1
James R Geschke, Kurt A Dykema: Wireless vehicle parameter monitoring system. Prince Corporation, Price Heneveld Cooper DeWitt & Litton, August 26, 1997: US05661651 (251 worldwide citation)

A wireless system for monitoring vehicle parameters, such as tire pressure, using radio frequency (RF) signals transmitted from transmitters close in proximity to an associated parameter sensor, to a centrally located receiver. The transmitted RF signals from the transmitters may be distinguished by ...


2
Kurt A Dykema, Floyd J Peplinski: Trainable transceiver capable of learning variable codes. Prince Corporation, Price Heneveld Cooper DeWitt & Litton, August 26, 1997: US05661804 (195 worldwide citation)

A trainable transceiver for learning and transmitting an activation signal that includes a rolling or other variable code for remotely actuating a device, such as a garage door opener. The trainable transceiver preferably includes a receiver, a signal generator, and a controller operating in a learn ...


3
Kurt A Dykema, Mark D Matlin, Kenneth R Zurawski: Trainable RF transmitter having expanded learning capabilities. Prince Corporation, Harness Dickey & Pierce, July 18, 2000: US06091343 (179 worldwide citation)

A trainable transmitter is described that is capable of learning and replicating both AM and FM signals. The trainable transmitter also has the capacity to learn and replicate RF signals in both the 27 MHz to 40 MHz and the 250 MHz to 450 MHz frequency bands commonly used in European garage door ope ...


4
Todd R Witkowski, Kurt A Dykema, Steven L Geerlings, Mark L Zeinstra: Wireless communications system and method. Johnson Controls Technology Company, Foley & Lardner, March 25, 2008: US07349722 (142 worldwide citation)

A system for communicating information facilitates wireless communication between electronic devices. The system includes a transceiver provided in a vehicle. The transceiver communicates with an electronic device located external to the transceiver using a Bluetooth communications standard.


5
Todd R Witkowski, Kurt A Dykema, Steven L Geerlings, Mark L Zeinstra: Wireless communications systems and method. Johnson Controls Technology Company, Foley & Lardner, August 14, 2007: US07257426 (138 worldwide citation)

A wireless communications system and method adapted for use in automotive applications for enabling automatic, high-speed, wireless voice and/or data communications link to be established between a wide variety of external devices and various electronic subsystems of a vehicle. The apparatus include ...


6
Mark L Zeinstra, Kurt A Dykema: Vehicle accessory trainable transmitter. Prince Corporation, Price Heneveld Cooper DeWitt & Litton, December 26, 1995: US05479155 (132 worldwide citation)

A vehicle accessory includes a trainable transmitter for duplicating the signal of an existing remote control. In one embodiment, the system includes a variable frequency generator having a frequency control input and an output. In one embodiment, also, the transmitter includes a switch for selectiv ...


7
Mark L Zeinstra, Kurt A Dykema: Vehicle accessory trainable transmitter. Prince Corporation, Price Heneveld Cooper DeWitt & Litton, March 25, 1997: US05614891 (104 worldwide citation)

A vehicle accessory includes a trainable transmitter for duplicating the signal of an existing remote control. In one embodiment, the system includes a variable frequency generator having a frequency control input and an output. In one embodiment, also, the transmitter includes a switch for selectiv ...


8
Kurt A Dykema: Trainable RF transmitter including attenuation control. Prince Corporation, Price Heneveld Cooper DeWitt & Litton, August 15, 1995: US05442340 (104 worldwide citation)

A transmitter includes an attenuator for adjusting the level of an output signal as a function of the pulse width and frequency of the output signal. The transmitter also includes receiver components which are disabled when the transmitter is transmitting.


9
Todd R Witkowski, Kurt A Dykema, Steven L Geerlings, Mark L Zeinstra, Robert F Buege: Wireless communications system and method. Johnson Controls Technology Company, Foley & Lardner, March 18, 2008: US07346374 (101 worldwide citation)

A system for communicating information is described. The system comprises a radio frequency (RF) transceiver coupled to a vehicle. The transceiver is configured to communicate with a personal digital assistant (PDA) located external to the transceiver using wireless RF signals to transmit informatio ...


10
Kurt A Dykema, Mark L Zeinstra, Paul C Duckworth: Fast scan trainable transmitter. Prince Corporation, Price Heneveld Cooper DeWitt & Littton, December 29, 1998: US05854593 (90 worldwide citation)

A trainable transmitter for learning the characteristics of a received RF signal and for transmitting a coded RF signal having the learned characteristics to a receiver for remote activation of a device, such as a garage door opener. The trainable transmitter includes a tunable RF circuit and a cont ...