Ricoh Company, Ltd.

Canon Kabushiki Kaisha

Fujifilm Corporation

Fuji Xerox Co., Ltd.

Rioch Company, Limited

Nobuyoshi Suzuki

Masahiro Tamura

Shuuya Nagasako

Makoto Hidaka

Naohiro Kikkawa

Akira Kunieda

Kazuhiro Kobayashi

Junichi Tokita

Hiroshi Maeda

Yuusuke Shibasaki

Takuya Morinaga

Kenji Yamada

Hitoshi Hattori

Junichi Iida

Tomohiro Furuhashi

Takashi Saito

Hiroki Okada

Shingo Matsushita

Shinji Asami

Katsuhiro Kosuge

Wataru Takahashi

Shohichi Satoh

Takahiro Watanabe

Michitaka Suzuki

Takahiro Matsuda

Hidehiko Fujiwara

Ryuji Yoshida

Satoshi Saito

Kiyoshi Hata

Kei Sasaki

Takeshi Sasaki

Yohsuke Haraguchi

Hiroyuki Hamano

Akihisa Horiuchi

Hiroshi Kubo

Hiromoto Saitoh

Ichiro Ichihashi

Tomoichi Nomura

Akihiro Musha

Akihito Andoh

Ikuhisa Okamoto

Koki Sakano

Shingo Yoshizawa

Atsushi Kuriyama

Atsushi Shinoda

Kiichiroh Gotoh

Takamasa Matsumoto

Kazuyoshi Matsuo

Taro Murakami

Kiyoshi Nitto

Muneharu Sugiura

Hitoshi Mukaiya

Yukitaka Nakazato

Atsuto Noda

Koju Ito

Hirotaka Hayashi

Nagayasu Yoshida

Satoshi Sakamaki

Shinji Tanoue

Takahiro Itou

Junici Iida

Rika Andoh

Rika Andoh, Legal Representative

Kota Nakashima

Hideaki Yokoo

Kobayashi Kazuhiro

Kuzuhiro Kobayashi

Kikkawa Naohiro

Furuhashi Tomohiro

Gotoh Kiichiroh

An optical system includes, in order from a side of an exit pupil to a side of a display element, a polarization selective half-transmissive reflective element, a first quarter waveplate, an optical member including a half-transmissive reflective surface, a second quarter waveplate, and a polarizer, and is configured to guide light from the display element to the exit pupil. The optical system is changeable between a first state in which polarization directions of the polarization selective half-transmissive reflective element and the polarizer are orthogonal to each other, and a second state in which the polarization directions of the polarization selective half-transmissive reflective element and the polarizer coincide with each other.

Optical system, display apparatus having the same, and control apparatus

An envelope processing apparatus includes a flap opener, a first envelope detector, a second envelope detector, and circuitry. The flap opener opens a flap of an envelope during conveyance of the envelope in an envelope conveyance passage in which the envelope is conveyed to an enclosing position. The first envelope detector detects the envelope at a position upstream from the flap opener in a conveyance direction of the envelope. The second envelope detector detects the envelope at a position downstream from the flap opener in the conveyance direction. The circuitry causes the flap opener to execute an opening operation of the flap of the envelope conveyed to the enclosing position and causes the flap opener to execute the opening operation of the flap again when an opening-and-closing state of the flap determined based on detection results of the envelope by the first and second envelope detectors is abnormal.

Envelope processing apparatus and image forming system

An envelope processing apparatus conveys an envelope to an enclosing position and encloses an enclosure on which specific information is formed at a formation position. The enclosing device includes: an envelope conveyor to convey the enclosure to the enclosing position to insert the enclosure into the envelope; a sensor to acquire, as an image, a structure of the envelope during conveyance, and acquire transparent-portion information indicating a position of a transparent portion in the envelope; an envelope holder to hold the envelope in a state in which the enclosure is insertable; and control circuitry to output position adjustment information for adjusting a position of the envelope in a width direction of the envelope at the enclosing position or a position of the specific information in a conveyance direction of the envelope, based on relative positions between the formation position of the specific information and the position of the transparent portion.

An envelope processing apparatus for enclosing an enclosure in an envelope includes an envelope conveyance path, an enclosure supplier, an envelope supplier, a flap opener, and an envelope stacker. The envelope conveyance path extends in a substantially vertical direction to convey the envelope. The enclosure supplier supplies the enclosure to the envelope via the envelope conveyance path. The envelope supplier supplies the envelope to the envelope conveyance path, The flap opener opens a flap portion of the envelope between the envelope supplier and the envelope conveyance path. The envelope stacker stacks the envelope ejected from the envelope conveyance path.

Envelope processing apparatus, enclosing-sealing apparatus, and image forming system

An enclosing device to insert an enclosure into an envelope conveyed to an enclosing position includes an envelope conveyor and an enclosing unit. The envelope conveyor conveys the envelope to the enclosing position. The enclosing unit opens a frontage of the envelope such that the enclosure is inserted into the envelope that has reached the enclosing position and includes an opening amount adjuster to adjust an opening amount of the frontage when the enclosure is inserted into the envelope. The opening amount adjuster adjusts the opening amount, depending on a flap length and a body length. The flap length is a length of a flap of the envelope in a conveyance direction in which the envelope is conveyed to the enclosing position. The body length is a length of a body of the envelope in the conveyance direction.

Enclosing device, envelope processing apparatus, and image forming system

An envelope processing apparatus inserts an enclosure into an envelope and includes a first conveyor, a first ejector, a second conveyor, a second ejector, and circuitry. The first conveyor conveys the enclosure to an enclosing position. The envelope in which the enclosure is enclosed is ejected to the first ejector. The second conveyor conveys the envelope to the enclosing position via an envelope conveyance passage extended in a substantially vertical and up-and-down direction and conveys the envelope in which the enclosure is inserted to the first ejector. The second ejector is separate from the first ejector. The enclosure is ejected to the second ejector. The circuitry controls a conveyance operation of the first conveyor and the second conveyor.

An enclosing apparatus for enclosing an enclosure into an envelope at an enclosing position includes a conveyance roller that conveys the envelope to the enclosing position and an envelope conveyance path through which the envelope is conveyed. An enclosing support is disposed in the envelope conveyance path and supports enclosing of the enclosure into the envelope. The enclosing support retracts a flap of the envelope from the envelope conveyance path while the conveyance roller conveys the envelope to the enclosing position.

Enclosing apparatus and image forming system

An envelope processing apparatus that inserts an enclosure into an envelope includes an envelope conveyor, a flap opener, an enclosure pusher, and circuitry. The envelope conveyor extends in a vertical direction and conveys the envelope to an enclosing position via an envelope conveyance passage as a passage in which the envelope is conveyed. The flap opener opens a flap of the envelope. The enclosure pusher pushes the enclosure toward an opening of a body of the envelope conveyed to the enclosing position with the flap open. The circuitry changes a pushing amount of the enclosure into the envelope and adjusts the pushing amount based on the opening of the body of the envelope within a specified range from an inside to an outside of the body of the envelope.

An enclosing-sealing apparatus includes a flap opener that opens a flap of an envelope while the envelope is conveyed to an enclosing position. A first envelope detector is disposed upstream from the flap opener in an envelope conveyance direction and detects both ends of the envelope in the envelope conveyance direction. A second envelope detector is disposed downstream from the flap opener in the envelope conveyance direction and detects both ends of the envelope in the envelope conveyance direction in an open state in which the flap opens. A controller determines the open state of the flap based on a first detection result sent from the first envelope detector and a second detection result sent from the second envelope detector. The controller performs troubleshooting for enclosing the enclosure into the envelope if the controller determines that the open state of the flap is faulty.

Enclosing-sealing apparatus and image forming system

An envelope processing apparatus for enclosing an enclosure into an envelope conveyed to an enclosing position includes a conveyance roller that conveys the envelope to the enclosing position. A first envelope length calculator calculates a first envelope length of the envelope in an envelope conveyance direction in which the envelope is conveyed in a close state in which a flap of the envelope closes. A flap opener opens the flap while the conveyance roller conveys the envelope. A second envelope length calculator calculates a second envelope length of the envelope in the envelope conveyance direction in an open state in which the flap opens. A controller calculates a flap length of the flap in the envelope conveyance direction based on the first envelope length and the second envelope length. The controller controls enclosing of the enclosure into the envelope based on the flap length.

A medium stacker includes a stacking portion, a rotary portion, a medium holder, a medium mover, and circuitry. The stacking portion has a stacking face to stack a sheet medium on which an image is formed. The rotary portion is configured to hold a leading end of the sheet medium in a sheet conveyance direction, reverse the sheet medium on the stacking face of the stacking portion, and convey the sheet medium. The medium holder is configured to hold the sheet medium when the sheet medium is conveyed by the rotary portion. The medium mover is configured to move the sheet medium to a predetermined position in a direction orthogonal to the sheet conveyance direction of the sheet medium while the sheet medium is held by the rotary portion. The circuitry is configured to control the rotary portion and the medium mover.

Medium stacker and image forming system incorporating the medium stacker

A lens barrel includes a first cam member including a first cam portion engaged with a first lens holding member, the first cam member being configured to rotate and to move the first lens holding member, and a second cam member including a second cam portion engaged with a second lens holding member, the second cam member being configured to rotate around the optical axis to move the second lens holding member in the optical axis direction via the second cam portion. A third engagement portion provided on one of the first lens holding member and the second cam member is engaged with a third cam portion provided on the other. The second cam member is rotated, and moved in the optical axis direction by the third cam portion.

Lens barrel and optical apparatus

An image pickup apparatus includes a lens barrel unit including an imaging optical system, a first cylindrical member, a second cylindrical member movable relative to the first cylindrical member along a guide bar between a retracted position and a pop-up position, a diopter adjuster provided on the second cylindrical member, a first detector configured to detect that the second cylindrical member is located at the retracted position or the pop-up position, and a first display unit. The guide bar is formed inside a projection surface of the first display unit when viewed from an optical axis direction. The first detection unit is fixed onto the first cylindrical member, and the first detector is more distant from the lens barrel unit than a reference line that passes a center of the first cylindrical member when viewed from the optical axis direction.

Image pickup apparatus

A binding apparatus includes a pair of pressing members to sandwich and press a sheet bundle to bind the sheet bundle, a rotator to rotate to periodically separate and contact the pressing members with each other, a detector to detect whether the rotator is between a first position at which the pressing members are separated from each other and a second position downstream from the first position in a forward rotation direction of the rotator, and control circuitry. The second position is upstream in the forward rotation direction from a peak position at which a pressing force between the pressing members is maximum. The control circuitry is configured to rotate the rotator in a reverse direction to the forward rotation direction to move the rotator to the first position when the detector detects that the rotator is between the first position and the second position in the forward rotation direction.

Binding apparatus and image forming system including same

In a lens barrel, a first drive unit is driven to thereby cause a third lens holding frame to be movable in an optical axis direction relatively to a first lens holding frame and a second lens holding frame. One end of a guide shaft is fixed to the first lens holding frame, and another end of the guide shaft is fixed to the second lens holding frame.

Lens barrel and image capturing apparatus

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Tokyo, Japan

Nobuyoshi Suzuki