NL172381B - Instructiebandregistratietoestel. - Google Patents
Instructiebandregistratietoestel.Info
- Publication number
- NL172381B NL172381B NLAANVRAGE7014733,A NL7014733A NL172381B NL 172381 B NL172381 B NL 172381B NL 7014733 A NL7014733 A NL 7014733A NL 172381 B NL172381 B NL 172381B
- Authority
- NL
- Netherlands
- Prior art keywords
- registration device
- instruction tape
- tape registration
- instruction
- tape
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
-
- 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
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
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 |
---|---|---|---|
NLAANVRAGE7014733,A NL172381C (nl) | 1969-12-18 | 1970-10-07 | Instructiebandregistratietoestel. |
US95709A US3685171A (en) | 1969-12-18 | 1970-12-07 | Instructional tape recorder |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP44102905A JPS498328B1 (nl) | 1969-12-18 | 1969-12-18 | |
JP44103148A JPS4910049B1 (nl) | 1969-12-19 | 1969-12-19 | |
JP44103147A JPS498329B1 (nl) | 1969-12-19 | 1969-12-19 | |
NLAANVRAGE7014733,A NL172381C (nl) | 1969-12-18 | 1970-10-07 | Instructiebandregistratietoestel. |
US9570970A | 1970-12-07 | 1970-12-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7014733A NL7014733A (nl) | 1972-04-11 |
NL172381B true NL172381B (nl) | 1983-03-16 |
NL172381C NL172381C (nl) | 1983-08-16 |
Family
ID=27526105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7014733,A NL172381C (nl) | 1969-12-18 | 1970-10-07 | Instructiebandregistratietoestel. |
Country Status (2)
Country | Link |
---|---|
US (1) | US3685171A (nl) |
NL (1) | NL172381C (nl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5136617B2 (nl) * | 1972-07-25 | 1976-10-09 | ||
US3869718A (en) * | 1973-06-06 | 1975-03-04 | Bell & Howell Co | Interlock means responsive to track selection |
US4043054A (en) * | 1974-02-13 | 1977-08-23 | Sargent-Welch Scientific Company | Teaching machine |
US4006493A (en) * | 1975-05-19 | 1977-02-01 | Gerry Martin E | Tape cassette |
US4057839A (en) * | 1975-12-22 | 1977-11-08 | Mfe Corporation | Tape cassette drive |
US4215377A (en) * | 1978-10-10 | 1980-07-29 | Norris Elwood G | Multi-speed tape cassette system |
US4525755A (en) * | 1979-07-19 | 1985-06-25 | Norwood Industries, Inc. | Apparatus for recording and playing back magnetic tape cassettes and the like |
JPS5916127A (ja) * | 1982-07-19 | 1984-01-27 | Canon Inc | 記録再生装置 |
JP3212962B2 (ja) * | 1999-03-15 | 2001-09-25 | 米沢日本電気株式会社 | 128トラック磁気記録媒体 |
-
1970
- 1970-10-07 NL NLAANVRAGE7014733,A patent/NL172381C/nl not_active IP Right Cessation
- 1970-12-07 US US95709A patent/US3685171A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL172381C (nl) | 1983-08-16 |
NL7014733A (nl) | 1972-04-11 |
US3685171A (en) | 1972-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Discontinued because of reaching the maximum lifetime of a patent |