Patents by Inventor Jae-Min Cha

Jae-Min Cha 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: 9843375
    Abstract: An electronic device is provided. The electronic device includes a first antenna, a second antenna, a transmission/reception path unit, a first reception path unit, a second reception path unit including a low noise amplifier (LNA), a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit, and a radio frequency integrated circuit (RFIC) module or a processor including the RFIC module configured to control the signal path selection unit to have a first state in which the first antenna is connected to the transmission/reception path unit and the second antenna is connected to the second reception path unit or control the signal path selection unit to have a second state in which the first antenna is connected to the first reception path unit and the second antenna is connected to the transmission/reception path unit.
    Type: Grant
    Filed: June 9, 2016
    Date of Patent: December 12, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Soo Kim, Min-Chull Paik, Jong-In Lee, Chang-Won Jang, Seung-Min Lee, Jae-Min Cha
  • Publication number: 20160365909
    Abstract: An electronic device is provided. The electronic device includes a first antenna, a second antenna, a transmission/reception path unit, a first reception path unit, a second reception path unit including a low noise amplifier (LNA), a signal path selection unit configured to connect each of the first antenna and the second antenna to the transmission/reception path unit, the first reception path unit, or the second reception path unit, and a radio frequency integrated circuit (RFIC) module or a processor including the RFIC module configured to control the signal path selection unit to have a first state in which the first antenna is connected to the transmission/reception path unit and the second antenna is connected to the second reception path unit or control the signal path selection unit to have a second state in which the first antenna is connected to the first reception path unit and the second antenna is connected to the transmission/reception path unit.
    Type: Application
    Filed: June 9, 2016
    Publication date: December 15, 2016
    Inventors: Sung-Soo KIM, Min-Chull PAIK, Jong-In LEE, Chang-Won JANG, Seung-Min LEE, Jae-Min CHA
  • Patent number: 6788962
    Abstract: Disclosed is a method of enhancing key functions in a mobile telecommunication terminal, and particularly a method of enhancing key functions in a key input section by having at least one or more separate keys. The method according to the invention includes the steps of confirming the kind of a special functional key, if inputted, waiting for an input of the key in the key input section if the inputted special functional key is a key for performing a separate function corresponding to the key in the key input section, and performing a function of the table corresponding to the key of the key input section, if inputted.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: September 7, 2004
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jae-Min Cha
  • Publication number: 20010006904
    Abstract: Disclosed is a method of enhancing key functions in a mobile telecommunication terminal, and particularly a method of enhancing key functions in a key input section by having at least one or more separate keys. The method according to the invention includes the steps of confirming the kind of a special functional key, if inputted, waiting for an input of the key in the key input section if the inputted special functional key is a key for performing a separate function corresponding to the key in the key input section, and performing a function of the table corresponding to the key of the key input section, if inputted.
    Type: Application
    Filed: December 28, 2000
    Publication date: July 5, 2001
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Jae-Min Cha