It is decided whether or not image data are in memory section 21. In the case where image data that had been stored has been already erased, when erasing button 5 is pushed, the image data of scanner 1 is changed. Thus, it is possible to erase the image data and change the image mode of scanner 1 with one button, i.e. erasing button 7.

A scanner for the acquisition of optical information, in particular bar codes, is proposed, which has a laser device (3), a receiving device (23), which detects laser light (25) reflected from the surface, carrying the optical information, of the object (13), and a measuring device (27), which emits a control signal corresponding to the distance from the object (13). The scanner (1) is distinguished by the fact that the laser device (3) has a single laser light source (37), and that a focusing d...

A scanner is provided which can read information of the whole face of a transmission type reading object by using only a linear-illumination light source for illuminating a reflection type reading object. The scanner has: conveying mechanisms which convey the reflection type reading object and the transmission type reading object between a body case and a cover case in a predetermined direction; an illumination system which is disposed in the body case, which emits the illumination light toward ...

The invention relates to a scanner, wherein a position of a moveable part of the scanner is adjusted by inputting a command variable which changes repeatedly in the same manner. A command signal corresponding to the command variable is supplied to a controller (3), the controller (3) being constructed for correcting a setpoint deviation in the presence of a command variable which is constant in time. A control error of the controller (3) which arises from the change in the command variable is co...

A scanner for providing a possibility of detecting a surface relief of an object includes a projector configured to guide a light beam in an illumination line over the surface relief to obtain an illuminated location on the surface relief, the projector being further configured to output a projection signal from which a position of the light beam in the illumination line is derivable. Additionally, the scanner includes a collector having a collector micro mirror stimulatable to oscillate in two ...

A scanner system having an image scanner and a control device for controlling the image scanner. The control device has a scanner driver installed thereinto. The operator can carry out entering for setting a reading size and a direction of an original on the operation screen of the scanner driver. The control device designates a reading area of the original based on the inputs of the reading size and the direction of the original and outputs a scanning execution instruction to the image scanner.

A scanner system having an image scanner and a control device for controlling the image scanner. The control device has a scanner driver installed thereinto. The operator can carry out entering for setting a reading size and a direction of an original on the operation screen of the scanner driver. The control device designates a reading area of the original based on the inputs of the reading size and the direction of the original and outputs a scanning execution instruction to the image scanner.

An ultrasonic scanner for producing a sector scan in an object to be examined in which one or more ultrasonic transducers traverse an arcuate path with respect to a reflector which is positioned to receive the ultrasonic waves scanning the surface of the reflector from each of the transducers and converge such waves at a point of a preselected distance in front of the reflector. In general, the ultrasonic waves are converged at a point outside the scanner and inside the object to produce a secto...

An electro-optical picture signal processing system, wherein an optical image is converted into time sequential electrical picture signals, or, conversely, time sequential electrical picture signals into an optical image or an electrostatic latent image, is provided with an electron emission plane arranged in one-dimension, a control electrode positioned face to face with said plane to control the passing of electrons from the electron emission plane, a secondary-electron multiplying device yiel...

Optical scanner with a light beam reciprocated parallel to itself includes a stationary inlet for the light beam, an elongated first prism having a parallelogram shape disposed downstream from the stationary inlet in travel direction of the light beam, the first prism extending transversely to the light beam and having an inlet end through which the light beam is admitted to the first prism and twice reflected therein, the first prism having an outlet end from which the light beam leaves the fir...