CN1355491A

CN1355491A - Data processing unit

Info

Publication number: CN1355491A
Application number: CN 00134807
Authority: CN
Inventors: 石骏恒
Original assignee: Mitac Technology Corp
Current assignee: Getac Technology Corp
Priority date: 2000-12-01
Filing date: 2000-12-01
Publication date: 2002-06-26
Anticipated expiration: 2020-12-01
Also published as: CN1223949C

Abstract

A data processing unit using remote control mode to correct system time is composed of remote device for transmitting correct time data to host, receiving in the host for receiving the said correct time data, and microcontroller in the host for correcting the timer of host according to the received correct time data. The said remote device is composed of switch unit and timing encoder

Description

Data processing equipment

The present invention relates to a kind of data processing equipment, particularly start and proofread and correct the real-time clock of this data processing equipment about a kind of mode of utilizing remote control, by this mode, utilize remote control mode to start in the process of this data processing equipment the user, can simultaneously the real-time clock of this data processing equipment be proofreaied and correct to the correct time, make that the user all can be from the time of this data processing equipment real-time clock of normal moveout correction when starting shooting each time.

Clock in the general computer system is that to cooperate the R-C circuit with crystal oscillator (Crystal Oscillator) be main composed component mostly, and high frequency (32.768Hz) that this crystal oscillator produced is cut apart low frequency to 1Hz continuously via divider.Yet because component ageing (aging) or do not match (mismatch), the problems such as error that divider and operating frequency caused can influence the clock in the computer system, make it lose its accuracy.For server system (Server System), the time that needs to broadcast (broadcast) date and time information on network is given user side (client lent), and for computer system, performed Application Software Program may need the precise time of date and time information; If its intrasystem real-time clock loses its degree of accuracy, then the overall efficiency of system will be had a greatly reduced quality, even makes a mistake and can't move.Therefore, be necessary really to propose a kind of effective calibration steps, to guarantee the precision of real-time clock at the real-time clock of computer system.

Present electronic watch on the market, the quality of its crystal inside oscillator and usefulness are all good than the crystal oscillator of computer system inside, and the computer system that the accuracy of its time is also at present general really is superior, if can utilize the crystal oscillator of the crystal oscillator replacement computer system of above-mentioned electronic watch inside, can improve the inaccurate problem of real-time clock of traditional computer.Yet this measure must increase the manufacturing cost of computer system, and the crystal oscillator of existing computer system inside can satisfy the demand of other functions of computer system, and it is obviously not feasible with the inaccurate problem of the real-time clock that improves computer system that the crystal oscillator that therefore will have computer system inside now replaces with in the electronic watch crystal oscillator.If this moment can be directly is the time content of electronic watch with the time adjustment of the real-time clock of computer system, can exempts extra manufacturing cost and reach the accurate purpose of real-time clock of maintenance computer system.Therefore, the correct time that utilizes electronic watch is to proofread and correct the real-time clock of computer system, and real is purpose of the present invention.

Fundamental purpose of the present invention is to provide a kind of correction device of data processing equipment, with the precise time of electronic watch own, utilizes Wireless transmission mode, revises the real-time clock of computer system, makes the computer system real-time clock can remain on the correct time.

Another object of the present invention is to provide a kind of correction device of data processing equipment, can be when computer system boot-strap from the real-time clock of normal moveout correction computer system.Utilization is provided with the electronic watch of computer system power switch, when starting power supply, the time content of the electronic watch mode by infrared transmission is sent to computer system to revise its inner real-time clock, make the user after computer system is finished boot program, can both obtain the correct moment from computer system, and when each start,, the content of real-time clock is kept accurately from normal moveout correction computer system real-time clock.

For realizing above-mentioned purpose, the present invention proposes a kind of data processing equipment that utilizes the remote control mode corrective system time, is applicable to the clock of proofreading and correct a main frame, comprising: a far end device, have a transmitter, and be used for sending an accurate time data; One receiver is arranged at this main frame, in order to receive the correct time data that this transmitter is sent; And a microcontroller, be arranged in this main frame, be coupled to receiver, the clock of this main frame of correct time data correction of sending according to receiver.Wherein said far end device also comprises: a switchgear is used for exporting the signal of representing these correct time data; And a chronometric encoder, when receiving the signal that this switchgear exports, output one accurate time coding signal is to transmitter.

In addition, the present invention also proposes a kind of remote control mode that utilizes in the data processing equipment of corrective system time in when start, and comprising: a far end device is used for sending the wireless encoding data with start data and standard time data; An and host apparatus, a microcontroller and the system power supply in order to provide this data processing equipment to operate are provided, when this microcontroller received for these wireless encoding data, then this system power supply is opened, and according to this this system time of wireless encoding adjustment of data.Wherein this far end device also comprises: a switchgear is used for exporting the signal of representing these wireless encoding data; One memory storage when receiving the signal that this switchgear exports, is exported startup password data; One chronometric encoder, when receiving the signal that this switchgear exports, output one accurate time code data; One traffic pilot is used for receiving these startup password data and this correct time coded data, and exports a deal with data; And a transmitter is used for transmitting the deal with data exported by this traffic pilot to this main frame.Wherein this control device comprises: a receiver, in order to receive the deal with data that this far end device is sent; And a microcontroller, being coupled to this receiver, the deal with data that is used for receiving according to this receiver is controlled this system power supply, and proofreaies and correct this system time.

The above-mentioned purpose according to the present invention can be utilized the electronic watch clocking capability good than computer system itself, and the content of its time is replaced the content of computer system real-time clock, can be so that the real-time clock of computer system remains under the correct state.

Especially exemplified by a preferred embodiment, conjunction with figs. elaborates to purpose of the present invention, architectural feature below:

Illustrate:

Fig. 1 is the outside drawing of expression data processing equipment of the present invention

Fig. 2 represents that the cut-away view Fig. 3 according to data processing equipment in the first embodiment of the invention is the cut-away view of expression according to data processing equipment in the second embodiment of the invention

Symbol description:

10～wireless remote controller 10A～display;

10B～switch key 11～host computer;

21～switchgear, 22～counter;

23～scrambler, 24～transmitter;

25～receiver: 26～microcontroller:

27～process chip, 31～switchgear;

32～memory storage, 33～counter;

34～scrambler; 35～traffic pilot;

36～transmitter, 41～receiver;

42～microcontroller; 43～power control;

44～process chip

Embodiment

The present invention utilizes the time of electronic watch to upgrade the real-time clock of data processing equipment, makes the real-time clock content of data processing equipment can keep correct.In following embodiment, the notebook data treating apparatus is to be example with the notebook computer, and utilizes the instant clock of directly proofreading and correct notebook computer when starting shooting.Yet this measure is not in order to limit the scope of the invention only for convenience of description.

Introduce necessary related elements at this, other element is known by being familiar with this technology personage, and the Therefore, omited is to simplify explanation, and is unavailable to limit the scope of the invention.

Consult Fig. 1, Fig. 1 is the outside drawing of expression data processing equipment of the present invention, is example with the notebook computer at this, but unavailable with restriction the present invention.In the present invention, wireless remote controller 10 is based on present electronic watch, have with infrared transmission and the function of demonstration time, and host computer 11 has the function of receiving infrared-ray data.As shown in Figure 1, display 10A can be used for the demonstration time, and when pressing switch key 10B, wireless remote controller 10A will transmit time data to host computer 11.And when host computer 11 receives above-mentioned time data, can change the content of host computer 11 real-time clocks own according to this time data.With regard to following two embodiment, the detailed situation of the present invention's operation is described now.

First embodiment

Consult Fig. 2, Fig. 2 represents that first reality is dragged in the example cut-away view of wireless remote controller 10 (is example with the electronic watch at this) and host computer 11 according to the present invention.What emphasize once more is, only introduces necessary element related to the present invention at this, and other element is known by being familiar with this technology personage, and the Therefore, omited is to simplify invention.

Introduce structure and operating process thereof now according to the data processing equipment inside in the first embodiment of the present invention.As shown in Figure 2, wireless remote controller 10 inside have a switchgear 21, are used for operating this wireless remote controller.

Counter 22 is calculated the present time in order to the concussion frequency meter according to the crystal oscillator of electronic watch, and is exported time data, the element that this generally has for general electronic watch.Scrambler 23 electrically connects with switchgear 21 and counter 22, and this time data is encoded to a coded signal.Transmitter 24 is in order to export this coded signal to host computer 11.

Host computer 11 inside have a receiver 25, the coded signal of being exported in order to the transmitter 24 that receives wireless remote controller 20.Microcontroller 26 electrically connects with this receiver 25, in order to handle the coded signal that receiver 24 is received, just with these coded signal decoding becoming process chip 27 cognizable time datas.Process chip 27 includes the real-time clock (RTC) of computer system, and when receiving the time data that microcontroller 26 exported, the real-time clock content that it is inner is modified to this time data.

At this moment, when if the user carries out the action of corrective system time, at first must operate the switch key 10B of this wireless remote controller 10, after the user presses this switch key 10B, scrambler 23 can be obtained the present time of electronic watch from counter 22, and this time data is encoded to a wireless encoding signal, and be sent to host computer 11 by transmitter 24.

When the receiver 25 that is positioned at host computer 11 receives the wireless encoding signal that the transmitter 24 by wireless remote controller 20 sent, export this wireless encoding signal to microcontroller 26, and this wireless encoding signal is sent to process chip 27 by isa bus by microcontroller 26, be updated to the content of above-mentioned wireless encoding signal with this RTC, just shown time of display 10A of wireless remote controller 10 at present with process chip 27 inside.Thus, the time content of the timely clock of data processing equipment can be adjusted into identically, reach the purpose of corrective system time with the time content of wireless remote controller 20.

Second embodiment

Consult Fig. 3, Fig. 3 is the cut-away view of expression according to wireless remote controller in the second embodiment of the invention 10 (is example with the electronic watch at this) and host computer 11.In the present embodiment, wireless remote controller 10 has the described function of proofreading and correct the real-time clock of host computer 11 with remote control mode as first embodiment, and in the present embodiment, more the start button with host computer 11 is arranged on the wireless remote controller 10.In this design.The user must be by this wireless remote controller 10 of operation to carry out the action of start, therefore, whenever the user when starting host computer, can be from the real-time clock of normal moveout correction host computer 11.

Data processing equipment inside in introducing according to a second embodiment of the present invention now.Structure and operating process thereof.Shown in the 3rd figure, wireless remote controller 10 inside have a switchgear 31, are used for operating this wireless remote controller.

Memory storage 32 is used for storing start data required when starting host computer 11.Counter 33 is calculated the present time in order to the concussion frequency meter according to the crystal oscillator of electronic watch, and is exported time data, the element that this generally has for general electronic watch.Scrambler 34 electrically connects with counter 33, and this time data is encoded to a time coded data.Traffic pilot 35 is in order to receive these start data and this time code data and to be converted to a coded signal and to export transmitter 36 to.And when transmitter 36 receives this coded signal, export this coded signal to host computer 11.

Host computer 11 inside have a receiver 41, the coded signal of being exported in order to the transmitter 36 that receives wireless remote controller 10.Microcontroller 42, electrically connect with this receiver 41, in order to handle the coded signal that receiver 36 is received, just this coded signal decoding becoming power control 43 and process chip 44 cognizable data are also exported a start enable signal respectively to power control 43, and output one time decoded data is to process chip 44.When power supply control chip 43 receives the start enable signal that microcontroller 42 exported, required power supply and carry out the action of start when host computer 11 starts are provided.Process chip 44, include the real-time clock of computer system, when receiving the time decoder data that microcontroller 42 exported, the content of the real-time clock that it is inner is modified to the content of these time decoder data, just shown time of display 10A of wireless remote controller 10 at present.

At this moment, when if the user carries out boot action, at first must operate the switch key 10B of this wireless remote controller 10, when the user press this switch key 10B after, memory storage 32 can export the start data of its inside to traffic pilot 35, and same, scrambler 34 can be obtained the present time of electronic watch from counter 33, and after this time data is encoded to a time coded data, export traffic pilot 35 to.After traffic pilot 35 receives above-mentioned data, above-mentioned data are sent to host computer 11 by transmitter 36 with the form of wireless encoding signal.

When the receiver 41 that is positioned at host computer 11 receives the wireless encoding signal that the transmitter 36 by wireless remote controller 20 sent, above-mentioned signal is inputed to microcontroller 42.At first, microcontroller 42 is start decoded data and time decoder data with this wireless encoding signal decoding, and the decoded data of should starting shooting inputs to power control 43.After power control 43 received this start decoded data, required power supply was also carried out the action of start when host computer 11 starts were provided.In carrying out boot program, microcontroller 42 continues these time decoder data are sent to process chip 27 by isa bus, be updated to the content of above-mentioned wireless encoding signal by RTC with process chip 27 inside, thus, it is identical with shown time of the display 10A of wireless remote controller 20 that the mode that can utilize remote control is adjusted into the time content of the timely clock of data processing equipment in the process of start, reaches the purpose of corrective system time.In this design, when utilizing this teleswitch to carry out the action of start, system can automatically perform the action of correction time to the user at every turn.

Claims

1. data processing equipment, especially a kind of data processing equipment that utilizes the remote control mode corrective system time is characterized in that this device comprises:

One far end device has a transmitter, is used for sending an accurate time data:

One in order to receive the receiver of the correct time data that this transmitter sends, and is arranged on this main frame; And

The microcontroller of the clock of the one correct time data correction main frame of sending according to receiver is arranged at and is coupled to this receiver in this main frame.

2. data processing equipment as claimed in claim 1 is characterized in that described far end device also comprises:

One is used for exporting the switchgear of the signal of representing these correct time data; And

One when receiving the signal that this switchgear exports, and output one accurate time coding signal is to the chronometric encoder of this transmitter.

3. data processing equipment as claimed in claim 1 is characterized in that described device comprises that also one is used for storing the process chip of these correct time data, is arranged in this main frame.

4. data processing equipment as claimed in claim 1 is characterized in that described far end device is an electronic watch.

5. data processing equipment as claimed in claim 1 is characterized in that described data processing equipment is a notebook computer.

6. data processing equipment, the data processing equipment of especially a kind of corrective system time of utilizing remote control mode when start is characterized in that this device comprises:

One far end device is used for sending and has start data and the data wireless coded data of standard time: and,

One host apparatus, a microcontroller and the system power supply in order to provide this data processing equipment to operate are provided, when this microcontroller received for these wireless encoding data, then this system power supply is opened, and according to this this system time of wireless encoding adjustment of data.

7. data processing equipment as claimed in claim 6 is characterized in that described far end device also comprises:

One is used for exporting the switchgear of the signal of representing these wireless encoding data;

One when receiving the signal that this switchgear exports, and exports the memory storage of startup password data;

One when receiving the signal that this switchgear exports, the chronometric encoder of output one accurate time code data;

One is used for receiving these startup password data and this correct time coded data, and exports the traffic pilot of a deal with data; And

One is used for transmitting the deal with data exported by this traffic pilot transmitter to this main frame.

8. as data processing equipment according to claim 6, it is characterized in that described host apparatus comprises:

One in order to receive the receiver of the deal with data that far end device sends; And

One deal with data that is used for receiving according to this receiver is controlled this system power supply, and proofreaies and correct the microcontroller of this system time, is coupled to this receiver.

9. as data processing equipment according to claim 6, it is characterized in that described this far end device is an electronic watch.

10. as data processing equipment according to claim 6, it is characterized in that described data processing equipment is a notebook computer.