Matthias Christner

Person

Ludwigsburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker system with directivity
- Patent number 10,477,299
- Issue date Nov 12, 2019
- d&b Audiotechnik GmbH
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Connection device for loudspeaker boxes, arrangement of loudspeaker...
- Patent number 10,129,621
- Issue date Nov 13, 2018
- d&b Audiotechnik GmbH
- Matthias Christner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and device for identifying the position of loudspeaker boxes...
- Patent number 9,872,118
- Issue date Jan 16, 2018
- d&b Audiotechnik GmbH
- Frank Bothe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bass reflex loudspeaker system with phase correction element
- Patent number 9,288,571
- Issue date Mar 15, 2016
- d&b Audiotechnik GmbH
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker box
- Patent number D727874
- Issue date Apr 28, 2015
- d&b Audiotechnik GmbH
- Matthias Christner
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Loudspeaker system with reduced rear sound radiation
- Patent number 8,842,866
- Issue date Sep 23, 2014
- d&b Audiotechnik GmbH
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loudspeaker box arrangement and method for the positional adjustmen...
- Patent number 6,652,046
- Issue date Nov 25, 2003
- d & b Audiotechnik AG
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LOUDSPEAKER SYSTEM WITH REDUCED REAR SOUND RADIATION OVER A WIDE FR...
- Publication number 20250056152
- Publication date Feb 13, 2025
- d&b audiotechnik GmbH & Co. KG
- Nico PAUL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER SYSTEM WITH DIRECTIVITY
- Publication number 20180167722
- Publication date Jun 14, 2018
- d&b audiotechnik GmbH
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONNECTION DEVICE FOR LOUDSPEAKER BOXES, ARRANGEMENT OF LOUDSPEAKER...
- Publication number 20170171650
- Publication date Jun 15, 2017
- d&b audiotechnik GmbH
- Matthias Christner
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Method and device for identifying the position of loudspeaker boxes...
- Publication number 20160337772
- Publication date Nov 17, 2016
- d&b audiotechnik GmbH
- Frank Bothe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASS REFLEX LOUDSPEAKER SYSTEM WITH PHASE CORRECTION ELEMENT
- Publication number 20150086057
- Publication date Mar 26, 2015
- d&b audiotechnik GmbH
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CALIBRATING A PUBLIC ADDRESS INSTALLATION
- Publication number 20120250870
- Publication date Oct 4, 2012
- d&b audiotechnik GmbH
- Christner Matthias
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Loudspeaker system with reduced rear sound radiation
- Publication number 20080137894
- Publication date Jun 12, 2008
- d&b audiotechnik AG
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Loudspeaker box arrangement and method for the positional adjustmen...
- Publication number 20020121847
- Publication date Sep 5, 2002
- d&b audiotechnik AG
- Matthias Christner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Matthias Christner

Person

Patents Grantslast 30 patents

Loudspeaker system with directivity

Connection device for loudspeaker boxes, arrangement of loudspeaker...

Method and device for identifying the position of loudspeaker boxes...

Bass reflex loudspeaker system with phase correction element

Speaker box

Loudspeaker system with reduced rear sound radiation

Loudspeaker box arrangement and method for the positional adjustmen...

Patents Applicationslast 30 patents

LOUDSPEAKER SYSTEM WITH REDUCED REAR SOUND RADIATION OVER A WIDE FR...

LOUDSPEAKER SYSTEM WITH DIRECTIVITY

CONNECTION DEVICE FOR LOUDSPEAKER BOXES, ARRANGEMENT OF LOUDSPEAKER...

Method and device for identifying the position of loudspeaker boxes...

BASS REFLEX LOUDSPEAKER SYSTEM WITH PHASE CORRECTION ELEMENT

CALIBRATING A PUBLIC ADDRESS INSTALLATION

Loudspeaker system with reduced rear sound radiation

Loudspeaker box arrangement and method for the positional adjustmen...