1. An angle adjustment device, comprising;
a main body;
an operation panel movably supported on the main body;
a block mechanism to block movement of the operation panel with respect to the main body;
a release-hold mechanism to release block of movement of the operation panel by the block mechanism and hold a released state of the operation panel; and
a recovery mechanism to return to a state in which movement of the operational panel is blocked by the block mechanism from a state in which the block of movement of the operation panel is released by the block mechanism.
2. The angle adjustment device according to claim 1, wherein the block mechanism includes an arm provided on a first member which is either the main body or the operation panel, the arm having a plurality of blocking recessed portions formed with an interval of predefined angle about a central rotational axis with respect to the main body of the operation panel, and a blocking member disposed to a second member different from the first member which is either the main body or the operation panel, the blocking member being engaged with any of a plurality of the blocking recessed portions so to block rotation of the operation panel with respect to the main body.
3. The angle adjustment device according to claim 2, wherein the release-hold mechanism maintains a released blocking by means of the block mechanism while the operation panel being rotated by the predefined angle, and if the operation panel rotation exceeds the predefined angle, releases a hold to restore back to the block condition by means of the recovery mechanism.
4. The angle adjustment device according to claim 2, wherein the blocking member is a bar-like member engaged with the blocking recessed portion.
5. The angle adjustment device according to claim 2, wherein the release-hold mechanism includes a slider having the blocking member and moving along a first axis direction in which the blocking member comes close to and off the rotation axis, and a fixing mechanism for fixing the slider at a position where the blocking member comes off the blocking recessed portion due to movement along the first axis direction of the slider.
6. The angle adjustment device according to claim 5, wherein the release hold mechanism further includes a release lever movable to a second axis direction intersecting with the first axis, and a cum mechanism for moving the slider to the first axis direction along a movement of the release lever toward the second axis direction.
7. The angle adjustment device according to claim 6, wherein the fixing mechanism includes a locking member disposed onto a part of the release lever, and a fixing member having an engaging portion with which the locking member engages with along movement of the release lever from one side of the second axis direction to the other side.
8. The angle adjustment device according to claim 7, wherein a plurality of the locking members are disposed to the second axis direction with a predefined interval therebetween.
9. The angle adjustment device according to claim 8, wherein the fixing member has a plurality of the engaged portions disposed to correspond to a plurality of the locking members.
10. The angle adjustment device according to claim 6, wherein; the release lever, by receiving a pressing force from externally, moves from one side of the second axis direction to the other side, and the slider, along movement of the release lever from one side of the second axis direction to the other side, moves blocking member away from the blocking recessed portion.
11. The angle adjustment device according to claim 7, wherein the release hold mechanism contacts the locking member along rotation of the operation panel with respect to the main body and has a contacting portion to release an engagement of the locking member with an engagement portion of the fixing member.
12. The angle adjustment device according to claim 7, wherein the recovery mechanism has a first urging means to always urge the release lever from the other side of the second axis direction to one side.
13. The angle adjustment device according to claim 7, wherein the recovery mechanism further comprises a second urging means to always urge the slider toward a such direction that the blocking member moves close to the rotation axis.
14. An image forming apparatus, comprising;
an operation panel on which a user enters a command, a main body forming an image based on a command entered from the operation panel, and the angle adjustment device according to claim 1, adjusting an up-down rotation angle of the operation panel with respect to the main body.
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 mission management system configured to manage a mission of an aircraft, the mission management system comprising:
a flight management system comprising a flight management unit, the flight management unit being configured to define and manage a flight plan and an associated flight trajectory for a flight phase of the mission;
an airport navigation unit configured to define and manage a ground taxiing plan on an airport and an associated taxiing trajectory for at least one ground phase of the mission; and
a mission management unit linked to the flight management unit and to the airport navigation unit and being configured to manage a continuity between the ground and flight phases of the mission and mission prediction computations,
wherein said flight management system has an architecture comprising:
a core module configured to implement generic functionalities related to the management of the flight of the aircraft;
a supplementary module configured to implement specific supplementary functions;
a data exchange interface configured to link together the core and supplementary modules, and
wherein the flight management unit is housed in said module and the mission management unit is housed in the supplementary module.
2. The mission management system as claimed in claim 1, wherein the airport navigation unit is housed in a generic humanmachine interface linked to the core module.
3. The mission management system as claimed in claim 1, wherein the airport navigation unit is housed in a specific humanmachine interface suitable linked to the supplementary module.
4. The mission management system as claimed in claim 1,
wherein the mission management unit is configured to distribute and synchronize prediction computations of the mission between the flight management unit and the airport navigation unit, and
wherein the flight management unit is configured to compute predictions of the flight phase of the mission and the airport navigation unit is configured to compute predictions of the ground phase of the mission.
5. The mission management system as claimed in claim 1, wherein the flight management unit is configured to determine the flight trajectory and to compute predictions associated with the flight trajectory, respectively based on an optimum flight speed, a minimum flight speed, and a maximum flight speed.
6. The mission management system as claimed in claim 1, wherein the airport navigation unit is configured to determine at least one taxiing trajectory of the ground phase and to compute predictions associated with the taxiing trajectory, respectively based on an optimum ground speed, a minimum ground speed, and a maximum ground speed.
7. The mission management system as claimed in claim 1, further comprising a humanmachine interface unit configured to enable an operator to modify mission parameters.
8. The mission management system as claimed in claim 7, wherein the interface unit is configured to allow the operator to modify at least one of the following parameters:
an airport of departure;
an airport of arrival;
a departure gate of the airport of departure;
a takeoff runway of the airport of departure;
a landing runway of the airport of arrival;
an arrival gate of the airport of arrival;
a flight andor taxiing cost index;
a required time at the departure gate, on takeoff, on landing andor at the arrival gate; and
a quantity of fuel available at the departure gate, on takeoff, on landing andor at the arrival gate.
9. A method of operating a mission management system to manage a mission of an aircraft, the method comprising:
distributing and synchronizing, by a mission management unit, computations of predictions of the mission between a flight management unit and an airport navigation unit,
wherein predictions of a flight phase of the mission is computed by the flight management unit and predictions of a ground phase of the mission is computed by the airport navigation unit.
10. The method as claimed in claim 8, further comprising:
the flight management unit determining a flight trajectory of the flight phase and computing predictions associated with the flight trajectory, respectively based on an optimum flight speed, a minimum flight speed, and a maximum flight speed; and
the airport navigation unit determining at least one taxiing trajectory of the ground phase and computing predictions associated with the taxiing trajectory, respectively based on an optimum ground speed, a minimum ground speed, and a maximum ground speed.
11. The method as claimed in claim 9, further comprising:
upon an insertion of a takeoff point constraint, which is a constraint inserted at a takeoff point, transmitting the takeoff point constraint to the airport navigation unit to determine and display an associated constraint on a departure gate point;
upon an insertion of a landing point constraint, which is a constraint inserted on a part of the flight at a landing point:
if the landing point constraint lies between minimum and maximum values computed for the flight part, transmitting the landing constraint to the flight management unit to adjust a cost index and recompute the predictions, a resulting time estimation on takeoff being defined as a constraint at a takeoff point to secure a downstream flight part and ensure that the constraint is verified; and
if the landing point constraint does not lie within the minimum and maximum values computed for the flight part, transmitting the landing point it to the flight management unit to adjust a cost index and recompute the predictions, a modified value on takeoff obtained then being entered as a constraint and supplied to the airport navigation unit to constrain a takeoff time according to minimum and maximum values computed for a corresponding taxiing part; and
upon an insertion of an arrival gate constraint, which is a constraint is inserted at an arrival gate:
if the arrival gate constraint lies within computed minimum and maximum values, defining the value on landing as a constraint to secure the constraint entered; and
if the arrival gate constraint does not lie within the computed minimum and maximum values, transmitting the arrival gate constraint to the airport navigation unit to recompute the predictions, a modified value on landing obtained then being entered as a constraint and supplied to the flight management unit for an adjustment of the cost index and a new computation of the predictions on the flight part.