1
Welles Reymond: AC powered light emitting diode array circuits for use in traffic signal displays. David P Gordon, David S Jacobson, Thomas A Gallagher, August 10, 1999: US05936599 (222 worldwide citation)

An LED array circuit includes a number of series connected LED pairs, each pair including two parallel connected oppositely polarized LEDS. The array is coupled to a standard AC voltage source in series with an inductor L having Q>5 and a reactance which is equivalent to the resistance of a current ...


2
Welles Reymond: Output characteristics stabilization of CMOS devices. General DataComm, David P Gordon, April 23, 1996: US05510729 (20 worldwide citation)

Output characteristics of CMOS chips are controlled by providing a known and stable current to a representative transistor of known relative size in the CMOS chip, and arranging the output CMOS driving transistor(s) of the chip, which are of known size relative to the representative transistor, in c ...


3
Welles Reymond: High speed synchronous digital data bus system having unterminated data and clock buses. General DataComm, David P Gordon, October 6, 1998: US05818884 (16 worldwide citation)

A high speed synchronous digital bidirectional data bus system is provided and includes an M-bit unterminated data bus, an unterminated standing sine wave clock bus, and a plurality of integrated circuit bus interfaces. Each IC bus interface is preferably substantially incorporated on a single CMOS ...


4
Welles Reymond: Connector system having switching and testing functions using tapered spring contact elements and actuators therefor. General DataComm, David P Gordon, June 20, 1995: US05425649 (15 worldwide citation)

A connector system having an electrical switch capability for connecting a first electrical conductor to a second electrical conductor is provided and includes a spring biased contact element having a first portion for making electrical contact with the first electrical conductor, a second tapered c ...


5
Welles Reymond: Standing sine wave clock bus for clock distribution systems. General DataComm, David P Gordon, May 14, 1996: US05517532 (15 worldwide citation)

A clock phase and frequency distribution system is disclosed which uses a standing sine wave and provides substantially simultaneous significant crossing instances everywhere in the system while using low power and not requiring bus termination or precise control of transmission path characteristics ...


6
Welles Reymond: Isolated high impedance, DC current sources for telecommunications applications. General DataComm, David P Gordon, June 24, 1997: US05642412 (9 worldwide citation)

An isolated, high impedance, DC current source is provided from a readily available AC type source. The DC current source includes an isolating transformer which receives the AC source signal and provides an isolated AC voltage signal therefrom, a resonant low pass filter which is tuned to the frequ ...


7
Welles Reymond: Acoustic intrusion detection system. Gordon & Jacobson PC, May 19, 2009: US07535351 (4 worldwide citation)

An active acoustic intrusion detection system includes a pair of dipole emitters (180 degrees out of phase with each other) which emit an audible frequency f (preferably 1 KHz) and a pair of detectors preferably mounted ¼ wavelength (3 inches) apart in the (non-echoic) nulls of the emitters. The det ...


8
Welles Reymond: Method for generating enhanced etched inductor elements. General Data Comm, David P Gordon, David S Jacobson, Thomas A Gallagher, June 13, 2000: US06075432 (4 worldwide citation)

An inductor element comprises a copper pattern on a PCB on which a magnetic powder is deposited. The inductor is formed according to the method of the invention by etching a copper layer of a PCB in a desired pattern. A magnetic powder-loaded ink is then screened or stenciled over the pattern of the ...


9
Welles Reymond: Acoustic Intrusion Detection System. Gordon & Jacobson PC, January 24, 2008: US20080018461-A1

An active acoustic intrusion detection system includes a pair of dipole emitters (180 degrees out of phase with each other) which emit an audible frequency f (preferably 1 KHz) and a pair of detectors preferably mounted ¼ wavelength (3 inches) apart in the (non-echoic) nulls of the emitters. The det ...


10
Welles Reymond: Acoustic intrusion detection system. Welles Reymond, GORDON David P, January 31, 2008: WO/2008/014138

An active acoustic intrusion detection system includes a pair of dipole emitters (180 degrees out of phase with each other) which emit an audible frequency f (preferably 1 KHz) and a pair of detectors preferably mounted 1/4 wavelength (3 inches) apart in the (non-echoic) nulls of the emitters. The d ...