John H. Harshbarger

Person

Xenia, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for automatic performance evaluation of electr...
- Patent number 5,572,444
- Issue date Nov 5, 1996
- MTL Systems, Inc.
- Louis F. Lentz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for automatic performance evaluation of electr...
- Patent number 5,351,201
- Issue date Sep 27, 1994
- MTL Systems, Inc.
- John H. Harshbarger
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Television video pattern generator system
- Patent number 4,670,782
- Issue date Jun 2, 1987
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for measuring the gray scale characteristics of a CRT display
- Patent number 4,568,975
- Issue date Feb 4, 1986
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for testing a CRT display under beam duty cycl...
- Patent number 4,536,792
- Issue date Aug 20, 1985
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse stretching circuit for a raster display
- Patent number 4,536,793
- Issue date Aug 20, 1985
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of testing the linearity of a raster scan
- Patent number 4,533,950
- Issue date Aug 6, 1985
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selectable rate sync generator system
- Patent number 4,518,995
- Issue date May 21, 1985
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interlace detector
- Patent number 4,509,079
- Issue date Apr 2, 1985
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selectable rate sync generator system
- Patent number 4,417,275
- Issue date Nov 22, 1983
- Visual Information Institute, Inc.
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic switch
- Patent number 4,000,428
- Issue date Dec 28, 1976
- Visual Information Institute, Inc.
- John H. Harshbarger
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Start-stop transistor colpitts oscillator circuit
- Patent number 3,991,388
- Issue date Nov 9, 1976
- Visual Information Institute, Inc.
- John H. Harshbarger
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power loss alarm system
- Patent number 3,979,741
- Issue date Sep 7, 1976
- Visual Information Institute, Inc.
- John H. Harshbarger
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Visual cue for display testing having one bit resolution
- Publication number 20030001956
- Publication date Jan 2, 2003
- John H. Harshbarger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

John H. Harshbarger

Person

Patents Grantslast 30 patents

Method and apparatus for automatic performance evaluation of electr...

Method and apparatus for automatic performance evaluation of electr...

Television video pattern generator system

Method for measuring the gray scale characteristics of a CRT display

Method and apparatus for testing a CRT display under beam duty cycl...

Pulse stretching circuit for a raster display

Method of testing the linearity of a raster scan

Selectable rate sync generator system

Interlace detector

Selectable rate sync generator system

Electronic switch

Start-stop transistor colpitts oscillator circuit

Power loss alarm system

Patents Applicationslast 30 patents

Visual cue for display testing having one bit resolution