OPERATOR ATTENDANCE DETECTION CIRCUIT FOR TELEPHONE ATTENDANT BOARD,申请号JP19890069519-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	OPERATOR ATTENDANCE DETECTION CIRCUIT FOR TELEPHONE ATTENDANT BOARD
摘要
申请公布号	JPH02248147(A)	申请公布日期	1990.10.03
申请号	JP19890069519	申请日期	1989.03.22
申请人	NEC CORP	发明人	HORI YOSHIHIRO
分类号	H04M3/60	主分类号	H04M3/60
代理机构		代理人
主权项
地址

您可能感兴趣的专利

VEHICLE INFORMATION DISPLAY DEVICE

GROUNDING STRUCTURE OF UNIT

THERMOELECTRIC CONVERSION MATERIAL, AND THERMOELECTRIC CONVERSION MODULE

LIGHTING SYSTEM

GEOMETRICAL SHAPE APPARATUS

TOUCH-PANEL INPUT ASSISTANCE DEVICE AND INPUT DEVICE WITH TOUCH-PANEL INPUT ASSISTANCE DEVICE

JOB INFORMATION DISPLAY DEVICE

METHOD FOR PRODUCING ARTIFICIAL STONE MATERIAL

TASTE ENHANCER AND TEA BEVERAGE INCLUDING THE SAME

FUEL INJECTION NOZZLE

VACCINE AGAINST HIGHLY PATHOGENIC PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME (HP PRRS)

SEMICONDUCTOR INTEGRATED CIRCUIT, INFORMATION PROCESSING APPARATUS, AND IMAGE FORMING APPARATUS

METHODS, OPERATOR STATION APPARATUS AND ARTICLES OF MANUFACTURE FOR CREATING PROCESS PLANT OPERATOR INTERFACES

HYSTERESIS COMPARATOR

NETWORK STRUCTURE HAVING EXCELLENT COMPRESSION DURABILITY