US3739316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coordinated control device for variable resistors
Assignee: Teikoku Tsushin Kogyo Co Ltd
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Filing: 1972-05-01
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Granted: 1973-06-12
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Expires: 1992-05-01
Abstract
Abstract A device for coordinatedly controlling a plurality of variable resistors so as to achieve a desired combination of a plurality of varied resistances, said device comprising a plate member horizontally movable in any direction and a plurality of wipers which move in accordance with the movement of the horizontally movable plate member in engagement therewith respectively maintaining contact with a resistor.
Inventors
- 👤 T Tokubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:16
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/16; G; G05; G05G; G05G9/00; G05G9/02; G05G9/04; G05G9/047; G05G9/04785; G05G2009/04703; G05G2009/04707; G05G2009/0474; G05G2009/04748; G05G2009/04751
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
164 words
A device for coordinatedly controlling a plurality of variable resistors comprising a plate member horizontally movable in any direction supported by a mechanism comprising a supporter which freely slides along one axis and provides a guide for the horizontally movable plate member mounted thereon to allow free movement along another axis at right angles to the first axis and a plurality of wipers which move in accordance with the movement of the horizontally movable plate member in engagement therewith respectively maintaining contact with a separate resistor element, whereby each wiper can be made to rotate around one axis while remaining in contact with a resistor element at the other end thereof and either the horizontally movable plate member or each of the wipers has a protrusion on the side facing the other, and the other of the two has a groove or slot to receive the protrusion so that the wiper is rotated around the axis when the horizontally movable plate member is moved.
Claim 2
Independent Claim
164 words
A device for coordinatedly controlling a plurality of variable resistors comprising a plate member horizontally movable in any direction supported by a mechanism comprising a supporter which freely slides along one axis and provides a guide for the horizontally movable plate member mounted thereon to allow free movement along another axis at right angles to the first axis and a plurality of wipers which move in accordance with the movement of the horizontally movable plate member in engagement therewith respectively maintaining contact with a separate resistor element, whereby each wiper can be made to rotate around one axis while remaining in contact with a resistor element at the other end thereof and either the horizontally movable plate member or each of the wipers has a protrusion on the side facing the other, and the other of the two has a groove or slot to receive the protrusion so that the wiper is rotated around the axis when the horizontally movable plate member is moved.
Claim 3
Dependent Claim
70 words
A device as set forth in claim 1 wherein the mechanism supporting the horizontally movable plate member comprises a pair of parallel sliding rods rigidly supported by a pair of sliding guide plates perpendicular to said pair of the sliding rods, said rods functioning as a guide for the horizontally movable plate member and said guide plates slide along a pair of facing walls of a housing of the device.
Claim 4
Dependent Claim
44 words
A device as set forth in claim 1 wherein the horizontally movable member has a knob on the upper side thereof and the top of the housing has a circular opening which functions as a guide for the knob when the knob is moved.
Claim 5
Dependent Claim
25 words
A device as set forth in claim 1 wherein the horizontally movable plate member has the protrusions and each wiper has a groove or slot.
Claim 6
Dependent Claim
76 words
A device as set forth in claim 1, wherein the horizontally movable plate member is connected to an end of a lever by a ball-and-socket joint at the center thereof, and the lever is supported in the middle thereof by another ball-and-socket joint provided at the center of the top of the housing of the device so that the horizontally movable member is moved when the lever does a nutating or precessional, that is, joystick movement.
Claim 7
Dependent Claim
19 words
A device as set forth in claim 5, wherein each wiper comprises a resilient finger and a finger carrier.
Claim 8
Dependent Claim
50 words
A device as set forth in claim 5, wherEin the resistor elements are arranged in a arcuate swastika-like pattern on a square base plate and the four wipers are provided on the base plate each with the rotation axis thereof at the center of each edge of the base plate.
Claim 9
Dependent Claim
45 words
A device as set forth in claim 5, wherein the resistor elements are arranged in a circumferential pattern on a base plate and the four wipers are provided on the base plate each with the rotation axis thereof at the central portion of the plate.
Claim 10
Dependent Claim
30 words
A device as set forth in claim 8, wherein each resistor element has an intermediate terminal in the middle thereof so that different resistances can be obtained with one element.
Claim 11
Dependent Claim
37 words
A device as set forth in claim 9, wherein the intermediate terminal is the axis of a corresponding wiper which is connected to a suitable position in a corresponding resistor element by means of a bridging circuit.
Claim 12
Dependent Claim
19 words
A device as set forth in claim 1, wherein each wiper comprises a resilient finger and a finger carrier.
Claim 13
Dependent Claim
49 words
A device as set forth in claim 1, wherein the resistor elements are arranged in an arcuate swastika-like pattern on a square base plate and the four wipers are provided on the base plate each with the rotation axis at the center of each edge of the base plate.
Claim 14
Dependent Claim
44 words
A device as set forth in claim 1, wherein the resistor elements are arranged in a circumferential pattern on a base plate and the four wipers are provided on the base plate each with the rotation axis at the central part of the plate.
Claim 15
Dependent Claim
30 words
A device as set forth in claim 13, wherein each resistor element has an intermediate terminal in the middle thereof so that different resistances can be obtained with one element.
Claim 16
Dependent Claim
31 words
A device as set forth in claim 14, wherein the intermediate terminal is the axis connected to a suitable position in a corresponding resistor element by means of a bridging circuit.
References Cited (Backward Citations)
US3629775A
Cited
US3662313A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |