11
Foster Jimmie J L, Schultz Elmer J: Equalization means for multi-channel redundant control system. Collins Radio Company, Anderson Richard W, Crawford Robert J, April 16, 1974: US3805235 (29 worldwide citation)

An equalization means for a multi-channel redundant command signal computation control system where each channel output is applied to an associated one of a plurality of output signal voting means to which all other channel outputs are also applied for logically best signal selection. Each computati ...


12
Williford Jerry G: Frequency discriminator with output indicative of difference between input and local reference signals. Collins Radio Company, March 2, 1971: US3568067 (29 worldwide citation)

A first means extracts the difference frequency components of the input signal (f.sub.in) and a first reference signal (F.sub.r). A second means extracts the difference frequency components of said input signal and a second reference signal in phase quadrature with the first reference signal. The tw ...


13
Collins Arthur A, Hill III John D, Hungerford Laurence D: Multichannel communication system. Collins Radio Company, April 25, 1972: US3659271 (26 worldwide citation)

Method of communicating in a multichannel communication system especially useful with high speed and low speed devices included in the system. One or more channels or subchannels are provided and controlled for addressing devices and transmitting commands, other channels and subchannels are assigned ...


14
Hirvela Robert J: System failure monitor title. Collins Radio Company, July 31, 1973: US3749897 (24 worldwide citation)

The method of and circuitry for detecting failure of a computer system. The computer system failure is detected by requiring the computer to periodically complete a diagnostic routine within a preset time and in doing so the machine must proceed through a specific number of 'states.' Any alteration ...


15
Schuldt Jr Theodore J: Takeoff and go-around climb-out profile pitch command formulation for aircraft. Collins Radio Company, July 2, 1974: US3822047 (24 worldwide citation)

A pitch command signal formulation using angle-of-attack as basic reference provides improved noise abatement takeoff and go-around aircraft climb profiles. A stall margin reference angle-of-attack, as modified by flap position provides an angle of attack rundown profile based on flap change schedul ...


16
Hostetter John L: Probe assembly. Collins Radio Company, October 12, 1971: US3613001 (24 worldwide citation)

A probe assembly for testing integrated circuits and the like including a support member and preloaded probe members mounted on said support member and extending through an opening in said support member. A thermoplastic member encircling said opening supports intermediate portions of said probes an ...


17
Anderson Dean T: Digital audio squelch. Collins Radio Company, January 4, 1972: US3633112 (23 worldwide citation)

A digital squelch circuit taking the received audio signal and generating a digital train of pulses representing zero crossing characteristics of the received signal with, for example, if the signal is greater than zero, a logic level one being generated and if it is less than zero, a logic level ze ...


18
Northrup Malcolm B: Sealed magnetic tape cassette apparatus. Collins Radio Company, September 19, 1972: US3692956 (22 worldwide citation)

A magnetic tape cassette including a tape recording head wherein the cassette is environmentally sealed. The cassette includes a reel brake for preventing accidental movement of the reels when the cassette is not attached to a tape drive unit. The cassette further includes means or detecting end of ...


19
Leuck Carl A, Schindelbeck Fritz H: Reactor coil form. Collins Radio Company, May 23, 1972: US3665358 (21 worldwide citation)

A reactor coil form or bobbin comprising shelves for holding magnetic laminations in place and structured to additionally space the reactor from a potting container. The shelves include irregularities to produce better bonding of the potting compound to the shelves and the magnetic laminations. Furt ...


20
Hallford Ben R, Bach Carl E: Lid interaction protected shield enclosed dielectric mounted microstrip. Collins Radio Company, January 25, 1972: US3638148 (21 worldwide citation)

A shield enclosed microstrip circuit on a rigid relatively thick thermally and electrically conductive ground plane plate with polyolefin dielectric material approximately 0.026 inches thick having a dielectric constant within approximately the 2.3 to 2.5 range and microstrip circuitry in bonded lam ...