GB1255961A - Improvements in or relating to teaching machines - Google Patents
Improvements in or relating to teaching machinesInfo
- Publication number
- GB1255961A GB1255961A GB1021768A GB1021768A GB1255961A GB 1255961 A GB1255961 A GB 1255961A GB 1021768 A GB1021768 A GB 1021768A GB 1021768 A GB1021768 A GB 1021768A GB 1255961 A GB1255961 A GB 1255961A
- Authority
- GB
- United Kingdom
- Prior art keywords
- playback
- printed circuit
- recording
- head
- switching unit
- Prior art date
- 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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
- G11B21/043—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw for stationary discs
-
- 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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/062—Combinations of audio and printed presentations, e.g. magnetically striped cards, talking books, magnetic tapes with printed texts thereon
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1021768A GB1255961A (en) | 1968-03-01 | 1968-03-01 | Improvements in or relating to teaching machines |
BE729166D BE729166A (enrdf_load_stackoverflow) | 1968-03-01 | 1969-02-28 | |
FR6905580A FR2003065A1 (enrdf_load_stackoverflow) | 1968-03-01 | 1969-02-28 | |
CH309069A CH493053A (de) | 1968-03-01 | 1969-02-28 | Lehrgerät |
NL6903257A NL6903257A (enrdf_load_stackoverflow) | 1968-03-01 | 1969-03-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1021768A GB1255961A (en) | 1968-03-01 | 1968-03-01 | Improvements in or relating to teaching machines |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1255961A true GB1255961A (en) | 1971-12-08 |
Family
ID=9963765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1021768A Expired GB1255961A (en) | 1968-03-01 | 1968-03-01 | Improvements in or relating to teaching machines |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE729166A (enrdf_load_stackoverflow) |
CH (1) | CH493053A (enrdf_load_stackoverflow) |
FR (1) | FR2003065A1 (enrdf_load_stackoverflow) |
GB (1) | GB1255961A (enrdf_load_stackoverflow) |
NL (1) | NL6903257A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1564021A (en) * | 1975-10-18 | 1980-04-02 | Ricoh Kk | Recording reproducer |
US4195844A (en) * | 1977-07-13 | 1980-04-01 | Matsushita Electric Industrial Co., Ltd. | Audiovisual card reproducing device |
GB2016783B (en) * | 1978-01-26 | 1982-04-21 | Shinano Kikaku Co Ltd | Recording medium for audio-visual teaching machines |
-
1968
- 1968-03-01 GB GB1021768A patent/GB1255961A/en not_active Expired
-
1969
- 1969-02-28 CH CH309069A patent/CH493053A/de not_active IP Right Cessation
- 1969-02-28 BE BE729166D patent/BE729166A/xx unknown
- 1969-02-28 FR FR6905580A patent/FR2003065A1/fr not_active Withdrawn
- 1969-03-03 NL NL6903257A patent/NL6903257A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE729166A (enrdf_load_stackoverflow) | 1969-08-01 |
CH493053A (de) | 1970-06-30 |
NL6903257A (enrdf_load_stackoverflow) | 1969-09-03 |
FR2003065A1 (enrdf_load_stackoverflow) | 1969-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1335627A (en) | Analogue signal recording and playback method and system | |
GB1330024A (en) | Magnetic recording and or reproducing apparatus | |
GB1335027A (en) | Sound reproducing arrangements | |
GB1255961A (en) | Improvements in or relating to teaching machines | |
GB1313226A (en) | Information replay methods and apparatus | |
GB1472697A (en) | Electric control system for magnetic sheet recording and repro ducing apparatus | |
GB1338012A (en) | Arrangements for viewing cue indicia in reelable web means | |
GB1519643A (en) | Information reproducing and recording apparatus | |
GB1362588A (en) | Electric signal apparatus | |
GB1042720A (en) | Magnetic tape recording and reproducing apparatus | |
GB1316805A (en) | Magnetic video recording and reproducing apparatus | |
GB1342517A (en) | Magnetic tape duplicator | |
GB1500252A (en) | Magnetic tape and recording method therefor | |
GB970131A (en) | Improvements relating to sound reproducing and recording apparatus | |
GB1205466A (en) | Pick-up and play back system | |
SU428446A1 (ru) | Устройство для магнитной записи | |
FR2379952A1 (fr) | Repondeur telephonique | |
GB1213482A (en) | Video signal recording and reproducing system | |
GB1485672A (en) | Audio-visual apparatus | |
GB1262551A (en) | Improvements in or relating to a reproducing device and a record unit therefor | |
GB1049176A (en) | System and apparatus for recording and reproducing sound | |
GB1281316A (en) | Tape recorder for teaching, particularly for language teaching | |
JPS5240312A (en) | Magnetic recording method | |
JPS5733462A (en) | Magnetic disk device | |
GB1391342A (en) | Magnetic recording and reproducing apparatus for 2- or 4- channel multi-track endless tape |