Portable computing device that records operator inputs

• US 6,710,769 B2
• Filed: 06/04/2001
• Issued: 03/23/2004
• Est. Priority Date: 06/04/2001
• Status: Expired due to Fees

• Current Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Original Assignee: Hewlett-Packard Development Company, L.P. (HP Inc.)
• Inventors: Loughran, Stephen A, Loh, Weng Wah
• Primary Examiner(s): Hjerpe, Richard
• Assistant Examiner(s): NGUYEN, JENNIFER T
• Application Number:
  US09/874,190
• Publication Number:
  US 20020180705A1
• Time in Patent Office: 1,023 Days
• Field of Search: 345/156, 345/157, 345/158, 345/170, 345/171, 345/173, 345/179, 345/168, 345/169, 341/21-24
• US Class Current: 345/168
• CPC Class Codes: G06F 3/023 Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes

Abstract

A computing device includes a keyboard controller that is adapted to convey an operator input from the keyboard controller along a communications channel. Also included is a battery module, which is interfaced to the communications channel, for receiving the operator input. The computing device further includes a memory element located within the battery module for recording the operator input.

Claims

1. A computing device that records an operator input, comprising:

a keyboard controller adapted to convey said operator input from said keyboard controller along a communications channel;

a battery module, which is interfaced to said communications channel, for receiving said operator input;

a memory element located within said battery module for recording said operator input, and

a second memory element coupled to said keyboard controller for instructing said keyboard controller to transmit said operator input after receiving a notification that said memory element located within said battery module is ready to record said operator input.

2. The computing device of claim 1 wherein said operator input is a keystroke.

3. The computing device of claim 1 wherein said operator input is generated by a graphical pointing device coupled to said keyboard controller.

4. The computing device of claim 1 wherein said communications channel is a serial data bus.

5. The computing device of claim 4 wherein said serial data bus is an Inter-Integrated Circuit (I2C) bus.

6. The computing device of claim 1 wherein said second memory element is a read-only memory element that stores a power-on system test program.

7. The computing device of claim 1 wherein the contents of said second memory element are modified by a device driver that instructs said keyboard controller to begin conveying said operator inputs along said communications channel.

8. In a computing device, a method for recording a representation of an operator selection, comprising:

conveying said representation of said operator selection from a keyboard processor to a battery module;

receiving said representation of said operator selection at said battery module;

receiving a notification that said battery module is ready to record said representation of said operator selection, and

storing said representation of said operator selection operator in said battery module.

9. The method of claim 8 wherein said operator selection is a keystroke.

10. The method of claim 8 wherein said operator selection is an input from a graphical pointing device.

11. The method of claim 8 wherein said conveying action occurs by way of transmitting said representation of said operator selection along a data bus.

12. The method of claim 11 wherein said data bus is an Inter-Integrated Circuit (I2C) bus.

13. The method of claim 8 further comprising a memory unit transmitting instructions to said keyboard processor, said instructions instructing said keyboard processor to transmit said operator selection after receiving said notification that a memory element located within said battery module is ready to record said representation of said operator selection.

14. The method of claim 13 further comprising modifying contents of said memory unit via an upgrade to a device driver program, said upgrade including instructions that instruct said keyboard processor to transmit said operator selection after receiving said notification that a memory element located within said battery module is ready to record said operator selection.

15. A module for recording operator inputs to a portable computing device, comprising:

a chemical energy storage element that provides energy to said portable computing device;

a memory element housed in an enclosure along with said chemical energy storage element, said memory element being adapted to record said representation of said operator selection, and

a transmitter for transmitting a notification that said memory element is ready to record said operator inputs.

16. The module of claim 15 additionally comprising a data bus receiver that receives said operator inputs.

17. The module of claim 16 wherein said data bus is an Inter-Integrated Circuit (I2C) bus.

18. A program storage device readable by a computing device, tangibly embodying a program of instructions executable by said computing device to perform method steps for directing said computing device to record an operator input, said method comprising:

transmitting said operator input to a battery module, said transmitting action being performed by a keyboard controller of said computing device;

receiving said operator input at said battery module;

storing said operator input in a memory element located within said battery module, and

a second memory element instructing said keyboard controller to transmit said operator input after receiving a notification that said memory element located within said battery module is ready to record said operator input.

19. The program storage device of claim 18 wherein said transmitting action is performed by way of transmitting said operator input along a data bus.

20. The program storage device of claim 19 wherein said data bus is an Inter-Integrated Circuit (I2C) bus.

21. The method of claim 18 further comprising modifying contents of said second memory element via an upgrade to a device driver, said upgrade including instructions which instruct said keyboard controller to begin transmitting said operator input to said battery module.