Inventor

HAMMERSCHMIDT JOACHIM S

US45 patents

⚠️ This page may combine multiple inventors who share the name “HAMMERSCHMIDT JOACHIM S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAMMERSCHMIDT JOACHIM S

APPLE INC

Pulse shaping interoperability protocol for ultra wideband systems

Time instant reference for ultra wideband systems

Ultra wideband secure ranging

Systems and methods for determining estimated head orientation and position with ear pieces

Scheduled access control for an electronic lock

Signaling techniques using fragmented and multi-partitioned UWB packets

Techniques for hybridized ultra-wideband and narrowband signaling

System and method for pulse shaping interoperability for ultra wideband systems

Wireless earphone antennas

Secure training sequence symbol structure

Announcing UWB / NBA-UWB-MMS ranging rounds via narrowband-based advertisements

Next-generation ultra-wideband frame formats

Scheduled access control for an electronic lock

Method and apparatus for calibration of voltage controlled oscillator

Receiver for secure time-of-arrival calculation

Announcing UWB / NBA-UWB-MMS ranging rounds via narrowband-based advertisements

Techniques for hybridized ultra-wideband and narrowband signaling

Sequences for ultra-wideband ranging

Digital filter with programmable impulse response for direct amplitude modulation at radio frequency

Next-generation ultra-wideband frame formats

Next-generation ultra-wideband frame formats

Systems and methods for determining estimated head orientation and position with ear pieces

Method and apparatus for calibration of voltage controlled oscillator

Method for antenna occlusion detection

Multiband Bluetooth

Data-less clock compensation for ranging

AGERE SYSTEMS INC

Method and apparatus for frequency domain compensation of DC offset in an orthogonal frequency division multiplexing system

Partitioning scheme for an OFDM transceiver

Acknowledgement message modification in communication networks

Multiple-branch wireless receiver

Acknowledgement message modification in communication networks

Global minimum-based MLD demapping for soft-output MIMO detection

Reduced-complexity multiple-input, multiple-output detection

Multiple-branch wireless receiver

MLD demapping using sub-metrics for soft-output MIMO detection and the like

BROADCOM CORP

Programmable transmitter

Multiple protocol wireless communication baseband transceiver

Single-chip wireless tranceiver

Transmit scheme adaptation for wireless data transmissions

Maximum likelihood detection for MIMO receivers

Programmable transmitter

HAMMERSCHMIDT JOACHIM S

Transmission method and apparatus in a multiple antenna communication system

Multiple-branch wireless receiver

AGARWAL PEYUSH

Polling using B-ACK for occasional back-channel traffic in VoWIFI applications

FURRER SIMEON

Receive configuration adaptation for wireless transceivers