Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Makoto Iyoda

Yasuhiro Miyamoto

Suguru Nakao

Tomonori Mizutani

Shinya Ogasawara

Yoshikazu Yamano

Ryuichi Nagaoka

Shouichi Irie

Yasuo Yokota

Atsushi Inoue

Naoya Kitade

Ichiro Kano

Hiroto Inoue

Mitsuoki Hishida

Yukihiro Iwata

Atsushi Kubo

Hisanori Sasaki

Miyoko Irikiin

Manabu Chikayama

Toshiaki Takasu

Naoko Yamashita

Kiyotaka Nakase

Noburo Chikada

A heat amount measuring method includes a first step of providing a heat-transferring component that transfers and receives heat to and from a heating component and measuring, while the heating component is generating heat, a first heat amount of heat transmitted from the heating component to the heat-transferring component, a first heating component temperature, and a first substrate temperature, a second step of changing an output of the heat-transferring component and measuring a second heat amount of heat transmitted from the heating component to the heat-transferring component, a second heating component temperature, and a second substrate temperature, and a third step of calculating a heat amount of heat transmitted from the heating component to a substrate by using the first heat amount, the first heating component temperature, the first substrate temperature, the second heat amount, the second heating component temperature, and the second substrate temperature.

Heat amount measuring method and heat amount measuring apparatus

A liquid cooling-type cooling device includes a heat-receiving unit, a working fluid that transports heat, a radiator that cools the working fluid from the heat-receiving unit, and a pump. The heat-receiving unit includes a first component that is bottomed tubular, receives the heat from the heat-generating body, and gasifies the working fluid; a second component that is bottomed tubular, is disposed within the first component spaced apart from the first component by a predetermined gap, and has a base including a plurality of through-holes; an inlet for introducing the working fluid to a gasification space between the first component and the second component; an outlet for emitting the working fluid that has passed through the plurality of through-holes and has flowed medial of the second component; and an applier that applies a voltage to the first component and the second component.

Cooling device used for cooling a heat-generating body, projector including the cooling device, and heat-receiving unit used in the cooling device

A drive device includes a housing in which a gas is sealed, wherein density of the gas is lower than density of air, a driven object housed inside the housing, a driver configured to drive the driven object, a current detector configured to detect a value of a current flowing into the driver, and a determinator configured to determine a concentration of the gas inside the housing based on the value of the current detected.

Drive device and projection-type image display device

A cooling device includes a heat receiving unit, a working fluid, a radiator, and a pump. The heat receiving unit includes a first member, a second member, an inlet housing, and an outlet housing. The first member receives heat. The second member is disposed to face the first member. The inlet housing is connected to the pump and disposed between the first member and the second member. The outlet housing is connected to the radiator and disposed on a side of the second member facing away from the inlet housing. The first member and the second member are disposed at a predetermined distance away from each other. A vaporization space portion is disposed between the first member and the second member. An outlet space portion is disposed on a side of the second member facing away from the vaporization space portion.

Cooling device, projector, and heat receiving unit

A microelement includes: a base being a body of the microelement, the base including a liquid inlet for a liquid to be introduced, a liquid outlet for the liquid to be discharged, and a groove for the liquid to flow from the liquid inlet toward the liquid outlet; a cover that covers the groove of the base; and a liquid flow controller film segment that is fixed to an inner surface of the cover so as to be opposite to the groove. The liquid flow controller film segment is arc-shaped curved-band-like extending in a direction crossing a flow direction of the liquid and has a radius about a center-corresponding position of the cover corresponding to a center of the liquid outlet of the groove. The liquid flow controller film segment is exposed in the groove and disposed on the downstream side to an exposed surface at the inner surface of the cover in the flow direction of the liquid in the groove. The liquid flow controller film segment has a contact angle that is greater than a contact angle of the exposed surface at the inner surface of the cover.

Microelement

An imaging device according to the present disclosure includes: an imaging unit that is housed in an outer case and captures an image of an object; a circuit board that is disposed on a back side in the outer case and includes a semiconductor device mounted thereon for processing a signal from the imaging unit; and a metal plate that is disposed between the imaging unit and the circuit board in the outer case and is fixed to the outer case. The metal plate has a first portion opposite to the circuit board and brought into mechanical contact with the semiconductor device through a contact member, and at least two second portions formed integrally with the first portion and bent in an optical axis direction of the imaging unit.

Imaging device

Provided is an imaging device that does not let a user experience a sense of discomfort by touching a support attaching part. The imaging device includes: a support attaching part that is disposed on a support attaching surface and includes a screw hole; and a support attaching part cover that moves between a first position covering the support attaching part and a second position uncovering the support attaching part without generating convexness with regard to the support attaching surface. When a support is attached to the support attaching part, the support attaching part cover moves from the first position to the second position; and when the support is removed from the support attaching part, the support attaching part cover moves from the second position to the first position.

Imaging device support-attaching part cover

An imaging apparatus comprises a first imaging unit, a second imaging unit whose use frequency is lower than that of the first imaging unit, an exterior case for housing the first imaging unit and the second imaging unit, and a brace mounting section mounted to the exterior case so as to be partially exposed to an outside. The first imaging unit, the second imaging unit and the brace mounting section are arranged so that a distance from the first imaging unit to the brace mounting section is longer than a distance from the second imaging unit to the brace mounting section.

Imaging apparatus

An imaging apparatus capable of reducing increase in the temperature of a supporting device coupling section is provided. The imaging apparatus includes a supporting device fixing portion having a screw hole to which a supporting device can be coupled, a supporting device receiving portion which has an exposed surface formed around the entrance of the screw hole and is configured to receive the supporting device, and an exterior section having an outer surface formed around an opening. The supporting device fixing portion and the supporting device receiving portion are formed as separate portions.

Imaging apparatus with supporting device having improved heat dissipation

An imaging apparatus having a protection ring which protects a supporting device coupling section such that it is difficult for a user to touch the supporting device coupling section is provided. A supporting device can be coupled to a camera body, and the camera body includes a supporting device coupling section and a protection ring. The supporting device coupling section has a screw hole to which the supporting device can be coupled, and a supporting device coupling surface which is formed and exposed around the entrance of the screw hole. The protection ring includes a return spring which restricts the position of the protection ring, a return spring stopper which supports the return spring, and a supporting device contact surface which protrudes outward of the exposed surface formed around the entrance of the screw hole of the supporting device coupling section, in a direction toward a housing outside.

An imaging device to which a support can be attached includes a support attachment unit and a support body unit. The support attachment unit includes a first threaded hole configured to be attached to the support, and an exposure face formed around the entrance of the first threaded hole. The support body unit includes a housing having an opening configured to expose the exposure face and an outer surface formed around the opening, and movably supports the support attachment unit. The support attachment unit is disposed at a first position when the support is not attached, and is disposed at a second position when the support is attached. The exposure face is disposed more to the inside of the housing than the outer surface when the support attachment unit is disposed at the first position.

An injection moldincludes a first portion, a second portion, a third portion, and a fourth portion. The first portionhas three high-density regions H in which there is the highest proportion of the axial direction dimension accounted for by the portion corresponding to cam grooves with respect to the axial direction dimension of a cavity. First gatesare disposed at locations corresponding to the high-density regions H, or closer to the high-density regions H than second gates. The average channel sectional area of first runnersis larger than the average channel sectional area of second runners

Cylindrical molded article, injection mold and manufacturing method of cylindrical molded article

A camera body includes a body mount, an imaging element, an imaging element circuit board, a main circuit board, and a metal heat radiating plate. The body mount allows the lens unit to be mounted. The imaging element is disposed on the opposite side of the body mount from the side where the lens unit is mounted, and converts an optical image of the subject into image data. The imaging element circuit board is electrically connected to the imaging element and controls the imaging element. The main circuit board is disposed on the opposite side of the imaging element from the body mount, and includes a camera controller. The heat radiating plate is disposed between the imaging element and the main circuit board.

Camera body and imaging device equipped with same

A camera body includes a body mount to which the lens unit can be mounted, a metal main frame supporting the body mount, an imaging element configured to convert an optical image of the subject into image data, an intermediate part disposed along a thermal conduction path formed between the main frame and the imaging element, and a metal heat radiating member connected to the intermediate part.

By providing a coloring agent, which is brought in contact with the liquid fuel leaked from an outer peripheral portion of the liquid fuel holding section that is configured to hold the liquid fuel and by which the contact portion is changed in color, in at least part of the outer peripheral portion, the leakage of the liquid fuel from the liquid fuel holding section can be visually detected swiftly and easily without providing any special detection device.

Growing community of inventors

Osaka, Japan

Makoto Iyoda