Touch system and touch sensitive processing apparatus and method thereof for detecting whether touch panel is partially submerged in conductive liquid

A method for detecting whether a touch panel is partially submerged in conductive liquid, wherein the touch panel comprises multiple parallel first electrodes and multiple parallel second electrodes, wherein the method comprising:

• driving at least one of the first electrodes and sensing the first electrodes for determining which of the first electrodes are covered by the conductive liquid;
• driving at least one of the second electrodes and sensing the second electrodes for determining which of the second electrodes are covered by the conductive liquid;
• determining a liquid surface line according to the second electrodes which are un-submerged if all of the first electrodes and part of the second electrodes are determined being submerged in the conductive liquid;
• and
• determining the liquid surface line according to the first electrodes and the second electrodes which are un-submerged if part of the first electrodes and part of the second electrodes are determined being submerged in the conductive liquid.

A touch system for detecting whether a touch panel is partially submerged in conductive liquid, comprising:

• the touch panel;
• a touch sensitive processing apparatus, further comprising:
• a driving circuit module;
• a sensing circuit module;
• an interconnection network module, configured to connect the driving circuit module and one of multiple parallel first electrodes and multiple parallel second electrodes of the touch panel and to connect the sensing circuit module and one of the multiple parallel first electrodes and the multiple parallel second electrodes of the touch panel;
• and
• a processor module, connected to the driving circuit module, the sensing circuit module and the interconnection network module, configured to execute instruction for implementing following steps:
• having the driving circuit module drive at least one of the first electrodes and having the sensing circuit module sense the first electrodes for determining which of the first electrodes are covered by the conductive liquid;
• having the driving circuit module drive at least one of the second electrodes and having the sensing circuit module sense the second electrodes for determining which of the second electrodes are covered by the conductive liquid;
• determining a liquid surface line according to the second electrodes which are un-submerged if all of the first electrodes and part of the second electrodes are determined being submerged in the conductive liquid;
• and
• determining the liquid surface line according to the first electrodes and the second electrodes which are un-submerged if part of the first electrodes and part of the second electrodes are determined being submerged in the conductive liquid.