Inventor

Udo Mai

Inventor
Villingen-Schwenningen, DE

Overview

23→
Patents
1984–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Nprimary
H04NPictorial communication, e.g. television33%
F02PIgnition, other than compression ignition, for internal-combustion engines15%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%
F02BInternal-combustion piston engines5%
F02DControlling combustion engines5%
F02NStarting of combustion engines3%
F21SNon-portable lighting devices3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
H01FMagnets3%
PatentTitleYear
8,674,604'Activation module for a gas discharge lamp'20146,006,726'Method and device for cylinder recognition in an internal combustion engine'19995,767,918'Television receiver with a deflecting oscillator that has the additional function of controlling line generators that superimpose alphanumeric and/or graphic characters on the screen'19985,682,860'Device and method for ignition detection'19975,505,175'Ignition system for internal combustion engine'19965,447,136'Ignition system for internal combustion engines'19955,199,394'Circuit arrangement for electronic control of an internal combustion engine'19935,113,839'Ignition system for an internal combustion engine'19925,015,915'Method of compensating for the earth\'s magnetic field in a picture tube'19914,992,872'Method of synchronizing the horizontal deflection of electron beams in television receivers'19914,973,930'Twin coil'19904,912,617'Switch mode power supply with separately regulated secondary voltage'19904,896,214'Television receiver with a micro-computer controlled operating part and a switching network part'19904,891,707'Television receiver with a controlled, line-separating, switched external-power supply'19904,868,662'External-power stage'19894,864,406'Television receiver with a synchronized external-power stage'19894,860,102'Circuitry for automatically switching the control speed of a phase-control circuit'19894,849,818'Television receiver with receiving devices for processing videotext and teletext signals'19894,835,610'Arrangement for automatic switching of the regulating speed of a phase regulating circuit'19894,814,672'Circuitry for limiting an operating voltage obtained by way of a rectifier from a secondary winding of a transformer'19894,795,947'Device for eliminating the interline flicker'19894,727,464'Deflection mains-supply concept for television sets'19884,469,992'Circuit for correcting east-west pincushion distortions'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1998Patents assigned to THOMSON BRANDT GMBH (15)· patent assignee history
1984–1991Based in Tannheim, DE· patent location history
1988–1998Based in Villingen-Schwenningen, DE· patent location history
1990–1999Patents assigned to VOGT ELECTRONIC AG (6)· patent assignee history
1990–1999Based in Untergriesbach, DE· patent location history
1995Based in Untrgriesbach, DE· patent location history
2014Patents assigned to DUSCHL ANTON (1)· patent assignee history
2014Patents assigned to MAI UDO (1)· patent assignee history
2014Patents assigned to SCHICHL ROMAN (1)· patent assignee history
2014Based in Untergriessbach, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
THOMSON BRANDT GMBH151984–1998
VOGT ELECTRONIC AG61990–1999
DUSCHL ANTON12014
MAI UDOself12014
SCHICHL ROMAN12014
Locations
LocationPatentsSpan
Villingen-Schwenningen, DE101988–1998
Untergriesbach, DE81990–1999
Tannheim, DE31984–1991
Untergriessbach, DE12014
Untrgriesbach, DE11995