Inventor

Clinton S. Hartmann

Inventor

Dallas, TX, US

Overview

1976–2009

Patent span

Physics

Primary field (CPC G)

Patents· 41 as inventor

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

H03Hprimary

H03HImpedance networks, e.g. resonant circuits32%

G06KGraphical data reading13%

G01SRadio direction-finding7%

G10KSound-producing devices7%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

H04NPictorial communication, e.g. television5%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%

H04BTransmission4%

Y10TTechnical subjects covered by former us classification4%

G01VGeophysics2%

PatentTitleYear

7,535,151'Single phase unidirectional surface acoustic wave transducer and improved reflectors'2009 7,407,111'Surface acoustic wave identification tag having enhanced data content and methods of operation and manufacture thereof'2008 7,264,149'SAW identification tag discrimination methods'2007 7,173,360'Single phase undirectional surface acoustic wave transducer and improved reflectors'2007 7,103,948'Method of manufacturing piezoelectric wafers of saw identification tags'2006 7,096,279'Object-naming network infrastructure for identification tags and method of operation thereof'2006 7,084,768'Anti-collision interrogation pulse focusing system for use with multiple surface acoustic wave identification tags and method of operation thereof'2006 7,030,762'Anti-collision interrogation pulse focusing system for use with multiple surface acoustic wave identification tags and method of operation thereof'2006 6,966,493'Surface acoustic wave identification tag having enhanced data content and methods of operation and manufacture thereof'2005 6,958,696'Transfer function system for determining an identifier on a surface acoustic wave identification tag and method of operating the same'2005 6,919,802'Multi-layer method of accommodating code collisions from multiple surface acoustic wave identification tags'2005 6,759,789'Surface acoustic wave identification tag having an interdigital transducer adapted for code discrimination and methods of operation and manufacture thereof'2004 6,756,880'Reader and response control system for discrimination between multiple surface acoustic wave identification tags and method of operation thereof'2004 6,708,881'Reader for a high information capacity SAW identification tag and method of use thereof'2004 6,268,782'Electro-acoustic device with a variable acoustic wave velocity piezoelectric substrate'2001 5,646,584'Saw filter including electrodes of opposing polarity'1997 5,610,566'Saw filter with a coupled saw impedance element'1997 4,999,535'Saw transducer with improved bus-bar design'1991 4,682,223'Descrambler unit method and apparatus for television signal descrambling'1987 4,663,664'Electronic ticket method and apparatus for television signal scrambling and descrambling'1987 4,599,587'Impedance element'1986 4,577,168'Notch filter'1986 4,575,696'Method for using interdigital surface wave transducer to generate unidirectionally propagating surface wave'1986 4,491,758'Surface wave device with oversampled withdrawal weighting'1985 4,491,757'Transversely weighted surface acoustic wave device'1985 4,454,488'Surface acoustic wave resonator with middle grating'1984 4,403,252'Television scrambling and unscrambling method and apparatus'1983 4,385,377'Pulse position time division surface wave device transmitter'1983 4,353,046'Surface acoustic wave device with reflectors'1982 4,184,052'AM/FM time division surface wave device transmitter'1980 4,168,509'Method for transmitting and receiving compatible high resolution television pictures'1979 4,063,198'Acoustic ridge interactive structure'1977 4,056,793'Acoustic waveguide resonator'1977 4,055,819'Acoustic ridge delay line'1977 4,055,821'Acoustic ridge transversal filter'1977 4,049,958'Programable filter using chirp-Z transform'1977 4,028,648'Tunable surface wave device resonator'1977 3,990,021'Surface wave multifrequency oscillator'1976 3,974,464'Acoustic ridge waveguide'1976 3,961,293'Multi-resonant surface wave resonator'1976 3,946,342'Weighting surface wave filters by withdrawing electrodes'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to TEXAS INSTRUMENTS INC (14)· patent assignee history

1976–2009Based in Dallas, TX, US· patent location history

1976–1986Based in Richardson, TX, US· patent location history

1982–1987Patents assigned to RF MONOLITHICS (9)· patent assignee history

1985–1987Based in Carrollton, TX, US· patent location history

1997Patents assigned to ADVANCED SAW PROD SA (2)· patent assignee history

2004–2008Patents assigned to RF SAW COMPONENTS INC (11)· patent assignee history

2007–2009Patents assigned to HARTMANN CLINTON S (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TEXAS INSTRUMENTS INC	14	1976–1986
RF SAW COMPONENTS INC	11	2004–2008
RF MONOLITHICS	9	1982–1987
ADVANCED SAW PROD SA	2	1997
HARTMANN CLINTON Sself	2	2007–2009

Locations

Location	Patents	Span
Dallas, Texas, US	29	1976–2009
Richardson, Texas, US	8	1976–1986
Carrollton, Texas, US	4	1985–1987