Welch Allyn, Inc.

John W Sims

Robert L Vivenzio

Raymond A Lia

Scott W Osiecki

Dominick A Danna

Staci Ault Mininger

Raymond P Dromms

Thomas J Grant

Timothy W Graham

A blood pressure measuring apparatus includes an inflatable cuff which can be wrapped about the limb of a patient. The sleeve includes a sealed interior capable of inflation, and an integrated inflation/measuring device. The integrated device is an elastomeric enclosure which retains a gage and a pneumatic bulb therein and hosing for fluidly interconnecting the pneumatic bulb, the inflatable cuff, and the gage.

Hand-held blood pressure measuring apparatus

An apparatus for measuring a physical quantity or parameter includes a housing having a supportably mounted shaft member. A first end of the shaft member is placed in proximity with the output of a displacement device which is responsive to a change in the physical quantity. A ribbon spring member is coaxially disposed and wound helically about the supported shaft member, one end of the spring member being attached to the shaft and a remaining end to a supporting structure. Based on a change in the physical quantity, (pressure, velocity, temperature, etc.), the output of the displacement device engages the shaft member, which axially displaces and rotates due to the constraint of the ribbon spring member. The rotation of the shaft member produces a corresponding angular deflection of an attached pointer relative to readable indicia.

Physical quantity measuring device

A one piece electrode is disclosed for use in miniature and subminiature lamps having a large diameter post section and a smaller diameter lead-in section. The lead-in section is formed by an electrochemical process from a wire that has an outer diameter equal to the desired post diameter. A smooth evenly tapered transition section between the post and lead-in sections is created during the etching process which permits heat to pass through the electrode at a controlled and predictable rate.

Method for forming tungsten electrode

A one piece electrode for use in miniature and subminiature lamps having a large diameter post section and a smaller diameter lead-in section. The lead-in section is formed by an electrochemical process from a wire that has an outer diameter equal to the desired post diameter. A smooth evenly tapered transition section between the post and lead-in sections is created during the etching process which permits heat to pass through the electrode at a controlled and predictable rate.

Etched electrode for metal halide discharge lamps

A low power metal halide discharge lamp having an improved electrode structure. Two elongated electrodes fabricated of a doped tungsten each extend axially through a respective neck of a bulb into an arc chamber. Each of electrode comprises a lead-in wire having a diameter ranging between about 0.003 to 0.018 inches that enters the arc chamber. A post member is mounted on the lead-in wire, out of contact with the associated neck, and is preferably welded to the lead-in. The post member has a flat distal surface for transferring heat to vapors in said arc chamber. It is larger in diameter than its associated lead-in wire, and has a diameter in a range of 0.005 to 0.040 inches. The flat distal surfaces of the two post members face one another in spaced apart relationship, the space therebetween forming an arc gap. In operation the distal surfaces of the post members have relatively large areas in contact with vapors in the arc chamber for heat transfer, and the heat is sufficiently dispersed in the distal region of the post members to prevent burn back.

Growing community of inventors

Weedsport, NY, United States of America

John W Sims