摘要:
The present block copolymer contains a structural unit (A) derived from a compound represented by the general formula (I): CH.sub.2 .dbd.CR.sub.1 COOR.sub.2 R.sub.f, and also contains a structural unit (B) consisting of a polymer moiety represented by at least one of the structural formulae (III) and (IV) and another polymer moiety derived from a compound represented by the general formula (II): CH.sub.2 .dbd.CR.sub.3 R.sub.4. For preparing the above block copolymer, a block copolymer consisting of the structural unit (A) derived from a compound represented by the general formula (I): CH.sub.2 .dbd.CR.sub.1 COOR.sub.2 R.sub.f and the structural unit (B1) derived from a compound represented by the general formula (II): CH.sub.2 .dbd.CR.sub.3 R.sub.4 and a compound represented by the general formula (V): CH.dbd.CR.sub.6 COO(R.sub.9).sub.t H are reacted with a compound represented by the general formula (VI): R.sub.10 COCl to allow a dehydrochlorination reaction to take place. Thus, an unsaturated group and fluorine containing block copolymer having excellent water and oil repellent properties and excellent sensitivity to activation energy rays can be prepared. The block copolymer is utilized as a surface modifier for activation energy-curing resins.
摘要:
A rear wheel is provided with a steering characteristic such that a vehicle runs on a cornering path with a longitudinal center line of the vehicle substantially aligned with a tangential line of the cornering path throughout cornering movement. A fail judge device is provided for judging when a rear wheel steering device failure is present in light of a criterion based on a rear wheel steering. A criterion change device is also provided for changing the criterion between a transitional cornering condition, in which the vehicle is in an initial stage of a cornering movement just after a steering operation and before a cornering force acting on the vehicle body reaches a substantial value, and a steady cornering condition, in which the cornering force has reached the substantial value. A reverse phase control can be properly performed without failure judgment. This assures that a desirable driving feeling is provided for the driver when cornering as well as improved safety.
摘要:
In an image processing apparatus worth multiple functions, there is provided a method of controlling the function of a peripheral equipment, such as for image filing, facsimile an image printing function, by the control unit of the image processing apparatus. The control program and display data, relating to the image processing function of such peripheral equipment are transferred to, and stored in the composite image processing apparatus, and in response to the selection of such image processing function, the control of the operation unit of the apparatus is switched to a control mode based on the transferred program and display data.
摘要:
There is an image processing apparatus to obtain a desired processed image by performing a predetermined image process to an input image. This apparatus comprises: an image input unit to input the image data; an image processor which can perform different image processes; a selector to select the kind of image process to be executed by the image processor; a memory to store different sample processed images which were subjected to the image processes; and a display to display both a sample image before execution of the image process and the sample processed image corresponding to the selected image process from the memory in accordance with selection by the selector. The image processor can perform the edge extracting process, mosaic process, and the like. With this apparatus, the operator can easily obtain various sample processed images and can extend the processed image of the original image by merely inputting a processing command.
摘要:
An automatic focusing apparatus for use with a camera of the type having two interchangeable lenses with different focal lengths, incudes a ranging device for finding in which distance range is located an object to be photographed, i.e., close range or long range. The ranging device is capable of shifting the position of the boundary between short range and long range when interchanging lenses in order to widen the limits of the range in which either of the lenses can be focused better.
摘要:
A light metering device for single lens reflex camera having photoelectric transducer elements arranged in the optical path of a finder thereof. The photoelectric transducer elements are arranged ahead of a focusing screen as viewed from the direction of finder light, and an area corresponding to a clear portion of the focusing screen is made either to have a photoelectric transducer structure of narrower width than in the environmental area, or to be light-metered by another or separate light metering optical system.
摘要:
A system for detecting the focus of an imaging lens relative to an object includes re-imaging means disposed on the imaging side of the imaging lens and having pupil dividing means for dividing the pupil of the imaging lens into a plurality of areas, the re-imaging means forming a secondary object image of the object from a light beam passed through the plurality of divided areas, an optical system disposed near the predetermined imaging plane of the imaging lens and having a reflecting surface for directing a primary object image of the object to the re-imaging means, and light-receiving means on which the secondary object image by the re-imaging means is formed.
摘要:
A blur detecting device for a camera comprises a CCD line sensor which is arranged in a position optically equivalent to the surface of the film to produce image signals at different points of time set in response to pushing a shutter button; and a signal processing circuit which computes the degree of a blur which occurred in the image between the different points of time by obtaining the degree of correlation between the image signals.
摘要:
An exposure control device for use with a camera provided with two objective lenses having different focal lengths which are selectively used includes two exposure control elements which are disposed in front of and facing the two objective lenses, respectively, and simultaneously driven by a common drive. The light passed through the respective exposure control elements which is selected by an optical path changer is allowed to reach a film. The exposure control elements are diaphragms which allow the admission of light to the objective lenses. A pivotal arm has at least one pin at at least one end that engages in a slot in each of the diaphragms. Another end of the arm carries an armature that can be moved by at least one electromagnet and that is urged toward an intermediate position by a spring.
摘要:
A photographic camera having a configuration like a thin box comprises a camera body and a handle grip. When the camera is used, the camera body is rotated relative to the handle grip through an angle of about 90.degree. to be transverse to the handle grip. When not in use, the handle grip is aligned with the camera body. The handle grip is hollow to receive the camera body therein; and a support housing slidable and permanently disposed in the handle grip is rotatably secured to the camera body.