Frank J Chvojcsek

US Patent:

6422771, Jul 23, 2002

Filed:

Dec 16, 1996

Appl. No.:

08/768091

Inventors:

Frank Chvojcsek - West Dundee IL
Van E. Sun - Palo Alto CA

Assignee:

Stenograph Corporation - Mount Prospect IL

International Classification:

B41J 33382

US Classification:

400235, 400194, 400208

Abstract:

A disposable ink ribbon cartridge for use in a shorthand machine. The cartridge includes an endless loop ribbon threaded through an advancing mechanism in contact with a movable ink reservoir. The advancing mechanism advances the ribbon and also transfers ink from the ink reservoir to the ribbon. The ink reservoir is made from a reticulated foam which provides an even supply of ink over a long period of time. The movable ink reservoir and the advancing mechanism interact to minimize friction between the moving parts of the cartridge. The ink reservoir and advancing mechanism deliver consistent and even doses of ink to the ribbon throughout the life of the cartridge.

US Patent:

6736558, May 18, 2004

Filed:

Mar 29, 2002

Appl. No.:

10/113172

Inventors:

Vae E. Sun - Palo Alto CA
Frank Chvojcsek - West Dundee IL

Assignee:

Stenograph L.L.C. - Mount Prospect IL

International Classification:

B41J 33382

US Classification:

400235, 400194, 400208

Abstract:

A disposable ink ribbon cartridge for use in a shorthand machine. The cartridge includes an endless loop ribbon threaded through an advancing mechanism in contact with a movable ink reservoir. The advancing mechanism advances the ribbon and also transfers ink from the ink reservoir to the ribbon. The ink reservoir is made from a reticulated foam which provides an even supply of ink over a long period of time. The movable ink reservoir and the advancing mechanism interact to minimize friction between the moving parts of the cartridge. The ink reservoir and advancing mechanism deliver consistent and even doses of ink to the ribbon throughout the life of the cartridge.

US Patent:

D554922, Nov 13, 2007

Filed:

Oct 24, 2005

Appl. No.:

29/241120

Inventors:

Frank Chvojcsek - West Dundee IL, US
Dennis Kras - Des Plaines IL, US

Assignee:

Stenograph LLC - Mount Prospect IL

International Classification:

0606

US Classification:

D 6511

US Patent:

7403375, Jul 22, 2008

Filed:

May 27, 2005

Appl. No.:

11/140155

Inventors:

Frank John Chvojcsek - West Dundee IL, US
Dennis John Kras - Des Plaines IL, US

Assignee:

Stenograph L.L.C. - Mount Prospect IL

International Classification:

H05K 5/00
G06F 3/02
B41J 3/26
H04N 1/024

US Classification:

361681, 345169, 400 94, 178 21

Abstract:

The adjustable LCD screen assembly for a writing machine includes base and an LCD screen assembly coupled to each other by a hinge assembly. An embodiment of the hinge assembly includes a pivot post and a pair locking set screws, Bellville spring washers, a screw, an anti-rotation washer, a first bracket and a second bracket. The hinge assembly mounts to the base along the first bracket and to the LCD screen assembly along the second bracket. The hinge assembly utilizes a compression mechanism including a spring mechanism to generate frictional force between the elements of the hinge assembly to hold the LCD screen assembly in place with respect to the base under “static conditions,” yet allows for infinite adjustability of the LCD screen assembly, within a given range of motion, under “pivoting conditions. ”.

US Patent:

20110025606, Feb 3, 2011

Filed:

Apr 20, 2010

Appl. No.:

12/763525

Inventors:

Frank J. Chvojcsek - West Dundee IL, US
Keith A. McCready - Chicago IL, US
David J. Mueller - Naperville IL, US

Assignee:

STENOGRAPH, L.L.C. - Elmhurst IL

International Classification:

G06F 3/02

US Classification:

345168, 178 1801

Abstract:

A writing apparatus comprises a housing and a keyboard mounted in the housing and having keys representing symbols of a language. Each key is moveable from a rest position. Sensors sense position of each key and develop a signal representing position of each key. A controller is operatively connected to the sensors for monitoring the signal. The controller is configured to determine if any of the keys are pressed by monitoring the position of each key and for any given key determining if an amount of change in position from the rest position for the given key is greater than a select movement amount and rate of change in position for the given key is greater than a selected velocity amount, and generating change in an output state for the given key responsive to the given key being pressed.

US Patent:

43635571, Dec 14, 1982

Filed:

Apr 27, 1981

Appl. No.:

6/257777

Inventors:

Paul J. Fowler - Glenview IL
Frank Chvojcsek - Chicago IL

Assignee:

Stenograph Corporation - Skokie IL

International Classification:

B41J 326

US Classification:

400 91

Abstract:

A marking device for a shorthand machine selectively marks the margins of the paper tape output of the shorthand machine to denote a portion of the shorthand notes for ready reference. The activating keys for the device are located in close proximity with the machine keyboard, whereby the operator may activate the device with minimal interruption of the recording process. Disposable marking instruments may be employed in the device. Incorporation of the device in the machine cover preserves the first planar surface of the cover and further, facilitates storage of the device when not in use.

US Patent:

44397984, Mar 27, 1984

Filed:

Sep 14, 1981

Appl. No.:

6/302117

Inventors:

Frank Chvojcsek - Chicago IL

Assignee:

Stenograph Corporation - Skokie IL

International Classification:

G11B 500
G11B 2700
B41J 326

US Classification:

360 4

Abstract:

An improved referencing device for identifying for future reference a portion of a data record as it is being recorded for use in combination with a shorthand machine generating electrical output signals corresponding to the keys depressed, a recording medium, and recorder associated with said shorthand machine for making a data record of the signals generated thereby on said recording medium. The referencing device comprises means for generating a reference signal separate and independent from the output signal generated by said shorthand machine and for inputting said reference signal to said data recorder for making a record of the referencing signal on the recording medium. A portion of the data record may then be identified for future reference by the reference signal record.