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? Volume apparatus ? Japanese Patent Application No. 46-23258 [Phase] Application No. 46
(1971) Published April 12 A. 47-33242 @ A. 47 (1972) November 17 @ Inventor Hirose Bunnori
Kamon Shinichi Ogata Kamon Shin 1006 Matsushita Electric Industrial Industrial Co., Ltd. ?
Applicant Matsushita Electric Industrial Co., Ltd. Kadoma city Oji Kamon Shin 1006 [phase]
Agent patent attorney Toshio Nakao 1 person ? Scope of patent claim 1 2 arc-shaped and with
internal resistors The rotary plates of the first embodiment are disposed orthogonal to each other
and both ends are respectively pivotally attached to the side plates opposite to each other of the
case, and the central portion is the tip of the operation shaft pivotally attached to the front plate
of the case. The sliding plate is inserted into a longitudinal groove formed in the central portion
of the rotating plate, and the rotating plate is interlocked and rotated by the operation of the
operating shaft, and the sliding fitted to the operating shaft Sliding on the resistor above the
terminal mounting plate Install the child, configured and composed volume device the individual
variable resistor interlocking each other between the resistor and the sliding pin. DETAILED
DESCRIPTION OF THE INVENTION The present invention relates to a volume controller for
volume balance used in a 4-channel stereo system or the like, and provides an excellent volume
controller with a simple configuration. Hereinafter, the volume apparatus of the present
invention will be described with reference to the drawings of one embodiment. In the figure, 1 is
a case, 2 is a bearing such as a steel ball attached to the center of the front plate 1a constituting
the case 1, 3 and 4 are side plates 1b and 1c whose both ends are opposed to each other in the
case 1 respectively. The semicircular arc-shaped pivoting plate 7.8 pivotally mounted by means
of the axes 5, 6 is a groove 9, 9, 10 and 11 axially formed at the center of the pivoting plates 3,
4; 12 is a resistor mounted on the inner surface of the part separated by the grooves 7 and 8 of
the [111111] moving plates 3 and 4; 13 is a central part pivotally attached to the bearing part 2;
The operating shaft 14 is inserted in the both cut grooves 7 and 8 of the moving plates 3 and 4,
14 is the operation knob attached to the other end of the operating shaft 13, 15 is attached to
the operating shaft 13, , 4 and sliding terminals 16, 17, 18 and 19 in contact with the respective
resistors 9, 10 and 11 ░ 12 on the side opposite to Child mounting plate. The rotary plates 3
and 4 are mounted in the direction orthogonal to each other and the resistors 9, 10 and 11.12
mounted on the rotary plates 3 and 4 and the sliding terminal mounting are mounted on the
plate 15 A single balance adjusting variable resistor is configured between each of the dynamic
terminals 16, 17, 18 and 19. In the above embodiment, when the operation knob 14 is shifted in
the directions of arrows A, B, C, D, the tip of the operation shaft 13 is shifted in the direction of
the arrow port, i, 2, so that the sliding terminals 16, 17, In the same manner, 18 and 19 shift as
well, and the pivoting plates 3 and 4 rotate accordingly.
Therefore, the variable resistors formed between the resistors 9, 10, 11 and 12 mounted on the
rotating plates 3 and 4 and the sliding terminals 16 and 1718.19 are mutually interlocked and
driven according to each other. It will be done. According to the present invention, the two
pivoting plates formed in an arc shape as described above are disposed so as to be orthogonal to
each other, and both end portions are respectively pivotally attached to the side plates facing
each other of the case. An axial kerf is formed in the central portion, and the operating shaft
whose central portion is pivotally attached to the front plate of the case is inserted into the kerf,
and the rotary plates interlock with each other by the rotation of the operating shaft. In addition
to being structured to move, the above-mentioned rotating plate is attached with a resistor long
in the axial direction, and the operating shaft is equipped with a sliding terminal in contact with
the above-mentioned resistor. Since a body is attached and a sliding terminal interlocked directly
with the operating shaft is configured to slide on this resistor, there is no need for a separate
rotation type variable resistor, and its [111111] EndPage: 1 configuration Is greatly simplified.
Further, according to the present invention, the entire configuration can be significantly
miniaturized, and it is extremely advantageous if it is used as a balance device of a four-channel
stereo device.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway perspective view of an
embodiment of a volume device according to the present invention, FIG. 2 is a cross-sectional
side view of the same device, and FIG. 1-и и и и и и и и и и и и 1 и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и bearing portion 3, 4 и и и Rotating plate,
7.8 ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии Operation knob, 15 ... - ... sliding pin
mounting plate, 16, 17, 18 ...... sliding pin. ???????? ?
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