1
Ljubomir Micic, Hermannus Schat, Laurin C Freyberger, Manfred F Ullrich: Television receiver equipped for simultaneously showing several programs. ITT, John T O Halloran, Peter C Van Der Sluys, February 13, 1979: US04139860 (217 worldwide citation)

This relates to apparatus for the "picture on picture" or "program check" project. Storage, storage control circuits and clock signal generators are disclosed. The storage consists of two parts which are simultaneously fed by selected lines of the second program.


2
William C Crager, Sudhindra R Umarji, Robert H Griffin, Gerard J Louit: Packet-switched data communications system. International Telephone and Telegraph Corporation, John T O Halloran, Jeffrey P Morris, November 15, 1977: US04058672 (196 worldwide citation)

A packet-switched digital data communication system operable in a store-and-forward mode is provided for enabling substantially simultaneous full-duplex communication between a plurality of telecommunications terminals, facsimile transceivers or other data input sources over a communications network ...


3
Gerhard Gunter Gassmann: Method of and system for transmitting two different messages on a carrier wave over a single transmission channel of predetermined bandwidth. International Standard Electric Corporation, John T O Halloran, Peter C Van Der Sluys, December 9, 1980: US04238849 (188 worldwide citation)

In a radio broadcoast channel, an additional message is superimposed on the normal message so as to be inaudible to the listener. To accomplish this, the additional message, consisting of digital signals, is modulated on a subcarrier lying in the ear-physiological masking range of the normal message ...


4
Ernest G Parker: Multiple shipboard antenna configuration. International Telephone and Telegraph Corporation, John T O Halloran, Peter C Van Der Sluys, May 11, 1982: US04329690 (162 worldwide citation)

A multiple antenna system for a ship mast top with the individual antenna sections being in stacked relationship. The uppermost antenna is a Global Positioning System antenna. The intermediary antenna is a Tactical Air Navigation antenna. The lowermost antenna is a Joint Tactical Information Distrib ...


5
Charles R Ward, Robert A Reilly: Processor for multiple, continuous, spread spectrum signals. International Telephone and Telegraph Corporation, John T O Halloran, Alfred C Hill, August 14, 1979: US04164628 (153 worldwide citation)

This relates to a signal processor which accepts the linear sum of several continuous (CW) direct sequence, spread spectrum signals, and outputs a sequence of narrow pulses, each of which contains all the available energy of one of the input signals. The CW signals are applied to the input of a tapp ...


6
Richard J Schulman, Mark J Schneider: Speech processor system for pitch period extraction using prediction filters. International Telephone and Telegraph Corporation, John T O Halloran, Alfred C Hill, September 7, 1976: US03979557 (153 worldwide citation)

A computational algorithm and an implementation thereof is described herein for determining the pitch period of voiced speech in real time. All processing is performed in the time domain employing the prediction residual or error signal of a 10th-order Itakura cascade adaptive linear predictor or fi ...


7
Richard E Epworth: Optical transmission system. International Standard Electric Corporation, John T O Halloran, Peter R Ruzek, August 6, 1985: US04533247 (151 worldwide citation)

An optical transmission system comprises a light source, which may be coherent or incoherent, a first optical interferometer wherein light from the source is modulated, an optical path, which may be either free space or an optical fiber, along which the modulated output of the first interferometer i ...


8
James H Burbo, Louis P Hartman, Douglas M Spranger, Malcolm J Brookes, Paul J Mulhauser: Night vision imaging system adapted for helmet mounting. International Telephone and Telegraph Corporation, John T O Halloran, Robert P Seitter, May 22, 1984: US04449787 (124 worldwide citation)

There is disclosed a night vision imaging system for mounting on a helmet. The helmet contains a visor having a slot into which is inserted a helmet mount assembly which can be vertically adjusted within the slot by means of a control mechanism including a rotatable knob. The mount assembly is an ar ...


9
Peter D Steensma, Murray Weinberg, Robert W Smid, Thomas E Finley: Asynchronous integrated voice and data communication system. International Telephone and Telegraph Corporation, John T O Halloran, Alfred C Hill, May 22, 1984: US04450554 (124 worldwide citation)

The asynchronous integrated voice and data communication system includes a continuously variable slope delta encoder and a continuously variable slope delta decoder to convert voice signals to coded signals and vice versa. A packetizer and a depacketizer are employed with each data and voice user to ...


10
Ian A W Vance, John K Goatcher: Direct conversion radio receiver for FM signals. International Standard Electric Corporation, John T O Halloran, Peter R Ruzek, June 4, 1985: US04521892 (109 worldwide citation)

A radio receiver for FM signals having a demodulation system to produce an approximation to an analog output by either measuring the time intervals between successive zero crossings in the I.F. (FIG. 1, FIG. 2B) or by filtering pulses produced at each zero crossing of the I.F. (FIG. 1, FIG. 2A). The ...