Canon Kabushiki Kaisha

Canon Denshi Kabushiki Kaisha

Canon Inc.

Nobuaki Date

Hiroshi Aizawa

Masami Shimizu

Masanori Uchidoi

Syuichiro Saito

Yoshitaka Murata

Tokuichi Tsunekawa

Kazuya Hosoe

Akihiko Tojo

Kazunori Urushibara

Hideaki Kawamura

Nobuo Tezuka

Toshihiko Mimura

Hiroyuki Horii

Kan Takaiwa

Seiichi Ozaki

Akio Sunouchi

Yoji Sugiura

Ryoichi Suzuki

Susumu Kozuki

Takashi Suzuki

Yoshiyuki Takishima

Tadashi Ito

Yoshiaki Watanabe

Fumio Ito

Nobuaki Sakurada

Kenichi Nagasawa

Takashi Uchiyama

Yukio Mashimo

Yukio Ogawa

Tadashi Okino

Tomonori Iwashita

Teiji Hashimoto

Tatsuya Taguchi

Junzo Taira

Masayuki A Suzuki

Yasuo Suzuki

Kenichi Sasaki

Yoshikazu Miyajima

Masayoshi Kiuchi

Kazuhiko Matsuoka

Hiroyashu Murakami

Fumio Shimada

Masahiko Chaya

Michio Senuma

Shohei Takeda

Syozo Yoshida

Hiroaki Kakimoto

Suzumu Kozuki

Hiroshi Aisawa

A camera system comprising means for converting an object image into an image signal, recording means for recording the image signal on a recording medium, reproduction means for reproducing the image signal recorded on the recording medium, finder means for displaying the object image and display means for selectively displaying an image corresponding to the image signal to be recorded or an image corresponding to the reproduced image signal. A display portion of the finder means is smaller than that of the display means and the display portion of the display means has a flat plate which can be exposed to an outside of the camera system.

Camera system having converting means, recording means, reproduction means, plate-shaped display and protection means

An optical deflecting-scanning apparatus includes a deflector for deflecting a light beam to scan, a driving device for rotationally driving the deflector, a cover having a cylindrical portion to cover a peripheral surface of the deflector and an annular slit provided in the cylindrical portion of the cover and extending in a circumferential direction of the deflector. The slit opens along the entire circumference of the deflector.

Optical deflecting-scanning apparatus

A digital image recording and/or reproducing apparatus using a plurality of compression methods may include, in a recording section, (a) data compression circuitry, including a plurality of compression circuits which have different compression methods, for changing a compression rate for input digital image data by changing a combination of the plurality of compression circuits compressing the digital input image data and (b) circuitry for recording (1) the digital image data compressed by the data compressing circuit and (2) data representing the compression rate of the digital image data compressed by the data compressing circuit. The apparatus may include a reproducing section having (a) a reproducing circuit for reproducing from the recording medium the digital image data compressed with the compression rate provided by the combination of different compression methods, (b) detecting circuitry for detecting the data representing the predetermined compression rate stored on the recording medium, and (c) reconstruction circuitry for reconstructing the digital image data reproduced by the reproducing circuitry according to the representing data detected by the detecting circuitry.

Digital image recording and/or reproducing apparatus using a plurality of compression methods

A solid-state camera includes a loading detecting unit for detecting loading of a detachable solid-state memory apparatus, a checking unit for checking the loaded solid-state memory apparatus, and a control unit for performing control of each section which includes predetermined display control in accordance with a check result of the checking unit.

Solid-state camera and solid-state memory apparatus

An image pickup device which includes a device for picking up an image of an object and photoelectrically converting the image into an image signal, a photograph indicating device, for indicating a photographing of the object, an exposure amount setting device, for setting an amount of exposure for effecting photoelectric conversion by the image pickup device and an exposure amount control device, for controlling the exposure amount setting device. The device also includes a recording device, for recording the image signal outputted from the image pickup device, a reproducing device, for reproducing the image signal recorded by the recording device, a change-over operating member, for selectively changing over a recording mode effected by the recording device, or a reproducing mode effected by the reproducing device, an image display device, for selectively displaying the image before recording or the reproduced image in a manner visible from outside, and a control device, for effecting control in response to the operation of the change-over operating member to change over the recording mode and the reproducing mode so that in the recording mode the continuous image signal before recording by the recording device, which has been changed by driving of the exposure amount setting device is displayed by the image display device. At least the image pickup device and the image display device are arranged to form a substantially integral construction.

Integral image recording and image playback system

A solid-state memory apparatus including a characteristic code holding device for holding a characteristic code representing characteristics of an internal circuit, a readout device for reading out the characteristic code held in the characteristic code holding device, and an output device for outputting the characteristic code read out by the readout device to an external device.

Solid-sate camera with solid-state memory for holding characteristic

A magnetooptical information recording/reproducing apparatus is provided with a floating slider for supporting a magnetic head for applying a magnetic field modulated according to information to a magnetooptical information recording medium. The floating slider is adapted to be retracted from the recording medium according to the kind of the medium by a retraction device, so that the floating slider is free from damages on the slider or in the medium loaded in the apparatus.

Magnetooptical information recording/reproducing method and apparatus

There is disclosed a memory apparatus equipped with a memory capable of random data storage and readout, plural address generators storing start address of each of blocks defined in the memory, a detector for detecting the image processing method used in the input into or output from the memory, and a switching unit for switching the start address of each block according to the output of the detector.

Detachable memory with starting block address selected in accordance

An optical disk device includes a light source, an objective lens, a box body and a supporting member. The light source is provided so as not to move to the apparatus body. The box body holds the objective lens. The box body is supported movably to the apparatus body in the tracking, focusing and seek directions by the supporting member. Light beam emitted from the light source is guided to the objective lens by the mirror.

Optical disk device including a support member for movably supporting an

An objective lens drive apparatus is used in an optical information recording/reproducing apparatus to conduct recording and reproducing of information by radiating a light spot onto a disk recording medium. The objective lens drive apparatus includes an objective lens, an objective lens holding member for holding the objective lens, and a support member for supporting the objective lens holding member movable in a radial direction of the recording medium. In the objective lens drive apparatus, the support member includes a first plate spring fixed to the drive apparatus at one end thereof and extending in a direction perpendicular to a movement direction of the objective lens holding member away from the objective lens holding member, and a second plate spring fixed to a side of the objective lens holding member at one end thereof and extending in the direction perpendicular to the movement direction of the objective lens holding member to be connected to the first plate spring at the other end thereof.

Objective lens drive apparatus used in optical information

An optical disk device includes a light source, an objective lens, a box body and a supporting member. The light source is provided so as not to move to the apparatus body. The box body holds the objective lens. The box body is supported movably to the apparatus body in the tracking, focusing and seek directions by the supporting member. A light beam emitted from the light source is guided to the objective lens by the mirror.

An optical system for an optical information recording/reproduction apparatus, includes a light source, an objective lens for focusing a light beam from the light source on a recording medium, a beam splitter arranged between the light source and the objective lens, a detector for detecting a light beam split by the beam splitter, a galvano mirror arranged between the objective lens and the beam splitter, the galvano mirror having an opening, and a sensor for receiving the light beam from the light source via the opening.

Optical system for optical information recording/reproducing apparatus

A method and system for providing a display on a device to which a detachable solid state memory devices, which includes a plurality of memory blocks, is attached. The method includes the steps of determining to which of a plurality of broadcasting system standards a detected size of each of the memory blocks in the solid state memory device corresponds, and providing a display on an apparatus to which the solid state memory device is attached, such as an electronic still camera, based on the detected size. In a preferred embodiment, the broadcasting standards are NTSC (National Television Systems Committee) and (Phase Alternation Line). A user is warned when a detected size of each of the memory blocks is not a predetermined size, thus, not the correct broadcasting system standard for the apparatus. Each of the memory blocks stores data corresponding to one picture image.

System and method for indicating whether a block size in a detachable

An image sensing apparats comprises a plurality of image sensing devices, a beam splitter for supplying an image of an object to the plurality of image sensing devices, and a plurality of shutters, each of which is disposed between the beam splitter and a respective one of the plurality of image sensing devices. The shutters are arranged to travel in the same direction relative to the image of an object formed on each of the plurality of image sensing devices and a detector is provided for detecting that all of the plurality of shutters means are in a full open state.

Image sensing apparatus

An exposure device with a shutter operating in such a manner that the size of aperture opening defined by the shutter blades first increases from zero and then starts to decrease in predetermined timing, comprises a mechanism for opening the shutter with the help of an electric motor, while charging a spring as the drive source for closing movement of the shutter, an electromagnet arranged upon current supply to change the driving of the shutter from the opening mechanism to the spring, and a control circuit for controlling the operation of the shutter in such a manner that when taking one picture, the shutter blades reciprocate two times continuously to recycle substantially twice the exposure operation, as the operation of each of the motor and the electromagnet is recycled twice.

Exposure device having an actuatable shutter release

Growing community of inventors

Kawasaki, Japan

Nobuaki Date