James E Butcher, 6734318 Dick Scott Hill Rd, New Matamoras, OH 45734

4667333, May 19, 1987

Dec 22, 1983

6/564975

James S. Butcher - Glendale Heights IL

Motorola, Inc. - Schaumburg IL

H04L 700

375106

An automatic clock recovery circuit is described. The automatic clock recovery circuit samples a received data signal with a recovered clock signal and advances or retards the recovered clock signal based on the comparison between the received data signal and the recovered clock signal. The automatic clock recovery circuit selectively cancels advance or retard corrections in the presence of bias distortion and phase ambiguities to improve the lock acquisition time for recovered clock.

5819586, Oct 13, 1998

Jun 10, 1997

8/872243

James A. Butcher - Memphis TN

F16H 2702

74129

A linear motion to rotary motion converter. A moving cam carrier reciprocates with respect to a rotating turntable having a plurality of fingers, preferably roller bearings, secured to and extending from the turntable parallel to the axis of rotation of the turntable and radially spaced from the axis. The number of rollers extending from the turntable determine the number of indexed stop positions of the turntable. The cam carrier has two movable cams and also has two retaining members that are attached to the cam carrier and respectively spaced from the movable cams so as to define channels, between the respective pairs of movable cams and retaining members, through which the roller bearing fingers of the turntable are constrained to move. The curvature and shape of the channels determines the velocity profile of the turntable as the cam carrier reciprocates. The invention also has lock positions at either end of the reciprocating cam carrier's movement in which the turntable is locked from rotation in either direction.

4429187, Jan 31, 1984

Dec 24, 1981

6/334189

James S. Butcher - Glendale Heights IL

GTE Automatic Electric Labs Inc. - Northlake IL

H04M 121
H04M 120

179 81R

A system for distributing signals from an audio source to key telephone station instruments is disclosed. By controlling the impedance relationship between the station instruments, lines and amplifier output, cross-feeding of signals from one station instrument to another or back-feeding of signals to the audio source is prevented.

4394703, Jul 19, 1983

Dec 24, 1981

6/334188

James S. Butcher - Glendale Heights IL

GTE Automatic Electric Labs Inc. - Northlake IL

H02H 308

361101

A protecting arrangement is dislcosed for multiple loads supplied from a single DC power source. Each load is monitored by a separate protection circuit. Detection of an over-current condition associated with one of the loads will cause the associated protection circuit to assume a non-conducting state and provide a visual indication of same. Periodically enabled common reset means are provided to restore conduction to non-conducting protection circuits following removal of the cause of over-current.

4584713, Apr 22, 1986

Mar 15, 1985

6/712285

Eugene J. Bruckert - Arlington Heights IL
James S. Butcher - Glendale Heights IL
Thomas F. Kneisel - Davie FL

Motorola, Inc. - Schaumburg IL

H04B 708

455277

A circuit and technique for directing an adaptable antenna system is described. The invention is coupled to the output of an RF receiver configured to provide a data signal output, and evaluates the quality of the receiver data signal. The invention switches antennas when the signal quality deteriorates below a predetermined level.

4399499, Aug 16, 1983

Dec 18, 1981

6/332285

James S. Butcher - Glendale Heights IL
Andrew Chan - Bensenville IL
Paul U. Lind - Lombard IL

GTE Automatic Electric Labs Inc. - Northlake IL

H02M 3335

363 17

A power converter which supplies AC or positive or negative DC output voltage with positive or negative current while isolating the output voltage from the input power source. This converter includes a pulse width modulator converts power amplitude signals to pulses of proportionate width. A power driver circuit applies these pulses to a sychronous demodulator and low pass filter via a pulse transformer. A low output impedance is presented to all output disturbances such that the converter can source or sink current in true four quadrant operation, including the passing of power from output to input when a load voltage exceeds the intended supply voltage.