Abstract: A static random access memory (SRAM) cell includes a first load device, a first pull-down transistor, and a switch-box coupled between the first load device and the first pull-down transistor. The switch-box is configured to receive a switch control signal to turn off a first connection between the first load device and the first pull-down transistor during read operations of the SRAM cell and to turn on the first connection during write operations.

Abstract: A static random access memory (SRAM) cell includes a first load device, a first pull-down transistor, and a switch-box coupled between the first load device and the first pull-down transistor. The switch-box is configured to receive a switch control signal to turn off a first connection between the first load device and the first pull-down transistor during read operations of the SRAM cell and to turn on the first connection during write operations.

Abstract: An envelope intended for use in both original and return mailings includes a removable and reuseable address label in one of the mail-to and return address locations on the front panel. Removal of the label creates a window, which may optionally be covered by a transparent liner, for viewing an address on a portion of the envelope contents placed behind the window. Removal of the label is facilitated by slit perforations forming portions which may easily be grasped for lifting and removing the label which has an adhesive on its rear surface for affixing it to the envelope in the mail-to or return address location opposite its original position. The envelope flap includes two adhesive-coated areas, separated by perforations, for individual use in the forward and return mailings.

Abstract: An espresso and drip coffee maker has a body on which a hanging member is mounted. The hanging member may be rotated to an operative position for hanging removably a coffee bean container on an upper portion of the body. The body includes a water container, a conduit, and an accumulating chamber therein. A two-way valve is provided for guiding the water in the water container through either the conduit or the accumulating chamber into a steam chamber which is communicated with the coffee bean container. A heating pipe is interposed between the conduit and the accumulating chamber for providing heat to the conduit and the accumulating chamber. A check valve is provided for preventing water or steam from flowing back to the water container through the conduit.