Walker to perform with them at ION, and we discuss our plans for the next stage of development. In the following sections we describe the performance of the new transmitters and receivers. Therefore, we believe we are justified in invoicing ION in full for Stage Two of development, even though its completion is at least five weeks behind schedule. We did, however, obtain permission from Matthew Walker to delay shipment by several weeks because we believed that in doing so we could supply circuits far superior to the ones we had available in March. As it is, OSI shipped them on 26th April, five weeks late. Even allowing for the time it took for a United Kingdon check to clear through the United States banking system, these circuits were due on 18th March 2005. should have delivered its Dummy Transmission Circuits within eight weeks of receiving payment for its Technical Proposal. On 28th April 2005 OSI sent an invoice by airmail to ION for £5,000 as agreed upon for the completion of Stage Two.Īccording to the schedule layed down in its Technical Proposal, OSI Inc. These final circuits meet our optimistic performance targets, and complete Stage Two of development. On 26th April 2005 OSI shipped two Transmitters with Logic Chips ( A3004) and two Demodulating Receivers ( A3005) to Matthew at ION by DHL. On 16th February 2005, Kevan Hashemi, President, OSI, visited Matthew Walker at ION and brought him four Transmitters with On-Off Switches ( A3002), which Kevan demonstrated along with the Downshifting Receiver (A3001B). OSI invoiced ION (Institute of Neurology) for £3000 and received payment on 18 January 2005. Open Source Instruments (OSI) submitted its Technical Proposal in November 2004, together with one Miniature Transmitter ( A3001D) and one Downshifting Receiver ( A3001B). Data Transmission and Reception Circuits (8 weeks, £5000).Dummy Transmission Circuits (8 weeks, £5000).Technical Proposal (2 weeks after receipt of purchase order, £3000).We divided our development into four stages, each of which we committed to complete within a number of weeks of receiving payment for the previous stage In our Technical Proposal for the Subcutaneous Transmitter, we layed out our plan for developing a transmitter small enough to be implanted in the body of a rat, fast enough to transmit four hundred sixteen-bit data samples per second, powerful enough to be detected at a range of three meters, and efficient enough to operate for three months on a lithium battery. Dummy Transmission Circuits for Subcutaneous Transmitter Dummy Transmission Circuits for Subcutaneous Transmitter
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