A master cylinder for a brake system in which two pistons positioned in a single bore act on fluid in two pressurizing chambers. The piston return springs in the chambers are preloaded to position the pistons against a piston stop when the master cylinder is released. The spring having the heavier preload is provided with a caging mechanism which limits its extention and thereby establishes the precise distance between the pistons when the master cylinder is in the release position. The caging m...

A measurement calculator for storing and calculating measurement data comprising computer circuitry having central processing unit circuitry adapted for controlling the status of operations of the computer circuitry and manipulating measurement data therein; memory circuitry having a plurality of memory cells adapted for storing instructions and measurement data for use by the central processing unit circuitry with the measurement data accessed by a user with labels denoted by a plurality of alp...

An extension to existent vector instruction sets is presented in a form of new vector instructions which perform operations specialized for efficient digital video compression and decompression. A processor is designed to implement the arithmetic operation of each of these instructions in a single clock cycle, and some of the present instructions perform arithmetic operations selectively and directly on elements of the same registers.

An arithmetic operation processing unit provided with an external program memory storing a high speed instruction group for executing a specific routine of arithmetic operations which require high speed execution is shown. The arithmetic operation processing unit comprises a start address register for holding a starting address of the specific routine of arithmetic operations and an end address register for holding an end address of the specific routine of arithmetic operations, an FIFO type RAM...

Method of measurement of the total length of a yarn formed winding material (3) running onto a wound package (1), in particular a yarn web running onto the winding beam of a winding machine. During continuous winding operation, the length is ascertained by means of a measuring roll (2) over which the material to be wound (3) is guided. During acceleration and braking procedures, slippage occurs between the material to be wound (3) and the measuring roll (2). On occurrence of slippage, the system...

An electronic apparatus for automatically detecting the length of network transmission lines. The electronic apparatus essentially comprises a detection device, an analog/digital (A/D) converter, a microprocessor, a frequency compensator and a transmission network line, such as an RJ-45 network transmission line. The electronic apparatus utilizes the detection device to detect a frequency response of the reference signal for generating detection signals and converts the detection signals into di...

A device for the electric monitoring of the level of a liquid contained in a container, comprising at least one temperaturedependent resistance sensor immersed in the liquid the level of which is to be monitored, a constant current source being connectable to the resistance sensor under the control of a program control device controlling a device for detecting and storing the initial voltage drop on the resistance sensor at an initial time and the measurement voltage at a specified time after co...

A portable hand-held electronic calculator for performing feet, inch, and fraction calculations and for displaying numerical results in feet, inches, and fractions of inches. Values for feet, inches, and fractions of inches can be entered directly without first changing the numbers into a decimal format and complex calculations, such as multiplication, division, addition, subtraction, squares and square roots can be performed directly. A specialized sequential display allows the user to manually...

A system is described for automatically monitoring lengths and thicknesses of strip metal stock being fed to a metal processing machine, e.g. a power press. The system comprises: (a) measuring wheel and transducer adapted to generate electrical signals proportional to the actual length of advancement of the stock, (b) a linear vertical differential transformer probe adapted to generate electrical signals proportional to the actual thickness of the strip stock fed, and (c) a programmable memory b...

A display device for a camera uses at least two display elements to display visual information such as focus information. Signals are produced, the relative phases of which indicate in-focus or out of focus conditions.