Abstract: A sheet discriminator, which is incorporated in an image forming apparatus and an image forming system, includes a sheet loader on which a recording medium is loaded, an information detector including a light emitter to emit light to a surface of the recording medium loaded on the sheet loader and a light receiver to receive the light emitted by the light emitter and detecting information of the recording medium, a sheet distinguisher to distinguish a type of the recording medium based on the information detected by the information detector, and a light emission controller to control activation and stop of the light emitter and activate the light emitter before the information detector starts detection of the information of the recording medium.

Abstract: A sheet discriminator, which can be included in an image forming apparatus, includes an optical information detector, a sheet distinguisher, and a sheet thickness detector. The optical information detector includes a light emitter to emit light to a recording medium and a light receiver to receive the light and detects information of the recording medium. The sheet distinguisher distinguishes a type of the recording medium based on the information detected by the optical information detector. The sheet thickness detector includes a displacement gauge to sandwich the recording medium with an opposing member disposed facing the displacement gauge and to move from an initial position thereof and a displacement detector to detect an amount of displacement of the displacement gauge. The sheet thickness detector detects a thickness of the recording medium based on detection results obtained by the displacement detector.

Abstract: An image forming apparatus includes an information obtainer, a memory, a candidate determining unit, and an image forming device. The information obtainer obtains feature information from the target recording medium. The memory stores at least one set of recording medium information regarding the target recording medium associated with the feature information and at least one set of image forming condition information corresponding to the recording medium information. The recording medium information is identification information. The candidate determining unit determines a candidate recording medium information from the recording medium information stored in the memory based on the feature information of the target recording medium obtained by the information obtainer. The image forming device forms an image on the target recording medium based on the image forming condition information in the memory according to the candidate recording medium information determined by the candidate determining unit.

Abstract: An image forming apparatus includes an information obtainer, a memory, a candidate determining unit, and an image forming device. The information obtainer obtains feature information from the target recording medium. The memory stores at least one set of recording medium information regarding the target recording medium associated with the feature information and at least one set of image forming condition information corresponding to the recording medium information. The recording medium information is identification information. The candidate determining unit determines a candidate recording medium information from the recording medium information stored in the memory based on the feature information of the target recording medium obtained by the information obtainer. The image forming device forms an image on the target recording medium based on the image forming condition information in the memory according to the candidate recording medium information determined by the candidate determining unit.

Abstract: An image forming apparatus includes an image forming device configured to form a first image on a first side of a recording medium and a second image on a second side of the recording medium, a position detector configured to detect respective positions of the first and second images, and a controller configured to perform, based on detection results obtained by the position detector, at least one of an image position correction by matching the first and second images and a magnification error correction by calculating and correcting a magnification error of one of the first and second images relative to the other. A program product used in the image forming apparatus includes a method of forming the first image and the second image, detecting the respective positions of the first and second images, and matching a position or a size of the first and second images.

Abstract: A connector is mountable on an object in an upper-lower direction and mateable with a mating connector along the upper-lower direction. The connector comprises a housing and an additional member held by the housing. The housing has a receiving portion for receiving the mating connector. The additional member has a fixed portion fixed to an object, a base portion which extends upward from the fixed portion and is located outside the receiving portion in a lateral direction, an armor portion extending inward from the base portion in the lateral direction, a spring portion extending from the base portion and a projection which is supported by the spring portion and projects inward in the lateral direction. The extending of the spring portion from the base portion starts at a starting portion which is nearer to the fixed portion than to the innermost part of the armor portion.

Abstract: A connector is mountable on an object in an up-down direction and mateable with a mating connector along the up-down direction. The mating connector comprises four locked portions. The connector comprises two additional members. Each of the additional members comprises two regulation mechanisms. Each of the regulation mechanisms comprises a spring portion, an operation portion, a first regulating portion, and a second regulating portion. The spring portion has a lock portion. The operation portion has a first regulated portion. One of the spring portion and the operation portion is provided with a second regulated portion. An upward movement of the lock portion is regulated when the first regulated portion is moved upward in the up-down direction to abut against the first regulating portion.

Abstract: A connector is mountable on an object in an upper-lower direction and mateable with a mating connector along the upper-lower direction. The connector comprises a housing and an additional member held by the housing. The housing has a receiving portion for receiving the mating connector. The additional member has a fixed portion fixed to an object, a base portion which extends upward from the fixed portion and is located outside the receiving portion in a lateral direction, an armor portion extending inward from the base portion in the lateral direction, a spring portion extending from the base portion and a projection which is supported by the spring portion and projects inward in the lateral direction. The extending of the spring portion from the base portion starts at a starting portion which is nearer to the fixed portion than to the innermost part of the armor portion.

Abstract: A sheet discriminator, which can be included in an image forming apparatus, includes a sheet loader on which a recording medium is loaded, an information detector including a light emitter to emit light to a surface of the recording medium loaded on the sheet loader and a light receiver to receive the light emitted by the light emitter and detecting information of the recording medium, a sheet distinguisher to distinguish a type of the recording medium based on the information detected by the information detector, and a detector body encasing at least the information detector therein and having an opening formed on an opposing face facing the sheet loader. The opposing face has an opening formed thereon. The opening has at least one arc-shaped side.

Abstract: A connector is mountable on a circuit board and mateable with a mating connector along a mating direction. The connector comprises a contact, a housing, an enclosing portion and a coupling portion. The housing holds the contact. The enclosing portion encloses an outer circumference of the housing in a plane perpendicular to the mating direction. The coupling portion directly or indirectly couples the enclosing portion with the housing so as to allow the enclosing portion to move along the mating direction relative to the housing.

Abstract: An image forming apparatus includes an information obtainer, a memory, a candidate determining unit, and an image forming device. The information obtainer obtains feature information from the target recording medium. The memory stores at least one set of recording medium information regarding the target recording medium associated with the feature information and at least one set of image forming condition information corresponding to the recording medium information. The recording medium information is identification information. The candidate determining unit determines a candidate recording medium information from the recording medium information stored in the memory based on the feature information of the target recording medium obtained by the information obtainer. The image forming device forms an image on the target recording medium based on the image forming condition information in the memory according to the candidate recording medium information determined by the candidate determining unit.

Abstract: A sheet discriminator includes a sheet loader on which a recording medium is loaded, an information detector to detect information of the recording medium loaded on the sheet loader, and a sheet distinguisher to distinguish a type of the recording medium based on the information detected by the information detector. The information detector detects the information of the recording medium with the recording medium being inserted between the sheet loader and the information detector. An image forming apparatus incorporates the sheet discriminator and an image forming part to form an image on the recording medium.

Abstract: An image forming apparatus includes an image forming device configured to form a. first image on a first side of a recording medium and a second image on a second side of the recording medium, a position detector configured to detect respective positions of the first and second images, and a controller configured to perform, based on detection results obtained by the position detector, at least one of an image position correction by matching the first and second images and a magnification error correction by calculating and correcting a magnification error of one of the first and second images relative to the other. A program product used in the image forming apparatus includes a method of forming the first image and the second image, detecting the respective positions of the first and second images, and matching a position or a size of the first and second images.

Abstract: A connector comprises a housing and a terminal. The housing has a terminal accommodation portion and a bottom portion. The terminal accommodation portion opens upward in an up-down direction. The bottom portion is positioned under the terminal accommodation portion. The terminal has a base portion, a spring portion and a contact portion. The base portion is embedded in and held by the bottom portion. The spring portion extends upward from the base portion and is accommodated in the terminal accommodation portion. The contact portion is supported by the spring portion. The base portion is enclosed by the bottom portion in a predetermined plane perpendicular to the up-down direction and is in contact with the bottom portion with no gap in the predetermined plane. When the connector is seen from below, the base portion is partially visible, but the terminal accommodation portion is invisible.

Abstract: An image forming apparatus includes an information obtainer, a memory, a candidate determining unit, and an image forming device. The information obtainer obtains feature information from the target recording medium. The memory stores at least one set of recording medium information regarding the target recording medium associated with the feature information and at least one set of image forming condition information corresponding to the recording medium information. The recording medium information is identification information. The candidate determining unit determines a candidate recording medium information from the recording medium information stored in the memory based on the feature information of the target recording medium obtained by the information obtainer. The image forming device forms an image on the target recording medium based on the image forming condition information in the memory according to the candidate recording medium information determined by the candidate determining unit.

Abstract: A connector comprises a housing and a terminal. The housing has a terminal accommodation portion and a bottom portion. The terminal accommodation portion opens upward in an up-down direction. The bottom portion is positioned under the terminal accommodation portion. The terminal has a base portion, a spring portion and a contact portion. The base portion is embedded in and held by the bottom portion. The spring portion extends upward from the base portion and is accommodated in the terminal accommodation portion. The contact portion is supported by the spring portion. The base portion is enclosed by the bottom portion in a predetermined plane perpendicular to the up-down direction and is in contact with the bottom portion with no gap in the predetermined plane. When the connector is seen from below, the base portion is partially visible, but the terminal accommodation portion is invisible.

Abstract: A sheet discriminator, which can be included in an image forming apparatus, includes an optical information detector, a sheet distinguisher, and a sheet thickness detector. The optical information detector includes a light emitter to emit light to a recording medium and a light receiver to receive the light and detects information of the recording medium. The sheet distinguisher distinguishes a type of the recording medium based on the information detected by the optical information detector. The sheet thickness detector includes a displacement gauge to sandwich the recording medium with an opposing member disposed facing the displacement gauge and to move from an initial position thereof and a displacement detector to detect an amount of displacement of the displacement gauge. The sheet thickness detector detects a thickness of the recording medium based on detection results obtained by the displacement detector.

Abstract: The present invention relates to glass plate-interleaving paper, which is used for a glass plate for use in a display, and in which wood pulp is used as a raw material, and the number of foreign substances having a Mohs hardness of 4 or higher present on the surface of the glass plate-interleaving paper is fewer than 0.010 per square meter. Even if the glass plate-interleaving paper of the present invention is used in a conventional way as glass plate-interleaving paper with respect to a glass plate used as a substrate material for a flat panel display in which high cleanliness and high quality are required, the glass plate-interleaving paper is able to prevent damage or cracks occurring on the surface of the glass plate.

Abstract: Provided is a connector having a locking mechanism that can ensure both the joining strength between a housing and a locking portion and the locking strength and that can cope with pitch narrowing and miniaturization. A plug connector comprises a plug-side housing, plug-side contacts provided to the plug-side housing and adapted to be electrically connected to a receptacle connector, and plug-side locking portions provided to the plug-side housing and adapted to maintain a connected state of the plug connector and the receptacle connector. The plug-side locking portions each comprise a locking plate having a flat plate-like shape and provided so that the normal direction of the plane of the flat plate is oriented in a locking direction with the receptacle connector, and retaining portions provided to the locking plate and formed so as to be integrated with the plug-side housing.