Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 4023024 | Electronic urn decision device A probabilistic decision making device produces an "Accept" decision when a predetermined ratio of input 1's to 0's is established for a predetermined total amount of binary information. The decision making process in essence is an implementation of proba... | 05/10/1977 |
| 4020489 | Sequential observer multi-functional friend accept decider A Friend-Accept decision is made based upon the accumulated value of only a imited number of responses to interrogations. A correct reply causes the accumulated value to increase by a weighted value Ua, while other than a correct response causes... | 04/26/1977 |
| 3983482 | Delayed pulse transmission systems 1. In combination, means normally unblocked for receiving incident wave energy pulses, a multi-resonant cavity supplied with the received pulses for storage of the radio frequency energy in said pulses, means normally blocked to be supplied with the recei... | 09/28/1976 |
| 3981009 | Bernoulli-DeMoivre sliding window friend-accept decider A technique for making IFF Friend-Accept decisions based upon either receng Ta correct replies in any consecutive sequence of W responses in a larger, predetermined number N of responses, or receiving a consecutive series of a predetermined nu... | 09/14/1976 |
| 3977001 | Friend-accept decider test simulator A technique for testing decision-making devices of the Yes-No, or friend ept type in order to determine their operating performance characteristics. Binary information having predetermined characteristics is applied to a device under test, and response b... | 08/24/1976 |
| 3956747 | Radar system comprising a primary radar device and a secondary radar device A radar arrangement utilizes a rotating or pivotal antenna lobe and a primary radar device operating with a doppler evaluation system and a secondary radar device equipped with a rotating or pivotal antenna lobe wherein a certain time period (processing t... | 05/11/1976 |
| 3949397 | Identification - friend or foe system and method Identification -- friend or foe systems which utilize computer control continuously changing interrogation signals and responding signals have been developed. The signals are varied in a time dependent manner, however, it is possible that an intruder migh... | 04/06/1976 |
| 3945006 | Radio frequency coding system 2. In combination, a radar locator system, a pulse generator operable to duce pulse transmissions comprising one or more time spaced pulses occurring in any of a plurality of fixed time positions to form a plurality of different pulse code patterns which... | 03/16/1976 |
