Gregory Thomas Wilson

US Patent:

52875555, Feb 15, 1994

Filed:

Jul 22, 1991

Appl. No.:

7/733797

Inventors:

Gregory P. Wilson - Lake Zurich IL
Donald B. Lemersal - Park Ridge IL
Rashid M. Osmani - Carol Stream IL
Dale G. Schwent - Hoffman Estates IL
John C. Johnson - Palatine IL

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

H03G 320
H04B 104

US Classification:

455115

Abstract:

A transmitter (604) of a TDMA cellular telephone (600) includes power control circuitry (100) comprised of variable gain stage (104), mixer (106), bandpass filter (109), RF amplifier (110), and directional coupler (112) in a forward path, and two detectors (116 and 117), four A/D converters (118, 119, 121 and 123), digital controller (120), and D/A converter (126) in a feedback path. In operation, the variable gain stage (104) is responsive to a gain control signal AOCCNT (128) for adjusting a modulated IF signal, which is then mixed in mixer (106) with an RF reference signal to produce the transmit RF signal. The temperature and supply voltage are sampled by controller (120) at the beginning of each time slot. Adjustments in the gain control signal (128) dictated by the sampled temperature and supply voltage are made by controller (120) in each time slot prior to keying the RF amplifier (110). The transmit RF signal is amplified by the RF amplifier (110) to produce the transmit output signal which is coupled by the directional coupler (112) and transmit filter (618) to an antenna (620) for transmission.

US Patent:

49724320, Nov 20, 1990

Filed:

Jan 27, 1989

Appl. No.:

7/303214

Inventors:

Gregory P. Wilson - Lake Zurich IL
Bryan A. Potratz - Palatine IL
Thomas J. Walczak - Woodstock IL
Jeffery L. Mullins - Palatine IL

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

H04B 138
H04L 516

US Classification:

375 7

Abstract:

A multiplexed synchronous/asynchronous data bus is disclosed in which three bus lines are used to convey bidirectional synchronous data between at least two data devices at a relatively low data rate. Half duplex asynchronous data is applied at a higher data transfer rate to one of the three bus lines when another of the bus lines is held in a logic high state.

US Patent:

51503590, Sep 22, 1992

Filed:

Aug 6, 1990

Appl. No.:

7/563364

Inventors:

Gregory P. Wilson - Lake Zurich IL
Bryan A. Potratz - Palatine IL
Thomas J. Walczak - Woodstock IL
Jeffery L. Mullins - Cupertino CA
Mark E. Prill - Lake Zurich IL

Assignee:

Motorola, Inc. - Schaumburg IL

International Classification:

H04J 302

US Classification:

370 8511

Abstract:

A multiplexed synchronous/asynchronous data bus is disclosed in which three bus lines are used to convey bidirectional synchronous data between at least two data devices at a relatively low data rate. Valid half duplex asynchronous data is applied at a higher data transfer rate to one of the three bus lines when only one of the bus lines is held in a logic high state.

Address:

6346 S Ingleside Ave, Chicago, IL 60637

VIN:

1FMEU64E87UA49321

Make:

FORD

Model:

EXPLORER

Year:

2007

Address:

3550 Campion Ave, Virginia Beach, VA 23462

VIN:

1HGCM66417A057201

Make:

HONDA

Model:

ACCORD

Year:

2007