US3834651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cassette tape recorder
Assignee: Hitachi Ltd
•
Filing: 1973-03-19
•
Granted: 1974-09-10
•
Expires: 1993-03-19
Abstract
Abstract A cassette tape recorder comprising a first motor for effecting a constant speed advance of a tape in a cassette and a second motor for effecting a fast advance of the tape, the second motor being adapted to be energized when the tape end is reached during the constant speed tape advancing operation, so as to terminate the constant speed advance.
Inventors
- 👤 S Hashizume
- 👤 H Ogasahara
- 👤 T Kubota
- 👤 K Usui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:34
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/22; G11B15/02; G11B15/16; G11B15/1883; G11B15/44; G11B15/442
Claims Analysis
Total Claims: 47
Claim 1
Independent Claim
98 words
A cassette tape recorder comprising 1. a first and a second motors; 2. a supply side and a take up side turn tables; 3. first means for rotating said first motor in playing operation of said recorder so as to effect a constant speed advance of a cassette tape into said take up side turn table; and 4. second means for rotating said second motor in fast advance or wind back operation of said recorder so as to effect a fast advance or wind back of the cassette tape into said take up or supply side turn table.
Claim 2
Dependent Claim
98 words
A cassette tape recorder comprising 1. a first and a second motors; 2. a supply side and a take up side turn tables; 3. first means for rotating said first motor in playing operation of said recorder so as to effect a constant speed advance of a cassette tape into said take up side turn table; and 4. second means for rotating said second motor in fast advance or wind back operation of said recorder so as to effect a fast advance or wind back of the cassette tape into said take up or supply side turn table.
Claim 3
Dependent Claim
12 words
A cassette tape recorder in accordance with claim 1 which further comprises
Claim 4
Dependent Claim
10 words
a supply side and a take up side turn tables;
Claim 5
Dependent Claim
10 words
a supply side and a take up side turn tables;
Claim 6
Dependent Claim
10 words
a supply side and a take up side turn tables;
Claim 7
Dependent Claim
10 words
a supply side and a take up side turn tables;
Claim 8
Dependent Claim
16 words
push button means including a play button, a fast advance button and a wind back button;
Claim 9
Dependent Claim
16 words
push button means including a play button, a fast advance button and a wind back button;
Claim 10
Dependent Claim
33 words
first means for rotating said first motor in playing operation of said recorder so as to effect a constant speed advance of a cassette tape into said take up side turn table; and
Claim 11
Dependent Claim
33 words
first means for rotating said first motor in playing operation of said recorder so as to effect a constant speed advance of a cassette tape into said take up side turn table; and
Claim 12
Dependent Claim
12 words
A cassette tape recorder in accordance with claim 2 which further comprises
Claim 13
Dependent Claim
66 words
A cassette tape recorder in accordance with claim 1 in which said second means includes i. a motor pulley secured to the shaft of said second motor, and ii. a pulley which is in contact with said motor pulley and brought into driving engagement with said taking up turn table during the fast advance operation and with the supplying turn table during the winding back operation.
Claim 14
Dependent Claim
40 words
second means for rotating said second motor in fast advance or wind back operation of said recorder so as to effect a fast advance or wind back of the cassette tape into said take up or supply side turn table.
Claim 15
Dependent Claim
40 words
second means for rotating said second motor in fast advance or wind back operation of said recorder so as to effect a fast advance or wind back of the cassette tape into said take up or supply side turn table.
Claim 16
Dependent Claim
11 words
a movable member slidably moved when the play button is depressed;
Claim 17
Dependent Claim
11 words
a movable member slidably moved when the play button is depressed;
Claim 18
Dependent Claim
9 words
a locking member pivotally mounted on said movable member;
Claim 19
Dependent Claim
9 words
a locking member pivotally mounted on said movable member;
Claim 20
Dependent Claim
32 words
third means for rotating said second motor when the end of the tape is reached during the constant speed advance of the tape for terminating the constant speed advance of the tape.
Claim 21
Dependent Claim
32 words
third means for rotating said second motor when the end of the tape is reached during the constant speed advance of the tape for terminating the constant speed advance of the tape.
Claim 22
Dependent Claim
99 words
A cassette tape recorder in accordance with claim 2, in which; said second means has a motor pulley secured to the shaft of said second motor; and said third means has a member which is brought in the plane of rotation of said motor pulley during the constant speed advance operation and out of said plane during the fast advance or wind back operation, whereby the constant speed advancing operation can be terminated when the end of the tape is reached during the constant speed advance operation by rotating the motor pulley so as to displace said member outwardly.
Claim 23
Dependent Claim
47 words
a locking pin for displacing said locking member so as to bring one end of the locking member or a lever pivotally mounted thereon to the plane of rotation of a motor pulley secured to the shaft of said second motor when the play button is depressed;
Claim 24
Dependent Claim
47 words
a locking pin for displacing said locking member so as to bring one end of the locking member or a lever pivotally mounted thereon to the plane of rotation of a motor pulley secured to the shaft of said second motor when the play button is depressed;
Claim 25
Dependent Claim
5 words
A cassette tape recorder comprising
Claim 26
Dependent Claim
5 words
A cassette tape recorder comprising
Claim 27
Dependent Claim
34 words
fourth means for rotating said first motor when the end of the tape is reached during the fast advance or wind back of the tape for terminating the fast advance or wind back operation.
Claim 28
Dependent Claim
34 words
fourth means for rotating said first motor when the end of the tape is reached during the fast advance or wind back of the tape for terminating the fast advance or wind back operation.
Claim 29
Dependent Claim
30 words
means for rotating said first motor when the locking member is locked so as to effect a constant speed advance of a cassette tape into said takeup side turn table;
Claim 30
Dependent Claim
30 words
means for rotating said first motor when the locking member is locked so as to effect a constant speed advance of a cassette tape into said takeup side turn table;
Claim 31
Dependent Claim
12 words
A cassette tape recorder in accordance with claim 6 which further comprises
Claim 32
Dependent Claim
19 words
A cassette tape recorder in accordance with claim 7 in which said detecting means causes increase in motor current.
Claim 33
Dependent Claim
16 words
means for detecting an end of the cassette tape during the constant speed advance thereof; and
Claim 34
Dependent Claim
16 words
means for detecting an end of the cassette tape during the constant speed advance thereof; and
Claim 35
Dependent Claim
34 words
means for rotating said second motor when the end of the tape is detected so as to displace the locking member or said lever outwardly by said motor pulley to unlock the locking member.
Claim 36
Dependent Claim
34 words
means for rotating said second motor when the end of the tape is detected so as to displace the locking member or said lever outwardly by said motor pulley to unlock the locking member.
Claim 37
Dependent Claim
104 words
A cassette tape recorder in accordance with claim 7 in which said last mentioned means includes i. a pin provided on a flywheel which is rotated during the constant speed advance of the cassette tape; and ii. a lever having one end adapted to be located in the plane of rotation of said pin during fast advance of the cassette tape and the other end opposed to said locking plate, said lever being adapted to be pushed outwardly by said pin when said first motor is rotated as the tape end is reached, so as to make the locking plate unlock the push button.
Claim 38
Dependent Claim
16 words
a locking plate for locking the fast advance or wind back button in the depressed position;
Claim 39
Dependent Claim
16 words
a locking plate for locking the fast advance or wind back button in the depressed position;
Claim 40
Dependent Claim
16 words
means for rotating said second motor when the button is locked for rotating the motor pulley;
Claim 41
Dependent Claim
16 words
means for rotating said second motor when the button is locked for rotating the motor pulley;
Claim 42
Dependent Claim
59 words
a pulLey disposed in contact with said motor pulley and brought into engagement in response to the rotation of the motor pulley with the take up side turn table when the fast advance button is depressed and with the supply side turn table when the wind back button is depressed for rotating the turn table at a faster speed;
Claim 43
Dependent Claim
59 words
a pulLey disposed in contact with said motor pulley and brought into engagement in response to the rotation of the motor pulley with the take up side turn table when the fast advance button is depressed and with the supply side turn table when the wind back button is depressed for rotating the turn table at a faster speed;
Claim 44
Dependent Claim
18 words
detecting means for detecting the end of the tape during the fast advance or wind back operation; and
Claim 45
Dependent Claim
18 words
detecting means for detecting the end of the tape during the fast advance or wind back operation; and
Claim 46
Dependent Claim
22 words
means for terminating the fast tape advance or wind back operation when the tape end is detected by rotating the first motor.
Claim 47
Dependent Claim
22 words
means for terminating the fast tape advance or wind back operation when the tape end is detected by rotating the first motor.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |