograph with print quality.
See also Fig. 1 and Fig. 2, Fig. 1 is a kind of perspective view of prior art digital frame, and Fig. 2 is the decomposing schematic representation of digital frame shown in Figure 1.Framework 11, a display unit 12, one first drive circuit board 13, one second drive circuit board 14, one the 3rd drive circuit board 15, a back casing 17 and a bracing frame 18 before this digital frame 10 comprises one.Framework 11 cooperatively interacts with this back casing 17 and accommodates this display unit 12, this first drive circuit board 13, this second drive circuit board 14 and the 3rd drive circuit board 15 before being somebody's turn to do.This bracing frame 18 utilizes a lock solid structure 19 to be installed on this back casing 17.
This first drive circuit board 13 is the master control circuit board of this digital frame 10, and it comprises a main control chip (figure does not show) and feed circuit (figure does not show).This main control chip is used for Treatment Analysis static images data, and controls 12 pairs of these static images data of this display unit and show.These feed circuit provide required operating voltage for this first drive circuit board 13, this second drive circuit board 14 and the 3rd drive circuit board 15.
This second drive circuit board 14 is used for controlling the backing structure of this display unit 12, and it realizes being electrically connected with feed circuit and this display unit 12 of this first drive circuit board 13 by many connecting lines (figure does not show) or a plurality of flexible circuit board (figure does not show).
The 3rd drive circuit board 15 comprises a time schedule controller (figure does not show) and a card extender (figure does not show), this time schedule controller is realized and the feed circuit of this first drive circuit board 13 and being electrically connected of main control chip via many circuit trace (figure does not show) and this card extender of the 3rd drive circuit board 15 successively, is made this main control chip export the static images data of Treatment Analysis to this display unit 12 according to control timing.This card extender can be a printed circuit board (PCB) or a flexible circuit board.
Because the simple function that the main control chip of first drive circuit board 13 of above-mentioned digital frame 10 only has Treatment Analysis static images data, and its output data also needs via the card extender realization of the 3rd drive circuit board 15 and being electrically connected of time schedule controller.In addition, because its feed circuit are arranged on this second drive circuit board 14,, also need utilize connecting line or flexible circuit board just can realize if will be other circuit supply.Therefore, the function singleness of this digital frame 10 and circuit structure complexity can't adapt to the lightening demand with multifunction in market.
Summary of the invention
In order to solve prior art digital frame function singleness and circuit structure complicated problems, be necessary to provide a kind of multi-functional and circuit structure simple numerical photo frame.
A kind of digital frame, it comprises a display unit and one drive circuit plate.This drive circuit board comprises a backlight drive circuit, one first storage unit, a main control chip and a time schedule controller.This backlight drive circuit provides operating voltage for the back light of this display unit.This first storage unit is used for depositing static images, dynamic image and voice data.This main control chip is handled static images, dynamic image and the voice data of this first cell stores, thereby obtains being fit to the pattern data signal of this display unit demonstration and the sound signal of playing for this digital frame.This time schedule controller exports the pattern data signal of this main control chip output to this display unit according to sequential control, makes this display unit show this static images or this dynamic image.
Compared with prior art, because the main control chip processing capacity of this digital frame strengthens, can handle static images, dynamic image and voice data, make this digital frame possess that static images shows, dynamic image shows and the function of voice playing, reach the multifunction of real meaning.And, when stating function in realization, all circuit structures all are arranged on this drive circuit board, and the circuit trace by this drive circuit board itself can realize the electrical connection between each circuit structure, thereby avoid using a plurality of drive circuit boards to cause the DPF volume bigger, and utilize many connecting lines or a plurality of flexible circuit board to be electrically connected and the circuit complicated problems that causes, reach the purpose that circuit structure is oversimplified.
Description of drawings
Fig. 1 is a kind of perspective view of prior art digital frame.
Fig. 2 is the decomposing schematic representation of digital frame shown in Figure 1.
Fig. 3 is the decomposing schematic representation of digital frame one better embodiment of the present invention.
Fig. 4 is the circuit block diagram of the drive circuit board of digital frame shown in Figure 3.
Embodiment
Seeing also Fig. 3, is the decomposition texture synoptic diagram of digital frame one better embodiment of the present invention.Framework 21, a display unit 22, one drive circuit plate 23, two playback unit 24, a back casing 30 and a bracing frame 31 before this digital frame 20 comprises one.Framework 21 cooperatively interacts with this back casing 30 and accommodates this display unit 22, this drive circuit board 23 and this two playbacks unit 24 before being somebody's turn to do.This bracing frame 31 utilizes a lock solid structure 32 to be installed on this back casing 30.
Seeing also Fig. 4, is the circuit block diagram of the drive circuit board 23 of digital frame 20 shown in Figure 3.This drive circuit board 23 is used for driving the display unit 22 and this two playbacks unit 24 of this digital frame 20, and it comprises a functional processing module 25, a supply module 26, time schedule controller 27, a backlight drive circuit 28 and a plurality of input/output interface 29.This supply module 26 provides operating voltage for each circuit of this functional processing module 25, this time schedule controller 27 and backlight drive circuit 28.This backlight drive circuit 28 is used for driving the backlight of this display unit 22.Realize being electrically connected by the cabling of drive circuit board 23 self between each circuit module.
The interactive interface that these a plurality of input/output interfaces 29 communicate for this digital frame 20 and external device, it is arranged on the avris of this drive circuit board 23 usually, comprise a plurality of interfaces and slot, these a plurality of interfaces can be the video line interface, USB (universal serial bus) (Universal Serials Bus, USB) interface and video graphics array (VideoGraphics Array, VGA) interface etc., this slot is the transmission channel that memory card (Micro Driver) memory device and functional processing module 25 carry out data communication, and it can be inserted and get such as CF card (Compact Flash), MS card (Memory Stick), mmc card (Multi Media Card), SM card (Smart Media) and SD card (various forms of memory cards such as Secured Digital.
This functional processing module 25 comprises a main control chip 251, one first flash memory 252, one second flash memory 253, one the 3rd flash memory 254, a clock generator 255, an audio coder 256, a remote control inductor 257 and a control circuit board 258.This remote control inductor 257 receives the control signal of sending from telechiric device (figure does not show), and is sent to this main control chip 251 through this control signal.The control (figure do not show) of these control circuit board 258 control setting on this preceding framework 21, when the user selectes a certain control, it will send a correspondence and control signal to this main control chip 251.The exercises program of these first flash memory, 252 these main control chips 251 of storage.This second flash memory 253 is generally a pair of haplotype data transfer rate, and (it has the fast characteristics of message transmission rate for Double Date Rate, random access memory DDR).The 3rd flash memory 254 storage external devices as computer, connect various static images data, dynamic image data and the voice data of 29 interface portion input via this I/O.This main control chip 251 has the static images of processing data, the function of dynamic image data and voice data, the control signal that it sends according to this remote control inductor 257 or control circuit board 258, respectively from this first flash memory 252 and the 3rd flash memory 254 or be arranged in the memory card in the slot and call corresponding actions program and static images data, dynamic image data or voice data, and this corresponding actions program write in this second flash memory 253 move, change into these static images data and this dynamic image data red again, green, the pattern data signal of Lan Sanse is sent to this time schedule controller 27, and this time schedule controller 27 makes this pattern data signal export this display unit 22 to according to sequential control.Simultaneously, this main control chip 251 also is converted into this voice data digital signal and is sent to this audio coder 256, this audio coder 256 is converted into simulating signal for these two playbacks unit, 24 playbacks with this digital signal, thereby realizes demonstration and playing function to static images data, dynamic image data and voice data.When playing above-mentioned data, this main control chip 251 also can send a trigger pip and open this clock generator 255, makes this display unit 22 show the current time.
This supply module 26 comprises feed circuit 261, an internal battery circuit 262 and an on-off circuit 263.These feed circuit 261 are converted to the required operating voltage of each circuit with input voltage, as this main control circuit 251 required+3.3V with+1.8V operating voltage and this backlight drive circuit 28 required+5V operating voltage.The user can utilize an external power supply that this internal battery circuit 262 is charged, and also can utilize this on-off circuit 263 to select to provide input voltage by external power supply or internal battery circuit 262 for these feed circuit 261.
This backlight drive circuit 28 is a LED driving circuit, and it provides these feed circuit 261+and the 5V operating voltage is converted to+the 10V operating voltage, to start the light emitting diode of this display unit 22.Simultaneously, (Pulse Width Modulation, PWM) signal are adjusted its output services voltage, thereby reach the purpose of regulating backlight illumination in the width modulation that this backlight drive circuit 28 also can send according to this main control chip 251.
Compared with prior art, because main control chip 251 processing capacities of this digital frame 20 strengthen, can handle static images data, dynamic image data and voice data, and set up circuit structures such as audio coder 256 and clock generator 255, make this digital frame 20 possess the function that static images demonstration, dynamic image demonstration, voice playing and clock show, reach the multifunction of real meaning.And, when stating function in realization, all circuit all are arranged on this drive circuit board 23, and the circuit trace by this drive circuit board 23 itself realize the electrical connection between each circuit structure, thereby avoid using a plurality of drive circuit boards to cause DPF 20 volumes thicker, and utilize many connecting lines or a plurality of flexible circuit board to be electrically connected and cause the circuit structure complicated problems, reach purpose lightening and that circuit structure is oversimplified.In addition, because this backlight drive circuit 28 is arranged on the same drive circuit board 23 with this main control chip 251, so the pulse-width signal that can conveniently utilize this main control chip 251 to send is adjusted the output of backlight drive circuit 28, thereby realizes adjustable function backlight.
Claims (10)
1. digital frame, it comprises a display unit and one drive circuit plate, it is characterized in that: this drive circuit board comprises a backlight drive circuit, one first storage unit, one main control chip and time schedule controller, this backlight drive circuit provides operating voltage for the back light of this display unit, this first storage unit is used for depositing static images, dynamic image and voice data, this main control chip is handled the static images of this first cell stores, dynamic image and voice data, thereby obtain being fit to the pattern data signal of this display unit demonstration and the sound signal of playing for this digital frame, this time schedule controller exports the pattern data signal of this main control chip output to this display unit according to sequential control, makes this display unit show this static images or this dynamic image.
2. digital frame as claimed in claim 1 is characterized in that: this drive circuit board further comprises a plurality of input/output interfaces, and this input/output interface is the interactive interface that this digital frame and external device communicate.
3. digital frame as claimed in claim 1 is characterized in that: this drive circuit board further comprises one second storage unit, each operation program that this main control chip operation of this second cell stores is required.
4. digital frame as claimed in claim 3, it is characterized in that: this drive circuit board further comprises one the 3rd storage unit, the 3rd storage unit is used for static images, dynamic image or voice data that temporary this main control chip read from this first storage unit and the corresponding actions program called of this second storage unit certainly, and this main control chip is handled this static images, dynamic image or voice data according to this operation program.
5. digital frame as claimed in claim 1 is characterized in that: this drive circuit board further comprises a clock generator, and this clock generator is by this main control chip drives.
6. digital frame as claimed in claim 1, it is characterized in that: this drive circuit board further comprises a remote control inductor, this remote control inductor is used for receiving the control signal that the user utilizes a telechiric device to send, and this control signal is sent to this main control chip.
7. as claim 1 a described digital frame, it is characterized in that: this digital frame further comprises a playback unit, and this playback unit is used for playing the voice data of this first cell stores.
8. digital frame as claimed in claim 7 is characterized in that: this drive circuit board further comprises an audio coder, and this audio coder cooperates this main control chip that the voice data of input is converted into the sound signal that is fit to this playback unit broadcast.
9. digital frame as claimed in claim 1 is characterized in that: this main control chip also is used for adjusting the output voltage of this backlight drive circuit, and it exports a pulse-width signal to this backlight drive circuit.
10. digital frame as claimed in claim 1 is characterized in that: this drive circuit board further comprises a supply module, and this supply module provides operating voltage for each circuit of this drive circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100646368A CN101211547A (en) | 2006-12-29 | 2006-12-29 | Digital photo holder frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100646368A CN101211547A (en) | 2006-12-29 | 2006-12-29 | Digital photo holder frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101211547A true CN101211547A (en) | 2008-07-02 |
Family
ID=39611531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100646368A Pending CN101211547A (en) | 2006-12-29 | 2006-12-29 | Digital photo holder frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101211547A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011137617A1 (en) * | 2010-05-05 | 2011-11-10 | 中兴通讯股份有限公司 | Image display method and image display device |
| CN101404854B (en) * | 2008-11-03 | 2012-12-19 | 李鑫 | Circuit board and its design method |
-
2006
- 2006-12-29 CN CNA2006100646368A patent/CN101211547A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404854B (en) * | 2008-11-03 | 2012-12-19 | 李鑫 | Circuit board and its design method |
| WO2011137617A1 (en) * | 2010-05-05 | 2011-11-10 | 中兴通讯股份有限公司 | Image display method and image display device |
| US8704820B2 (en) | 2010-05-05 | 2014-04-22 | Zte Corporation | Image display method and image display device |
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Open date: 20080702 |