John K Roberts, Frederick T Bauer, Joseph S Stam, Timothy A Bonardi, William L Tonar, Robert R Turnbull: Indicators and illuminators using a semiconductor radiation emitter package. Gentex Corporation, Randall S Vaas, Price Heneveld Cooper DeWitt & Litton, August 27, 2002: US06441943 (370 worldwide citation)

A vehicle lamp assembly includes a housing and an LED lamp carried in the housing. A signal mirror, includes a mirror; and an LED lamp. The LED lamp includes a heat extraction member.

Jayanthi Rangarajan, David Ladd, Senaka Balasuriya, Curtis Tuckey: System and method for determining a location relevant to a communication device and/or its associated user. Motorola, Randall S Vaas, Hisashi D Watanabe, June 29, 2004: US06757544 (279 worldwide citation)

A method of determining a location relevant to a user of a communication device is provided. The method involves determining general location information of the location relevant to the user and determining a list of location parameters from the general location information. Specific location of the ...

Joseph S Stam, Jon H Bechtel, Spencer D Reese, John K Roberts, William L Tonar, G Bruce Poe: Vehicle lamp control. Gentex Corporation, Randall S Vaas, Price Heneveld Cooper DeWitt & Litton, August 26, 2003: US06611610 (202 worldwide citation)

A system and method of automatically controlling vehicle headlamps includes an image sensor and a controller to generate headlamp control signals.

Thomas R Klaus, Stephen J Milligan: Power transformer. Motorola, Randall S Vaas, March 25, 1997: US05613863 (164 worldwide citation)

A universal power transformer (101) is for connection to an AC power source and produces a regulated DC voltage at an output thereof. The power transformer includes a power transformer housing (102) with a recess (114). A universal power converter circuit (313) is positioned in the housing. Connecto ...

Swee Ho Lim: Entering a character into an electronic device. Motorola, Randall S Vaas, October 28, 2008: US07443316 (142 worldwide citation)

A method (300) for entering a character into an electronic device (100) is provided. The method (300) includes displaying (301) input character keys (204) on a touch sensitive region (202) of a display screen (105) of the device (100), the keys identifying an associated character. Next, a display st ...

Mark E Pecen, Niels P Skov Andersen, Michael D Kotzin: Method and apparatus for remote multiple access to subscriber identity module. Motorola, Michael C Soldner, Randall S Vaas, October 15, 2002: US06466804 (133 worldwide citation)

An apparatus enabling multiple client devices to access a SIM card, coupled to a server device, along a local link, that includes a SIM card interface and a router unit. The SIM card interface couples the SIM card to the server device, formats the commands from the client devices for transmission to ...

James R Brunette, Scott D Beutler, Stephen J Gaynes, James D Domoleczny Sr, Albert L Nagele: Latching mechanism and method of latching thereby. Motorola, Randall S Vaas, February 18, 1997: US05604050 (116 worldwide citation)

A latching mechanism (160) disposed on an accessory (102) for attaching the accessory (102) to a portable device (100) includes a support (164) and a latch (162) disposed about opposite ends (150, 152) that mate with first and second portions (206 and 300, 302) of a retaining device (123) disposed a ...

William P Alberth Jr, Armin Klomsdorf, Luke Winkelmann: Load envelope following amplifier system. Motorola, Paul J Bartusiak, Randall S Vaas, February 19, 2002: US06349216 (114 worldwide citation)

A load envelope following (LEF) amplifier system to increase the efficiency of amplification systems that employ linear modulation schemes. The LEF system has a signal amplifier for receiving an input signal that has an amplitude modulation (AM) envelope. The signal amplifier produces an amplified v ...


Gregory R Black: Amplifier and biasing circuit therefor. Motorola, Randall S Vaas, Kirk W Dailey, September 24, 1996: US05559471 (99 worldwide citation)

An amplifier contains an RF generated negative supply wherein the RF input of the negative generator is connected to the RF input of a first power amplifier stage. This arrangement allows the power supplies to be turned-on in the correct order, thus, avoiding any damage to the transistors or power s ...