1. An inkjet recording apparatus comprising:
a movable carriage having a recording head configured to perform recording by discharging ink onto a recording medium;
a platen configured to support the recording medium at a position facing the recording head;
a first support member fixed to a chassis, and configured to guide the motion of the carriage; and
a second support member provided farther from the platen than the first support member, and configured to guide the motion of the carriage in conjunction with the first support member,
wherein a gap between the recording head and the platen is changed by moving the second support member in a direction intersecting a surface of the platen for supporting the recording medium.
2. The inkjet recording apparatus according to claim 1,
wherein a position of the carriage in the direction intersecting the surface of the platen for supporting the recording medium is determined by the first support member when the gap between the recording head and the platen is a first gap, and
wherein the position of the carriage in the direction intersecting the surface of the platen for supporting the recording medium is determined by the second support member when the gap between the recording head and the platen is a second gap larger than the first gap.
3. The inkjet recording apparatus according to claim 2,
wherein turning of the carriage around the first support member is regulated by the second support member when the gap between the recording head and the platen is the first gap, and
wherein turning of the carriage around the second support member is regulated by the first support member when the gap between the recording head and the platen is the second gap.
4. The inkjet recording apparatus according to claim 1, further comprising:
a motor configured to move the second support member in the direction intersecting the surface of the platen for supporting the recording medium.
5. The inkjet recording apparatus according to claim 4, wherein a driving force of the motor is transmitted to an eccentric cam provide at an end of the second support member.
6. The inkjet recording apparatus according to claim 5, further comprising:
a spring configured to urge the second support member.
7. The inkjet recording apparatus according to claim 1, wherein the first support member is fixed to the chassis by a screw.
8. The inkjet recording apparatus according to claim 1, wherein the first support member is a shaft.
9. The inkjet recording apparatus according to claim 8, wherein the second support member is a shaft.
10. The inkjet recording apparatus according to claim 8, wherein the second support member is a guide rail.
11. The inkjet recording apparatus according to claim 1, wherein the first support member is a guide rail.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A switching circuit comprising:
for an integer N of two or more,
first to (N+1)th inputoutput terminals; and
first to Nth field-effect transistors each including a gate end, a source end, and a drain end,
wherein when one of the source end and the drain end is referred to as a first end and another one is referred to as a second end,
the first inputoutput terminal is electrically connected to the first ends of all of the first to Nth field-effect transistors,
for each integer i of one to N, the second end of the ith field-effect transistor is electrically connected to the (i+1)th inputoutput terminal, and
for at least one integer j of one to N, a combination in which an inductor component and a resistor component are electrically connected in series to each other is disposed between the first end and the second end of the jth field-effect transistor such that the combination is electrically connected in parallel to the jth field-effect transistor.
2. The switching circuit according to claim 1, wherein for each integer k of one to N,
a combination in which an inductor component and a resistor component are electrically connected in series to each other is disposed between the first end and the second end of the kth field-effect transistor such that the combination is electrically connected in parallel to the kth field-effect transistor.
3. The switching circuit according to claim 1, wherein for at least one integer m of one to N,
the mth field-effect transistor includes a plurality of field-effect transistor elements each including an individual gate end, the plurality of field-effect transistor elements are disposed between the first end and the second end and electrically connected in series to each other, and
a common bias voltage is supplied from the gate end of the mth field-effect transistor to the individual gate end of each of the plurality of field-effect transistor elements.
4. A semiconductor module comprising:
the switching circuit according to claim 1; and
a semiconductor substrate on which all constituent components of the switching circuit are disposed.
5. The semiconductor module according to claim 4, wherein the inductor component is a spiral inductor disposed on the semiconductor substrate.
6. The semiconductor module according to claim 4, wherein the inductor component results from a spiral inductor disposed on the semiconductor substrate, and the resistor component results from a line resistor in the spiral inductor.
7. The semiconductor module according to claim 5, wherein the spiral inductor has a line width of 5 \u03bcm or less.
8. The semiconductor module according to claim 5, wherein the spiral inductor has a line thickness of 2 \u03bcm or less.
9. The switching circuit according to claim 2, wherein for at least one integer m of one to N,
the mth field-effect transistor includes a plurality of field-effect transistor elements each including an individual gate end, the plurality of field-effect transistor elements are disposed between the first end and the second end and electrically connected in series to each other, and
a common bias voltage is supplied from the gate end of the mth field-effect transistor to the individual gate end of each of the plurality of field-effect transistor elements.
10. A semiconductor module comprising:
the switching circuit according to claim 2; and
a semiconductor substrate on which all constituent components of the switching circuit are disposed.
11. A semiconductor module comprising:
the switching circuit according to claim 3; and
a semiconductor substrate on which all constituent components of the switching circuit are disposed.
12. The semiconductor module according to claim 6, wherein the spiral inductor has a line width of 5 \u03bcm or less.
13. The semiconductor module according to claim 6, wherein the spiral inductor has a line thickness of 2 \u03bcm or less.
14. The semiconductor module according to claim 7, wherein the spiral inductor has a line thickness of 2 \u03bcm or less.