Patents by Inventor Chen Tchang

Chen Tchang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9681221
    Abstract: Conference Systems are commonly used in meeting rooms or plenary halls to support the discussion of a plurality of participants. Such Conference Systems may comprise more than 50 or 100 microphone equipped delegate units, whereby each delegate unit can be assigned to a participant of the discussion. A delegate unit 1 for a Conference System is proposed, the delegate unit comprises a base body 2, a microphone stem body 3 comprising a microphone head 10 and a stem 11, whereby the microphone head 10 is arranged on the stem 11 and whereby the microphone stem body 3 is arranged on the base body 2, whereby the microphone head 10 has a directional microphone characteristic.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 13, 2017
    Assignee: ROBERT BOSCH GMBH
    Inventors: Chen Tchang, Kees Nuijten, Aldo Van Dijk, Hatem Elayeb, Martien Kas
  • Patent number: 9271096
    Abstract: A delay unit (16) for a conference audio system (1) adapted to delay audio input signals for an adjustable time delay, thereby generating audio output signals, is proposed.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: February 23, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Marc Smaak, C. P. Janse, Chen Tchang, L. C. A. van Stuivenberg
  • Publication number: 20160044407
    Abstract: Conference Systems are commonly used in meeting rooms or plenary halls to support the discussion of a plurality of participants. Such Conference Systems may comprise more than 50 or 100 microphone equipped delegate units, whereby each delegate unit can be assigned to a participant of the discussion. A delegate unit 1 for a Conference System is proposed, the delegate unit comprises a base body 2, a microphone stem body 3 comprising a microphone head 10 and a stem 11, whereby the microphone head 10 is arranged on the stem 11 and whereby the microphone stem body 3 is arranged on the base body 2, whereby the microphone head 10 has a directional microphone characteristic.
    Type: Application
    Filed: March 15, 2013
    Publication date: February 11, 2016
    Inventors: Chen Tchang, Kees Nuijten, Aldo Van Dijk, Hatem Elayeb, Martien Kas
  • Patent number: 8428236
    Abstract: Conference audio systems are widely known and are usually used in political or economic debates, at fairs and wherever a plurality of people discuss with each other supported by a microphone-amplifier-loudspeaker system. In known systems each delegate of a conference has a seat with a working table in which the microphone and the loudspeaker is integrated.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: April 23, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Marc Smaak, Henk Goudsmits, Chen Tchang
  • Publication number: 20120170768
    Abstract: A delay unit (16) for a conference audio system (1) adapted to delay audio input signals for an adjustable time delay, thereby generating audio output signals, is proposed.
    Type: Application
    Filed: September 3, 2009
    Publication date: July 5, 2012
    Applicant: ROBERT BOSCH GMBH
    Inventors: Marc Smaak, C.P. Janse, Chen Tchang, L.C.A. van Stuivenberg
  • Publication number: 20100215165
    Abstract: Conference audio systems are widely known and are usually used in political or economic debates, at fairs and wherever a plurality of people discuss with each other supported by a microphone-amplifier-loudspeaker system. In known systems each delegate of a conference has a seat with a working table in which the microphone and the loudspeaker is integrated.
    Type: Application
    Filed: June 11, 2008
    Publication date: August 26, 2010
    Inventors: Marc Smaak, Henk Goudsmits, Chen Tchang