System and method for enabling a mobile device as a portable character input peripheral device

• US 7,650,445 B2
• Filed: 09/12/2007
• Issued: 01/19/2010
• Est. Priority Date: 09/12/2007
• Status: Active Grant

• Current Assignee: Google Technology Holdings LLC (Alphabet Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Lin, Wei, Zhen, Li-Xin, Ma, Changxue
• Primary Examiner(s): Shin; Christopher B
• Application Number:
  US11/853,912
• Publication Number:
  US 20090066541A1
• Time in Patent Office: 860 Days
• Field of Search: 710 8- 14, 710 72- 74, 710300-304, 382/181, 455/556.1, 455/556.2
• US Class Current: 710/72
• CPC Class Codes: G06F 3/0231 Cordless keyboards
• CPC Class Codes: G06F 3/0237 using prediction or retrieval techniques

Abstract

A portable electronic communication device, designed for voice and data communication is utilized as a peripheral input device for transmitting/providing character inputs, entered in the first device'"'"'s touch input mechanism, to a second electronic device. The first device has a mode switching utility that switches the first device between a first standard communication mode and a second peripheral input device mode. When the first device is in the second peripheral input device mode, the first device operates as a peripheral input device for the second device. A character input recognition utility executes on the first device to provide the functions of: detecting an input on the touch screen input mechanism; generating an electronic representation of the input; establishing a communication link between the second communication transmitter and an identified second device; and forwarding the electronic representation of the character input to the communication transmitter for transmission to the identified second device.

Claims

1. A system for enabling utilization of a portable electronic communication device as a peripheral input device for providing character inputs to a second electronic device, said system comprising:

a first device that is a portable electronic communication device utilized for standard voice and data communication over a first wireless communication interface, said first device having;

a processing component;

a touch input mechanism for receiving character inputs;

a mode switching utility that switches the first device between a first standard communication mode enabling standard voice and data communication and a second peripheral input device mode, wherein the first device operates as a peripheral input device for remote character input, including non-standard characters, to a second device separate from local character input to the first device when in the second peripheral input device mode and wherein the mode switching utility enables a concurrent use of the first device for voice and data communication while the first device is in the second peripheral input device mode;

a character input recognition (CIR) utility, which, when the first device is in the peripheral input device mode, executes on the processing component to provide the functions of;

establishing a communication link between the first device and an identified second device; and

on detecting that the communication link is established, forwarding an electronic representation of one or more character inputs received at the touch input mechanism, including non-standard characters, to the identified second device via the communication link.

2. The system of claim 1, wherein said CIR utility further provides the functions of:

receiving an input on the touch input mechanism;

generating the electronic representation of the input;

evaluating the input against a dictionary of known characters to determine a best match of the input as a character input;

when one or more matches of the character input is found within the dictionary of known characters, forwarding the electronic representation of the best match of the input to the identified second device via the communication link; and

when no match of the character input is found within the dictionary of known characters;

generating a message that the character input is not recognizable;

enabling an update to the character input recognition dictionary with a new character input; and

transmitting raw character input data received at the first device directly to the second device as the new character input.

3. The system of claim 1, wherein the first portable electronic communication device further comprises:

a first wireless transmitter that enables the communication device to communicate the standard voice and data communication using at least a first communication protocol when the first device is in standard communication mode;

a second communication transmitter that transits signals of character inputs to the identified second device via the communication link when the first device is in the second peripheral input device mode; and

wherein, when the second communication transmitter is a Bluetooth (BT) transmitter, said establishing the communication link comprises activating a pairing of the BT transmitter with a BT receiver of the identified second device.

4. The system of claim 1, wherein said CIR utility further provides the functions of:

buffering the one or more character inputs within a CIR buffer in the first device prior to forwarding the electronic representation of the character inputs via the communication link; and

detecting when the communication link is later established with the second device; and

transmitting buffered character inputs to the second device when the communication link is later established with the second device;

wherein the one or more character inputs are transmitted from the first device to the identified second device via the communication link when the one or more character inputs are received at the first device, while the communication link is established.

5. The system of claim 1, wherein:

said CIR utility further comprises a dictionary of known characters, wherein the dictionary of known characters is a dictionary of characters in a language that includes non-standard characters; and

said CIR utility further provides the functions of;

accessing the dictionary of known characters;

comparing the character input against characters within the dictionary of known characters for a best match;

when one or more matches of the character input is found within the dictionary of known characters, identifying the best match from the dictionary for forwarding to the identified second device; and

when no match of the character input is found within the dictionary of known characters;

generating a message that the character input is not recognizable;

enabling an update to the dictionary with a new character input; and

transmitting raw character input data received at the first device directly to the second device.

6. The system of claim 1, wherein said CIR utility further comprising code for providing the functions of:

generating a table of characters that are substantially similar to the one or more character inputs received;

enabling user selection of a best match from the table of characters; and

enabling copying of a character at the first device and pasting of the character into the one or more applications executing on the second device.

7. The system of claim 1, wherein the first device is a device having a primary communication function that enables the first device to operate as a voice/mobile communication device and a mechanism for inputting characters to enable the device to operate as a peripheral device for character input, said device being one or more of a cellular phone, a personal digital assistant, an iPhone®

, a Blackberry, a smart phone, an IPod®

, a portable media player, a portable phone, and a portable GPS (global positioning system) device.

8. The system of claim 1, wherein the identified second device comprises:

a processor;

a receiver device for establishing the communication link with the first device and receiving the one or more character inputs from the first device via the communication link;

a character input recognition and confirmation/verification (CIRC) utility that executes on the processor of the identified second device to provide the functions of;

receiving the character input from the first device via the communication link;

generating a selection of one or more characters that are possible representations of the character inputs received from the first device;

for each character input received, enabling selection from the first device of a single character from among the one or more characters as a correct character for forwarding to an executing application; and

automatically inserting the correct character into the executing application following selection of the correct character.

9. The system of claim 8, wherein the second device further comprises:

one or more applications executing on the processor and which provides a graphical interface within which received character inputs are displayed;

wherein said CIRC utility forwards the correct character to a presently active application among the one or more applications; and

wherein the CIRC utility further enables;

receiving of raw character input data from the first device;

updating of a local dictionary at the second device with a new character input received from the first device; and

copying of a character at the first device and pasting of the character into the one or more applications executing on the second device.

10. A portable electronic communication device (communication device) comprising:

a processing component;

a touch input mechanism for receiving character inputs;

a mode switching utility that switches the device between a first standard communication mode and a second peripheral input device mode, wherein;

the communication device is utilized for standard voice and data communication over a first wireless communication interface when in the first standard communication mode; and

the communication device operates as a peripheral input device for remote character input, including non-standard characters, to a second device separate from local character input to the first device when the communication device is in the second peripheral input device mode; and

the communication device is configured to enable concurrent use for voice and data communication, while the communication device is in the second peripheral input device mode;

a character input recognition (CIR) utility, which, when the communication device is in the peripheral input device mode, executes on the processing component to provide the functions of;

establishing a communication link between the communication device and an identified second device; and

forwarding an electronic representation of character inputs received at the touch input mechanism, including non-standard characters, to the identified second device via the communication link.

11. The device of claim 10, wherein said CIR utility executing on the processing component further provides the functions of:

receiving an input on the touch input mechanism;

generating the electronic representation of the input;

evaluating the input against a dictionary of known characters to determine a best match of the input as a character input;

generating a table of characters that are substantially similar to the received character input;

enabling user selection of the best match from within the table of characters;

when one or more matches of the character input is found within the dictionary of known characters, forwarding the electronic representation of the best match of the input to the identified second device via the communication link; and

when no match of the character input is found within the dictionary of known characters;

generating a message that the character input is not recognizable;

enabling an update to the dictionary with a new character input; and

transmitting raw character input data received at the communication device directly to the second device as the new character input.

12. The device of claim 10, further comprising:

a first wireless transmitter that enables the communication device to communicate the standard voice and data communication using a first communication protocol when the communication device is in standard communication mode;

a second communication transmitter that transits signals of character inputs to the identified second device via the communication link when the communication device is in peripheral input device mode; and

wherein, when the second communication transmitter is a Bluetooth (BT) transmitter, said establishing the communication link comprises activating a pairing of the BT transmitter with a BT receiver of the identified second device.

13. The device of claim 10, wherein said CIR utility further provides the functions of:

buffering the one or more character inputs within a CIR buffer in the communication device prior to forwarding the electronic representation of the character inputs via the communication link;

detecting when the communication link is later established with the second device; and

transmitting buffered character inputs to the second device when the communication link is later established with the second device;

wherein the one or more character inputs are transmitted from the first device to the identified second device via the communication link when the one or more character inputs are received at the first device, while the communication link is established.

14. The device of claim 10, wherein:

said CIR utility further comprises a dictionary of known characters, wherein the dictionary of known characters is a dictionary of characters in a language that includes non-standard characters; and

said CIR utility further provides the functions of;

accessing the dictionary of known characters;

comparing the character input against characters within the dictionary of known characters for a best match;

when one or more matches of the character input is found within the dictionary of known characters, identifying the best match from the dictionary for forwarding to the identified second device; and

when no match of the character input is found within the dictionary of known characters;

generating a message that the character input is not recognizable;

enabling an update to the dictionary with a new character input; and

transmitting raw character input data received at the first device directly to the second device as the new character input.

15. The device of claim 10, wherein:

the communication device is one or more of a cellular phone, a personal digital assistant, an iPhone®

, a Blackberry, a smart phone, an IPod®

, a portable media player, a portable phone, and a portable GPS (global positioning system) device; and

said CIR utility further provides the functions of;

generating a table of characters that are substantially similar to the one or more character inputs received;

enabling user selection of a best match from the table of characters; and

enabling copying of a character at the first device and pasting of the character into the one or more applications executing on the second device.

16. A method for enabling use of a portable communication device as a peripheral input device for character input to a second device, said method comprising:

switching a mode of operation for the device from a first standard communication mode to a second peripheral input device mode, wherein;

the device is utilized for standard voice and data communication over a first wireless communication interface when in the first standard communication mode;

the device operates as a peripheral input device for a second device when in the second peripheral input device mode, and the device may be utilized concurrently for standard voice and data communication while in the second peripheral input device mode;

receiving an input on the touch input mechanism;

generating an electronic representation of the input;

evaluating the input against a dictionary of known characters to determine a best match of the input as a character input, wherein the dictionary of known characters is a dictionary of characters in a language that includes non-standard characters;

when one or more known characters that are similar to the input are found within the dictionary of known characters;

generating a table of characters that are substantially similar to the received character input;

enabling user selection of the best match from within the table of characters;

when no match of the input is found within the dictionary of known characters;

generating a message that the input is not recognizable; and

enabling an update to the dictionary with a new character input;

establishing a communication link between the device and an identified second device; and

forwarding an electronic representation of the input received at the touch input mechanism to the identified second device via the communication link, wherein said forwarding forwards to the second device via the communication link one of;

(a) the electronic representation of the best match, when at least one match of the input is found within the dictionary of known characters;

or (b) the electronic representation of raw character input data received at the first device when no match of the input is found within the dictionary of known characters.

17. A readable storage medium utilized within a portable communication device, wherein the storage medium comprises program code that when executed by a processor within the portable communication device provides the functions of claim 16.

18. A data processing system comprising:

a processor;

a receiver for receiving from a remote peripheral device, electronic inputs representing one or more character inputs entered at the remote peripheral device;

a character input recognition and confirmation/verification (CIRC) utility that executes on the processor to provide the functions of;

receiving the one or more character inputs from the remote peripheral device via a communication link;

when the one or more character inputs received are similar to one or more known characters within a dictionary of known characters;

generating a selection of one or more characters that are possible representations of the one or more character inputs that was received from the remote peripheral device;

enabling selection of a character for each of the one or more character inputs from among the one or more characters as a correct character for forwarding to an executing application; and

automatically inserting the correct character into the executing application following selection of the correct character; and

when no match of the one or more character inputs is found within the dictionary of known characters;

generating a message that one or more of the character inputs is not recognizable;

enabling an update to the dictionary with a new character input; and

inserting the new character input into the executing application.

19. The data processing system of claim 18, further comprising:

one or more applications executing on the processor and which provides a graphical interface within which received character inputs are displayed; and

wherein said CIRC utility further provides the functions of;

receiving of raw character input data from the first device;

updating of a local dictionary at the second device with a new character input received from the first device; and

copying of a character at the first device and pasting of the character into the one or more applications executing on the second device; and

forwarding a correct character to a presently active application among the one or more applications.

20. The data processing system of claim 18, wherein:

said CIRC utility further comprises a dictionary of known characters, wherein the dictionary of known characters is a dictionary of characters in a language that includes non-standard characters;

said CIRC utility further provides the functions of;

accessing the dictionary of known characters;

comparing the one or more character inputs against characters within the dictionary of known characters for a best match;

generating a table of characters that are substantially similar to the one or more character inputs received;

identifying the best match from the dictionary for forwarding to the executing application; and

wherein said forwarding forwards the electronic representation of the best match to the executing application.

21. A method for receiving and processing character inputs from a remote peripheral device, said method comprising:

receiving one or more character inputs from the remote peripheral device via a communication link;

when the one or more character inputs received are similar to one or more known characters within a dictionary of known characters;

generating a selection of one or more characters that are possible representations of the one or more character inputs received from the remote peripheral device;

enabling selection of a character for each of the one or more character inputs from among the one or more characters as a correct character for forwarding to an executing application; and

automatically inserting the correct character into the executing application following selection of the correct character;

when no match of the one or more character inputs is found within the dictionary of known characters;

generating a message that one or more of the character inputs is not recognizable;

enabling an update to the dictionary with a new character input; and

inserting the new character input into the executing application; and

enabling copying of a character at the first device and pasting of the character into the one or more applications executing on the second device.

22. The method of claim 21, further comprising:

accessing a dictionary of known characters, wherein the dictionary of known characters is a dictionary of characters in a language that includes non-standard characters;

comparing the one or more character inputs against characters within the dictionary of known characters for a best match;

generating a table of characters that are substantially similar to the one or more character inputs received;

identifying the best match from the dictionary for forwarding to the executing application; and

wherein said inserting automatically inserts the best match of the characters within the executing application when a correct character is not selected.