Matches 1 - 35 out of 35


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6690210 Transmitting device  
A transmitting device generates a modulation signal depending on data to be transmitted. The transmitting device includes a transmission frequency generation device that is controlled depending on...
6566907 Unclocked digital sequencer circuit with flexibly ordered output signal edges  
An unclocked, digital sequencer circuit having flexibly ordered leading and trailing edges on the output signals. The sequencer circuit of the invention includes a dual-input latch that detects...
6225832 Signal regeneration circuit  
The signal regeneration circuit recovers a digital signal from an input signal that is supplied via metallic isolation (galvanic separation). The circuit has two input terminals for the input...
5519343 Two channel direct digital synthesizer with waveform memory interleaving circuit  
A two channel direct digital synthesis circuit employing a waveform interleaving circuit is provided. A clock having first and second states controls the overall operation of the memory interleave...
4698528 Edge detection using dual trans-impedance amplifier  
A current pulse signal, which is generated by an optical detector, is fed to an input of an edge detector circuit. The current pulse signal is converted into a differentiated voltage pulse signal...
4583008 Retriggerable edge detector for edge-actuated internally clocked parts  
A retriggerable edge detector is provided having a means for receiving digital input signals, at least two signal transmitting paths connected to that signal receiving means, one of which paths...
4543530 Methods of and means for determining the time-center of pulses  
A pulse position detector responding to the leading and trailing edges of a pulse at a point where it crosses a threshold level. Responsive to the leading edge, a capacitor begins to charge with a...
4468705 Data transition enhancement  
A data enhancement circuit for a facsimile receiver is provided. The circuit includes positive and negative slope detectors as well as a signal threshold detector. Incoming signals above the signal...
4403193 Pulse detection circuit  
A pulse detection circuit, for detecting pulses contained in output signals derived from an encoder such as rotary encoder which converts any physical quantity like spatial position, displacement...
4388582 Apparatus and method for charging batteries  
A method and apparatus are presented for charging batteries at a high rate without damaging or reducing the life of the battery. The method comprises monitoring the level of energy stored in the...
4337434 Compensator for slowly responding sensors  
A signal compensating network for use with a sensing element having different rates of response for increasing or decreasing sensed quantities includes a differentiating amplifier having different...
4295057 Dual signal control system  
An electronic control circuit is provided which operates on selected characteristics of oppositely phased control signals. A logic arrangement sorts out those signal portions having the selected...
4245192 Periodicity verification circuit  
A circuit for high speed testing of the periodicity of an alternating signal (60) independently of signal amplitude. A bistable multivibrator (128) changes state in response to each positive slope...
4137493 Battery charge detector and charging system including such detector  
A detector, intended particularly for detecting end of charge of a secondary battery under constant current charge, includes a linear input stage producing an output voltage linearly related to the...
4135161 Method and means for pulse detection  
An improved method and means for pulse detection comprising a pair of comparators with different predetermined reference signals to one of which the input pulse is applied and to the other of which...
4132947 Waveshape detector  
Circuitry is described for detecting a waveshape having a change of slope, such as the optical signal wave from a nuclear explosion. The wave is amplitude-sampled at a rate determined by a variable...
4118661 Electrical circuit arrangements particularly though not exclusively for electrical battery charging systems  
The system described is for controlling the "rapid" charging of electric batteries whose voltage-time profile exhibits a peak at or about the point when it is fully charged, and is arranged to...
4079323 Method and apparatus for coupling a moving-object sensor to direction-sensitive data utilization apparatus  
An interface logic circuit for supplying direction of passage data to a data utilization apparatus from a moving-object sensor which generates three recognition signals indicative of intrusion of...
3958132 Slope change detector  
A slope change detector circuit uses a differential amplifier to produce an output signal having two levels, the change of one to the other of which is indicative of a slope change in an input...
3942037 MOS edge sensing circuit  
An edge sensing circuit is implemented using MOS logic gates. The edge sense circuit detects either a positive transition or a negative transition of a first input signal, depending on the logic...
3824577 ACCELERATION AND DECELERATION SENSING AND INDICATING SYSTEM FOR BOATS AND THE LIKE VESSELS  
An acceleration and deceleration sensing and indicating system is provided to indicate changes in speed of a boat and the like vessel. Acceleration and deceleration of the boat are sensed and...
3761907 WARNING SIGNAL MULTIPLEXER CIRCUIT  
A multiplexer circuit monitors the state of several input signals and provides output control signals indicative of any change of state of the input signals. Input terminals are coupled to apply...
3737788 SLOPE RESPONSIVE SIGNAL IDENTIFICATION MEANS  
A slope responsive signal identification means which is excited by at least one input signal. The system has a circuit for quantizing the input signal, which quantizer provides a binary output....
3711779 APPARATUS FOR DETERMINING AND CHARACTERIZING THE SLOPES OF TIME-VARYING SIGNALS  
At discrete time intervals, a clocked switch stores successive samples of a signal, whose slope is to be determined, across a capacitor. Amplifying means measure the capacitor charging current that...
3678296 ELECTRICAL SIGNAL SLOPE POLARITY CHANGE DETECTOR  
An electrical signal slope polarity change detector. A circuit for detecting changes in slope polarity of an electrical input signal and for providing an output indication of each slope polarity...
3659209 SLOPE POLARITY DETECTOR CIRCUIT  
An electrical circuit for determining the polarity of the slope of an analog type voltage waveform includes a voltage comparator and time delay network providing a time delay of less than 0.05...
3622758 ARTICLE LABELING AND IDENTIFICATION SYSTEM  
Binary coded designator labels are affixed to articles to identify them. The articles are optically scanned to detect the binary codes on the labels and the binary codes are decoded to provide...
3594585 PULSE RECOGNITION CIRCUIT  
The disclosure describes a circuit capable of recognizing a succession of changes in an electrical signal and of discriminating against signals having amplitude, duration or fall times which lie...
3576448 CIRCUIT PRODUCING OUTPUT PULSE OF POLARITY DEPENDENT ON RELATIVE TIMES OF OCCURENCE OF INPUT PULSES  
A capacitor, a normally closed switch connected between one terminal of the capacitor and ground, and a charging source coupled between the other terminal of the capacitor and ground. The polarity...
3546601 NEURONAL EVENT RECOGNIZER  
3359431 Apparatus responsive to the occurrence of a stationary value in the magnitude of an electrical potential  
3274500 Apparatus to measure the period of an input signal  
3094666 Quadrature axis-crossing counter  
3026482 Detector for recognizing either of two signals, each consisting of individual cyclicfrequency deviation of a carrier  
2996676 Control apparatus with pulse output when slope is zero in predetermined sense  
Matches 1 - 35 out of 35