Abstract: A printer includes a holder configured to house rolled recording paper, a cover that is attached to the holder to be openable and closable relative to the holder, and a contact part that is attached to the cover and configured to contact the recording paper. The contact part is configured such that the contact part substantially point-contacts the recording paper, and positions on the contact part contacting the recording paper change as the recording paper is unrolled.

Abstract: An electromagnetic relay including: a fixed terminal that includes a fixed contact; a movable spring that includes a movable piece on which a first through-hole is formed; a conductive plate that includes a second through-hole; a movable contact that includes a head part that is in contact with and is separated from the fixed contact, and a leg part that is inserted into the first through-hole and the second through-hole; wherein the conductive plate is disposed between the head part and the movable spring, in a radial direction of the first through-hole and the second through-hole, the head part does not protrude from an outer edge of the conductive plate but protrudes from the outer edge of the movable piece.

Abstract: A switch system includes: a projection; a plurality of switches that are arranged on a side surface of the projection along a circumferential direction, each switch detecting touch to the side surface of the projection by an operator as on or off; and a determiner that acquires on/off states of the switches, and determines a rotational direction of an operator's finger along the circumferential direction of the projection based on a current on/off state currently acquired from each switch and a previous on/off state previously acquired from each switch.

Abstract: A printer includes: a holding member configured to hold a roll of paper; an elastic member configured to support the holding member so that the holding member is slidable in a vertical direction; a first detection unit configured to detect a position of the holding member; and a second detection unit that detects a near-end of the roll of paper based on a detection result by the first detection unit.

Abstract: An electromagnetic relay includes: a first member integrally including a first horizontal portion to which an armature is fixed, a vertical portion to which a yoke is fixed, a hinge spring connected between the vertical portion and the first horizontal portion, a spring arm including a pair of movable contacts, and a pair of first terminals extended downward from the vertical portion; a second member integrally including a front plate portion extended in front of an electromagnet in a vertical direction, a second horizontal portion including a pair of fixed contacts opposed to the movable contacts, and a pair of second terminals extended downward from the front plate portion; a pair of permanent magnets that sandwich the movable contacts and the fixed contacts in a right-to-left direction and that is not opposed to the electromagnet; and a cover including accommodating portions accommodating the permanent magnets.

Abstract: A measuring instrument includes: a measure on which a code having color patterns is printed; a plurality of first readers that optically read colors of first ranges in first patterns corresponding to digits except a least significant digit among the color patterns, the first ranges in the first patterns being arranged in a second direction; and a plurality of second readers that optically read colors of second ranges in second patterns arranged in a first direction corresponding to patterns of the least significant digit among the color patterns, the second ranges being arranged in the first direction at an interval different from a width of the pattern in the first direction.

Abstract: A key switch device includes: an operation member to be depressed; a switch disposed below the operation member; a reaction force generating member that is provided between the operation member and the switch, performs elastic buckling deformation by depression of the operation member, gives a reaction force according to the elastic buckling deformation to the operation member; and a depression member that is provided between the operation member and the switch, and depresses the switch; wherein the reaction force generating member includes a supporter that supports the depression member.

Abstract: An optical connector for detachable coupling to a cage includes a case having a guide portion and a pull-tab movably attached to the case, wherein the pull-tab includes an arm made of an elastic material and configured to slide on the guide portion of the case to be elastically deformed upon the pull-tab being moved in a removal direction in which the optical connector is uncoupled from the cage, and wherein moving the pull-tab in the removal direction relative to the case against an elastic force applied by the arm causes the pull-tab to disable a lock that secures the case to the cage.

Abstract: A key switch includes a movable part configured to be moved by a pressing operation, a support mechanism that movably supports the movable part, an electrical connector including multiple pairs of contacts of upper electrodes and lower electrodes, and a disc spring that is disposed between the movable part and the electrical connector and configured to be elastically deformed by movement of the movable part and to press the electrical connector. The multiple pairs of contacts are provided for one movable part. When the disc spring is deformed by the movement of the movable part, the disc spring is configured to simultaneously press the multiple pairs of contacts provided for the corresponding movable part.

Abstract: A printing apparatus includes a printer, a baseplate, a jacket, and a container. The printer is configured to perform printing on a recording sheet. The baseplate holds the printer. The jacket is attached to a first surface of the baseplate, and is configured to hold an information terminal. The container is attached to a second surface of the baseplate facing away from the first surface, and is configured to store the recording sheet.

Abstract: An optical module includes a lens sheet having at least one lens on one surface thereof, a substrate having at least one of a light emitter or a light receiver on one surface thereof, and an adhesive film configured to bond the lens sheet to the substrate, wherein a protrusion is formed on the lens sheet so as to surround the lens.

Abstract: A printer includes a print module that prints data on a recording medium, a communication module that wirelessly communicates with an information apparatus, a pressable switch, a rotatable dial knob, and a controller that sends, via the communication module to the information apparatus, information for operating the information apparatus according to operations of the switch and the dial knob.

Abstract: A testing method for testing a jointed condition of a first ferrule holding an edge of an optical waveguide and a second ferrule holding an edge of an optical fiber, includes: dipping the first ferrule and the second ferrule that are jointed to each other into coolant so that the optical waveguide and the optical fiber are optically connected; heating the coolant; cooling the coolant after the heating; inputting a light to one of the optical waveguide and the optical fiber after cooling the coolant, and detecting a light output from the other.

Abstract: A testing method for testing a jointed condition of a first ferrule holding an edge of an optical waveguide and a second ferrule holding an edge of an optical fiber, includes: dipping the first ferrule and the second ferrule that are jointed to each other into coolant so that the optical waveguide and the optical fiber are optically connected; heating the coolant; cooling the coolant after the heating; inputting a light to one of the optical waveguide and the optical fiber after cooling the coolant, and detecting a light output from the other.

Abstract: A sheet cassette includes a housing, multiple cassettes stacked and provided in the housing, and a rotary cam. The cassettes store a recording sheet. The rotary cam includes multiple pins provided at opposite positions across the axis of rotation of the rotary cam. Adjacent cassettes are offset relative to each other in an offset direction. First receiving parts for receiving the pins are provided one in each of the adjacent cassettes at a first end thereof in the offset direction. The rotary cam rotates with at least one of the pins being in at least one of the first receiving parts of the adjacent cassettes to move the cassettes as connected.

Abstract: A touch panel including: a substrate that includes an operation surface and a transparent conductive film formed opposite to the operation surface; a wiring pattern that is disposed below the transparent conductive film; and a decorative layer that is disposed between the transparent conductive film and the wiring pattern, and is composed of a chromatic color conductive ink which conducts the transparent conductive film and the wiring pattern.

Abstract: A tactile presentation device includes: a substrate that has a lower surface on which a vibration generation element is mounted, and an upper surface opposite to the lower surface; a first adhesive layer that is disposed on the upper surface of the substrate; a first elastic layer that is disposed on the first adhesive layer, and has a lower elastic modulus than an elastic modulus of the substrate; wherein the elastic modulus of the first elastic layer corresponding to a frequency of an ultrasonic band of the vibration generation element is equal to or more than 1 GPa.

Abstract: An input device includes: a printing layer on which an image of a key including a character is printed; a 3D lens that three-dimensionally floats the image of the key printed on the printing layer; and an input detector that detects an input in accordance with the depression of the image of the key floating three-dimensionally.

Abstract: A wireless module including: a substrate that includes a first surface and a second surface on the back side of the first surface; a plurality of signal terminals that are provided on the first surface and the second surface, input and output signals; an antenna provided on the first surface; a signal processing circuit that is provided on the second surface, is connected between the signal terminals and the antenna, and performs various signal processings on signals input from the signal terminals and the antenna; wherein the signal terminals are arranged in horizontal symmetry on the first surface and the second surface, arranged at the same positions of the first surface and the second surface, and connected to a single signal line in the substrate.

Abstract: A printer includes a printer mechanism unit including a frame and a print head, a platen unit including a platen roller, a detection switch configured to detect connecting of the platen unit to the printer mechanism unit, and a switch holder having the detection switch attached thereto and covering part of the detection switch, wherein the switch holder is mounted to one of the frame and the platen unit.