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The device was developed by
Michael J. Freeman and installed in robot form in a New York City School in a Fourth grade class, as a teacher's assistant. The computer had biographical information of those students whom it was programmed to teach in addition to curriculum data. Leachim could teach a
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to create understandable speech (i.e. verbal output). This method combined phonemes, words, and sentences to form verbal responsive messages when prompted by the computer. The device received attention on a world-wide basis because hundreds of articles were written about it.
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Spectra 70 series of computers. Leachim could simultaneously interact with multiple students and keep track of their progress individually. Its body was made of wood and there were internal mechanics so parts such as the arms and head could move.
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Later a toy inspired version of
Leachim called "2-XL Robot" was introduced. The toy was mass-produced in many countries by
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On June 12, 1975, Leachim was stolen while being trucked back to NY from a 1-hour appearance on the
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After it was stolen, Leachim built another more advanced version.
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Maccarone, Grace; Krulik, Nancy E.; Epstein, Jolie (1985-04-01).
172:. World Future Society. 1978. pp. 152, 357, 359, 360, 361.
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number of students simultaneously through the use of headsets.
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and demonstrated how voice branching could be done quickly via
332:"Lloyd's Is Offering $ 7,500 for Return Of Purloined Robot"
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Leachim remained active for three years from 1972 to 1975.
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143:"1960 - Rudy the Robot - Michael Freeman (American)"
89:and despite an FBI investigation and a reward from
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304:Gibson, Janice T.; Gibson-Cline, Janice (1980).
104:The computer part of the robot was built from
392:The P.T.A. Magazine: National Parent Teacher
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213:. Scholastic Paperbacks (T). p. 27.
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407:"Remembering the First Smart Toy: 2-XL"
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366:Robots: fact, fiction, and prediction
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31:Leachim with the 3rd grade students.
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269:. New York Media, LLC. 1979-07-30.
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395:. Child Welfare Company. 1972.
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281:"16.4.2 - Robots and Robotics"
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369:. Viking Press. p. 109.
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307:Psychology for the classroom
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448:Speech processing software
234:Krasnoff, Barbara (1982).
121:in the 1980s and later by
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363:Reichardt, Jasia (1978).
240:. Arco Pub. p. 118.
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184:"World of 2-XL: Leachim"
93:, it was not recovered.
63:Diphone synthetic speech
61:was an early example of
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16:Synthetic speech device
237:Robots, reel to real
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336:The New York Times
41:Michael J. Freeman
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310:. Prentice-Hall.
285:www.xenology.info
266:New York Magazine
147:cyberneticzoo.com
123:Tiger Electronics
91:Lloyd's of London
87:Phil Donahue Show
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151:. Retrieved
149:. 2010-09-13
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210:Real Robots
432:Categories
417:2019-06-01
349:2019-06-01
290:2019-06-01
193:2019-06-21
153:2019-06-21
129:References
344:0362-4331
443:Robotics
100:Hardware
51:Teaching
37:Inventor
74:History
59:Leachim
47:Purpose
20:Leachim
438:Robots
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371:ISBN
340:ISSN
312:ISBN
242:ISBN
215:ISBN
113:2-XL
106:RCA
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