1
Diamond John A, Sylvester Amedeo A, Carver Fred F: Apparatus for simulating aircraft control loading. The Singer Company, Kesterson James C, Rothenberg Jeffrey, September 9, 1975: US3903614 (221 worldwide citation)

An electro-mechanical system for providing an opposing force to movement of a simulated control member in a grounded flight trainer. The invention utilizes an electric motor connected to the control member by a flexible element which, in the disclosed embodiment, comprises a continuous cable with a ...


2
Mecklenborg Richard A: Panoramic infinity image display. The Singer Company, Kesterson James C, January 15, 1974: US3785715 (42 worldwide citation)

A wide angle infinity image display particularly useful in combination with flight trainers and the like is shown. A first tier of abutting mirror beam-splitter displays is arranged around a viewing point and have as an input an intermediate image from a similar tier located above the first tier. Wi ...


3
McCanney Neil R: Modular vehicle trainer sound system having a plurality of separately controllable sound generators and a polyphonic speaker array. The Singer Company, Altmiller John C, Kesterson James C, November 5, 1974: US3845572 (41 worldwide citation)

A modular quadraphonic sound system for use in vehicle trainers is shown. Sounds to be simulated are broken down as to mechanical source and separate voltage controlled sound generators and voltage controlled attenuators provided for each sound. Sounds are then added and proportionately provided to ...


4
Greenly Robert B: Training apparatus for firearms use. The Singer Company, Kesterson James C, Richbourg J Ronald, Rothenberg Jeffrey, November 26, 1974: US3849910 (31 worldwide citation)

Training apparatus designed to train personnel in the use of firearms by simulating situations requiring the rapid exercise of judgment and accuracy. A screen, penetrable by a projectile, is disposed for displaying target images projected thereon by a cine projector. Electromagnetic radiation direct ...


5
Fahey Wm David, Johnson Robert W: Non-impact printer. The Singer Company, Masselle Francis L, Kesterson James C, Richbourg J Ronald, August 27, 1974: US3832488 (26 worldwide citation)

A computer output microfilm printer which employs light-emitting diodes and flexible optic light guides to generate images to be printed on light sensitive film. The light guides have corresponding ends disposed in close proximity to the diodes for receiving light and opposite ends in a linear array ...


6
Caudill Herman T: Apparatus for shielding against electromagnetic interference. The Singer Company, Kesterson James C, Masselle Francis L, August 20, 1974: US3830954 (24 worldwide citation)

Apparatus for preserving the integrity of electromagnetic interference protection in electrical information transmission systems when transmission lines penetrate cabinets and similar enclosures. A structure is placed over the opening in the wall of an equipment cabinet through which transmission li ...


7
Blanding Curtis J: High-speed function generator. The Singer Company, Grobman William, Kesterson James C, May 28, 1974: US3813528 (22 worldwide citation)

A device for generating the value of the sine and cosine functions for angles between 0.degree. and 360.degree. is disclosed herein. By employing the symmetrical characteristics of the sine and cosine functions, a table of values for the sine function between 0.degree. and 90.degree. is the extent o ...


8
O Connor Daniel G: Realtime computer operation. The Singer Company, Grobman William, Kesterson James C, February 26, 1974: US3794981 (21 worldwide citation)

In realtime systems which are controlled by digital computers, information is updated at prescribed time intervals regardless of whether or not there have been changes in the input values. This specification discloses a system for comparing the new values with the previous values for the same quanti ...


9
Maggi Charles Robert: Film frame counter. The Singer Company, Altmiller John C, Kesterson James C, February 19, 1974: US3793508 (19 worldwide citation)

A film frame counter in which a first optical scanner is arranged to intersect the top half of one sprocket hole when a second scanner intersects the bottom half of another sprocket hole providing signals at a first level when intersecting a sprocket hole and at a second level when not. Because of t ...


10
Schonover Robert W: Digital phase shifter. The Singer Company, Kesterson James C, September 3, 1974: US3833854 (18 worldwide citation)

A digital phase shifter wherein pulses on one pulse train are advanced or delayed with respect to pulses on another pulse train in response to a digital command indicating the desired advance or delay. Two counters having a common clock input provide the pulse trains with the counter providing the o ...