摘要:
The facsimile machine comprises a processor (10), means (20) for connectiono a telephone line (8), means (20) for connection to a main telephone (7), a ring detector (21), a module (17) for recognition of the nature of incoming calls, and a printer (14). It comprises means (23'; 26) for direct connection to at least one terminal (2; 3) and means (20; 25) for connection of the terminal (2; 3) to the telephone line (8), and it is adapted, in case of connection between the terminal and the telephone line, to note events on the line and therefore recognize their nature, and thus to switch the line (8) to the facsimile machine or the terminal (2; 3) as a function of the nature of the events. The terminal may be a videotex terminal (2) or an answering/recording machine (3). These two terminals may both be connected to the facsimile machine.
摘要:
The device comprises a thin layer (10) of liquid crystals disposed between a plane backing electrode and control electrodes each co-operating with the backing electrode to define a capacitor and a picture element such that each pixel corresponds to a row and to a column, each control electrode being connected to a control element such as a thin-film transistor enabling it either to be raised to the potential of a conductor which is common to all of the pixels in the column to which it belongs, or else to isolate it therefrom and cause it to take up a floating potential. The backing electrode is made up of two fractions (20.sub.1, 20.sub.2) provided with means enabling, them to be taken to different potentials that are inverted on each frame or multiple of the frame frequency, and in which successive columns (or successive groups of a few columns each) of control-electrodes co-operate with different ones of the fractions.
摘要:
A variable reluctance absolute angular position sensor, having at least one stator detector (2). The dector includes: at least one stationary magnetic circuit (4, 4', 4") of ferromagnetic material provided with a length of annular housing (5, 5', 5"), and extending over an angular sector .alpha.; and at least one annular winding (6) housed in part in the annular housing; and at least one rotor unit (3) comprising at least one annular segment (7) of ferromagnetic material extending over an angular sector .beta. of no more than 360.degree.-.alpha., and situated facing the winding (6) and being rotated coaxially with the winding (6) while facing the winding in such a manner that magnetic flux passes radially between the stator detector (2) and the rotor unit (3).
摘要:
A mirror device for providing an image of a remote object, suitable for use in a multi-spectral collimator, comprises a primary concave mirror whose surface is an off-axis portion of a paraboloid having a rotational symetry about an axis, and a secondary concave mirror whose surface is an off-axis portion of a hyperboloid, one focus of which coincides with the focus of the paraboloid. The mirrors have sizes of the same order of magnitude. The primary mirror is so located that a light beam received by it and having a mean ray parallel to the axis of the paraboloid is unobscured by the secondary mirror. The radii of curvatures of the two mirrors at locations along their respective axes do not differ by more than 10%.
摘要:
In a process for interconnecting microprocessors, a master microprocessor (1) transmits a character. All the slave microprocessors receive it in a register (4). If processing is in progress in the slave (2) for which it is intended, the character is masked until the processing is finished. After the processing, the slave microprocessor (2) recognizes it, removes it from the register (4) and loads this latter with an echo intended for the master microprocessor (1), allowing it to transmit a new character.
摘要:
Spacing device for magnetic recording and/or reading head-holder pads, characterized in that it comprises, for each pad, an inner fixed spacing ramp, namely situated not far from the rotary axle of the discs, this ramp being inclined with respect to the surface of the latter, and at the end of a support arm, a sliding part adapted to cooperate with said ramp and to space said pad from the surface of the disc concerned when, by actuation of the drive means, said support arm is moved radially towards said axle.
摘要:
System constituted by a reading and/or writing apparatus and a removable sette for the latter, provided respectively with two couplable connector elements. The apparatus is equipped with a fixed guide member and a drive member mounted on a movable lever and both members are adapted to cooperate with a trough of the cassette to ensure rectilinear driving of the latter and correct cooperation of the two connector elements during the positioning or the extraction of the cassette.
摘要:
A gyroscopic navigational installation for land and sea vehicles for provng characteristics of the trajectory of the vehicle. The installation in one embodiment includes a gimbal mounted on the vehicle and pivotable about an axis. A first gyro is rotatably supported by the gimbal about a rotational axis such that a gyro azimuth sensitivity axis is orthogonal to the longitudinal axis of the vehicle and a gyro rolling sensitivity axis is parallel to the vehicle longitudinal axis. A controlled accelerometer is supported by the gimbal such that an accelerometer pitching sensitivity axis is parallel to the vehicle longitudinal axis and an accelerometer rolling sensitivity axis is parallel to the gyro rotational axis. In an installation according to another embodiment, a second gyro is mounted on the gimbal such that a pitching sensitivity axis thereof is parallel to the rotational axis of the first gyro.
摘要:
A pendulous accelerometer comprises a stator defining a cavity having two nfronting surfaces which constitute two electrodes.It also comprises a pendulum consisting of a disc connected to the stator by a hinge. A servo-circuit applies DC forces to the capacitors, each comprising a surface of the cavity and the confronting electrically conductor surface of the pendulum for creating an electrostatic torque which balances the acceleration torque.
摘要:
An apparatus for the treatment of at least one surface of an article conted therein is disclosed. The treatment apparatus comprises a treatment enclosure which includes at least one inlet lock-chamber and at least one outlet lock-chamber with an article transport device extending therebetween. The treatment enclosure includes a solvent dispenser which is positioned with an outlet thereof adjacent the article transport device. Included within the apparatus is a vapor extractor for extracting air-solvent vapors from the treatment enclosure. The vapors extracted from the treatment enclosure are directed through a condenser positioned between the inlet lock-chamber and the outlet lock-chamber. Recycling ducts, communicating with the treatment enclosure and the vapor extractor, are also provided for recycling air, from which the solvent vapors have been substantially removed, toward the inlet of the inlet lock-chamber and the outlet of the outlet lock-chamber.