首页 > 专利信息

申请公布号:JP3770800(B2)

申请号:JP20010028783

申请日期:2001.02.05

申请公布日期:2006.04.26

分类号:G09B5/14;G06Q50/00;G06Q50/10;G06Q50/20;H04B7/15;H04B7/19;H04H20/00;H04H20/53;H04H20/74;H04H20/76;H04H60/23;H04H60/82;H04N7/14;H04N7/173;H04N21/6334

主分类号:G09B5/14

摘要:PROBLEM TO BE SOLVED: To provide a bi-directional remote education system in which a lecture can be given without being disturbed by noises even when the number of learner classrooms increases and a teacher can fully respond to an utterer and the increase in the cost of a communication band and an information processing device can be restrained. SOLUTION: In the remote education system, a communication satellite and a ground network link a transmission center and a plurality of learner classrooms. When a learner makes utterance, the learner's talk request is transmitted to the transmission center and a program director selects a learner classroom to be allowed to make utterance, then the transmission center transmits a calling instruction to the learner classroom via the communication satellite and the learner classroom which receives the calling instruction transmits picture information of the learner to the transmission center via the ground network.

专利推荐

METHOD OF ATTACHING A SOLAR COLLECTOR PLATE TO A TUBE WATER WAY

IMPROVEMENTS IN OR RELATING TO ELECTRONIC TIMEPIECES

EPININE ESTERS

DIRECTING CODE ARITHMETIC CIRCUIT

N-TO-ONE BACKUP SYSTEM OF DISPERSION TYPE HIERARCHICAL SYSTEM

OBSERVING DEVICE OF STEREOSCOPIC PICTURE

COMMUNICATING DEVICE OF COMPOSITE INFORMATION

MICROCOMPUTER DEVICE

INSTANTANEOUS STOP COPING CIRCUIT

SURFACE SMOOTHING DEVICE OF MAGNETIC RECORDING MEDIUM

EXHAUST PARTICULATES REMOVER FOR DIESEL ENGINE

BLOCK ERROR PROCESSING SYSTEM

FUEL PURIFIER WITH ELECTRIC WATER-LEVEL INDICATOR

LIQUID LEVEL METER

METHOD AND DEVICE FOR FORMING SURFACE LUBRICOUS FILM FOR MAGNETIC DISK

HYDROGEN STORAGE VESSEL

OIL SUPPLY STRUCTURE FOR HYDRAULIC RUSH ADJUSTER

AUTOMATIC STARTING DEVICE OF STAND-BY MACHINE

MEASURING DEVICE

CLAMP MECHANISM OF MAGNETIC DISK DEVICE