Klensch Richard Joseph: Electronic identification system. RCA Corporation, Norton Edward J, Lazar Joseph D, Lechter Michael A, October 21, 1975: US3914762 (100 worldwide citation)

An electronic detection and identification system operating with correlated microwave frequencies wherein a transmitter continuously transmits a beam of electromagnetic energy, in a predetermined direction, so as to impinge on an identification tag suitably attached on a passing object. The identifi ...

Foldes Peter: Multimode horn antenna. RCA Corporation, Norton Edward J, Troike Robert L, September 16, 1975: US3906508 (86 worldwide citation)

A horn antenna is described including a funnel-shaped coupler with a port at the narrow end of the coupler adapted to excite a symmetrical waveguide mode in the coupler and a plurality of side wall input ports adapted to excite at least two difference waveguide modes. The port at the narrow end of t ...

Cavanagh John Denis: Spacecraft attitude control system. RCA Corporation, Norton Edward J, Lazar Joseph D, February 11, 1975: US3866025 (69 worldwide citation)

A system wherein orbit-adjust thrusters of a Pitch Momentum Bias spacecraft are used to perform both orbital inclination adjustment and roll and/or yaw attitude control. A strapdown inertial reference system comprising two rate gyros is operated in conjunction with an on-board computer to derive the ...

Bauer John August: Pulse modulation and detection communications system. RCA Corporation, Norton Edward J, Troike Robert L, March 12, 1974: US3796831 (61 worldwide citation)

In a pulse modulation and detection communications system suitable for use with high-power carrier sources such as light emitting diodes or transferred electron oscillators, the zero axis crossings of an audio frequency signal are used to control the output pulse width of the carrier source. The car ...

Sank Jon Rinaldo: Ultradirectional microphone. RCA Corporation, Norton Edward J, Squire William, February 19, 1974: US3793489 (54 worldwide citation)

A directional microphone includes a microphone unit responsive to waves in the audio frequency range and means for causing the microphone unit to operate as a second order microphone in a lower portion of that frequency range. Further means for imparting highly directional characteristics to waves i ...

Henriques Frank Fini: Fault detection facilitating means for card reader of identification card reading system. RCA Corporation, Norton Edward J, Seligsohn George J, September 16, 1975: US3906448 (53 worldwide citation)

A standard test element bearing predetermined coded information, which is movably mounted to a card reader, is displaced from its home position by the insertion to its operating position in the card reader of a card to be read, but is returned to its home position upon the withdrawal of the card. Th ...

Carrell Ross Michael: Optical scanner control system. RCA Corporation, Norton Edward J, Lazar Joseph D, Mahoney Donald E, November 12, 1974: US3848087 (52 worldwide citation)

An apparatus to synchronize a scanning light beam, reflected from a rotationally driven polygonal mirror, with means for processing signals manifesting optical information relating to the scanning light beam of the type operating under the control of timing signals. The optical information processin ...

Maxemchuk Nicholad Frank, White Hugh Edward: Data processor for a loop data communications system. RCA Corporation, Norton Edward J, Tripoli Joseph S, April 22, 1975: US3879710 (51 worldwide citation)

A data processor for a time division multiplexed communications system. A plurality of such data processors are connected in series in a loop configuration, each having a data terminal associated therewith, for establishing a connection between data processors in a time division multiplexed channel. ...

Hammer Jacob Meyer: Optical fiber to planar waveguide coupler. RCA Corporation, Norton Edward J, Seligsohn George J, October 14, 1975: US3912363 (44 worldwide citation)

Optical coupling between a fibre-optic waveguide and a planar optic waveguide is achieved by providing techniques for phase matching intercoupled evanescent fields of light wave energy traveling respectively in the two types of waveguides.

McGrogan Jr Ellwood Patrick: Detector for repetitive digital codes. RCA Corporation, Norton Edward J, Tripoli Joseph S, January 28, 1975: US3863215 (43 worldwide citation)

A detector for repetitive cyclically permutable digital codes. The detector utilizes two shift registers, serially connected to provide two delayed versions of a repetitive code. A majority vote circuit responsive to the undelayed code and two delayed codes is used for forward error reduction. A run ...