| Patent | Date |
|---|
Securtiy element
Grant 5,714,213 - Antes , et al. February 3, 1 | 1998-02-03 |
Security element
Grant 5,538,753 - Antes , et al. July 23, 1 | 1996-07-23 |
Apparatus for the optical recognition of documents
Grant 5,304,813 - De Man April 19, 1 | 1994-04-19 |
Demodulation process for binary data
Grant 5,287,516 - Schaub February 15, 1 | 1994-02-15 |
Planar, core saturation principle, low flux magnetic field sensor
Grant 5,278,500 - Seitz January 11, 1 | 1994-01-11 |
Planar magnetic harmonic sensor for detecting small quantities of magnetic substances
Grant 5,276,396 - Seitz January 4, 1 | 1994-01-04 |
Arrangement for the measurement of reactive power or reactive energy
Grant 5,262,715 - King , et al. November 16, 1 | 1993-11-16 |
Process and circuit to determine estimates of the instantaneous value of parameters of at least one sinusoidal signal with constant and known frequency which is an additive component of a measuring signal
Grant 5,249,150 - Gruber , et al. September 28, 1 | 1993-09-28 |
Plurality of arrangements each including an IC magnetic field sensor and two ferromagnetic field concentrators, and a procedure for incorporating each arrangement into a package
Grant 5,247,202 - Popovic , et al. September 21, 1 | 1993-09-21 |
Optical spectrophotometer with wavelength modulation
Grant 5,231,462 - Dschen July 27, 1 | 1993-07-27 |
Device for aligning sheets with plural drive roller groups on a common shaft
Grant 5,140,166 - Gerlier August 18, 1 | 1992-08-18 |
Tariff arrangement with secure bidirectional interface
Grant 5,136,514 - Laumann August 4, 1 | 1992-08-04 |
Device for optically measuring a pressure differential
Grant 5,128,537 - Halg July 7, 1 | 1992-07-07 |
Arrangement for electrical measurement
Grant 5,124,624 - de Vries , et al. June 23, 1 | 1992-06-23 |
Optical device for sensing magnetic inductions
Grant 5,119,024 - Popovic , et al. June 2, 1 | 1992-06-02 |
Device for the embossing of fine structures
Grant 5,109,767 - Nyfeler , et al. May 5, 1 | 1992-05-05 |
Arrangement to improve forgery protection of credit documents
Grant 5,106,125 - Antes April 21, 1 | 1992-04-21 |
Interlaminar sandwich with diffraction structure
Grant 5,104,471 - Antes , et al. April 14, 1 | 1992-04-14 |
Device for the acceptance and delivery of banknotes and process for its operation
Grant 5,076,441 - Gerlier December 31, 1 | 1991-12-31 |
Device for optically scanning sheet-like documents
Grant 5,034,616 - Bercovitz July 23, 1 | 1991-07-23 |
Optially variable surface pattern
Grant 5,032,003 - Antes July 16, 1 | 1991-07-16 |
Arrangement for measuring an electrical power or energy
Grant 5,032,785 - Mathis , et al. July 16, 1 | 1991-07-16 |
Turning device for sheet-like items and process for its operation
Grant 4,993,556 - Gerlier February 19, 1 | 1991-02-19 |
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