Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Having specialized input
Reexamination Certificate
1999-12-15
2003-03-11
Mai, Tan V. (Department: 2124)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Having specialized input
C708S141000
Reexamination Certificate
active
06532482
ABSTRACT:
INVENTION
This invention relates to a mobile body supported computers and more specifically to a system for reducing the temperature in a body-worn computer.
BACKGROUND OF THE INVENTION
In U.S. Pat. No. 5,305,244 (Newman et al I), a novel body-worn computer voice activated computer is disclosed which is completely supported by a user for hands-free retrieval and display of information. The computing apparatus includes a voice-recognition module, in communication with a processor, for receiving audio commands from the user, for converting the received audio commands into electrical signals, for recognizing the converted electrical signals and for sending the recognized electrical signals to the processor for processing, the voice-recognition module being supported by the user. The computing apparatus further includes a display in communication with the processor for receiving information from the processor and for displaying the received information for the user, the display being supported by the user whereby the user may operate the computing apparatus to display information in a hands-free manner utilizing only audio commands.
The computing apparatus described in U.S. Pat. No. 5,305,244 includes a housing having securing means for removably securing the housing to a user for support by the user. The housing further includes storage means for storing previously entered information, and processor means, communicating with the storage means, for receiving, retrieving and processing information and user commands in accordance with a stored program The computing apparatus also include audio transducer and converter means, in communication with the processor means, for receiving audio commands from the user, for converting the received audio commands into electrical signals, for recognizing the converted electrical signals, and for sending the recognized electrical signals to the processor means, the audio transducer and converter means also being supported by the user. The computing apparatus further includes display means in communication with the processor means for receiving information from the processor means and for displaying the received information for the user, the display means being supported by the user whereby the user may operate the computing apparatus to display information in a hands-free manner utilizing only audio commands.
In a copending U.S. application Ser. No. 08/861,598 filed on May 22, 1997, a hands-free portable computer system similar to that in U.S. Pat. No. 5,305,244 (Newman et al. II) is described; however, various activation means other than voice activation are disclosed. The invention disclosed in Newman et al II is directed to a compact, portable computing apparatus at least part of which is completely supported by a user for hands-free retrieval and display of information for the user. The computing apparatus includes a housing which may or may not have securing means for removably securing the housing to a user for support by the user. Alternatively, the housing may be located in a remote location not attached to the user and apart from the other components. The housing further includes storage means for storing previously entered information, and processor means, communicating with the storage means, for receiving, retrieving, and processing information and user commands in accordance with a stored program. Since large databases of ETMs and IETMs will be accessed by the mobile self-contained computing apparatus, a means of easily interfacing storage means containing the databases is required—The housing of the computing apparatus includes an access port whereby various storage means containing data can be interfaced and communication established. Access and transfer of data between the storage means and the computing apparatus can be accomplished entirely under control of various hands-free activation means described in this application. The access port allows direct electrical attachment of the storage means; however, other wired and wireless connections are also used. The computing apparatus also includes eye tracking, brain actuation means, transducer and converter means with or without audio transducer and converter means in communication with the processor means, for receiving commands from the user, for converting the received commands into electrical signals, for recognizing the converted electrical signals, and for sending the recognized electrical signals to the processor means. The transducer and converter means may or may not be supported by the user. The computing apparatus further includes display means in communication with the processor means for receiving information from the processor means and for displaying the received information for the user, the display means being supported by the user whereby the user may operate the computing apparatus to display information in a hands-free manner utilizing only brain activation or eye tracking with or without audio commands.
In addition to the voice activation means used in Newman et al I as noted earlier, these two other above-noted activation means have been contemplated by the present invention, i.e. eye tracking and brain-activation means (EEG). This invention uses the same general system described in Newman et al I.
In a second co-pending U.S. application Ser. No. 09/092,261 (Toyosato) a body-worn mobile computer is disclosed which comprises a computer housing having a heat insulating surface which fits adjacent a user's body, and heat conducting top and side surfaces which dissipates heat from the internal portion of the housing to the atmosphere. This is to remedy a problem uniquely faced by mobile body-worn computers; that is heat generated by the CPU and conducted to the housing could cause a major problem to wearers. The problems faced with body-worn computers are completely different than those of desk top or laptop computers. Attempts to remedy this heat problem is body-worn computers have led to highly insulate components or housings, but these efforts have resulted in larger and heavier computers; a situation just opposite to the desired goal of smaller and lighter body-worn units. Toyosato also uses heat sinks together with selected materials to alleviate the heat problems in body-worn computers. The disclosures of co-pending applications Ser. Nos. 08/861,598 and 09/092,261 are incorporated by reference into the present disclosure. Other references that deal with heat problems in computers are U.S. Pat. No. 5,559,675 (Hsiek et al), U.S. Pat. No. 5,287,292 Kenny et al, U.S. Pat. No. 5,452,434 (MacDonald) and U.S. Pat. No. 4,980,836 (Carter et al). All of these prior art patents disclose ways for reducing power and heat to desk top computers by the user of mouses or keyboards. As noted earlier, the problems in desk top computers and their solutions do not equate to problems in wearable computers. For one thing, a wearable computer discussed herein are hands-free, whereas desk top or lap top computers require the use of hands. None of the prior art patents noted above teach how hands-free computers can be powered down to reduce heat and power without the use of hands.
In U.S. Pat. No. 5,606,341 (Aguilera) a laptop computer having CPU cooling means is disclosed. In this laptop computer, CPU-generated heat is thermally conducted passively to a radiator-like element disposed behind the LCD, which uses the heat to warm the LCD. The CPU is surrounded by a liquid-tight housing containing a bi-phase coolant. A first tube in fluid communication with an outlet port in the housing conveys heat-vaporized coolant to an input port on the radiator. The coolant flows through a plurality of columns formed in the radiator-like element, transferring heat and condensing in the process. The transferred heat is radiated to the LCD, which is desirably warmed in the process. The condensed coolant is conducted from an export port in the radiator-like element through a second tube to an input port in the housing. A pressure sensor may be included to provide a coolant pressure drop signal t
Mai Tan V.
Ralabate James J.
Xybernaut Corporation
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