SG11201500245YA - Downlink transmission device for audio signal and electronic signature tool - Google Patents

Downlink transmission device for audio signal and electronic signature tool

Info

Publication number
SG11201500245YA
SG11201500245YA SG11201500245YA SG11201500245YA SG11201500245YA SG 11201500245Y A SG11201500245Y A SG 11201500245YA SG 11201500245Y A SG11201500245Y A SG 11201500245YA SG 11201500245Y A SG11201500245Y A SG 11201500245YA SG 11201500245Y A SG11201500245Y A SG 11201500245YA
Authority
SG
Singapore
Prior art keywords
audio signal
transmission device
downlink transmission
electronic signature
signature tool
Prior art date
Application number
SG11201500245YA
Inventor
Dongsheng Li
Original Assignee
Tendyron 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 Tendyron Corp filed Critical Tendyron Corp
Publication of SG11201500245YA publication Critical patent/SG11201500245YA/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Stereophonic Arrangements (AREA)
SG11201500245YA 2012-07-26 2013-06-13 Downlink transmission device for audio signal and electronic signature tool SG11201500245YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012203671930U CN202759579U (en) 2012-07-26 2012-07-26 Audio signal downlink transmission apparatus and electronic signature tool
PCT/CN2013/077154 WO2014015721A1 (en) 2012-07-26 2013-06-13 Downlink transmission device for audio signal and electronic signature tool

Publications (1)

Publication Number Publication Date
SG11201500245YA true SG11201500245YA (en) 2015-04-29

Family

ID=47738736

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201500245YA SG11201500245YA (en) 2012-07-26 2013-06-13 Downlink transmission device for audio signal and electronic signature tool

Country Status (7)

Country Link
US (1) US20150208164A1 (en)
EP (1) EP2879403A1 (en)
CN (1) CN202759579U (en)
CA (1) CA2878534A1 (en)
HK (1) HK1182280A2 (en)
SG (1) SG11201500245YA (en)
WO (1) WO2014015721A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202759579U (en) * 2012-07-26 2013-02-27 天地融科技股份有限公司 Audio signal downlink transmission apparatus and electronic signature tool
CN102883255B (en) * 2012-09-13 2014-12-03 天地融科技股份有限公司 Switching device, electronic signing tool, detection device and interface detection system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4143635B2 (en) * 2005-10-26 2008-09-03 Ｎｅｃインフロンティア株式会社 Audio input / output device and input / output function switching method
US9215304B2 (en) * 2008-01-14 2015-12-15 Apple Inc. Data store and enhanced features for headset of portable media device
US8629580B2 (en) * 2011-02-09 2014-01-14 Apple Inc. Audio accessory type detection and connector pin signal assignment
CN102201827B (en) * 2011-06-15 2014-02-19 天地融科技股份有限公司 Audio signal receiving and switching device and audio signal transmission system
CN102201826B (en) * 2011-06-15 2014-02-05 天地融科技股份有限公司 Audio signal switching and receiving device and audio signal transmission system
CN102354883B (en) * 2011-06-15 2013-08-21 天地融科技股份有限公司 Audio signal transfer device
CN202759579U (en) * 2012-07-26 2013-02-27 天地融科技股份有限公司 Audio signal downlink transmission apparatus and electronic signature tool

Also Published As

Publication number Publication date
CN202759579U (en) 2013-02-27
WO2014015721A1 (en) 2014-01-30
CA2878534A1 (en) 2014-01-30
EP2879403A1 (en) 2015-06-03
HK1182280A2 (en) 2013-11-22
US20150208164A1 (en) 2015-07-23

Similar Documents

Publication Publication Date Title
EP2887746A4 (en) Data transmission method and device
EP2830251A4 (en) Data transmission method and device
EP2928164A4 (en) Transmission method and device for voice data
EP2903334A4 (en) Information transmission method and device
EP2802163A4 (en) Data transmission method and device
SG2012072161A (en) An electronic device
EP2811676A4 (en) Information transmission method and device
TWI561149B (en) Housing for electronic device and method for making same
EP2934053A4 (en) Data transmission/receiving method and device
EP2840852A4 (en) Data transmission method and device
EP2910045A4 (en) Device and method for transmitting electronic key thereof
EP2824987A4 (en) Method and device for transmitting signals
EP2988551A4 (en) Signal transmission method and device
EP2858390A4 (en) Data transmission method and device
EP2863550A4 (en) Data transmission method and device
EP2790390A4 (en) Data transmission method and device
EP2782263A4 (en) Signal transmission method and device
EP2902914A4 (en) Data transmission method and device
EP2871643A4 (en) Cable and electronic device
EP2871907A4 (en) Signal transmission method and device
SG2012072146A (en) An electronic device
EP2675174A4 (en) Receiving device, receiving method, and electronic device
EP2863558A4 (en) Audio data transmission method, system, transmission device, and electronic signature tool
EP2879304A4 (en) Method and device for transmitting reference signal
EP2876971A4 (en) Data transmission method and device