Abstract: A drive module includes: a lower plate spring 7 which is connected to an end surface of a lens frame 4 and an end surface of a module frame 5 arranged in a ?Z direction; and a module lower plate 8 which is arranged on a ?Z side of the lower plate spring 7 and restricts the movement of the lens frame 4 and the lower plate spring 7 in the Z direction. An intermediate member 80 is arranged between the lower plate spring 7 and the module lower plate 8. To set hardness of the intermediate member 80 closer to hardness of the lower plate spring 7 than hardness of the module lower plate 8 is, the module lower plate 8 is made of a resin material and the lower plate spring 7 and the intermediate member 80 are made of a metallic material.

Abstract: A drive module includes a drive unit having a cylindrical supporting member, a driven member accommodated inside the supporting member, and a driving unit configured to reciprocally move the driven member along the axial direction of the supporting member. A top-covered cylindrical cover is attached to the drive unit and covers the drive unit. The cover includes a metallic exterior packaging member configured to cover at least an outer periphery of the drive unit to shield the drive unit from external electromagnetic fields, and a resin spacer attached to the exterior packaging member, the spacer having engaging portions engageable with the drive unit to achieve positioning of the cover.

Abstract: A driving module 1 includes: a support member 5 fixed on a base substrate 8; a driven member 4 arranged so as to be movable back and forth in relation to the support member; driving means 10 for driving the driven member; and an exterior cover 11 attached so as to cover the support member, the driven member, and the driving means and attached and fixed to the base substrate. A projection piece 45 which is accommodated in a concave accommodation portion 50 is formed on the base substrate. The base substrate and the exterior cover are attached and fixed by an adhesive agent filled in a first filling region which is defined between a lateral inner wall 51 and the projection piece and a second filling region which is defined between an upper inner wall 52 and the projection piece.

Abstract: In order to restrain rising of a lens frame due to an ambient environmental temperature and occurrence of an inclination of the lens frame during transmission of no electricity to a shape memory alloy wire, proposed is a drive module including: a lens frame; a supporting member for storing the lens frame; leaf spring members for elastically holding the lens frame so that the lens frame would be movable with respect to the supporting member; a shape memory alloy wire for driving the lens frame toward one leaf spring member against restoring force of the leaf spring members by contraction due to generation of heat in turning on the electricity; and a bias spring member for urging the lens frame toward a base plate through a locking portion to make the lens frame come in contact with the base plate through the other leaf spring member, the drive module wherein the lens frame is provided with a pre-pressure portion for generating urging force for initially deforming one leaf spring member to urge the lens frame t

Abstract: A drive module and an electronic apparatus which can detect inclination of a driven member with high degree of accuracy are provided. A module lower panel and an intermediate member are formed with a plurality of notched portions which expose the inner peripheral portion of a lower leaf spring when viewing a drive unit from below.

Abstract: A drive module of the invention includes a tubular or columnar body to be driven, a tubular supporting body for receiving therein the body to be driven, a plate spring member for elastically holding the body to be driven so as to be movable in a specific direction with respect to the supporting body, and a driving device for driving the body to be driven in the specific direction against a restoring force of the plate spring member. The driving device includes a shape memory alloy wire engaged with the body to be driven and contracted by heat, which is generated when an electric current is applied thereto, to drive the body to be driven against the restoring force of the plate spring member, and a holding terminal having a wire holding portion for holding an end of the shape memory alloy wire. The holding terminal has a fitting portion positioned by being fitted to the supporting body, and a regulating portion serving as a detent of the supporting body.

Abstract: To provide a portable electronic apparatus formed so that the dimensions of a case can be held down to minimum levels as compared with those of an electronic apparatus body. A portable electronic apparatus, such as a wristwatch has a case made of a one-end-opened bottomed cylindrical body, a pin type engaging portion fixed to a bottom wall, projecting from this bottom wall into the interior of the case and toward an opening of the case and provided with an engaging projection on a projecting end section of the pin type engaging portion, and a block type apparatus body provided in a bottom wall thereof with a hole to be engaged into which the pin type engaging portion is inserted, and provided in a circumferential wall of the hole with a portion to be engaged to be engaged with which the projection of the pin type engaging portion is engaged when the apparatus body is placed in a predetermined position in the case. The pin is made of, for example, a split pin provided with an expanding slot.

Abstract: A thermoelectric power generator unit is provided with good heat conducting efficiency and increased resistance to damage of thermoelectric elements due to horizontal and vertical force applied to the thermoelectric elements. Protecting members such as a frame and support columns are disposed around thermoelectric elements between a heat absorbing member and a heat radiating member of the thermoelectric power generator unit. A buffer is provided between the thermoelectric elements and at least one of the heat absorbing member and the heat radiating member.

Abstract: An alarm electronic timepiece has a base member, an alarm indicator wheel supported on the base member for rotation, an an indicating member integrally connected to the alarm indicator wheel for rotation therewith to indicate alarm time. A spring member supports the alarm indicator wheel on the base member and regulates a rotation direction of the alarm indicator wheel. The spring member is integrally connected to the base member.

Abstract: A timepiece has a case back made of a thermally conductive material, an upper case body made of a thermally conductive material and disposed opposite to the case back, and a lower case body made of a thermally insulating material and disposed between the upper case body and the case back. A thermoelectric generator unit generates an electromotive force in accordance with heat conducted from the case back. At least one step-up circuit steps up an electromotive force generated by the thermoelectric generator unit. A storage member stores power and an electromotive force stepped up by the step-up circuit. A timepiece driving circuit is driven by power stored in the storage member or by electromotive force stepped up by the step-up circuit. A power supply operating control circuit controls power flow from the step-up circuit to the storage member and controls whether the electromotive force stepped up by the step-up circuit or the power stored in the storage member is supplied to the timepiece driving circuit.

Abstract: A portable electronic device has a casing has an upper case body and a rear case cover both made of a thermally conductive material. A heat insulating member thermally insulates the rear case cover from the upper case body of the casing. A thermoelectric generator unit is disposed in the casing for generating an electromotive force based on the Seebeck effect. The thermoelectric generator unit has a heat radiating plate for transferring heat to the upper case body and a heat absorbing plate. A heat conductive spacer is made of a thermally conductive and elastically deformable sheet of material and has opposed main surfaces. One of the main surface is disposed in contact with the heat absorbing plate of the thermoelectric generator unit and the other main surface is disposed in contact with an inner side surface of the rear case cover for conducting heat from the rear case cover to the thermoelectric generator unit.

Abstract: A power generating block is provided with a thermoelectric generator unit 180 containing one or more of electrothermic elements 140, further, including a 1st thermally conductive plate 120 constituting a heat absorbing plate and including a 2nd thermally conductive plate constituting a heat radiating plate. A thermal conductive body 244 made of a thermally conductive material is arranged to be brought into contact with the 2nd thermally conductive plate 170. The power generating block with a thermoelectric generator unit is provided with a step-up circuit block 240 including a step-up circuit 410 for boosting electromotive force generated by the thermoelectric generator unit 180 and a power supply operation control circuit 416 for controlling operation of storing the electromotive force generated by the thermoelectric generator unit 180 and controlling operation of the step-up circuit 410.

Abstract: A structure in which destruction of electrothermic elements due to external force is prevented. Connection with the output terminal of a thermoelectric generator unit and with a movement are facilitated. The structure has a good efficiency of heat conduction. A frame 119 is mounted around the electrothermic elements, 111. A heat-absorbing plate 112 and a heat-dissipating plate 118 are firmly mounted to the top and bottom of the frame 119. A buffer member 121 having thermal conductivity is loaded or placed between the electrothermic elements 111 and the heat-absorbing plate 112 or the heat-dissipating plate 118. Thus, the electrothermic elements 111 make a unit structure. The electrothermic elements 111 are connected in series. An electrode portion 114a is at the final end. This electrode portion 114a, the heat-absorbing plate 112, and the heat-dissipating plate 118 are connected to form an electromotive force output means.

Abstract: An alarm setting mechanism for an electronic timepiece has a linkage for converting displacement of an alarm activating stem into a larger displacement of an alarm status indicating member which traverses an arcuate path on the front face of a dial of the timepiece. An alarm switching mechanism sets an alarm by activation of a stem on the timepiece which is connected to the alarm status indicator and the alarm switching mechanism. The linkage includes a pivotable switching lever, a pivotable setting lever and a rotatable alarm indicator plate. The setting lever is connected to the stem to undergo pivotal movement in response to linear displacement of the stem. The switching lever is connected to the setting lever to undergo pivotal movement along with the setting lever and having an arm. The alarm indicator plate is connected to the arm of the switching to undergo rotational movement in response to pivotal movement of the switching lever.

Abstract: A timepiece having a mode displaying function includes an external operating member that is rotatable by a user. A sliding pinion rotatable by the external operating member rotates a transmitting gear. A correction transmitting wheel is rotatable by the transmitting gear. A motion control gear is fixed to the correction transmitting wheel. A motion control spring member having a motion control part contacts with a respective motion control face of the teeth of the motion control gear to regulate the rotation of the correction transmitting wheel during the rotation of the motion control gear. A mode displaying plate is rotatable by the correction transmitting wheel and displays the modes of the timepiece. The mode displaying plate is fixed to a display gear which has a plurality of teeth. A spring member has an urging surface for contacting with a respective motion control face of the teeth of the display gear.