1
Marshall Williams: Dynamically interactive responsive control device and system. Ampex Corporation, Rodney L Marett, Harry G Thibault, Joel D Talcott, December 24, 1985: US04560983 (120 worldwide citation)

A general device for the input of information in a binary format through rotational motion is disclosed, having independent means for the simultaneous output of information in a form perceivable to the human tactile sense. In particular, a knob is coupled to a shaft, a tachometer and a particle brak ...


2
Robert Steele: Method and apparatus for controlling the position of a transported web. Ampex Corporation, Rodney L Marett, Joel D Talcott, September 8, 1987: US04692819 (101 worldwide citation)

An apparatus and method for controlling the position of a web containing location identifying information thereon. In particular, a means for measuring displacement of the web independent of the location information is employed to measure the displacement of the web in a cyclic manner such that the ...


3
Peter B Holler: Method and apparatus for color selection and production. Ampex Corporation, Rodney L Marett, Bradley L Perkins, Ralph L Mossino, January 26, 1988: US04721951 (55 worldwide citation)

A color selection apparatus and method wherein a color is selected on the basis of one color characteristic system for implementation in another color characteristic system. A display is generated which is indicative of possible values of one color characteristic from the first color characteristic ...


4
Daniel A Beaulier, Theodore A Marsh: System and method for transforming and filtering a video image. Ampex Corporation, Gregory L Roth, Rodney L Marett, Bradley A Perkins, July 22, 1986: US04602285 (51 worldwide citation)

A video transformation and filtering system generates for each source image data point a plurality of target image addresses indicating a displacement between a point at which the source image data point maps into the target image and each data point of the target image which is affected by the sour ...


5
Daniel A Beaulier: Font recall system and method of operation. Ampex Corporation, Gregory L Roth, Rodney L Marett, Bradley A Perkins, February 4, 1986: US04568981 (25 worldwide citation)

A font recall system stores a font of alpha-numeric characters in a video display format for selective insertion as a caption into a video image. Characters are stored on a video disk in digital pixel form with full dynamic resolution. Low pass filtering is employed to preserve high image quality an ...


6
Steven P Ahlgrim: Low frequency restorer. Ampex Corporation, Rodney L Marett, Elizabeth E Strnard, March 24, 1992: US05099366 (13 worldwide citation)

The low frequency restorer of the invention restores the DC and low frequency contents to a digital signal which has been submitted to magnetic recording, playback and equalization processes. The restorer first provides a coarse representation of the originally recorded digital signal by clamping an ...


7
David C O Gwynn: Apparatus and method for adjusting the respective positions of a magnetic head and video information along a magnetic track. Ampex Corporation, Rodney L Marett Ralph L Mossino James LaBarre, August 25, 1987: US04689706 (8 worldwide citation)

A new automatic tracking method is disclosed for the accurate positioning of a magnetic head with information previously recorded on the magnetic tape. If a moveable magnetic head is used, the position thereof is first normalized. Thereafter tracking is automatically adjusted based on a repetitive s ...


8
David C O Gwynn: Apparatus and method for adjusting the tracking position of a magnetic head along a magnetic track. Ampex Corporation, James LaBarre, Rodney L Marett, Ralph L Mossino, May 17, 1988: US04745496 (6 worldwide citation)

A new automatic tracking method is disclosed for the accurate positioning of a magnetic head with information previously recorded on the magnetic tape. If a moveable magnetic head is used, the position thereof is first normalized. Thereafter tracking is automatically adjusted based on a repetitive s ...


9
Robert C Saunders, Dean T Au, W Ray Williams, Donald Zurek: Wire wrap operator check system. Honeywell Information Systems, Rodney L Marett, William W Holloway Jr, Ronald T Reiling, June 2, 1981: US04271472 (2 worldwide citation)

There is disclosed herein an apparatus for verifying the correct placement of a wire wrap tool on a wire wrap pin in an array of pins. An outside source of pin and condition data such as a human operator operating switches or a mechanical sequential state machine or a hand wired logic sequential sta ...