CN1171370C - Scanner with sectional scanning speeds and its scanning method - Google Patents
Scanner with sectional scanning speeds and its scanning method Download PDFInfo
- Publication number
- CN1171370C CN1171370C CNB011253738A CN01125373A CN1171370C CN 1171370 C CN1171370 C CN 1171370C CN B011253738 A CNB011253738 A CN B011253738A CN 01125373 A CN01125373 A CN 01125373A CN 1171370 C CN1171370 C CN 1171370C
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- electric power
- battery
- scanner
- scanning
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Abstract
The present invention provides a scanner with multiple sections of scanning speed, and a scanning method thereof. At least one battery is matched with a scanner which can be electrically connected with a computer. Thus, under the condition that the battery has abundant electric power, the battery can provide the electric power for the scanner so that the scanner can scan at high speed; under the condition that the battery is lack of the electric power, the scanner can scan at low speed by sharing the electric power resource of the computer. The scanner can automatically judge the occasions for scanning at high speed or low speed.
Description
Technical field
The present invention relates to the scan method of a kind of scanner and this scanner, particularly have the scanner of sectional scanning speeds, and can produce the method for high speed or low-velocity scanning effect.
Background technology
The sweep speed of scanner depends in part on light-source brightness and the motor speed that impinges upon on the file.Light-source brightness then is voltage or the electric current that depends on by being applied on the light source, and motor speed is to depend on electric current and voltage swing.In other words, provide abundant voltage or electric current to light source and motor, then light source just can produce higher brightness, and impinge upon on the file with higher brightness, to shorten the file exposure time, motor can be to move than higher speed, and so scanner just can produce sweep speed faster; Otherwise, slower sweep speed is then arranged.
Scanner in the past all is the mode by external power supply, provides big voltage or electric current to light source and motor.This kind scanner has bigger and more stable voltage or electric current because of possessing, so the speed of scanning is comparatively fast also more stable.But the connecting line quantity of this kind scanner is more and need external power supply, so be difficult for portably using.
Present product trend is towards using universal serial bus (USB) and IEEE 1394 to come integrated drive generator supply and transfer of data, to reduce the connecting line quantity between scanner and the computer.For the scanner that scan pattern is CIS, because of product itself is designed to gently easily, thin, short, little form, so cooperate USB/1394 to come integrated drive generator and transfer of data, not only can significantly reduce the configuration of shared space of scanner and simplification connecting line, more help portably using.And for the scanner that scan pattern is CCD, though equally also can use USB/1394 integrated drive generator and transfer of data, the product of the too late CIS pattern of the lightness of product.
Yet, the electrical power that present USB can provide is 2.5W, and the electrical power of this 2.5W must be supplied with motor, circuit, the light source that is installed in the scanner, and other peripheral electronic components, so the electrical power that light source and motor can be assigned to and few, the brightness that causes light source to impinge upon on the file is not high, thus, certainly will increase the time for exposure on the file, motor also can't reach at a high speed, so can't reach effective purpose that shortens sweep time.
Summary of the invention
A purpose of the present invention is that a kind of scanner with sectional scanning speeds is being provided.Mainly be that scanner sets at least one battery, and cooperate the USB/1394 interface to be electrically connected, in order to carrying out high-velocity scanning, or utilize USB/1394 to share the electric power of computer to carry out low-velocity scanning with battery electric power with computer.
Another object of the present invention is that a kind of scan method with scanner of sectional scanning speeds is being provided.The main storage that detects battery electric power earlier more than default electric power storage, is then carried out high-velocity scanning by battery electric power driven sweep module; When the electric power storage was lower than default electric power, then the electric power that can transmit with USB/1394 carried out low-velocity scanning.
When scanning or carrying out low-velocity scanning, can cooperate charging circuit that battery is charged, to improve the electric power storage of battery.
According to one embodiment of the present of invention, be meant a kind of scanner with sectional scanning speeds, include:
The one scan device has scan module and obtains image information with scanning document;
At least one battery is installed on the scanner, and can the driven sweep module carry out high-velocity scanning;
One battery detection circuit is to be provided in removably in the scanner, in order to detect storing and the electric power storage of battery; It is characterized in that, and comprise:
One electric power signal port be to be electrically connected with transferring electric power and data with Image Information Processing/display device, and the electric power that is transmitted can carry out low-velocity scanning in order to the driven sweep module; Wherein: detect under the abundant situation of the electric power storage of battery at battery detection circuit, scanner is to carry out high-velocity scanning with battery electric power; When battery detection circuit detected battery electric power storage deficiency, scanner was to carry out low-velocity scanning with the electric power that the electric power signal port is transmitted.
The present invention also provides a kind of scan method with scanner of sectional scanning speeds, this scanner be by the electric power signal port with Image Information Processing/display device line, this scan method comprises following steps: the electric power storage that (A) detects battery; (B) select sweep speed automatically according to the electric power storage of battery.
So, scanner described in the invention can be selected at a high speed or the sweep speed of low speed by scanner, and reach the purpose that sectional scanning speeds is provided under different electric power situations automatically.
Description of drawings
Fig. 1 is an outside drawing of the present invention.
Fig. 2 is a circuit structure calcspar of the present invention.
Fig. 3 is a scan method flow chart of the present invention.
Fig. 4 is charging flow figure of the present invention.
Embodiment
Fig. 1 is the scanner according to preferred embodiment of the present invention.This scanner 10 is to be electrically connected with Image Information Processing/display device 30 by universal serial bus (USB) or 1394 lines (electric power signal line) 20, and is equipped with battery 11 on the scanner 10.Wherein, the scan pattern of this scanner 10 can be CIS pattern or CCD pattern, is good with the CIS pattern especially.And this Image Information Processing/display device 30 is meant desktop PC, or mobile computer, or other display unit that can mat USB/1394 interface connect.
Figure 2 shows that the structure calcspar of scanner of the present invention.Be equipped with one or more battery 11 in the scanner 10.This battery 11 can be rechargeable battery or non-rechargeable battery, and present embodiment is example with the rechargeable battery.Be equipped with USB/1394 port (electric power signal port) 12, charging circuit (recharge circuit) 13, electric power testing circuit 14 and scan module 15 in addition in the scanner 10.
This USB/1394 port one 2 externally is provided with holding wire L1 and power line L2, and is connected with scan module 15 with holding wire L3 and low current power line L4.In addition, be connected with charging circuit 13 with another low current power line L5 again.
This charging circuit 13 is to be connected with battery 11 with a charge/discharge power line L10, with a power level line (power level line) L6, a high power line L7, is connected with electric power testing circuit 14 again.
This electric power testing circuit 14 is to be connected with scan module 15 with a power condition signal line L8 and a high power line L9.
Be electric power when abundant when battery 11 detects via electric power testing circuit 14, can provide the scanning module 15 of capacity voltage, carry out scanning motion to drive this scan module 15 by L10, L7, L9 to scanner 10.
And detect when being battery 11 power shortages by electric power testing circuit 14, USB/1394 port one 2 will carry out scanning motion through L4 with driven sweep module 15 by the electric power that L2 imported.
The situation of above-mentioned power shortage comprise not installation of battery 11, or the charge capacity of battery 11 is lower than predefined electric weight.
Because the voltage/current that the voltage/current that battery 11 can provide can transmit greater than the USB/1394 interface, therefore under the situation with battery 11 supply electric power, the light source (not shown) of scan module 15 can produce bigger brightness, makes be shortened sweep time, and obtains the effect of high-velocity scanning.Otherwise the electric power with USB interface transmission supply only can reach the low-velocity scanning effect.
Fig. 3 is a scan method flow chart of the present invention.Comprise following steps:
S30: with universal serial bus (USB) and Image Information Processing/display device line.Make scanner and Image Information Processing/display device, finish standby, and can begin scanning.
S32: the electric power storage that detects battery.To detect storing of battery this moment by electric power testing circuit (not shown), and the battery electric power storage.When battery did not exist, detected electric power storage was zero.When battery does not exist, can't carry out charge/discharge.
S34: the electric power storage according to battery is selected sweep speed automatically.When battery electric power on preset value, then can carry out high-velocity scanning, and battery is not settled or electric power is lower than preset value, then provides electric power to carry out low-velocity scanning by USB/1394.
With reference to shown in Figure 2, when carrying out low-velocity scanning, the electric current of being imported by USB/1394 port one 2 flows to charging circuit 13 with some, so that battery 11 is charged.
Fig. 4 is charging flow figure of the present invention, comprises following steps:
S40: detect battery and whether exist.
S42: battery exists, and then detects the electric weight of battery.
S44: battery does not exist or battery electric quantity did not charge when saturated (being higher than default electric weight).
S46: battery electric quantity charges when not enough.
More than the required power supply of charging is the electric current of being imported from the USB/1394 interface, so also comprises in the charging flow:
S40: the connection of testbus? appropriate when the bus connection, then carry out S40 and detect the step whether battery exists; Otherwise carry out the action that S44 does not charge.
In addition, the electric power that combination USB/1394 interface is transmitted and the electric power of battery 11 then for scan module 15, can obtain bigger electric current, so also can improve the sweep speed under power shortage.
Because the present invention can provide electric power to scan by battery 11, so do not need the connecting line of external power supply, has tangible effect for reducing connecting line quantity.The present invention can select suitable sweep speed automatically according to the electric power situation in addition, therefore than only providing the scanner of low-velocity scanning state to have more practical function.
Aforementioned scanning example, preferred embodiment of the present invention and accompanying drawing have been disclosed, but preferred embodiment and accompanying drawing only illustrate, be not to be used to limit claim scope of the present invention, everyly implement the present invention or implement, all do not break away from spirit of the present invention and interest field with scope that claim was contained with the technological means that is equal to.
Claims (9)
1. scanner with sectional scanning speeds includes:
The one scan device has scan module and obtains image information with scanning document;
At least one battery is installed on the scanner, and can the driven sweep module carry out high-velocity scanning;
One battery detection circuit is to be provided in removably in the scanner, in order to detect storing and the electric power storage of battery; It is characterized in that, and comprise:
One electric power signal port be to be electrically connected with transferring electric power and data with Image Information Processing/display device, and the electric power that is transmitted can carry out low-velocity scanning in order to the driven sweep module; Wherein: detect under the abundant situation of the electric power storage of battery at battery detection circuit, scanner is to carry out high-velocity scanning with battery electric power; When battery detection circuit detected battery electric power storage deficiency, scanner was to carry out low-velocity scanning with the electric power that the electric power signal port is transmitted.
2. the scanner with sectional scanning speeds as claimed in claim 1, wherein battery is a TunePower.
3. the scanner with sectional scanning speeds as claimed in claim 2 wherein also includes a charging circuit, in order to cooperate the electric power that the electric power signal port is transmitted rechargeable battery is charged.
4. the scanner with sectional scanning speeds as claimed in claim 1, wherein battery is non-TunePower.
5. the scanner with sectional scanning speeds as claimed in claim 1, wherein this Image Information Processing/display device is a computer.
6. scan method with scanner of sectional scanning speeds, this scanner be by the electric power signal port with Image Information Processing/display device line, this scan method comprises following steps:
(A) the electric power storage of detection battery;
(B) select sweep speed automatically according to the electric power storage of battery.
7. the scan method with scanner of sectional scanning speeds as claimed in claim 6, wherein step (B) comprises:
(B1) the electric power storage at battery is abundant down, carries out high-velocity scanning with battery electric power;
(B2) following in battery electric power storage deficiency carried out low-velocity scanning with the electric power that the electric power signal port is transmitted.
8. the scan method with scanner of sectional scanning speeds as claimed in claim 7, wherein step (B2) also comprises the electric power that transmitted with the electric power signal port step to battery charge.
9. the scan method with scanner of sectional scanning speeds as claimed in claim 6, wherein this Image Information Processing/display device is a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011253738A CN1171370C (en) | 2001-08-31 | 2001-08-31 | Scanner with sectional scanning speeds and its scanning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011253738A CN1171370C (en) | 2001-08-31 | 2001-08-31 | Scanner with sectional scanning speeds and its scanning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1404198A CN1404198A (en) | 2003-03-19 |
| CN1171370C true CN1171370C (en) | 2004-10-13 |
Family
ID=4665978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011253738A Expired - Lifetime CN1171370C (en) | 2001-08-31 | 2001-08-31 | Scanner with sectional scanning speeds and its scanning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1171370C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4502360B2 (en) * | 2003-08-27 | 2010-07-14 | キヤノン株式会社 | Imaging device |
-
2001
- 2001-08-31 CN CNB011253738A patent/CN1171370C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1404198A (en) | 2003-03-19 |
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Granted publication date: 20041013 |
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