TW200638277A - Battery activation circuit - Google Patents

Battery activation circuit

Info

Publication number
TW200638277A
TW200638277A TW094113162A TW94113162A TW200638277A TW 200638277 A TW200638277 A TW 200638277A TW 094113162 A TW094113162 A TW 094113162A TW 94113162 A TW94113162 A TW 94113162A TW 200638277 A TW200638277 A TW 200638277A
Authority
TW
Taiwan
Prior art keywords
activate
command
interrupt
signal
proper length
Prior art date
Application number
TW094113162A
Other languages
Chinese (zh)
Other versions
TWI270822B (en
Inventor
Roger Green Stewart
Daniel Noah Paley
Original Assignee
Intelleflex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intelleflex Corp filed Critical Intelleflex Corp
Priority to TW94113162A priority Critical patent/TWI270822B/en
Publication of TW200638277A publication Critical patent/TW200638277A/en
Application granted granted Critical
Publication of TWI270822B publication Critical patent/TWI270822B/en

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

A system and method for selectively activating a device based on an activate command. A circuit, in low power mode, listens for an activate command. The activate command includes a preamplifer centering sequence, an interrupt signal, and an activate code. The circuit receives a signal that may or may not be an activate command, self-biases the signal based on the preamplifer centering in the preamp/gain control, then determines whether the interrupt signal is of the proper length in the interrupt circuit. If the interrupt is not the proper length, the process stops. If it is the proper length, the command is recognized as an activate command, and a data slicer compares the activate code to a prestored value. If the activate code matches the prestored value, the device is powered up. If they do not match, the device is not initiated.
TW94113162A 2005-04-25 2005-04-25 Battery activation circuit TWI270822B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94113162A TWI270822B (en) 2005-04-25 2005-04-25 Battery activation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94113162A TWI270822B (en) 2005-04-25 2005-04-25 Battery activation circuit

Publications (2)

Publication Number Publication Date
TW200638277A true TW200638277A (en) 2006-11-01
TWI270822B TWI270822B (en) 2007-01-11

Family

ID=38430290

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94113162A TWI270822B (en) 2005-04-25 2005-04-25 Battery activation circuit

Country Status (1)

Country Link
TW (1) TWI270822B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396354B (en) * 2008-11-12 2013-05-11 O2Micro Int Ltd Battery packs, electronic systems, and methods for monitoring battery packs
TWI638315B (en) * 2017-05-03 2018-10-11 九齊科技股份有限公司 Method and device for transmission of radio-frequency signal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396354B (en) * 2008-11-12 2013-05-11 O2Micro Int Ltd Battery packs, electronic systems, and methods for monitoring battery packs
TWI638315B (en) * 2017-05-03 2018-10-11 九齊科技股份有限公司 Method and device for transmission of radio-frequency signal
US10162988B2 (en) 2017-05-03 2018-12-25 Nyquest Corporation Limited Radio frequency transmission method and device thereof

Also Published As

Publication number Publication date
TWI270822B (en) 2007-01-11

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees