| Patent | Date |
|---|
Method and apparatus for facilitating wireless communications with a nonautomotive roaming object
Grant 6,985,696 - Bromham , et al. January 10, 2 | 2006-01-10 |
Method and apparatus for facilitating two-way communications between vehicles
App 20040258034 - Davis, Walter L. ; et al. | 2004-12-23 |
Method and apparatus for facilitating two-way communications between vehicles
Grant 6,804,525 - Davis , et al. October 12, 2 | 2004-10-12 |
Method and apparatus for modification of vehicular navigation information
Grant 6,636,799 - D'Amico , et al. October 21, 2 | 2003-10-21 |
Method and apparatus for facilitating two-way communications between vehicles
App 20030186675 - Davis, Walter L. ; et al. | 2003-10-02 |
Method and apparatus for facilitating wireless communications with a nonautomotive roaming object
App 20030119445 - Bromham, Richard ; et al. | 2003-06-26 |
Method and apparatus for modification of vehicular navigation information
App 20030120420 - D'Amico, Thomas V. ; et al. | 2003-06-26 |
Apparatus for controlling utilization of software added to a portable communication device
Grant 6,008,737 - Deluca , et al. December 28, 1 | 1999-12-28 |
Hybrid analog-digital phase error detector
Grant 5,644,743 - Barrett, Jr. , et al. July 1, 1 | 1997-07-01 |
Selective call signaling system with combined wide area paging and high data rate transmissions via radio telephone transceivers
Grant 5,392,452 - Davis February 21, 1 | 1995-02-21 |
Battery saving method and apparatus for providing selective receiver power switching
Grant 5,392,457 - Davis , et al. February 21, 1 | 1995-02-21 |
Selective call receiver having anti-theft disablement
Grant 5,331,317 - Davis July 19, 1 | 1994-07-19 |
Global satellite communication system with geographic protocol conversion
Grant 5,287,541 - Davis , et al. February 15, 1 | 1994-02-15 |
Battery saving method and apparatus for providing selective receiver power switching
Grant 5,251,325 - Davis , et al. October 5, 1 | 1993-10-05 |
Satellite signalling system
Grant 5,239,668 - Davis August 24, 1 | 1993-08-24 |
Paging device with alternating alert outputs
Grant H1,173 - Davis , et al. April 6, 1 | 1993-04-06 |
Detecting out of range in response to a loss of signal and a history of approaching out of range prior to the loss of signal
Grant 5,193,216 - Davis March 9, 1 | 1993-03-09 |
Method of and apparatus for acknowledging and answering a paging signal
Grant 5,153,582 - Davis October 6, 1 | 1992-10-06 |
Global communication system receiver and method for operating the same
Grant 5,129,095 - Davis , et al. July 7, 1 | 1992-07-07 |
Serial word comparator
Grant 5,122,778 - Erhart , et al. June 16, 1 | 1992-06-16 |
Satellite signaling system having a signal beam with a variable beam area
Grant 5,121,503 - Davis June 9, 1 | 1992-06-09 |
Multi system decoding receiver
Grant 5,117,500 - Davis , et al. * May 26, 1 | 1992-05-26 |
Bit synchronizer
Grant 5,111,486 - Oliboni , et al. May 5, 1 | 1992-05-05 |
Paging receiver with automatic frequency control
Grant 5,109,544 - Mittel , et al. April 28, 1 | 1992-04-28 |
Synthesized selective call receiver having variable characteristics
Grant 5,058,204 - Tahernia , et al. October 15, 1 | 1991-10-15 |
Self-tuning direct coupled data limiter of a battery saver type paging receiver
Grant 5,025,251 - Mittel , et al. June 18, 1 | 1991-06-18 |
Global satellite communication system with geographic protocol conversion
Grant 5,008,952 - Davis , et al. April 16, 1 | 1991-04-16 |
Power conservation method and apparatus for a portion of a predetermined signal
Grant 4,995,099 - Davis February 19, 1 | 1991-02-19 |
Programmable multi-address pager receiver and method of characterizing same
Grant 4,975,693 - Davis , et al. December 4, 1 | 1990-12-04 |
Prioritization of stored messages in a digital voice paging receiver
Grant 4,949,085 - Fisch , et al. August 14, 1 | 1990-08-14 |
Telephone answering machine in paging systems with automatic number identification based message operations
Grant 4,942,598 - Davis July 17, 1 | 1990-07-17 |
System for off-the-air reprogramming of communication receivers
Grant 4,910,510 - Davis , et al. March 20, 1 | 1990-03-20 |
Frequency synthesizer with an interface controller and buffer memory
Grant 4,901,036 - Herold , et al. February 13, 1 | 1990-02-13 |
Pager having time controlled functions
Grant 4,894,649 - Davis January 16, 1 | 1990-01-16 |
Low voltage and low power frequency synthesizer
Grant 4,893,087 - Davis January 9, 1 | 1990-01-09 |
Synthesized clock microcomputer with power saving
Grant 4,893,271 - Davis , et al. January 9, 1 | 1990-01-09 |
Nationwide display pager with location readout
Grant 4,891,638 - Davis January 2, 1 | 1990-01-02 |
Method of reprogramming an alert pattern
Grant 4,868,561 - Davis September 19, 1 | 1989-09-19 |
System for automatically tuning the antenna of a miniature portable communications device
Grant 4,862,516 - Macnak , et al. August 29, 1 | 1989-08-29 |
Digital selective calling receiver having a selectively attachable device for multiple independent address decoding capability
Grant 4,860,004 - Davis August 22, 1 | 1989-08-22 |
Paging receiver having selectively protected regions of memory
Grant 4,839,628 - Davis , et al. June 13, 1 | 1989-06-13 |
Radio communication receiver with apparatus for altering bit rate of the receiver
Grant 4,816,820 - Davis March 28, 1 | 1989-03-28 |
Paging system using LPC speech encoding with an adaptive bit rate
Grant 4,811,376 - Davis , et al. * March 7, 1 | 1989-03-07 |
Gear coupled, counter-rotating vibratory drive assembly
Grant 4,793,196 - Davis , et al. December 27, 1 | 1988-12-27 |
Control interface for combined watch and pager functions
Grant 4,786,902 - Davis , et al. November 22, 1 | 1988-11-22 |
Paging receiver with LPC speech synthesizer
Grant 4,769,642 - Davis , et al. September 6, 1 | 1988-09-06 |
Turn off protection circuit
Grant 4,749,991 - Davis , et al. June 7, 1 | 1988-06-07 |
Paging system using LPC speech encoding with an adaptive bit rate
Grant 4,701,943 - Davis , et al. October 20, 1 | 1987-10-20 |
Programmable read only memory adaptive row driver circuit
Grant 4,698,790 - Davis October 6, 1 | 1987-10-06 |
Apparatus for inhibiting repetitive message detections in a zone batched communication system
Grant 4,682,165 - Davis July 21, 1 | 1987-07-21 |
Reduced power consumption low battery alert device
Grant 4,660,027 - Davis April 21, 1 | 1987-04-21 |
Filter capacitor discharge circuit for a DC-DC converter
Grant 4,648,015 - Davis , et al. March 3, 1 | 1987-03-03 |
Driver circuit for generating output at two different levels
Grant 4,647,793 - Davis March 3, 1 | 1987-03-03 |
DC to DC converter
Grant 4,634,956 - Davis , et al. January 6, 1 | 1987-01-06 |
Self biasing direct coupled data limiter
Grant 4,631,737 - Davis , et al. December 23, 1 | 1986-12-23 |
Tuned inductorless active phase shift demodulator
Grant 4,628,272 - Davis , et al. December 9, 1 | 1986-12-09 |
Communication receiver system having a voltage converter with an operating frequency below the receiver IF
Grant 4,606,076 - Davis August 12, 1 | 1986-08-12 |
Adjustable active filter
Grant 4,595,885 - Prieto , et al. June 17, 1 | 1986-06-17 |
Low power, low voltage oscillator
Grant 4,591,807 - Davis May 27, 1 | 1986-05-27 |
Optical inspection apparatus for moving articles
Grant 4,581,632 - Davis , et al. April 8, 1 | 1986-04-08 |
Inspection and cutting apparatus
Grant 4,520,702 - Davis , et al. June 4, 1 | 1985-06-04 |
Universal paging device with power conservation
Grant 4,518,961 - Davis , et al. May 21, 1 | 1985-05-21 |
Non-dissipative memory system
Grant 4,422,162 - Davis , et al. December 20, 1 | 1983-12-20 |
Dual deadman timer circuit
Grant 4,414,623 - Davis , et al. November 8, 1 | 1983-11-08 |
Dual mode DC/DC converter
Grant 4,355,277 - Davis , et al. October 19, 1 | 1982-10-19 |
Low voltage current mirror
Grant 4,329,639 - Davis May 11, 1 | 1982-05-11 |
Digital tone decoder system
Grant 4,142,177 - Davis February 27, 1 | 1979-02-27 |
Method for cooling food in a fluidized bed
Grant 3,865,965 - Davis , et al. February 11, 1 | 1975-02-11 |
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