Inventor

Arthur H. M. van Roermund

Inventor

Eindhoven, NL

Overview

1981–2008

Patent span

Electricity

Primary field (CPC H)

Patents· 19 as inventor

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

H03Hprimary

H03HImpedance networks, e.g. resonant circuits28%

G11CStatic stores17%

H03DDemodulation or transference of modulation from one carrier to another17%

H03MCoding10%

H10DInorganic electric semiconductor devices7%

H03CModulation3%

H03FAmplifiers3%

H03GControl of amplification3%

H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%

H04BTransmission3%

PatentTitleYear

7,466,252'Method and apparatus for calibrating a scaled current electronic circuit'2008 7,076,384'Method and apparatus for calibrating a current-based circuit'2006 5,373,243'Impedance transformation circuit with matched current sources'1994 4,987,580'Charge transfer device having capacitive feedback'1991 4,965,711'Switched capacitor network'1990 4,860,354'Arrangement for decoding a stereo multiplex signal'1989 4,716,375'Switched-capacitor multiplier circuit'1987 4,692,737'Encoding device'1987 4,691,171'Integrated RC filter with resistor trimming'1987 4,616,185'Multiplying circuit comprising switched-capacitor circuits'1986 4,616,192'Phase-locked loop with switchable phase detector'1986 4,569,072'Clock-controlled filtering arrangement'1986 4,518,935'Band-rejection filter of the switched capacitor type'1985 4,517,655'Multiplier circuit for multiplying an information signal by a periodic signal'1985 4,502,019'Dynamic amplifier circuit'1985 4,455,666'Compensation of 1st order transfer inefficiency effect in a C.T.D.'1984 4,443,885'Charge transfer method and device for carrying out the method'1984 4,428,070'Dynamic circulation memory'1984 4,266,146'Charge transfer devices having switchable blocking electrodes'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1994Patents assigned to PHILIPS CORP (17)· patent assignee history

1981–1994Based in Eindhoven, NL· patent location history

1989Based in Eindohoven, NL· patent location history

2006–2008Patents assigned to XILINX INC (2)· patent assignee history

2006–2008Based in Helmond, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PHILIPS CORP	17	1981–1994
XILINX INC	2	2006–2008

Locations

Location	Patents	Span
Eindhoven, NL	16	1981–1994
Helmond, NL	2	2006–2008
Eindohoven, NL	1	1989