Holger Kiehne

Follow

Person

Peine, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Microphone system
- Patent number 9,967,641
- Issue date May 8, 2018
- Robert Bosch GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone module and microphone system having the microphone module
- Patent number 9,185,479
- Issue date Nov 10, 2015
- Robert Bosch GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Microphone system and method for selecting an operating frequency f...
- Patent number 9,184,858
- Issue date Nov 10, 2015
- Robert Bosch GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system for audio equipment, method and computer program
- Patent number 9,071,913
- Issue date Jun 30, 2015
- Robert Bosch GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MICROPHONE SYSTEM AND METHOD FOR SELECTING AN OPERATING FREQUENCY F...
- Publication number 20120281848
- Publication date Nov 8, 2012
- ROBERT BOSCH GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MICROPHONE SYSTEM
- Publication number 20120281851
- Publication date Nov 8, 2012
- ROBERT BOSCH GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MICROPHONE MODULE AND MICROPHONE SYSTEM HAVING THE MICROPHONE MODULE
- Publication number 20120263314
- Publication date Oct 18, 2012
- ROBERT BOSCH GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM FOR AUDIO EQUIPMENT, METHOD AND COMPUTER PROGRAM
- Publication number 20120258751
- Publication date Oct 11, 2012
- ROBERT BOSCH GmbH
- Hartwig Koch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE