Inventor
Hendricus de Ruijter
Inventor
Sunnyvale, CA, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication23%
H04BTransmission20%
H04WWireless communication networks16%
H04JMultiplex communication6%
G06FElectric digital data processing5%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner5%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
H01QAntennas, i.e. radio aerials3%
H03DDemodulation or transference of modulation from one carrier to another3%
PatentTitleYear
10,812,302Receiver with PHY switch based on preamble202010,720,948Transceiver with frequency error compensation202010,389,482Radio-frequency apparatus with improved power consumption and associated methods201910,333,750Receiver with PHY switch based on preamble201910,312,955Transceiver with frequency error compensation201910,305,676Apparatus for receiver with digital signal arrival detector and associated methods201910,172,105Apparatus for receiver with multi-bit observation interval and associated methods201910,061,740Receiver with signal arrival detection capability201810,008,981Integrated clock generator and method therefor20189,831,836Automatic gain control (AGC) circuit and method to control amplifier gain based on a duration of an overload condition20179,736,709'Receiver with frequency deviation detection capability and method therefor'20179,720,875'Receiver with signal arrival detection capability'20179,553,565'Automatic frequency compensation method and apparatus'20179,510,289'In system calibration of wake up timer'20169,438,290'Receiver having a calibration source'20169,356,606'Clock generator using free-running oscillator and method therefor'20169,013,975'Receiver with collision detection and method therefor'20158,908,750'Circuit device including peak and average detectors'20148,837,646'Receiver having a scalable intermediate frequency'20148,699,630'Systems and methods for handling data rate changes within a packet or frame'20148,634,502'Receiver with asynchronous and synchronous demodulator'20148,615,213'Reducing power consumption of a filter'20138,515,416'Performing testing in a radio device'20138,515,373'Apparatus for providing reference signals and associated methods'20138,462,903'In-band interference rejection of signals in alternate and adjacent channels'20137,689,189'Circuit and method for signal reception using a low intermediate frequency reception'20107,405,613'Differential slope demodulator for low-IF frequencies'20087,292,092'Tunable poly-phase filter and method for calibration thereof'20077,230,579'Directional dual frequency antenna arrangement'20077,190,933'Method and apparatus for automatic tuning of a resonant loop antenna in a transceiver circuit'20075,839,060'Logarithmic level detector and a radio receiver'19985,220,686'Tunable resonance amplifier'19935,093,635'Controllable oscillator having transconductance circuits with amplitude stabilization'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1998Patents assigned to PHILIPS CORP (3)· patent assignee history
1992–1998Based in Eindhoven, NL· patent location history
2007–2008Patents assigned to INTEGRATION ASSOCIATES INC (2)· patent assignee history
2007–2020Based in Sunnyvale, CA, US· patent location history
2007Based in Hilversum, NL· patent location history
2010–2020Patents assigned to SILICON LAB INC (26)· patent assignee history
2013–2017Patents assigned to DE RUIJTER HENDRICUS (11)· patent assignee history
2014–2017Patents assigned to LI WENTAO (3)· patent assignee history
2019–2020Based in Austin, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SILICON LAB INC | 26 | 2010–2020 |
| DE RUIJTER HENDRICUSself | 11 | 2013–2017 |
| LI WENTAO | 3 | 2014–2017 |
| PHILIPS CORP | 3 | 1992–1998 |
| INTEGRATION ASSOCIATES INC | 2 | 2007–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 27 | 2007–2020 |
| Eindhoven, NL | 3 | 1992–1998 |
| Austin, Texas, US | 2 | 2019–2020 |
| Hilversum, NL | 1 | 2007 |