Abstract: A blur suppressing apparatus includes a blur suppressing device movable in an optical path, for suppressing a blur of an image transmitted along the optical path. A mechanical lock is provided for mechanically locking the blur suppressing device, and an electrical lock is also provided for electrically locking the blur suppressing device. An operation device is provided for operating the mechanical lock and the electrical lock. A control device causes the electrical lock to at least be activated or released independently from the mechanical lock in accordance with the operational state of the operation device.

Abstract: An image pickup apparatus includes an image pickup device for photoelectrically converting an object image and generating an image pickup signal, a memory for storing the image pickup signal generated from the image pickup device, a switching circuit for switching an output of the image pickup device and an output of the memory, a vibration detecting sensor for detecting a vibration of the apparatus main body and a control circuit for controlling the switching circuit on the basis of an output of the vibration detecting sensor, for outputting the image pickup signal generated from the image pickup device in the case that the vibration detected by the vibration detecting sensor is less than a predetermined value, and for outputting the image signal stored in the memory in the case that the vibration detected by the vibration detecting sensor is equal to or larger than the predetermined value.

Abstract: An automatic image stabilization device which is arranged to detect image movement information from a sensed image signal produced from an image sensor and to reduce the image movement comprises a movement detecting circuit which obtains movement vector information for each of a plurality of parts of an image plane, and a weight setting circuit arranged to attach weight to each movement vector information and to vary the weighting degree according to photographing conditions. A camera using this device is arranged to correct the shaking of the camera on the basis of the result of a computing operation performed on a camera shake detected from the signal produced from the image sensor together with a camera shake physically detected by means of an accelerometer.

Abstract: An image pickup apparatus comprises a memory to store an image signal generated from an image pickup device; a switching circuit to switch an output of the image pickup device and an output of the memory; a vibration sensor to detect the vibration of the apparatus main body; and a control circuit to allow the fetch of the image signal generated from the image pickup device into the memory when the vibration detected by the vibration sensor is equal to or less than a predetermined value.

Abstract: An image-blur preventing apparatus includes an image-blur correcting device that is driven in accordance with a subject distance to compensate for the location of an image-blur correcting optical device being located at a position different from a rotational center of the apparatus corresponding to rotational displacement due to a hand shake. The rotational center can be specified at a constant point, and a simple relationship between the needed correction and the subject distance can be established, thereby enabling image-blur prevention.

Abstract: An image stabilizing apparatus for correcting a blur of image by using correcting optical means supported in a manner capable of relative displacement in relation to the lens-barrel is adapted to include: detection means for detecting the state of the relative displacement of the correcting optical means in relation to the lens-barrel; amplifier means for amplifying the output of the detection means at an amplification degree corresponding to the state of the relative displacement of the correcting optical means in relation to the lens-barrel; and judging means for judging the state of the relative displacement of the correcting optical system in relation to the lens-barrel in response to the output of the amplifier means.

Abstract: An image stabilization apparatus of an inertial pendulum type corrects vibration of an image by a correcting optical device relatively displaceable with respect to a barrel. The apparatus includes a restriction device for generating an operational effect which changes according to a position of the correcting optical device for restricting the relative displacement of the correcting optical device, and a controller for changing the effect of the restriction device in accordance with a focal length or a direction of displacement of the correcting optical device.

Abstract: An image stabilizing apparatus which compensates image blurring by means of a compensatory optical system displaceably supported relative to a barrel comprises an electrical locking device for electrically locking the compensatory optical system relative to the barrel, a mechanical locking device for mechanically locking the compensatory optical system relative to the barrel, and a control device for activating the electrical locking device prior to the activation or releasing of the mechanical locking device.

Abstract: A camera system having an image blur correcting function includes: a lens unit with a correcting optical system for correcting blur of images, a position sensor for detecting a moving position of the correcting optical system, a restricting unit for generating a driving force of restricting a displacement of the correcting optical system on the basis of an output of the position sensor, a fixing unit for temporarily fixing the correcting optical system, and a lens side communication circuit for exchanging data with a camera body; and a camera body including a camera side communication circuit for exchanging data with the lens side communication circuit, and an operation control circuit for outputting to the camera side communication circuit an operation control signal which controls the operation of the restriction unit and that of the fixing unit in accordance with the operation mode of the camera.

Abstract: An automatic image stabilization device which is arranged to detect image movement information from a sensed image signal produced from an image sensor and to reduce the image movement comprises a movement detecting circuit which obtains movement vector information for each of a plurality of parts of an image plane, and a weight setting circuit arranged to attach weight to each movement vector information and to vary the weighting degree according to photographing conditions. A camera using this device is arranged to correct the shaking of the camera on the basis of the result of a computing operation performed on a camera shake detected from the signal produced from the image sensor together with a camera shake physically detected by means of an accelerometer.

Abstract: An image-stabilized optical device comprising, from front to rear, a first lens group of negative power, a second lens group of positive power and a rear lens group of positive power for forming an image, wherein the second lens group rotates around a point which is on the optical axis away from its rear principal point rearward by a distance of about .beta.2.multidot.f1/(1-.beta.2) where .beta.2 is the image magnification of the second lens group and f1 is the focal length of the first lens group, and lies within the rear lens group, whereby the image is stabilized against accidental vibrations.