Omron Corporation

Shimadzu Corporation

Tomohiro Tsuji

Hiroyuki Mizusaki

Jumpei Nakamura

Tsuyoshi Miyata

Heita Nada

Makoto Sugimoto

Akira Komoto

Toshio Kawara

Shozo Yano

Yasuhiro Fujinaga

Toshiyuki Miyake

Akira Koomoto

Akio Yagi

Takatoshi Muraoka

Tadashi Nagaoka

Nishio Akira

The disclosure provides a small photoelectric sensor that can secure a capacity for accommodating optical components and secure sealing properties. The small photoelectric sensor includes a holder in which an opening, an edge that defines the opening, and four fixing parts that are independently provided at four corners of a front surface are formed on the front surface; a cover lens that is provided at a position interposed between the four fixing parts, and is connected to the edge in a region overlapping the edge; and an optical component that is held by the holder and projects or receives light through the opening.

Small photoelectric sensor

Provided is a photoelectric sensor that enables manufacturing of a sensor with high environmental durability in a case in which there is more variation in case bodies. A photoelectric sensor includes: a package that includes an optical unit and a sealing member that seals the optical unit, and the optical unit includes at least any one of a light projecting portion that emits light and a light receiving portion that detects light; and a case body that accommodates the package, and a gap is provided between the package and the case body.

Photoelectric sensor and manufacturing method thereof

Photoelectric sensor

A photoelectric sensor capable of suppressing breakage of a cable connected to a case body is provided. The photoelectric sensor includes a case body having an accommodation space which accommodates at least one of a light projecting portion and a light receiving portion therein, and a cable which accommodates a cord connected via a control portion to at least one of the light projecting portion and the light receiving portion, and a concave portion recessed toward an inside of the case body is provided in an outer surface of the case body, and the cable is mounted in the concave portion.

Photoelectric sensor capable of suppressing cable breakage

A photoelectric sensor capable of saving a space is provided. A photoelectric sensor includes a case body with a substantially rectangular parallelepiped shape that accommodates at least one of a light projecting section and a light receiving section. The case body has a front surface that has a light projecting and receiving surface that allows at least one of light from the light projecting section and light to the light receiving section to pass therethrough and a rear surface that is located on a side opposite to the front surface, and a cable that accommodates cords that are connected to at least one of the light projecting section and the light receiving section via a control section is attached to the rear surface.

A photoelectric sensor including at least any one of a light projecting unit for emitting light and a light receiving unit for detecting light includes a substrate on which at least any one of the light projecting unit and the light receiving unit is mounted, a cover which has a protecting portion facing the substrate and for protecting the substrate and a side wall extending from a periphery of the protecting portion, and a sealing member which seals at least any one of the light projecting unit and the light receiving unit that is mounted on the substrate, in which the cover has a protruding portion on a surface which is positioned outside a side surface of the substrate and intersects an extending direction of the side wall, and the protruding portion is in contact with the sealing member.

An electronic counting balance for deriving the number of items from a measured weight of the items through an arithmetic operation including a weight measuring unit, first and second unit-weight memories for storing two kinds of unit weights, a calculator for estimating the number of items replenished on the weight measuring unit, an inputting unit for inputting a variation coefficient of the items to be counted, a maximum addable number calculator for calculating the maximum number of the items without errors in counting, first and second comparators for comparing the maximum number of items with an estimated number of items, a sampling data memory for storing the number estimated by the calculator and data relating to the weight of the replenished items, and a unit weight calculator for estimating two kinds of unit weights in order to renew the contents of the first and second unit weight memories.

Electronic counting balance

An electronic balance includes a system in which a current supplied to a force coil in response to a load applied to the balance is caused to alternate in direction at such a time interval as to permit of no oscillations and in which the measured value is obtained by subtracting the product of the current in the negative direction and a time fraction t.sub.2 for which the same flows from the product of the current in the positive direction and a time fraction t.sub.1 for which the same flows, the sum of said time fractions t.sub.1 and t.sub.2 being equal to each of said time intervals.

Growing community of inventors

Kyoto, Japan

Tomohiro Tsuji