Fuji Xerox Co., Ltd.

Fujifilm Business Innovation Corp.

Canon Kabushiki Kaisha

Showa Denko K.k.

Atsushi Sugawara

Satoshi Miura

Daisuke Noguchi

Yoshimasa Fujihara

Shintaro Anno

Yasuo Kadokura

Masanobu Ninomiya

Yukiaki Nakamura

Tsuyoshi Murakami

Hiroshi Nakazawa

Masaru Takahashi

Kana Yoshida

Sakiko Hirai

Daisuke Tomita

Akira Matsumoto

Yusuke Ikeda

Masaki Iwase

Shuji Sato

Yosuke Tsurumi

Koji Sasaki

Noriyuki Mizutani

Moegi Iguchi

Satomi Hara

Yasuko Torii

Tetsuya Taguchi

Kazuhiko Nakamura

Satoshi Kamiwaki

Takuya Shintani

Eisuke Iwazaki

Masaki Nakamura

Yosuke Fukai

Naoyuki Nakagawara

Yukihiro Matsumoto

Takuro Morita

Yusuke Toriumi

Tatsuya Hanayama

Kaori Tomura

Yasuhito Takaki

Takuya Sakamaki

Yutaka Saito

Takashi Inukai

Hirokazu Hamano

Sakon Takahashi

Toshiyuki Yano

Yasuaki Hashimoto

Takeshi Shoji

Shinpei Takagi

Atsushi Sugitate

Shinya Nakashima

Kazutsuna Sasaki

Yasuhiro Oya

Eiji Kawakami

Yuichi Ariga

Yuji Isshiki

Takeshi Tanabe

Hinako Nakamura

Tsutomu Furuta

Yasuhiro Arima

Yuta Saeki

Keita Nagai

Jun Konishi

Yutaka Mitsunaga

An electrostatic image developing toner includes a toner particle including a binder resin and a release agent. When a cross section of the toner particle is observed, the toner particle satisfies a condition (A1) below: Condition (A1): the toner particle includes one or more domains of the release agent, the one or more domains having a diameter equal to 8% or more and 30% or less of the maximum diameter of the toner particle, the one or more domains having a geometric center at a depth of R/2 or less below the surface of the toner particle, where R represents the distance between the geometric center of the toner particle and the surface of the toner particle, the one or more domains being entirely included in an inside portion of the toner particle which extends below a depth of 50 nm from the surface of the toner particle.

Electrostatic image developing toner, electrostatic image developer, and toner cartridge

An image capture apparatus includes an image sensor that captures a subject image formed via a lens and outputs an image; and at least one processor or circuit configured to function as: a detection unit configured to detect flicker from the image output from the image sensor; and a control unit configured, in a case where, in an image capture time period in which images of a subject are being captured for flicker detection by the image sensor, the lens is driven in accordance with a drive operation that causes a change in an amount of light received by the image sensor, to adjust drive of the lens in the image capture time period.

Image capture apparatus capable of detecting flicker, method of controlling same, and storage medium

An electrostatic image developing toner includes a toner particle including an amorphous resin, a crystalline resin, and a release agent. When a cross section of the toner particle is observed, the toner particle satisfies conditions (A1) and (B1) below: Condition (A1): one or more domains of the crystalline resin, the domains having a diameter equal to 10% or more and 40% or less of the maximum diameter of the toner particle, are present in the toner particle, and Condition (B1): one or more domains of the release agent, the domains having a diameter equal to 10% or more and 40% or less of the maximum diameter of the toner particle, are present in the toner particle.

An electrostatic image developing toner includes a toner particle including a binder resin and a colorant. The net intensity Nof sulfur included in the toner particle and the total net intensity Nof an alkali metal and an alkaline-earth metal included in the toner particle, which are measured by X-ray fluorescence analysis, satisfy 1.0<N/N<22.0.

Electrostatic image developing toner and electrostatic image developer

An electrostatic charge image developing toner includes a toner particle containing a binder resin, a release agent, a divalent metal, and a trivalent metal, in which the release agent has a domain diameter of 0.5 μm or greater and 1.5 μm or less.

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

An electrostatic charge image developing toner includes a toner particle that contains a binder resin having an acid value of 5 mgKOH/g or more and 25 mgKOH/g or less, and a pigment having an isoindoline skeleton, in which a total Net intensity Nof an alkali metal and an alkaline earth metal, which is measured by fluorescent X-ray analysis, in the toner particle is 1.50 kcps or more and 4.00 kcps or less.

Electrostatic charge image developing toner and electrostatic charge image developer

A preparing method of an electrostatic charge image developing toner includes: aggregating at least binder resin particles and release agent particles contained in a dispersion to form aggregated particles; heating and coalescing the aggregated particles to form coalesced particles; and filtering and cleaning the coalesced particles to obtain toner particles, in which before the aggregating or during the aggregating, a polymer dispersant is added to the dispersion in an amount of 0.01% by weight or more and 1.3% by weight or less with respect to a total weight of the obtained toner particles.

Preparing method of electrostatic charge image developing toner and electrostatic charge image developing toner

An electrostatic charge image developing toner includes a toner particle containing a binder resin and a releasing agent, and the following requirement (1) is satisfied in cross section observation of the toner particle: requirement (1): the number of a releasing agent domain having a long diameter of 500 nm or more and 1,000 nm or less is 7 or more on average per toner particle.

Electrostatic charge image developing toner, electrostatic charge image developer, method for producing electrostatic charge image developing toner, toner cartridge, process cartridge, image forming apparatus, and image forming method

A method for producing a toner for developing an electrostatic charge image includes: mixing at least one flocculant into a liquid dispersion containing binder-resin particles by adding the flocculant into the liquid dispersion containing binder-resin particles while circulating the liquid dispersion containing binder-resin particles between a stirring vessel and a disperser that applies a mechanical shear force; forming aggregated particles by heating the liquid dispersion with the flocculant therein after reducing the viscosity of the liquid dispersion; and forming toner particles by heating the liquid dispersion containing the aggregated particles and thereby making the aggregated particles fuse and coalesce.

Method for producing toner for developing electrostatic charge image, toner for developing electrostatic charge image, and electrostatic charge image developer

An electrostatic charge image developing toner includes: a toner particle containing a binder resin; and an external additive including a silica particle having a circularity of more than 0.5 and 0.9 or less and a volume average particle diameter of more than 100 nm and 300 nm or less, in which a total Net intensity Nof an alkali metal element and an alkaline earth metal element in the toner particle measured by fluorescence X-ray analysis is 0.10 kcps or more and 1.20 kcps or less.

Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus

A display device configured to be used in a state of being fixed to a head of a user, includes: a camera; a display configured to display a part of an image captured by the camera as a display range; an orientation detection sensor configured to detect an orientation of the display device; a line-of-sight detection sensor configured to detect a line-of-sight of the user to the display; and a processor configured not to control a position of the display range based on the line-of-sight detected by the line-of-sight detection sensor in a case where a change amount of the orientation detected by the orientation detection sensor is smaller than a predetermined amount, and to control the position of the display range based on the line-of-sight in a case where the change amount of the orientation is larger than the predetermined amount.

Display device

An electrostatic charge image developing toner includes: a toner particle containing a binder resin; and an external additive containing alumina particles having a volume average particle diameter of more than 5 nm and 80 nm or less and silica particles having a volume average particle diameter of 10 nm or more and 90 nm or less, and in the toner particle, a Net intensity Nof a total of an alkali metal element and an alkaline earth metal element, measured by fluorescence X-ray analysis, is 0.10 kcps or more and 1.30 kcps or less, and a ratio (Ws/Wa) of a content Ws of the silica particles to a content Wa of the alumina particles is more than 0.5 and less than 35.

Image capture apparatus capable of suppressing flicker reduction when detecting flicker during live view display, and method of controlling same

An electrostatic image developing toner includes an amorphous polyester resin and a crystalline polyester resin, wherein a Net intensity Nof a Na element and a Net intensity Nof a Cl element, the Net intensities Nand Nbeing determined by X-ray fluorescence analysis, satisfy 2.5&#x2264;N/N&#x2264;260.0.

A toner for developing an electrostatic charge image contains toner particles containing at least one binder resin; the Mg element in an amount such that in an x-ray fluorescence analysis of the toner, the net intensity of the peak for the Mg element is 0.10 kcps or more and 1.20 kcps or less; and at least one external additive including particles of at least one compound represented by formula (1),MTiO&#x2003;&#x2003;(1)where M represents at least one selected from the group consisting of Ca, Sr, and Ba.

Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

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Kanagawa, Japan

Atsushi Sugawara