Tone-Detecting Method for Detecting at Least one Tone in a Dual-Tone Multifrequency Signal, Call-Progress Method Using the Same,申请号CA19942112767-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Tone-Detecting Method for Detecting at Least one Tone in a Dual-Tone Multifrequency Signal, Call-Progress Method Using the Same
摘要
申请公布号	CA2112767(A1)	申请公布日期	1994.10.30
申请号	CA19942112767	申请日期	1994.01.04
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	CESARO, CLAUDE;RICHTER, GERARD
分类号	H04Q1/45;H04Q1/457;(IPC1-7):H04M11/06	主分类号	H04Q1/45
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Tunable acoustic panel

Vacuum insulation panels comprising nanoporous polymer particles

Docking system with joint supports

Card wire with improved tooth shape

Membrane reactor

Load lock chamber with slit valve doors

Thin film forming method and film forming apparatus

Materials and methods for assessing and mapping microbes and microbial biofilms on wounds

Variegation in plants

Compositions and methods for inhibition of nucleic acids function

Cancer therapy method

Fat containing composition

Plasticized PVC compositions with long term high temperature stability

Method for producing silicone step-growth elastomers from dual functional siloxanes

Compositions and methods for diagnosing and treating an inflammation

Conjugate comprising P21 protein for the treatment of cancer

Aminopyrimidine derivatives as LRRK2 modulators