Matches 1 - 34 out of 34


Match Document Document Title
6720946 Display device and interface circuit for the display device  
The present invention is directed to a display device such as a liquid crystal display including: a horizontal clock counter and a vertical clock counter which count each clock signal every...
6384866 Horizontal display positioning circuit for CRT-type display device  
A horizontal display positioning circuit for a CRT-type display device includes a microcomputer, a horizontal deflection circuit, and a horizontal positioning control circuit configured between the...
6366327 Vertical sync detection and output for video decoder  
A technique for detecting three modes of video input signal and outputting a vertical sync signal based on the input signal. In a first mode, a standard video signal is received and a line counter...
6124850 Display mode selection method and display unit controller  
A display mode selection method for selecting one display mode with respect to an input display signal from a table which defines a horizontal scanning frequency, a vertical scanning frequency and...
5999222 Digital vertical sync separator  
An improved high-performance vertical sync separator which can reliably operate during high frequency and non-standard video signal conditions and that utilizes a device-independent methodology....
5963268 Semi-wide view display method and device using the same  
A semi-wide view display method and device using the same are provided with a semi-wide view function for arbitrarily converting an aspect ratio of a screen in a television. The method includes the...
5917551 Synchronization stabilizing circuit and television signal receiver  
In a synchronization stabilizing circuit and a television signal receiver, the follow-up range (TX) of the synchronizing signal (SH) is changed based on the judged result (J1) that it is judged...
5790200 Horizontal synchronization signal stabilization method and apparatus  
An arrangement for stabilizing a horizontal synchronization signal, serving as an input signal for a phase-locked loop (PLL) for generating a clock signal, by separating the horizontal...
5686968 Synchronizing signal generation circuit  
The present invention relates to a synchronizing signal generation circuit equipped with a PLL circuit. A pulse signal having a time constant that is broader than the clock width of a horizontal...
5596372 Video signal data and composite synchronization extraction circuit for on-screen display  
A composite synchronization extraction circuit is particularly suited for receiving composite video signals containing closed captioning data in raster scan line 21 by means of a signal CMOS...
5060066 Integrating-phase lock method and circuit for synchronizing overlay displays on cathode-ray-tube monitors of digital graphic information and video image information and the like  
A novel separate synchronizing error signal integrating filter section and error signal phase lock loop section independently controllable for such purposes as controlling the horizontal...
5019907 Pulse generating circuit  
Horizontal synchronizing signals included in a video signal are inputted to a PLL circuit. A counter as a divider in the PLL circuit outputs signals which are synchronized with the horizontal...
4992872 Method of synchronizing the horizontal deflection of electron beams in television receivers  
A process for synchronizing horizontal deflection of electron beams in television recievers having a reproduced picture with a visible component, when no transmission signals from a television...
4949178 Coincidence circuit in a line synchronizing circuit arrangement  
A coincidence circuit in a line synchronizing circuit arrangement for a picture display device. The coincidence circuit detects a coincidence state of an incoming line synchronizing signal which...
4860102 Circuitry for automatically switching the control speed of a phase-control circuit  
1. Circuitry for automatically switching the control speed of a phase-control circuit.2.1. The switching is, especially in conjunction with different signal sources employed with a television...
4809068 Clock signal generating circuit for television receiver  
A clock signal generating circuit for a television receiver, which generates a composite synchronizing signal and a masking signal for controlling the operation of the circuit, the composite...
4764810 Horizontal phase locked loop system  
A horizontal phase locked loop includes a horizontal phase detector having a current source transistor with a pair of resistors connected across its base-emitter circuit. A switching transistor,...
4709268 Automatic frequency pulling circuit  
An automatic frequency pulling circuit produces a signal in synchronism with a horizontal synchronizing signal from a video signal processing device or the like. The automatic frequency pulling...
4660080 Synchronization circuit responsive to time-multiplexed signals  
A phase-lock loop circuit of a television apparatus is synchronized by a horizontal synchronizing input signal. The phase-lock loop circuit includes a frequency-to-voltage converter that is...
4647970 Sync signal reproducing circuit in television receivers  
A sync signal reproducing circuit for television receivers. The circuit comprises; a composite sync signal source for supplying a composite sync signal, a voltage controlled oscillator, a first...
4425576 Picture stabilizing circuit in color television receiver  
A picture stabilizing circuit in a color television receiver decodes a count value in a counter comprising a vertical synchronizing circuit of a pulse count system for generating an...
4266245 Differential amplifier current repeater  
A differential amplifier is provided, including first and second emitter coupled transistors responsive to an input signal applied to one of their base electrodes, and a current source transistor...
4253116 Television synchronizing system operable from nonstandard signals  
A synchronizing signal for a television camera includes a count-down system by which standard horizontal and vertical synchronizing signals are generated and added to the video signals being...
4251833 Television horizontal AFPC with phase detector driven at twice the horizontal frequency  
A television phase-lock (AFPC) loop is used to maintain a horizontal oscillator in synchronism with horizontal synchronizing signals in the presence of noise. The AFPC loop includes a phase...
4250525 Television horizontal AFPC with phase detector driven at twice the horizontal frequency  
An AFPC loop for TV horizontal oscillator suitable for use with sync signals subject to timing instability includes means for maintaining a long response time during the equalizing and vertical...
4228463 Switched AFPC loop filter with offset voltage cancellation  
A television horizontal AFPC loop includes a filter, the time constant of which can be switched at the vertical rate for improved operation from standard broadcast signals and from video tape...
4144545 Television horizontal oscillator frequency control arrangement for use with a tape recorder  
A television horizontal oscillator for use with a video source having a step change in the phase of the horizontal synchronizing pulses occurring at the vertical rate uses a phase-lock loop...
4093963 Horizontal AFC circuit in a television receiver usable with a video signal recording and reproducing apparatus  
A horizontal AFC circuit comprising a phase detector circuit supplied with a horizontal synchronizing signal separated from a television video signal and with a comparison signal and carrying out...
3991270 Circuit arrangement for line synchronization in a television receiver  
A line synchronizing circuit including a gated phase discriminator. Because the circuit may lock in to an equalizing pulse, which may give rise to a vertically divided image, gating is rendered...
3937876 Picture display apparatus including a line phase discriminator for generating a control voltage  
A circuit arrangement in a picture display apparatus including an integrator having a time constant which is of the same order as one field period and which integrates the control voltage generated...
3873766 AUTOMATIC HORIZONTAL FREQUENCY CONTROL CIRCUITS FOR TELEVISION RECEIVERS  
An automatic horizontal frequency control circuit for a television receiver suitable for monitoring an image of a video signal reproduced by a video tape recorder, in which a horizontal oscillator...
3846584 HORIZONTAL AUTOMATIC FREQUENCY CONTROL CIRCUIT  
A horizontal automatic frequency control circuit comprising a synchronizing signal separating circuit, a horizontal oscillation circuit, a horizontal deflection circuit, a phase sensitive detector...
3472962 SYNCHRONIZATION SYSTEM FOR TELEVISION SIGNALS WITH AUXILIARY INFORMATION TRANSMITTED DURING THE VERTICAL BLANKING INTERVAL  
3469032 SYNCHRONIZING SYSTEM FOR TELEVISION RECEIVERS  
Matches 1 - 34 out of 34