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
Other languages
English (en)
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 (zh) 2012-07-26 2012-07-26 音频信号下行传输装置及电子签名工具
PCT/CN2013/077154 WO2014015721A1 (fr) 2012-07-26 2013-06-13 Dispositif de transmission en liaison descendante pour signal audio et outil de signature électronique

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 (fr)
EP (1) EP2879403A1 (fr)
CN (1) CN202759579U (fr)
CA (1) CA2878534A1 (fr)
HK (1) HK1182280A2 (fr)
SG (1) SG11201500245YA (fr)
WO (1) WO2014015721A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202759579U (zh) * 2012-07-26 2013-02-27 天地融科技股份有限公司 音频信号下行传输装置及电子签名工具
CN102883255B (zh) * 2012-09-13 2014-12-03 天地融科技股份有限公司 转接装置、电子签名工具、检测装置和接口检测系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4143635B2 (ja) * 2005-10-26 2008-09-03 Ｎｅｃインフロンティア株式会社 オーディオ入出力装置および入出力機能切り替え方法
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 (zh) * 2011-06-15 2014-02-19 天地融科技股份有限公司 一种音频信号接收、转接装置和音频信号传输系统
CN102201826B (zh) * 2011-06-15 2014-02-05 天地融科技股份有限公司 一种音频信号转接及接收装置，音频信号传输系统
CN102354883B (zh) * 2011-06-15 2013-08-21 天地融科技股份有限公司 一种音频信号转接装置
CN202759579U (zh) * 2012-07-26 2013-02-27 天地融科技股份有限公司 音频信号下行传输装置及电子签名工具

Also Published As

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

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