CN2465242Y - Function self-defined electronic reading apparatus - Google Patents
Function self-defined electronic reading apparatus Download PDFInfo
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- CN2465242Y CN2465242Y CN 01214910 CN01214910U CN2465242Y CN 2465242 Y CN2465242 Y CN 2465242Y CN 01214910 CN01214910 CN 01214910 CN 01214910 U CN01214910 U CN 01214910U CN 2465242 Y CN2465242 Y CN 2465242Y
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Abstract
The utility model relates to a function self-defined electronic reading apparatus which is composed of a casing, a plurality of function keys and a circuit board, wherein the function keys are positioned on the surface of the casing, and the circuit board is positioned in an inner cavity of the casing and can contact the function keys. The utility model is characterized in that the circuit board is formed by the connection of an LCD display circuit 1, a storing circuit 2, a control circuit 3, a communication circuit 4 and a power circuit 5; the utility model realizes the communication with an externally-connecting computer by a serial interface; a user can download applications of his own design or applications which are free and are attached to the computer through the operation interface of the WINDOWS system of the externally-connecting computer. The control and the display functions of the circuits of the utility model can be changed by the user, and the operation of reading and writing can be carried out on the utility model.
Description
The utility model relates to a kind of electronic reading device, but the electronic reading device of custom feature particularly.Belong to the e-book technical field.
Development along with infotech, the application of electronic publications such as network and laser disc books more and more widely, can be by computing machine, the internet various information materials of reading, people mainly utilize desktop PC or notebook computer to read information material from laser disc or internet at present, have significant limitation but directly utilize computer to read, can't satisfy the needs that people read whenever and wherever possible.At first, big, the Heavy Weight of desktop PC volume is difficult for carrying, though and the notebook computer volume is little than desktop PC, it costs an arm and a leg, ordinary consumer is beyond affordability; Secondly, the radiation of desktop PC display is bigger, causes eye fatigue easily.Though occurred electronic reading device (also being e-book or Ebook) recently, its volume has only books big like that, but the information of storage can be more much bigger than a book, the user can utilize pre-designed function button, arbitrarily visit is stored in the information material in the internal memory in advance, and is simple to operate, volume is little, advantage such as easy to carry.But also there is following shortcoming: first, between the electronic reading device, can not exchange information between electronic reading device and external computer or the internet, therefore, the information material that the user can only " reading " stores in advance on LCD display promptly can only carry out " reading " operation; The second, the user can not change the content of having stored, and promptly can not carry out " writing " operation, so its function can not be defined by user oneself.
The purpose of this utility model is the shortcoming that can only " read ", can not " write " for the electronic reading device that overcomes prior art, provide a kind of and can " read ", can " write " again but the electronic reading device of custom feature.
The purpose of this utility model can reach by taking following measure: but the electronic reading device of custom feature, by shell, be positioned at a plurality of function buttons of case surface, the circuit board that is positioned at shell inner cavity and can contacts with described function button constitutes, its design feature is: described circuit board is by the LCD display circuit, storage circuit, control circuit, communicating circuit and power circuit are formed by connecting, described LCD display circuit, storage circuit, the data terminal of control circuit links together, the serial output terminal of communicating circuit connects the serial input terminal of control circuit, its serial input terminal can be connected with the serial port of external computer, and the control output end of control circuit connects the LCD display circuit respectively, storage circuit, the control input end of power circuit; Realize and external dataphone by serial line interface, the user can be by external computer the operation interface of the WINDOWS system application program downloading design voluntarily or give as an addition at random, wipe the built-in FLASH in the new control circuit, change the control and the Presentation Function of circuit, can download the data on the internet and show and be kept in the storage circuit by the LCD display circuit.
The purpose of this utility model can also reach by taking following measure:
The LCD display circuit is formed by connecting by LCD LCD panel, LCD chip for driving, the LCD bias voltage circuit of 128 * 64 dot matrix, and the LCD bias voltage circuit is formed by connecting by resistance R 12～R18, capacitor C 11～C12; Storage circuit is formed by connecting by NAMD memory chip and the peripheral cell thereof of 4M * 8bit; Control circuit is formed by connecting by singlechip chip and peripheral crystal oscillator, resistance, the electric capacity of built-in 16KB FLASH; Communicating circuit mainly is formed by connecting by universal serial bus I/O interface and supporting with it cable, peripheral resistance; Power circuit is formed by connecting by on-off circuit and peripheral resistance, the electric capacity thereof that booster power chip, field effect transistor Q3～Q4 form.
Compared with prior art, this reality is novel has a following outstanding advantage:
1. not only can carry out " reading " operation, and can carry out " writing " operation.The utility model since can with extraneous PC dataphone, can accept the dependent instruction of USB interface, the user can pass through platform software and the USB interface based on the opening of WINDOWS system, the application program of design is voluntarily downloaded and is stored in storage circuit and the control circuit, thereby the Control Software of MUC FLASH in can erasable again control circuit, therefore, the utility model can be wiped the Control Software in the new control circuit as required, thereby is defined voluntarily and changed its function by the user; Can be with all kinds of electronic publications that find on online or the computer optical disc, Email, visiting card data, Chinese and English learning materials etc. by in the storage circuit of communicating circuit input control circuit, thereby the accompanied electronic stack room that the configuration information amount is huge can be searched data, reading learning, recreation and amusement whenever and wherever possible.
Storage capability big, can arbitrarily layout catalogue, change the storage content, LCD screen is big, clear display, do not hinder eyes, compatible by force, meet international standard.
3. simple in structure, easy to operate, volume is little, easy to carry.
Below in conjunction with accompanying drawing the utility model is described in detail:
Fig. 1 is a board circuit structured flowchart of the present utility model.
Fig. 2 is the electrical schematic diagram of the circuit board of the utility model embodiment 1.
Fig. 1, Fig. 2 constitute embodiment 1 of the present utility model.Present embodiment is by shell, be positioned at a plurality of function buttons of case surface, the circuit board that is positioned at shell inner cavity and can contacts with described function button constitutes, as can be seen from Figure 1, described circuit board is by LCD display circuit 1, storage circuit 2, control circuit 3, communicating circuit 4 and power circuit 5 are formed by connecting, described LCD display circuit 1, storage circuit 2, the data terminal of control circuit 3 links together, the serial output terminal of communicating circuit 4 connects the serial end of control circuit 3, its input end can be by the COM port of the external computer of USB cable, and the control output end of control circuit 3 connects LCD display circuit 1 respectively, storage circuit 2, the control input end of power circuit 5.
As can be seen from Figure 2, LCD display circuit 1 is formed by connecting by chip for driving U8, U9, U10, computing amplification chip U2, the LCD LCD panel of 128 * 64 dot matrix, resistance R 12～R18, capacitor C 11～C12; Storage circuit 2 is formed by connecting by storaging chip U4, resistance R 108; Control circuit 3 is formed by connecting by singlechip chip U5, crystal oscillator X1, the chip U3 that resets, triode Q1, Q101, resistance R 109, R101, R104, R1～R3, capacitor C 105～C106, E1 and diode D106, D110～D113; Communicating circuit 4 is formed by connecting by serial bus interface (USB interface) J1, resistance R 102, R103, R110; Power circuit 5 is formed by connecting by booster power chip U6, triode Q2, QS～Q6, Q102～Q103, field effect transistor Q3～Q4, resistance R 4～R9, R105～R107, capacitor C 101～C108, E101～E102, diode D1～D3, D101～D104, inductance L 101, magnetic bead L1～L3.Wherein:
U8, U9, U10 are the single purpose LCD chip for driving, and resistance R 12～R18, capacitor C 11～C12 connect and compose the LCD bias voltage circuit; Storaging chip U4 in the storage circuit 2 is the NAMD memory chip of 4M * 8bit; The built-in 16KBFLASH of singlechip chip U5 of control circuit 3; The universal serial bus of communicating circuit 4 (USB) interface J1 is connected and communication with external computer by supporting with it cable; Field effect transistor Q3 in the power circuit 5～Q4 and peripheral resistance, electric capacity thereof constitute on-off circuit, and the sheet that the input end of this on-off circuit is connected with a control output end of control circuit, output terminal connects booster power chip U6 selects control end.
The principle of work of present embodiment is as follows:
Present embodiment by shell, be positioned at case surface a plurality of function buttons, be positioned at shell inner cavity and can constituting with the circuit board that described function button contacts, shell and described various function button are same as the prior art, and different is the structure and the function thereof of circuit board.At holding state, click the ON/OFF key, gating booster power chip U6, Q103, Q104 moment conducting, VDD begins power supply, and the PB0 pin of U5 detects low level pulse, PWRCTL pin output high level, make power circuit 5 steady operations, this moment can be by read data and carry out multiple function (for example: ENTER, ESC, DOWN, UP, DEL) operation of LCD display; Click the ON/OFF key again in this situation, the PB0 pin of U5 detects low level pulse, PWRCTL pin output low level, the chip select pin (CE) of booster power chip U6 becomes low level, booster power chip U6 does not work, and closes whole power circuit 5, reenters holding state.In working order down, if in one minute, do not carry out any operation, PWRCTL pin output low level then, whole power circuit 5 enters holding state automatically.
In working order, the CE of memory chip U4, RE pin are by gating, and pass through FPDP I/00-I/07 and transmit information to LCD chip for driving U8, U9, U10, drive LCD chip display data, and when VDD gives U8, U9, U10 power supply, carry out dividing potential drop and isolation buffer by U2, the multichannel bias voltage is provided, make various fonts clearly of LCD liquid crystal display and pattern.
Communicating circuit 4 by USB interface with after external computer is connected, USBPWR exports high level, and the Q6 conducting ends Q4, Q5, cut off the dry cell power supply passage, Q3 conducting this moment, booster power chip U6 is by gating, Q103, Q102 conducting, the complete machine working power is provided, Q1 moment conducting, the USBDET pin detects low level pulse, enters the normal communication state.
Communicating circuit 4 with after external computer is connected, by the operation interface based on the WINDOWS system, sends down the instruction of biography data by USB interface, and the CE of memory chip U4, WE pin be by gating, and stores corresponding data by FPDP I/00-I/07; Open platform software and operation interface by based on the WINDOWS system send the renewal application program instructions, and the Control Software of MCU FLASH changes function of the present utility model in the erasable again control circuit 3, reaches the purpose of User Defined function; Perhaps download data, show and be kept in the storage circuit 2 by LCD display circuit 1 from the internet.
Claims (3)
1. but the electronic reading device of custom feature, by shell, be positioned at a plurality of function buttons of case surface, the circuit board that is positioned at shell inner cavity and can contacts with described function button constitutes, it is characterized in that: described circuit board is by LCD display circuit (1), storage circuit (2), control circuit (3), communicating circuit (4) and power circuit (5) are formed by connecting, described LCD display circuit (1), storage circuit (2), the data terminal of control circuit (3) links together, the serial output terminal of communicating circuit (4) connects the serial input terminal of control circuit (3), its serial input terminal can be connected with the serial port of external computer, and the control output end of control circuit (3) connects LCD display circuit (1) respectively, storage circuit (2), the control input end of power circuit (5); Realize and external dataphone by serial line interface, the user can be by external computer the operation interface of the WINDOWS system application program downloading design voluntarily or give as an addition at random, wipe the built-in FLASH in the new control circuit (3), change the control and the Presentation Function of circuit, can download the data on the internet and show and be kept in the storage circuit (2) by LCD display circuit (1).
2. but the electronic reading device of custom feature according to claim 1, it is characterized in that: LCD display circuit (1) is formed by connecting by LCD LCD panel, LCD chip for driving, the LCD bias voltage circuit of 128 * 64 dot matrix, and the LCD bias voltage circuit is formed by connecting by resistance R 12～R18, capacitor C 11～C12; Storage circuit (2) is formed by connecting by NAMD memory chip and the peripheral cell thereof of 4M * 8bit; Control circuit (3) is formed by connecting by singlechip chip and peripheral crystal oscillator, resistance, the electric capacity of built-in 16KB FLASH; Communicating circuit (4) mainly is formed by connecting by universal serial bus I/O interface and supporting with it cable, peripheral resistance; Power circuit (5) is formed by connecting by on-off circuit and peripheral resistance, the electric capacity thereof that booster power chip, field effect transistor Q3～Q4 form.
3. but the electronic reading device of custom feature according to claim 2 is characterized in that: LCD display circuit (1) amplifies chip U2, the LCD LCD panel of 128 * 64 dot matrix, resistance R 12～R18, capacitor C 11～C12 by chip for driving U8, U9, U10, computing and is formed by connecting; Storage circuit (2) is formed by connecting by storaging chip U4, resistance R 108; Control circuit (3) is formed by connecting by singlechip chip U5, crystal oscillator X1, the chip U3 that resets, triode Q1, Q101, resistance R 109, R101, R104, R1～R3, capacitor C 105～C106, E1 and diode D106, D110～D113; Communicating circuit (4) is formed by connecting by serial bus interface (USB interface) J1, resistance R 102, R103, R110; Power circuit (5) is formed by connecting by booster power chip U6, triode Q2, Q5～Q6, Q102～Q103, field effect transistor Q3～Q4, resistance R 4～R9, R105～R107, capacitor C 101～C108, E101～E102, diode D1～D3, D101～D104, inductance L 101, magnetic bead L1～L3; Wherein:
Resistance R 12～R18, capacitor C 11～C12 connect and compose the LCD bias voltage circuit; Field effect transistor Q3 in the power circuit 5～Q4 and peripheral resistance, electric capacity thereof constitute on-off circuit, and the sheet that the input end of this on-off circuit is connected with a control output end of control circuit, output terminal connects booster power chip U6 selects control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01214910 CN2465242Y (en) | 2001-01-12 | 2001-01-12 | Function self-defined electronic reading apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01214910 CN2465242Y (en) | 2001-01-12 | 2001-01-12 | Function self-defined electronic reading apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2465242Y true CN2465242Y (en) | 2001-12-12 |
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ID=33633576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01214910 Expired - Fee Related CN2465242Y (en) | 2001-01-12 | 2001-01-12 | Function self-defined electronic reading apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2465242Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253789A (en) * | 2010-05-21 | 2011-11-23 | 台达电子工业股份有限公司 | Digital operator used in frequency converter and picture display method used in operator |
| CN102483721A (en) * | 2009-05-09 | 2012-05-30 | 赛普拉斯半导体公司 | Dynamically reconfigurable analog routing circuits and methods for system on a chip |
-
2001
- 2001-01-12 CN CN 01214910 patent/CN2465242Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102483721A (en) * | 2009-05-09 | 2012-05-30 | 赛普拉斯半导体公司 | Dynamically reconfigurable analog routing circuits and methods for system on a chip |
| CN102483721B (en) * | 2009-05-09 | 2016-08-03 | 赛普拉斯半导体公司 | The simulation routing circuit that can dynamically reconfigure and method for system on chip |
| CN102253789A (en) * | 2010-05-21 | 2011-11-23 | 台达电子工业股份有限公司 | Digital operator used in frequency converter and picture display method used in operator |
| CN102253789B (en) * | 2010-05-21 | 2013-10-16 | 台达电子工业股份有限公司 | Digital operator used in frequency converter and picture display method used in operator |
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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 |