TWI266551B - And apparatus for identifying the type of a headphone - Google Patents
And apparatus for identifying the type of a headphoneInfo
- Publication number
- TWI266551B TWI266551B TW93116296A TW93116296A TWI266551B TW I266551 B TWI266551 B TW I266551B TW 93116296 A TW93116296 A TW 93116296A TW 93116296 A TW93116296 A TW 93116296A TW I266551 B TWI266551 B TW I266551B
- Authority
- TW
- Taiwan
- Prior art keywords
- headphone
- signal
- type
- identifying
- encoding
- Prior art date
Links
Landscapes
- Telephone Function (AREA)
- Headphones And Earphones (AREA)
Abstract
A method and apparatus for identifying the type of a headphone is applied a phone jack. When the head phone insert the phone jack, a signal in a stand-encoding signal set occurs variation with high or low voltage potential based on a trigger of insertion terminal of the headset. These signal in the stand-encoding set is compared with a signal encoding corresponding table in sequence to identify the type of the headphone inserted in the phone jack, and to start the function belong to the headphone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW93116296A TWI266551B (en) | 2004-06-07 | 2004-06-07 | And apparatus for identifying the type of a headphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW93116296A TWI266551B (en) | 2004-06-07 | 2004-06-07 | And apparatus for identifying the type of a headphone |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200541370A TW200541370A (en) | 2005-12-16 |
TWI266551B true TWI266551B (en) | 2006-11-11 |
Family
ID=38191597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW93116296A TWI266551B (en) | 2004-06-07 | 2004-06-07 | And apparatus for identifying the type of a headphone |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI266551B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8467828B2 (en) | 2007-01-05 | 2013-06-18 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
US8629580B2 (en) | 2011-02-09 | 2014-01-14 | Apple Inc. | Audio accessory type detection and connector pin signal assignment |
TWI511034B (en) * | 2013-02-21 | 2015-12-01 | Acer Inc | Electronic device and control method |
-
2004
- 2004-06-07 TW TW93116296A patent/TWI266551B/en not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8467828B2 (en) | 2007-01-05 | 2013-06-18 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
US9301045B2 (en) | 2007-01-05 | 2016-03-29 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
US9838780B2 (en) | 2007-01-05 | 2017-12-05 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
US10659874B2 (en) | 2007-01-05 | 2020-05-19 | Apple Inc. | Audio I O headset plug and plug detection circuitry |
US8629580B2 (en) | 2011-02-09 | 2014-01-14 | Apple Inc. | Audio accessory type detection and connector pin signal assignment |
TWI511034B (en) * | 2013-02-21 | 2015-12-01 | Acer Inc | Electronic device and control method |
Also Published As
Publication number | Publication date |
---|---|
TW200541370A (en) | 2005-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |