1
John B George, William J Testin: Tuning mode arrangement useful for restricting channel selection to certain channels. RCA Corporation, E M Whitacre, P J Rasmussen, P M Emanuel, October 19, 1982: US04355415 (270 worldwide citation)

A television tuning system includes a memory for storing tuning information with first and second groups of memory locations for storing different tuning information for the same group of predetermined channels. A mode switch, in a first mode, allows memory locations in the first group to be address ...


2
Robert J Butler, Ronald G Schlameuss: Station signature system. RCA Corporation, E M Whitacre, L C Edelman, P M Emanuel, March 3, 1987: US04647974 (178 worldwide citation)

A system for the automatic insertion of auxiliary video information into a television signal received at a local station from a network distribution system is provided which inserts a trigger signal into the television signal before its distributed to the local stations. The trigger signal indicates ...


3
Charles R Thompson: Differential PCM video transmission system employing horizontally offset five pixel groups and delta signals having plural non-linear encoding functions. RCA Corporation, P J Rasmussen, P M Emanuel, R G Coalter, April 28, 1987: US04661862 (120 worldwide citation)

A wide-aspect-ratio HDTV signal having 1600 luminance pixels/32 .mu.S line and 980 lines/frame is data reduced by deleting odd pixels of each line of TV field #1 and even pixels of each line of TV field #2 to produce 800 pixels per line, and is further data compressed by a form of differential-pulse ...


4
Juri Tults: Arrangement for both channel swapping and favorite channel features. RCA Corporation, E M Whitacre, P J Rasmussen, P M Emanuel, January 4, 1983: US04367559 (102 worldwide citation)

The channel selection apparatus of a tuning system includes a present channel number register, a temporary register, a saved channel number register and a control unit for selectively controlling the three registers to (a) interchange the contents of the present and saved channel number registers wh ...


5
Victor Auerbach: Input device for a display system using phase-encoded signals. RCA Licensing Corporation, Paul J Rasmussen, P M Emanuel, T F Lenihan, May 17, 1988: US04745402 (97 worldwide citation)

The invention relates to a display system using a remote control handunit having "pointing function" capability for moving a cursor displayed on a display screen by changing the angular position of the remote control handunit. Specifically, the individual transmitting transducers of the remote contr ...


6
Merle V Hoover: Complementary symmetry FET frequency converter circuits. RCA Corporation, E M Whitacre, P J Rasmussen, P M Emanuel, June 8, 1982: US04334324 (92 worldwide citation)

A frequency converter uses first and second complementary symmetry FET's to perform respective oscillator and mixer functions. The first and second FET's are arranged with respective conduction channels connected in series. The oscillator function is performed by the first FET via feedback provided ...


7
Donald R Preslar: Circuit arrangement using emitter coupled logic and integrated injection logic. RCA Corporation, E M Whitacre, P J Rasmussen, P M Emanuel, November 2, 1982: US04357548 (91 worldwide citation)

In a circuit using integrated injection logic and emitter coupled logic circuits, a unique arrangement is used to facilitate the interface between various circuit sections. An embodiment in an AM/FM digital tuner circuit is shown. Specifically, the integrated injection logic circuits are stacked wit ...


8
Christopher H Strolle, Glenn A Reitmeier: Progressive scan television system with interlaced inter-field sum and difference components. RCA Corporation, P J Rasmussen, P M Emanuel, R G Coalter, April 28, 1987: US04661850 (64 worldwide citation)

A progressively scanned video signal is encoded into temporal sum and difference components for transmission. The sum signal is temporally filtered, decimated and time expended to be compatible with interlaced receivers. The difference signal, also temporally filtered, decimated and time expanded, i ...


9
Robert A Dischert: Progressive scan display system employing line and frame memories. RCA Corporation, P J Rasmussen, P M Emanuel, R G Coalter, February 3, 1987: US04641188 (51 worldwide citation)

A receiver includes a line store progressive scan processor and a frame store progressive scan processor for doubling the line rate of a video input signal for display. The video input signal includes an identifying signal signifying whether the fields that are derived from a common scene. The ident ...


10
William H Meise, Robert A Dischert: Compatible wide-screen color television system. RCA Corporation, P J Rasmussen, P M Emanuel, R G Coalter, November 5, 1985: US04551754 (49 worldwide citation)

A wide-angle television system, such as one having 2:1 or 5:3 aspect ratios, transmits end portions that exceed the limits of a conventional 4:3 aspect ratio picture in regions that are normally hidden from view in a conventional receiver. Thus the system is compatible with such a receiver. These re ...



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