Nec Corporation

Mitsubishi Electric Corporation

The Furukawa Electric Co., Ltd.

Hirose Electric Company, Ltd.

Nec Platforms, Ltd.

Sei Optifrontier Co., Ltd.

Sumiden High Precision Co., Ltd.

Shinichi Matsumoto

Hideki Miyazaki

Kota Iwamoto

Shinya Yamasaki

Masato Shiino

Yoshihiro Itou

Kanako Taga

Toshiaki Takeoka

Shuji Ishikura

Dai Kinno

Koji Seo

Yoshiyuki Hiyama

Takuya Sato

Jun Nishio

Yasuhiro Masuzaki

Jun Yamakawa

Naoko Shimoji

Renichi Yuguchi

Kiyoshi Jokura

Mitsuhiro Tokorotani

Kiyoshi Midorikawa

Hiroshi Miyabayashi

Mitsushi Tominaga

Kazuyuki Ohyama

A station building power supply includes: a power converter that converts DC power to AC power; a casing that houses the power converter; an AC system circuit that supplies the AC power output from the power converter to electrical apparatus outside the casing; and a filter circuit that applies a high-frequency current generated in the power converter from the AC system circuit to the casing. In the station building power supply, the power converter and the casing are grounded.

Station building power supply

A product registration device () includes a casing (), a support portion (), and a first display unit (). The casing () accommodates a control unit. The casing () is vertically long. The support portion () protrudes from the casing (). The first display unit () is supported to the casing () by the support portion (). The first display unit () is vertically long. Therefore, a space occupied by the casing () in a lateral direction can be reduced, and a space occupied by the first display unit () in the lateral direction can be reduced. Thus, it is possible to reduce a space occupied by the product registration device () in the lateral direction.

Product registration device and POS apparatus

A station building power supply device includes a circuit breaker to disconnect a connection with a train side, a circuit breaker to disconnect a connection with the station load side, a power converter disposed between the circuit breaker and the circuit breaker to convert the regenerative power into the AC power, a housing that houses the circuit breaker, the power converter, and the circuit breaker, a voltage sensor that detects a charged state of the housing, and a control unit that controls operations of the circuit breaker, of the power converter, and of the circuit breaker based on a detection result from the voltage sensor.

Station building power supply device and charged-state detection method

A product registration apparatus () includes a comparison unit () and a registration unit (). The comparison unit () compares a first frame and a second frame of a video. The second frame is generated at a time later than the first frame. The comparison unit () determines a product that is not included in the first frame but included in the second frame. Then, the registration unit () registers the determined product (product that is not included in the first frame but included in the second frame) as a payment target.

Information processing apparatus, control method, and program

There is provided a checkout apparatus () including an image data acquisition unit () which acquires data on an image, an image analysis unit () which recognizes a product in the image, using a feature value of appearance of each of a plurality of products registered in a feature value storage unit () and the image data; a registration unit () which registers the product recognized by the image analysis unit () as a checkout target, and a projection unit () which projects an image related to a checkout process on the product and/or a placement surface of a placement platform of the product.

Information processing apparatus, information processing method, and non-transitory storage medium

A station building auxiliary power unit includes a start-of-operation determination unit that determines, based on a first signal that represents information on a power flow direction indicating a direction of flow of electrical power between an AC distribution line electrically connecting to an electric vehicle and a substation for supplying AC power to the AC distribution line, whether first AC power on an AC distribution line side is to be transformed into second AC power usable by a load, and if it is determined that transformation is to be performed, generates and outputs a second signal, a voltage instruction value calculator that calculates and outputs a voltage instruction value corresponding to the second signal, and a PWM signal generator that generates a control signal for a power converter circuit operated upon transformation of the first AC power into the second AC power, and outputs the control signal.

Station building auxiliary power unit for efficient use of regenerative power

A checkout apparatus () includes an image data acquisition unit () that acquires data of an image; an image analysis unit () that recognizes a plurality of products in the image using a feature value of an exterior of each of the products registered in a feature value storage unit () and the data of the image; a reading necessity or non-necessity check unit () that extracts the product for which it is necessary to read a product code from among the recognized products, using an object-to-be-read storage unit () in which the product for which it is necessary to read the product code is registered in advance; and a reading unit () that reads the product code of the product extracted by the reading necessity or non-necessity check unit ().

The present invention relates to a station auxiliary power source apparatus that converts power supplied from an overhead cable to generate power to be supplied to a load in a station. The station auxiliary power source apparatus includes a first average calculation unit that calculates the average value of the overhead cable voltage for every predetermined time period; a second average calculation unit that calculates, two or more times, an average value of the overhead cable voltage that is larger than a first average value of the average value among the overhead cable voltages; a third average calculation unit that calculates an average value of the overhead cable voltage per day; and a comparator that selects any one of a second average value of the average value and a third average value of the average value and sets the selected value as the threshold value.

Station auxiliary power source apparatus

An optical connector includes a sleeve that positions a front end portion of a first ferrule and a front end portion of a second ferrule so as to face each other on the same axis, a first connection retaining member and a second connection retaining member that maintain a state in which the front end portions of the first and second ferrules contact each other and press against each other, and a coil spring that generates a force with which the front end portions of the first and second ferrules press against each other. Optical fiber cables can be connected to each other by containing the first ferrule and the second ferrule, which are attached to the sleeve, respectively in the first connection retaining member and the second connection retaining member and by coupling the first connection retaining member and the second connection retaining member to each other.

Optical connector and method for connecting optical fiber cables

As a cylindrical optical connector, an optical connector includes a pushing member that has a structure that is suitable for holding a coil spring in the optical connector, and that has a structure that, even if clockwise or counterclockwise twisting occurs with respect to an axial direction of the optical connector, properly restricts rotation of the pushing member and, thus, does not allow disengagement of the pushing member caused by an applied force resulting from the rotation of the pushing member to easily occur.

Optical connector

There is provided a waterproof connector. The waterproof connector comprises a connector member supporting a ferrule to be butted against a target ferrule disposed in a target connector, the connector member being adapted to be locked to an adapter member of the target connector by an action of a lock operation portion provided in the connector member; unlocking means being adapted to operate the lock operation portion to release the locked state; and a housing body allowing the unlocking means to be slidably moved. The waterproof connector is adapted to be released from the connection with the target connector in such a manner that the unlocking means is allowed to be moved away from the connector member, whereby the unlocking means is operable to operate the lock operation portion to release the locked state, and to move the connector member away from the adapter member to release the fitting.

Waterproof connector and waterproof device using the same

Provided in the present specification is an optical connector boot including: an attachment portion attached to a connector ferrule, and a cable passing portion through which a flat type optical fiber cable is passed, in which there is provided at one longitudinal end of the cable passing portion an inlet for introducing the flat type optical fiber cable into the cable passing portion, in which there is provided in the attachment portion an outlet for drawing out the flat type optical fiber cable inserted into the cable passing portion, and in which the inlet and the outlet differ from each other in orientation so that the flat type optical fiber cable inserted into the cable passing portion through the inlet may be twisted around its axis within the cable passing portion by drawing it out of the outlet. According to an optical connector of the present invention, a flat type optical fiber cable inserted into and secured in a ferrule is covered with the optical connector boot.

Optical connector boot with controlled rotation feature

An optical connector has a housing in which a ferrule and a stopper are arranged on the front side and the rear side of the housing, respectively. An optical fiber ribbon extends from the ferrule through the stopper engaged with the housing and comes out from the rear end of the housing. A protection boot extends from the rear end of the housing over a predetermined length. The protection boot surrounds the optical fiber ribbon. The protection boot has a front end mounted on the stopper inside the housing.

An optical connector for making connection with a connecting partner side and releasing this connection is provided. The optical connector has an optical connector housing. The optical connector housing is formed by inserting a slider into a base end wall of an arm side member so as to be freely advanced and retreated. A cam following face is formed on an inner wall face of an arm portion of the arm side member. A claw portion is formed on a tip side of the arm portion. An opening angle driving cam member is connected to a tip side of the slider. A ferrule is arranged between the arm portions on a forward side of the opening angle driving cam member. When the slide is moved backward, the opening angle driving cam member is moved backward and is operated to angularly open the arm portion through the cam following face. This opening angle state is maintained by making the opening angle driving cam member abut on a stationary face of the cam following face. The claw portion is dislocated from an engaging position with the connecting partner side by the angular opening of the arm portion so that the connection of the optical connector is released.

Growing community of inventors

Tokyo, Japan

Shinichi Matsumoto