JPS5410289B2 - - Google Patents
Info
- Publication number
- JPS5410289B2 JPS5410289B2 JP2320575A JP2320575A JPS5410289B2 JP S5410289 B2 JPS5410289 B2 JP S5410289B2 JP 2320575 A JP2320575 A JP 2320575A JP 2320575 A JP2320575 A JP 2320575A JP S5410289 B2 JPS5410289 B2 JP S5410289B2
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2320575A JPS5410289B2 (ja) | 1975-02-25 | 1975-02-25 | |
US05/659,649 US4050165A (en) | 1975-02-25 | 1976-02-20 | Teacher-students' intercommunication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2320575A JPS5410289B2 (ja) | 1975-02-25 | 1975-02-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5198524A JPS5198524A (ja) | 1976-08-30 |
JPS5410289B2 true JPS5410289B2 (ja) | 1979-05-04 |
Family
ID=12104152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2320575A Expired JPS5410289B2 (ja) | 1975-02-25 | 1975-02-25 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4050165A (ja) |
JP (1) | JPS5410289B2 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5229324A (en) * | 1975-08-28 | 1977-03-05 | Gakken Co Ltd | Group educational device |
JPS6226765Y2 (ja) * | 1977-06-01 | 1987-07-09 | ||
JPS6226766Y2 (ja) * | 1977-06-01 | 1987-07-09 | ||
JPS5841551Y2 (ja) * | 1977-06-07 | 1983-09-20 | 株式会社富士通ゼネラル | 集団学習装置 |
JPS5616624Y2 (ja) * | 1977-11-18 | 1981-04-17 | ||
US4608663A (en) * | 1983-08-31 | 1986-08-26 | Wolsten's Computer Devices, Inc. | Computer network for using a common peripheral device |
FR2673024B1 (fr) * | 1991-01-29 | 1994-11-18 | Sonodac | Dispositif formant laboratoire de langues portable. |
JP4077216B2 (ja) * | 2001-12-28 | 2008-04-16 | 株式会社リコー | 色分離素子及び作像光学エンジン及び投影装置 |
US20070284990A1 (en) * | 2006-06-09 | 2007-12-13 | U Colour International Co., Ltd. | Wireless-emitting major-and-minor models recording method |
US8074581B2 (en) * | 2007-10-12 | 2011-12-13 | Steelcase Inc. | Conference table assembly |
US20140361954A1 (en) | 2013-06-07 | 2014-12-11 | Lewis Epstein | Personal control apparatus and method for sharing information in a collaboration workspace |
US10631632B2 (en) | 2008-10-13 | 2020-04-28 | Steelcase Inc. | Egalitarian control apparatus and method for sharing information in a collaborative workspace |
US10884607B1 (en) | 2009-05-29 | 2021-01-05 | Steelcase Inc. | Personal control apparatus and method for sharing information in a collaborative workspace |
CN105679127A (zh) * | 2016-04-05 | 2016-06-15 | 苏州奇展信息科技有限公司 | 一种在线培训平台的互动方法 |
CN106157704A (zh) * | 2016-08-20 | 2016-11-23 | 李志勇 | 一种双显示趣味教学演示仪 |
US10264213B1 (en) | 2016-12-15 | 2019-04-16 | Steelcase Inc. | Content amplification system and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3200516A (en) * | 1961-04-21 | 1965-08-17 | Fleetwood Furniture Company | Electronic teaching device |
US3177594A (en) * | 1963-02-14 | 1965-04-13 | Gen Electric | Learning laboratory audio distribution apparatus |
JPS5147091B2 (ja) * | 1971-09-30 | 1976-12-13 |
-
1975
- 1975-02-25 JP JP2320575A patent/JPS5410289B2/ja not_active Expired
-
1976
- 1976-02-20 US US05/659,649 patent/US4050165A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4050165A (en) | 1977-09-27 |
JPS5198524A (ja) | 1976-08-30 |