Abstract:
An electrical card connector (100) to be mounted on a printed circuit board and includes: an insulative housing (1) having a first receiving cavity (14) for receiving a first card (300) and a second receiving cavity (13) for receiving a second card (200), and a number of passageways (132), and a number of contacts retained in the passageways respectively. The contacts include a number of first contacts (3) each having a first contacting portion (32) for contacting with the first card, a first soldering portion (35) to be soldered onto the printed circuit board and a first base portion (30) connecting with the first contacting portion and the first soldering portion; a plurality of second contacts (2) spaced from the first contacts, and defining a second base portion (21) and a second contacting portion (22) extending forwardly from the second base portion to contact with the second card. The second contacting portion (22) is deflected to contact with the corresponding first contact upon an abutting engagement between the second contacts and the second card.
Abstract:
The invention discloses maize bZIP transcriptional factors, namely, ABP2, ABP4 and ABP9, the genes encoding these factors, and the use thereof. The transcriptional factors are proteins having an amino acid sequence set forth in SEQ ID NO: 2, 4, or 6, or proteins derived therefrom by substitution, deletion or addition of one or more amino acid residues of SEQ ID NO: 2, 4, or 6, and having the same activity as a protein shown by SEQ ID NO: 2, 4, or 6. The ABP2, ABP4 and ABP9 genes encoding these factors, respectively, are the DNA sequences having an identity of more than 90% with a sequence shown by SEQ ID NO: 1, 3 or 5 and the encoded proteins having such same functions. These genes are important for breeding plant varieties with an enhanced tolerance to abiotic stresses and for improving plant tolerance to abiotic stresses.
Abstract:
A method of carrying SDH services in PON is provided, in which tributary units carrying SDH service data are mapped into payload part of GEM frames, thereby implementing transmission of SDH services in GPON. De-capsulation is performed in reverse process at receiving end. A device of receiving or transmitting SDH services and a method of mapping SDH data frame into PON data frame are also provided. The present invention may be merged with SDH network directly since standard SDH tributary unit structure is adopted, and extraction of virtual containers that includes SDH service data and synchronism can be accomplished conveniently based on pointer adjustment mechanism adopted by tributary units.
Abstract:
Embodiments of the present invention disclose a method for detecting an upstream timeslot conflict in a Passive Optical Network (PON). An Optical Line Terminal (OLT) detects a timeslot conflict in an upstream timeslot. An OLT is provided also, including an optical receiver, an optical transmitter, a control unit and a detection unit. The detection unit receives an optical signal from the optical receiver, samples instantaneous optical power of the optical signal in an upstream timeslot, compares the instantaneous optical power with normal upstream optical power of the upstream timeslot, and detects that a timeslot conflict occurs in the upstream timeslot when the instantaneous optical power exceeds normal upstream optical power of the upstream timeslot. Embodiments of the present invention make the costs lower to detect an upstream timeslot conflict in the PON.
Abstract:
A memory card connector (100) for insertion of a memory card (8) includes an insulative housing (1) defining a cavity (110) for receiving the memory card, a number of contacts (22) with multiple contact portions (221) protruding into the card receiving cavity, a pair of switch contacts (5) and an elastic member (6). The elastic member includes a first spring (61) always abutting against one switch contact (51) and a second spring (62) driven by the inserted memory card to engage the other switch contact (52) in order to achieve switch function.
Abstract:
A method of communicating for a communication apparatus, which includes: a terminal apparatus transmitting the information frames to a central office apparatus; the central office apparatus receiving the information frames and obtaining the terminal apparatus information from the information frames; the central office apparatus processing the information frames transmitted from the terminal apparatus, using the terminal apparatus information obtained from the information frames; whereby communication between the central office apparatus and the terminals of different vendors is implemented.
Abstract:
The invention provides transgenic non-human animals and transgenic non-human mammalian cells harboring a transgene encoding an APP polypeptide comprising the Swedish mutation.
Abstract:
This invention provides a method for upgrading the network rate of a Passive Optical Network (PON), which mainly includes: upgrading the optical fiber line rate of the central office device, and adapting, by the network terminal device, the working rate of the upstream/downstream line automatically to the optical fiber line rate of the central office device according to a downstream data flow transmitted from the central office device. Using the method of this invention, the network rate of the PON can be upgraded without replacing the network terminal and without a manual intervention.
Abstract:
A portable storage device (1) includes a memory device with a USB interface (20) and a protective cap (30) detachably mated with the USB interface. The USB interface may be a conventional one, which has a metal shell (21) defined pair of holes (213) therein. The protective cap has a case (31), a spring member (34) mounted therein and a button (33) engaged the spring member. The spring member defines a hook section (343) thereon to engage with the hole of the USB interface. To press said button inwardly disengages the hook section of the spring member from the hole of the USB connector, thereby detaching the USB interface from the cap.
Abstract:
In a method of accessing a single port memory, a plurality of read commands are received from a plurality of requestors for memory read access. A respective plurality of parameters corresponding to each of the plurality of read commands is stored in a memory read command queue. The parameters corresponding to one of the read commands are retrieved from the memory read command queue when the single port memory provides the data corresponding to that read command. One or more of the parameters from the memory read command queue are provided while providing the data from the memory.