GB1531594A - Cassette tape recording and/or reproducing device - Google Patents
Cassette tape recording and/or reproducing deviceInfo
- Publication number
- GB1531594A GB1531594A GB942276A GB942276A GB1531594A GB 1531594 A GB1531594 A GB 1531594A GB 942276 A GB942276 A GB 942276A GB 942276 A GB942276 A GB 942276A GB 1531594 A GB1531594 A GB 1531594A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- speed
- pin
- change
- cassette
- 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
- 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
- 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
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/44—Speed-changing arrangements; Reversing arrangements; Drive transfer means therefor
Landscapes
- Automatic Tape Cassette Changers (AREA)
Abstract
1531594 Speed-change arrangements for tape cassette transports MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 9 March 1976 [18 March 1975 (4)] 09422/76 Heading G5R A tape cassette 1 may include a portion, the presence or absence of which is sensed to determine the tape transport speed by determining whether or not the record/playback control 23, 19 shall be coupled to also actuate a speed-change mechanism-15, 12, 7. The speedchange is actuated if the portion is absent: the end 29a of a detecting lever 29 enters the resulting recess 1b in the cassette by spring bias 33 acting on an interconnected lever 31, and the rotation of the lever 31 counterclockwise about 31c permits a link lever 15 which engages a pin 31b on lever 31 to move clockwise about its pivot 16 by spring bias 17 so that hooked portion 18 thereof engages a pin 20 of the control member 19. Actuation of the latter in direction D thus moves lever 15 bodily, pivoting a link arm 12 against bias 14 and sliding speed-change member 7 in direction A on pins 9-11. This causes a drive motor 6 attached thereto to move axially so that a smaller diameter portion 35a of drive pulley 35, rather than larger diameter portion 35b, now engages the upper surface of capstan flywheel 5. The motor is pivoted at 6a, 6b and biased downwardly by a leaf-spring 36 (see also Figs. 7, 8). Control member 19 is then latched by spring-biased member 26 in its actuated position, but member 26 and the restoring spring bias 24 on the member 19 may be dispensed with (Figs. 5, 6, not shown). If the cassette portion (la) is present, Fig. 1 (not shown), rotation of both levers 29 and 31 is inhibited thereby, and pin 31b maintains hook 18 of link lever 15 out of engagement with pin 20. The detecting lever 29 is first released to perform its detecting function either, as shown, by the initial movement of the control member 19, a shoulder 19a thereof allowing movement of pin 31c on the lever 31 and hence pivoting of both levers 31 and 29; or, Figs. 3-6 (not shown), by a separate member (39) which is moved by the inserted cassette against spring bias (41) to release the detecting lever. Speed-change may also be achieved by electrical switching of the motor 6, Figs. 9, 10 (not shown), in response to movement of the speed-change member 7.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50033404A JPS51107108A (en) | 1975-03-18 | 1975-03-18 | TEEPURE KOODA |
JP50033403A JPS51107107A (en) | 1975-03-18 | 1975-03-18 | KASETSUTOSHIKITEEPURE KOODA |
JP50033406A JPS51107110A (en) | 1975-03-18 | 1975-03-18 | TEEPURE KOODA |
JP50033405A JPS51107109A (en) | 1975-03-18 | 1975-03-18 | TEEPURE KOODA |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1531594A true GB1531594A (en) | 1978-11-08 |
Family
ID=27459783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB942276A Expired GB1531594A (en) | 1975-03-18 | 1976-03-09 | Cassette tape recording and/or reproducing device |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1049989A (en) |
DE (1) | DE2611322A1 (en) |
GB (1) | GB1531594A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4447840A (en) * | 1981-04-07 | 1984-05-08 | U.S. Philips Corporation | 2-Speed magnetic-tape cassette apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309727A (en) * | 1978-11-16 | 1982-01-05 | Olympus Optical Co., Ltd. | Automatic reverse tape recorder with means for stopping the automatic reverse operation during recording |
-
1976
- 1976-03-09 GB GB942276A patent/GB1531594A/en not_active Expired
- 1976-03-17 CA CA248,071A patent/CA1049989A/en not_active Expired
- 1976-03-17 DE DE19762611322 patent/DE2611322A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4447840A (en) * | 1981-04-07 | 1984-05-08 | U.S. Philips Corporation | 2-Speed magnetic-tape cassette apparatus |
Also Published As
Publication number | Publication date |
---|---|
CA1049989A (en) | 1979-03-06 |
DE2611322A1 (en) | 1976-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930309 |