| Patent | Date |
|---|
Process and apparatus for the determination of halftone percentage values
Grant 6,084,693 - Zimmermann , et al. July 4, 2 | 2000-07-04 |
Process and apparatus for the determination of halftone percentage values
Grant 5,530,563 - Zimmermann , et al. June 25, 1 | 1996-06-25 |
Manual densitometer with manully operated dial
Grant 5,426,508 - Schrammli June 20, 1 | 1995-06-20 |
Hand held unit for determining photometric data
Grant D357,695 - Ott April 25, 1 | 1995-04-25 |
Photometric process and computer controlled photometer
Grant 5,267,178 - Berner November 30, 1 | 1993-11-30 |
Apparatus for the analysis of print control fields
Grant 5,206,707 - Ott April 27, 1 | 1993-04-27 |
Process for the determination of colorimetric differences between two screen pattern fields printed by a printing machine and process for the color control or ink regulation of the print of a printing machine
Grant 5,068,810 - Ott November 26, 1 | 1991-11-26 |
Process for the cryptographic processing of data and cryptographic systems
Grant 5,020,106 - Rabold , et al. May 28, 1 | 1991-05-28 |
Manual device for the determination or measurement of photometric data using a measuring head
Grant 4,968,140 - Berner , et al. November 6, 1 | 1990-11-06 |
Process and apparatus for the protection of secret elements in a network of encrypting devices with open key management
Grant 4,969,188 - Schobi November 6, 1 | 1990-11-06 |
Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data
Grant 4,967,379 - Ott October 30, 1 | 1990-10-30 |
Manual device for the detection of optical reflection properties
Grant 4,961,646 - Schrammli , et al. October 9, 1 | 1990-10-09 |
Measuring head
Grant 4,929,084 - Mast , et al. May 29, 1 | 1990-05-29 |
Measuring head
Grant 4,865,456 - Mast , et al. September 12, 1 | 1989-09-12 |
Cassette for photographic strip material
Grant 4,741,439 - Bizic May 3, 1 | 1988-05-03 |
Method and apparatus for the fine position adjustment of a laser beam
Grant 4,713,537 - Kunz , et al. December 15, 1 | 1987-12-15 |
Laser processing apparatus with means for selectively varying the transverse mode distribution of the laser beam
Grant 4,675,500 - Kunz , et al. June 23, 1 | 1987-06-23 |
Process, apparatus and color measuring strip for evaluating print quality
Grant 4,671,661 - Ott June 9, 1 | 1987-06-09 |
Process and apparatus for the evaluation of the printing quality of a printed product by an offset printing machine
Grant 4,665,496 - Ott May 12, 1 | 1987-05-12 |
Process and apparatus for evaluating printing quality and for regulating the ink feed controls in an offset printing machine
Grant 4,649,502 - Keller , et al. March 10, 1 | 1987-03-10 |
Digital speech processing system having reduced encoding bit requirements
Grant 4,618,982 - Horvath , et al. October 21, 1 | 1986-10-21 |
Voiced/unvoiced decision using sequential decisions
Grant 4,589,131 - Horvath , et al. May 13, 1 | 1986-05-13 |
Process and apparatus for the preparation of photographic copies
Grant 4,574,692 - Wahli March 11, 1 | 1986-03-11 |
Process and apparatus for the focusing of a beam of light on an object
Grant 4,567,362 - Kunz January 28, 1 | 1986-01-28 |
Process and apparatus for the colorimetric analysis of printed material
Grant 4,505,589 - Ott , et al. March 19, 1 | 1985-03-19 |
Code translator
Grant 4,441,095 - Widmer , et al. April 3, 1 | 1984-04-03 |
Apparatus for the preparation of sections of photographic film for passage through a continuous printer, particularly for processing of photographic print reorders
Grant 4,432,637 - Baschung February 21, 1 | 1984-02-21 |
Illuminating device for photographic copying apparatus
Grant 4,371,258 - Mast February 1, 1 | 1983-02-01 |
Enciphering/deciphering system
Grant 4,369,434 - Mueller January 18, 1 | 1983-01-18 |
Measuring head in or for a densitometer
Grant 4,341,473 - Mast July 27, 1 | 1982-07-27 |
Densitymeter
Grant D264,444 - Muchenberger , et al. May 18, 1 | 1982-05-18 |
Process for assessing the quality of a printed product
Grant 4,311,914 - Huber January 19, 1 | 1982-01-19 |
Process for assessing the quality of a printed product
Grant 4,303,832 - Ehrat December 1, 1 | 1981-12-01 |
Method for print exposure control
Grant 4,279,505 - Ursprung , et al. July 21, 1 | 1981-07-21 |
Method and installation for masked speech transmission over a telephone channel
Grant 4,188,506 - Schmid , et al. February 12, 1 | 1980-02-12 |
Exposure control system for color printers
Grant 4,150,894 - Meyer , et al. April 24, 1 | 1979-04-24 |
Data transmission system
Grant 4,151,373 - Widmer , et al. April 24, 1 | 1979-04-24 |
Gripper drum
Grant 4,145,040 - Huber March 20, 1 | 1979-03-20 |
Method and apparatus for synchronizing the ciphering and deciphering of binary-coded messages
Grant 4,145,569 - Ehrat March 20, 1 | 1979-03-20 |
Method and apparatus for ciphering and deciphering messages
Grant 4,145,568 - Ehrat March 20, 1 | 1979-03-20 |
Method and apparatus for testing the print quality of printed texts, more particularly banknotes
Grant 4,143,279 - Ehrat , et al. March 6, 1 | 1979-03-06 |
Method and apparatus for determining the relative positions of corresponding points or zones of a sample and an orginal
Grant 4,131,879 - Ehrat December 26, 1 | 1978-12-26 |
Method and apparatus for print exposure control
Grant 4,101,216 - Grossmann July 18, 1 | 1978-07-18 |
Device for pretesting originals to be copied for their copyability
Grant 4,099,064 - Grossmann July 4, 1 | 1978-07-04 |
Printing method
Grant 4,092,067 - Grossmann May 30, 1 | 1978-05-30 |
Measuring head
Grant 4,078,858 - Mast March 14, 1 | 1978-03-14 |
Data indicator unit
Grant 4,068,089 - Kuhnlein , et al. January 10, 1 | 1978-01-10 |
Method and apparatus for the scrambled transmission of spoken information via a telephony channel
Grant 4,068,094 - Schmid , et al. January 10, 1 | 1978-01-10 |
Method and apparatus for preparing and assessing payment documents
Grant 3,990,558 - Ehrat November 9, 1 | 1976-11-09 |
Method and apparatus for transmitting and receiving electrical speech signals transmitted in ciphered or coded form
Grant 3,959,592 - Ehrat May 25, 1 | 1976-05-25 |
Method and apparatus for printing coloured originals
Grant 3,950,093 - Schneider April 13, 1 | 1976-04-13 |
Method and apparatus for the analysis and synthesis of speech signals
Grant 3,909,533 - Willimann September 30, 1 | 1975-09-30 |
Method and apparatus for measuring the color density of printing inks applied to a moving web
Grant 3,890,048 - Abbondio , et al. June 17, 1 | 1975-06-17 |
Self-service Shop
Grant 3,836,755 - Ehrat September 17, 1 | 1974-09-17 |
Method And Apparatus For Encoding And Decoding Messages
Grant 3,808,365 - Ehrat April 30, 1 | 1974-04-30 |
Identification System For Individuals
Grant 3,806,874 - Ehrat April 23, 1 | 1974-04-23 |
Method And Apparatus For Detecting Dust Particles By Partial Embedment In A Layer Whose Surface Is Deformed By The Particles And Measuring Radiation Scattered By The Particles With A Schieren Optical System
Grant 3,767,306 - Mast , et al. October 23, 1 | 1973-10-23 |
Method Of And Apparatus For Comparing One Article With Another Similar Article
Grant 3,753,617 - Ehrat August 21, 1 | 1973-08-21 |
Method And Apparatus For Checking The Presence Of A Set Of Information-bearing Cards
Grant 3,637,992 - Ruesch January 25, 1 | 1972-01-25 |
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