CA948771A - Magnetic recording and reproducing apparatus - Google Patents
Magnetic recording and reproducing apparatusInfo
- Publication number
- CA948771A CA948771A CA119,530A CA119530A CA948771A CA 948771 A CA948771 A CA 948771A CA 119530 A CA119530 A CA 119530A CA 948771 A CA948771 A CA 948771A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic recording
- reproducing apparatus
- reproducing
- recording
- magnetic
- 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
- 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
- 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
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)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Electrically Operated Instructional Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1970076738U JPS5020664Y1 (de) | 1970-08-01 | 1970-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA948771A true CA948771A (en) | 1974-06-04 |
Family
ID=13613922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA119,530A Expired CA948771A (en) | 1970-08-01 | 1971-07-30 | Magnetic recording and reproducing apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US3752938A (de) |
JP (1) | JPS5020664Y1 (de) |
CA (1) | CA948771A (de) |
GB (1) | GB1328183A (de) |
NL (1) | NL7110605A (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5737295Y2 (de) * | 1972-05-22 | 1982-08-17 | ||
JPS534084Y2 (de) * | 1973-06-09 | 1978-02-01 | ||
CH572260A5 (de) * | 1973-09-28 | 1976-01-30 | Uher Werke Muenchen | |
JPS5339203Y2 (de) * | 1973-11-24 | 1978-09-22 | ||
US4000515A (en) * | 1974-04-19 | 1976-12-28 | Copal Company Limited | Device for preventing inadvertent erasion of a tape in a bidirectional recording/reproducing apparatus |
US4007547A (en) * | 1975-01-09 | 1977-02-15 | Bell & Howell Company | Card handling teaching machine with instantaneous feedback system |
NL7604825A (nl) * | 1976-05-06 | 1977-11-08 | Philips Nv | Cassetteapparaat. |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2466514A (en) * | 1944-11-23 | 1949-04-05 | Armour Res Found | Magnetic recording and reproducing device with means to prevent accidental erase of record medium |
US2612565A (en) * | 1948-05-24 | 1952-09-30 | Herman S Heller | Safety device for preventing accidental erasing or double recording on magnetic record tape |
US3037093A (en) * | 1959-09-29 | 1962-05-29 | Rca Corp | Magnetic recording and reproducing apparatus |
US3492005A (en) * | 1966-09-17 | 1970-01-27 | Victor Company Of Japan | Multi-armed lever tape cartridge rejection device |
US3485500A (en) * | 1967-03-14 | 1969-12-23 | Motorola Inc | Tape cartridge locking and ejector mechanism |
US3650378A (en) * | 1968-07-13 | 1972-03-21 | Ricoh Kk | Faulty insertion preventive device for cartridges |
US3617065A (en) * | 1969-01-23 | 1971-11-02 | Iit Res Inst | Cartridge transducer machine and cartridge therefor |
US3702907A (en) * | 1969-05-30 | 1972-11-14 | Olympus Optical Co | Device for automatically preventing the erasing of a tape in a tape cassette |
US3696217A (en) * | 1969-08-14 | 1972-10-03 | Olympus Optical Co | Device using a recording jack for preventing erasure of recorded information from magnetic tape in a tape recorder |
-
1970
- 1970-08-01 JP JP1970076738U patent/JPS5020664Y1/ja not_active Expired
-
1971
- 1971-07-29 US US00167171A patent/US3752938A/en not_active Expired - Lifetime
- 1971-07-30 GB GB3599571A patent/GB1328183A/en not_active Expired
- 1971-07-30 CA CA119,530A patent/CA948771A/en not_active Expired
- 1971-07-30 NL NL7110605A patent/NL7110605A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7110605A (de) | 1972-02-03 |
GB1328183A (en) | 1973-08-30 |
JPS5020664Y1 (de) | 1975-06-23 |
US3752938A (en) | 1973-08-14 |
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