Patents by Inventor Chi-Chung Lu

Chi-Chung Lu 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).

  • Publication number: 20210297068
    Abstract: In some embodiments, a flip-flop is disposed as an integrated circuit layout on a flip-flop region of a semiconductor substrate. The flip-flop includes a first clock inverter circuit that resides within the flip-flop region, and a second clock inverter circuit residing within the flip-flop region. The first clock inverter circuit and the second clock inverter circuit are disposed on a first line. Master switch circuitry is made up of a first plurality of devices which are circumscribed by a master switch perimeter that resides within the flip-flop region of the integrated circuit layout. The master switch circuitry and the first clock inverter circuit are disposed on a second line perpendicular to the first line. Slave switch circuitry is operably coupled to an output of the master switch circuitry. The slave switch circuitry is made up of a third plurality of devices that are circumscribed by a slave switch perimeter.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Inventors: Chi-Lin Liu, Ting-Wei Chiang, Jerry Chang-Jui Kao, Hui-Zhong Zhuang, Lee-Chung Lu, Shang-Chih Hsieh, Che Min Huang
  • Publication number: 20210294957
    Abstract: A method of manufacturing a semiconductor device includes forming a transistor layer with an M*1st layer that overlays the transistor layer with one or more first conductors that extend in a first direction. Forming an M*2nd layer that overlays the M*1st layer with one or more second conductors which extend in a second direction. Forming a first pin in the M*2nd layer representing an output pin of a cell region. Forming a long axis of the first pin substantially along a selected one of the one or more second conductors. Forming a majority of the total number of pins in the M*1st layer, the forming including: forming second, third, fourth and fifth pins in the M*1st layer representing corresponding input pins of the circuit; and forming long axes of the second to fifth pins substantially along corresponding ones of the one or more first conductors.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Inventors: Pin-Dai SUE, Po-Hsiang HUANG, Fong-Yuan CHANG, Chi-Yu LU, Sheng-Hsiung CHEN, Chin-Chou LIU, Lee-Chung LU, Yen-Hung LIN, Li-Chun TIEN, Yi-Kan CHENG
  • Publication number: 20210294958
    Abstract: A logic circuit including first and second inverters, first and second NAND circuits, a transmission gate, and a transmission-gate-substitute (TGS) circuit, and wherein: for each of the first and second NAND circuits, a first input is configured to receive corresponding first and second data signals, and a second input is configured to receive an enable signal; the first inverter is configured to receive an output of the first NAND circuit; the transmission gate and the TGS circuit are arranged as a combination circuit which is configured to receive an output of the second NAND circuit as a data input, and outputs of the first inverter and the second NAND circuit as control inputs; the second inverter is configured to receive an output of the combination circuit; and an output of the second inverter represents one of an enable XOR (EXOR) function or an enable XNR (EXNR) function.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventors: Chi-Lin LIU, Jerry Chang-Jui KAO, Wei-Hsiang MA, Lee-Chung LU, Fong-Yuan CHANG, Sheng-Hsiung CHEN, Shang-Chih HSIEH
  • Patent number: 8254094
    Abstract: A protection mechanism used for in an electronic device includes a main body and two pivoting members. The main body is capable of receiving and protecting the electronic device, and the pivoting members are rotatably positioned on the main body. The pivoting members are capable of locking and protecting the electronic device. An electronic device employing the protection mechanism is also described. The protection mechanism can simply secure and unlock the electronic device through the pivoting members, which is easy to operate. Moreover, the electronic device can not fall from the protection mechanism because of the cooperation between the pivoting members and the holding member.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: August 28, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Patent number: 8090413
    Abstract: A portable electronic device includes a main body, a slidable cover, a display panel, a sensor, and a controlling module. The slidable cover is slidably positioned on the main body. The display panel is positioned on the slidable cover. The sensor is configured to detect a position of the slidable cover relative to the main body. The controlling module is configured to output icons and data to the display panel, and to adjust an area of each icon displayed on the display panel according to a position, detected by the sensor, of the slidable cover relative to the main body.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: January 3, 2012
    Assignee: Chi Mei Communication Systems, Inc.
    Inventors: Chung-Ching Lin, Chi-Chung Lu
  • Patent number: 8059419
    Abstract: A chip card holder, for securing a chip card in an electronic device, includes a housing and a locking member, the housing defines an assembling recess for receiving a chip card, the assembling recess has a slant wall defining a through cutout; the housing defines a latching hole in line with the cutout. The locking member forms a protrusion. when a chip card is disposed in the assembling recess, the locking member passes through the cutout and presses the chip card, the protrusion of the locking member is latched into the latching hole, the chip card is secured by the locking member.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: November 15, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Publication number: 20110188181
    Abstract: A protection mechanism used for in an electronic device includes a main body and two pivoting members. The main body is capable of receiving and protecting the electronic device, and the pivoting members are rotatably positioned on the main body. The pivoting members are capable of locking and protecting the electronic device. An electronic device employing the protection mechanism is also described. The protection mechanism can simply secure and unlock the electronic device through the pivoting members, which is easy to operate. Moreover, the electronic device can not fall from the protection mechanism because of the cooperation between the pivoting members and the holding member.
    Type: Application
    Filed: June 11, 2010
    Publication date: August 4, 2011
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHI-CHUNG LU
  • Patent number: 7949379
    Abstract: A foldable electronic device (100) includes a cover (10) having a side barrel (132) and a main body (20) rotatably connected to the cover. The main body includes a body shell (21) accommodating a plurality of electronic components therein, a central barrel (244) formed at one end of the body shell, and an antenna seat (23) attached to an opposite end of the body shell. The side barrel of the cover is located adjacent to the central barrel of the main body.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: May 24, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Patent number: 7872863
    Abstract: A portable electronic device comprises a main body, a sliding cover slidably mounted on the main body, a flipping cover rotatably mounted on one end of the main body, and a transmission mechanism connecting the flipping cover to the sliding cover such that when the flipping cover rotates relative to the main body, the sliding cover slides relative to the main body.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: January 18, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Patent number: 7867645
    Abstract: A latching mechanism of a battery cover assembly (100) is provided. The battery cover assembly includes a battery cover (20) and a housing (10). The latching mechanism includes a limiting mechanism, a hinged mechanism, at least one latching portion (133), and at least one latching arm (28). The limiting mechanism is configured to prevent the battery cover from accidentally detaching from the housing. The hinged mechanism is configured to facilitate both rotation and sliding of the battery cover relative to the housing. Each latching portion is formed on the housing, and each latching arm is formed on the battery cover. The latching arm elastically engages with a respective latching portion in such manner that the battery cover is latched to the housing.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: January 11, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Patent number: 7746635
    Abstract: A chip card catching mechanism installed in a body of a portable electronic device for receiving and securing a chip card is provided. The chip card catching mechanism includes a base, a housing, and a hatch. The base includes a connector arranged thereon for electrically connecting to the chip card. The housing includes a top cover and a circumferential wall extending from edges of the top cover. The top cover is arranged over the connector of the base with the wall therebetween and a hatchway is defined on the circumferential wall. The hatch is rotatably fixed to on two sides of the hatchway for exposing or hiding the hatchway. Further, a portable electronic device using the chip card catching mechanism is also provided.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: June 29, 2010
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Publication number: 20100053917
    Abstract: A chip card holder, for securing a chip card in an electronic device, includes a housing and a locking member, the housing defines an assembling recess for receiving a chip card, the assembling recess has a slant wall defining a through cutout; the housing defines a latching hole in line with the cutout. The locking member forms a protrusion. when a chip card is disposed in the assembling recess, the locking member passes through the cutout and presses the chip card, the protrusion of the locking member is latched into the latching hole, the chip card is secured by the locking member.
    Type: Application
    Filed: August 3, 2009
    Publication date: March 4, 2010
    Applicant: Chi Mei Communication Systems, Inc.
    Inventor: CHI-CHUNG LU
  • Publication number: 20100035659
    Abstract: A portable electronic device includes a main body, a slidable cover, a display panel, a sensor, and a controlling module. The slidable cover is slidably positioned on the main body. The display panel is positioned on the slidable cover. The sensor is configured to detect a position of the slidable cover relative to the main body. The controlling module is configured to output icons and data to the display panel, and to adjust an area of each icon displayed on the display panel according to a position, detected by the sensor, of the slidable cover relative to the main body.
    Type: Application
    Filed: December 30, 2008
    Publication date: February 11, 2010
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventors: CHUNG-CHING LIN, CHI-CHUNG LU
  • Publication number: 20100027203
    Abstract: A latch for a housing includes a first housing, a second housing, and a latching member to latch the first housing and the second housing, the first housing has a first aperture having two aperture sections therein. The second housing has a second aperture corresponding to the first aperture. The latching member includes a latching portion, the first housing engages with the second housing, the first aperture aligns with the second aperture, the latching portion passes through the first aperture and the second aperture and slides from an aperture section into another aperture section to fix the first housing and the second housing.
    Type: Application
    Filed: July 15, 2009
    Publication date: February 4, 2010
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: Chi-Chung Lu
  • Publication number: 20090323278
    Abstract: A portable electronic device comprises a main body, a sliding cover slidably mounted on the main body, a flipping cover rotatably mounted on one end of the main body, and a transmission mechanism connecting the flipping cover to the sliding cover such that when the flipping cover rotates relative to the main body, the sliding cover slides relative to the main body.
    Type: Application
    Filed: April 24, 2009
    Publication date: December 31, 2009
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHI-CHUNG LU
  • Patent number: 7586753
    Abstract: A portable electronic device (100) includes an upper housing (40), a circuit board (10), a display (12), a battery (14), and a lower housing (20). The upper housing defines a display section (424) therein. The circuit board has a top surface (11) and a bottom surface (13) at an opposite side of the top surface. The display is seen outwardly through the display section. The battery and the display are formed adjacent to each other on the top surface of the circuit board. The circuit board, the battery and the display are placed in-between the lower housing and the upper housing. The upper housing is detachably mounted to the lower housing for detachably holding the battery.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: September 8, 2009
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chi-Chung Lu
  • Publication number: 20090141445
    Abstract: A chip card catching mechanism installed in a body of a portable electronic device for receiving and securing a chip card is provided. The chip card catching mechanism includes a base, a housing, and a hatch. The base includes a connector arranged thereon for electrically connecting to the chip card. The housing includes a top cover and a circumferential wall extending from edges of the top cover. The top cover is arranged over the connector of the base with the wall therebetween and a hatchway is defined on the circumferential wall. The hatch is rotatably fixed to on two sides of the hatchway for exposing or hiding the hatchway. Further, a portable electronic device using the chip card catching mechanism is also provided.
    Type: Application
    Filed: May 12, 2008
    Publication date: June 4, 2009
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHI-CHUNG LU
  • Publication number: 20090124307
    Abstract: A foldable electronic device (100) includes a cover (10) having a side barrel (132) and a main body (20) rotatably connected to the cover. The main body includes a body shell (21) accommodating a plurality of electronic components therein, a central barrel (244) formed at one end of the body shell, and an antenna seat (23) attached to an opposite end of the body shell. The side barrel of the cover is located adjacent to the central barrel of the main body.
    Type: Application
    Filed: December 27, 2007
    Publication date: May 14, 2009
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHI-CHUNG LU
  • Publication number: 20080304216
    Abstract: A portable electronic device (100) includes an upper housing (40), a circuit board (10), a display (12), a battery (14), and a lower housing (20). The upper housing defines a display section (424) therein. The circuit board has a top surface (11) and a bottom surface (13) at an opposite side of the top surface. The display is seen outwardly through the display section. The battery and the display are formed adjacent to each other on the top surface of the circuit board. The circuit board, the battery and the display are placed in-between the lower housing and the upper housing. The upper housing is detachably mounted to the lower housing for detachably holding the battery.
    Type: Application
    Filed: December 14, 2007
    Publication date: December 11, 2008
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHI-CHUNG LU
  • Publication number: 20080193837
    Abstract: A latching mechanism of a battery cover assembly (100) is provided. The battery cover assembly includes a battery cover (20) and a housing (10). The latching mechanism includes a limiting mechanism, a hinged mechanism, at least one latching portion (133), and at least one latching arm (28). The limiting mechanism is configured to prevent the battery cover from accidentally detaching from the housing. The hinged mechanism is configured to facilitate both rotation and sliding of the battery cover relative to the housing. Each latching portion is formed on the housing, and each latching arm is formed on the battery cover. The latching arm elastically engages with a respective latching portion in such manner that the battery cover is latched to the housing.
    Type: Application
    Filed: June 27, 2007
    Publication date: August 14, 2008
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: CHI-CHUNG LU