Inventor
Wendell B. Sander
Inventor
Los Gatos, CA, US
Overview
Patents· 109 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
H03FAmplifiers8%
H03CModulation6%
H04MTelephonic communication6%
H03GControl of amplification5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
G06FElectric digital data processing4%
G08CTransmission systems for measured values, control or similar signals4%
PatentTitleYear
10,637,192Dual orientation connector with external contacts202010,090,619Dual orientation connector with external contacts20189,871,319'Dual orientation connector with external contacts'20189,680,980'Electronic device accessory'20179,478,905'Dual orientation connector with external contacts'20169,237,401'Electronic devices with adjustable bias impedances and adjustable bias voltages for accessories'20169,231,435'Methods and apparatuses for operating devices with solar power'20169,020,162'Electronic device and external equipment with digital noise cancellation and digital audio path'20158,998,632'Dual orientation connector with external contacts'20158,995,689'Electronic device circuitry for communicating with accessories'20158,983,083'Electronic device and headset with speaker seal evaluation capabilities'20158,983,093'Electronic device circuitry for communicating with accessories'20158,976,976'Accessory adapter with user input interface'20158,891,790'Methods for using an accessory to communicate with an electronic device'20148,750,527'Electronic device and headset with speaker seal evaluation capabilities'20148,600,080'Methods for communicating with electronic device accessories'20138,535,075'Electronic device with circuitry to detect the insertion orientation of a plug connector'20138,493,755'Power supply with zero power consumption capability'20138,457,157'Digital communications system with variable-bandwidth traffic channels'20138,416,961'Detecting the repositioning of an earphone using a microphone and associated action'20138,401,200'Electronic device and headset with speaker seal evaluation capabilities'20138,396,196'Transfer of multiple microphone signals to an audio host device'20138,369,534'Mode switching noise cancellation for microphone-speaker combinations used in two way audio communications'20138,330,061'Compact input device'20128,254,592'Electronic device and external equipment with configurable audio path circuitry'20128,223,986'Electronic device and external equipment with digital noise cancellation and digital audio path'20128,223,909'Digital sampling apparatuses and methods'20128,217,619'Portable devices having multiple power interfaces'20128,150,058'Mode switching noise cancellation for microphone-speaker combinations used in two way audio communications'20128,145,147'Power amplifier edge evaluation-alternative envelope modulator'20128,130,790'Digital communications system with variable-bandwidth traffic channels'20128,098,838'Detecting the repositioning of an earphone using a microphone and associated action'20128,019,096'Electronic device and external equipment with configurable audio path circuitry'20118,004,113'Methods and apparatuses for operating devices with solar power'20117,999,613'Method and apparatus for an improved power amplifier'20117,956,591'Power supply with zero power consumption capability'20117,910,843'Compact input device'20117,868,582'Portable devices having multiple power interfaces'20117,869,608'Electronic device accessory'20117,769,187'Communications circuits for electronic devices and accessories'20107,755,422'Power control and modulation of switched-mode power amplifiers with one or more stages'20107,636,386'Method of continuously calibrating the gain for a multi-path angle modulator'20097,627,128'Methods of calibrating tone-based communications systems'20097,623,667'Electronic device accessory with ultrasonic tone generator'20097,570,721'Apparatus and method for multi-phase digital sampling'20097,515,885'Communications signal amplifiers having independent power control and amplitude modulation'20097,514,900'Portable devices having multiple power interfaces'20097,444,125'Communications signal amplifiers having independent power control and amplitude modulation'20087,408,403'Circuits and methods for amplifying signals'20087,292,105'Power control and modulation of switched-mode power amplifiers with one or more stages'20077,212,069'Power control and modulation of switched-mode power amplifiers with one or more stages'20077,158,494'Multi-mode communications transmitter'20077,095,353'Frequency to digital conversion'20067,042,282'Power control and modulation of switched-mode power amplifiers with one or more stages'20067,035,604'Communications signal amplifiers having independent power control and amplitude modulation'20067,010,276'Communications signal amplifiers having independent power control and amplitude modulation'20066,864,668'High-efficiency amplifier output level and burst control'20056,844,776'Power control and modulation of switched-mode power amplifiers with one or more stages'20056,816,016'High-efficiency modulating RF amplifier'20046,751,265'Method and system of amplitude modulation using dual/split channel unequal amplification'20046,734,724'Power control and modulation of switched-mode power amplifiers with one or more stages'20046,724,830'High efficiency line driver for high crest-factor signals such as DMT/ADSL signals'20046,690,233'Efficient, precise RF modulation using multiple amplifier stages'20046,690,215'Sigma-delta-based frequency synthesis'20046,653,896'Differential rf/microwave power amplifier using independent synchronized polar modulators'20036,580,329'PLL bandwidth switching'20036,567,491'High efficiency line driver for high crest-factor signals such as DMT/ADSL signals'20036,528,975'Saturation prevention and amplifier distortion reduction'20036,522,192'Boost doubler circuit'20036,366,177'High-efficiency power modulators'20026,355,981'Wafer fabrication of inside-wrapped contacts for electronic devices'20026,269,135'Digital phase discriminations based on frequency sampling'20016,221,751'Wafer fabrication of die-bottom contacts for electronic devices'20016,219,394'Digital frequency sampling and discrimination'20016,198,347'Driving circuits for switch mode RF power amplifiers'20016,094,101'Direct digital frequency synthesis enabling spur elimination'20005,952,895'Direct digital synthesis of precise, stable angle modulated RF signal'19995,910,687'Wafer fabrication of die-bottom contacts for electronic devices'19995,904,496'Wafer fabrication of inside-wrapped contacts for electronic devices'19995,844,888'Network and intelligent cell for providing sensing, bidirectional communications and control'19985,789,817'Electrical apparatus with a metallic layer coupled to a lower region of a substrate and a metallic layer coupled to a lower region of a semiconductor device'19985,656,547'Method for making a leadless surface mounted device with wrap-around flange interface contacts'19975,592,022'Fabricating a semiconductor with an insulative coating'19975,557,149'Semiconductor fabrication with contact processing for wrap-around flange interface'19965,521,420'Fabricating a semiconductor with an insulative coating'19965,475,687'Network and intelligent cell for providing sensing, bidirectional communications and control'19955,444,009'Fabricating a semiconductor with an insulative coating'19955,441,898'Fabricating a semiconductor with an insulative coating'19955,403,729'Fabricating a semiconductor with an insulative coating'19955,280,194'Electrical apparatus with a metallic layer coupled to a lower region of a substrate and metallic layer coupled to a lower region of a semiconductor device'19945,151,985'Disk drive controller'19925,113,498'Input/output section for an intelligent cell which provides sensing, bidirectional communications and control'19925,047,967'Digital front end for time measurement and generation of electrical signals'19915,034,882'Multiprocessor intelligent cell for a network which provides sensing, bidirectional communications and control'19915,018,138'Protocol for network having a plurality of intelligent cells'19914,969,146'Protocol for network having a plurality of intelligent cells'19904,969,147'Network and intelligent cell for providing sensing, bidirectional communications and control'19904,955,018'Protocol for network having plurality of intelligent cells'19904,947,484'Protocol for network having a plurality of intelligent cells'19904,941,143'Protocol for network having a plurality of intelligent cells'19904,939,728'Network and intelligent cell for providing sensing bidirectional communications and control'19904,918,690'Network and intelligent cell for providing sensing, bidirectional communications and control'19904,916,556'Disk drive controller'19904,888,680'Peripheral device interface and controller'19894,742,448'Integrated floppy disk drive controller'19884,533,909'Computer with color display'19854,383,296'Computer with a memory system for remapping a memory having two memory output buses for high resolution display with scrolling of the displayed characters'19834,151,540'High beta, high frequency transistor structure'19793,949,243'Bipolar memory circuit'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2020Based in Cupertino, CA, US· patent location history
1979–1985Based in San Jose, CA, US· patent location history
1988–2016Based in Los Gatos, CA, US· patent location history
1990–1992Based in Campbell, CA, US· patent location history
1996–2002Patents assigned to CHIPSCALE INC (8)· patent assignee history
1999–2006Patents assigned to TROPIAN INC (22)· patent assignee history
2008–2020Patents assigned to APPLE INC (41)· patent assignee history
2012–2016Patents assigned to SANDER WENDELL B (21)· patent assignee history
2012–2016Patents assigned to SANDER BRIAN (11)· patent assignee history
2017Based in Morgan Hill, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 41 | 2008–2020 |
| TROPIAN INC | 22 | 1999–2006 |
| SANDER WENDELL Bself | 21 | 2012–2016 |
| SANDER BRIAN | 11 | 2012–2016 |
| CHIPSCALE INC | 8 | 1996–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Los Gatos, California, US | 95 | 1988–2016 |
| Cupertino, California, US | 8 | 1976–2020 |
| San Jose, California, US | 3 | 1979–1985 |
| Campbell, California, US | 2 | 1990–1992 |
| Morgan Hill, California, US | 1 | 2017 |