Digital Electronic Apparatus

• US 20100277327A1
• Filed: 07/10/2009
• Published: 11/04/2010
• Est. Priority Date: 04/29/2009
• Status: Active Grant

• Current Assignee: E Ink Holdings Incorporated
• Original Assignee: E Ink Holdings Incorporated
• Inventors: LEE, Cheng-Hao
• Granted Patent: US 8,362,910 B2
• Time in Patent Office: Days
• US Class Current: 340/636.16
• CPC Class Codes: G06F 1/30 Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations for resetting only G06F1/24
• CPC Class Codes: G06F 3/03545 Pens or stylus
• CPC Class Codes: G06F 3/04162 for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
• CPC Class Codes: G06F 3/046 by electromagnetic means

Abstract

A digital electronic apparatus includes a touch display panel, an active touch pen and a power shortage reminding module. The active touch pen is suitable for inputting signals to the touch display panel. The power shortage reminding module is disposed in one of the touch display panel and the active touch pen. The power shortage reminding module is suitable for monitoring a remaining power of the active touch pen and prompting the touch display panel to send out a reminding signal for charging the active touch pen, and therefore, the active touch pen can be timely charged, which prevents the power of the active touch pen be exhausted in use.

Claims

1. A digital electronic apparatus comprising:

a touch display panel;

an active touch pen suitable for inputting signals to the touch display panel; and

a power shortage reminding module disposed in one of the touch display panel and the active touch pen, and suitable for monitoring a remaining power of the active touch pen and prompting the touch display panel to send out a reminding signal for charging the active touch pen.

2. The digital electronic apparatus as claimed in claim 1, wherein the touch display panel includes a charging slot, and the active touch pen is suitable for being inserted into the charging slot and being electrically connected to the charging slot.

3. The digital electronic apparatus as claimed in claim 2, wherein the power shortage reminding module is disposed in the touch display panel, and the power shortage reminding module is suitable for counting a duration of the active touch pen and the charging slot being electrically insulated and suitable for prompting the touch display panel to sending out the reminding signal for charging the active touch pen when the duration reaches or exceeds a first predetermined value.

4. The digital electronic apparatus as claimed in claim 3, wherein the power shortage reminding module is software.

5. The digital electronic apparatus as claimed in claim 3, wherein the touch display panel includes a rechargeable battery and a power management module, and the power shortage reminding module is integrated to the power management module.

6. The digital electronic apparatus as claimed in claim 1, wherein the power shortage reminding module is disposed in the active touch pen, and the power shortage reminding module is suitable for monitoring the remaining power of the active touch pen and suitable for prompting the touch display panel to send out the reminding signal for charging the active touch pen when the remaining power of the active touch pen being equal to or less than a second predetermined value.

7. The digital electronic apparatus as claimed in claim 6, wherein the power shortage reminding module is a simulating circuit.

8. The digital electronic apparatus as claimed in claim 1, wherein the reminding signal is an image signal and the image signal is displayed on the touch display panel.

9. The digital electronic apparatus as claimed in claim 8, wherein the image signal is a flicker battery symbol.

10. The digital electronic apparatus as claimed in claim 1, wherein the reminding signal is a sound signal, and the sound signal is sounded by a loudspeaker of the touch display panel.

11. The digital electronic apparatus as claimed in claim 1, wherein the touch display panel comprising:

an electromagnetic induction type touch panel; and

a display panel disposed on the electromagnetic induction type touch panel.

12. The digital electronic apparatus as claimed in claim 11, wherein the display panel is a reflective display panel.