摘要:
A loading and unloading device and method for a quartz reaction tube of a semiconductor diffusion equipment are provided; the loading and unloading device is used in combination with a lifting device of the quartz reaction tube; the lifting device has an interface flange that can be connected to the reaction tube. The loading and unloading device includes a translation drive structure, a linear guide rail, a bracket, and an auxiliary support structure to detachably fix the quartz reaction tube. During the loading procedure, the auxiliary support structure is mounted on the bracket; the front end of the translation drive structure is docked with the doorframes of the semiconductor diffusion equipment through a fixing structure, and the quartz reaction tube is docked with the interface flange of the lifting device by horizontally moving the bracket along the linear guide rail.
摘要:
A method for scheduling messages transmitted on a forward common channel of a CDMA system. The method includes determining the ratio between the slotted and unslotted messages transmitted over the forward common channel over a period of time. For each time slot S(i) of the forward common channel, s % time is allocated from the duration of the time slot to slotted messages and u % time is allocated from the duration of the time slot to unslotted messages. The s % time and u % time are determined based on the ratio between the slotted and unslotted messages transmitted over the forward common channel over a period of time.
摘要:
One embodiment of the present invention is a system for identifying a human being from movement of the human being. The system includes a dual element pyroelectric detector, a Fresnel lens array, and a processor. The dual element pyroelectric detector detects radiation from the human being as the human being moves over time. The Fresnel lens array is located between the dual element pyroelectric detector and the human being. The Fresnel lens array improves collection efficiency and spatial resolution of the dual element pyroelectric detector. The Fresnel lens array includes a mask. The mask provides at least one zone of visibility. The processor is coupled to the dual element pyroelectric detector, the processor converts the detected radiation to a spectral radiation signature. The processor compares the spectral radiation signature to at least a second spectral radiation signature to identify the human being.
摘要:
A system identifies a human being from the movement of the human being. The system includes a dual element pyroeleetric detector, a Fresnel lens array, and a processor. The dual element pyroelectric detector detects radiation from the human being as the human being moves over time. The Fresnel lens array is located between the dual element pyroelectric detector and the human being. The Fresnel lens array improves collection efficiency and spatial resolution of the dual element pyroelectric detector. The Fresnel lens array includes a mask. The mask provides at least one zone of visibility. The processor is coupled to the dual element pyroelectric detector, the processor converts the detected radiation to a spectral radiation signature. The processor compares the spectral radiation signature to at least a second spectral radiation signature to identify the human being.
摘要:
The present invention discloses a keyboard with less keys to input English words incessantly and an input method, wherein the key arrangement of the said keyboard may use the present or specially arranged computer keyboard, phone set keyboard, etc., to encode the English words with 2-13 keys, and build an English word encoding Database, according to the statistics of repeated code of a large number of English words, so we can Ceaselessly input the English words by means of said 2-13 keys in accordance with the correct spell rules or the affix simplifying rules of the English Words.
摘要:
Using the present cryptographic key exchange protocol, a first of two cryptographic units selects quantities "A" and "B." That same unit then applies a mathematical function ".PHI..sub.1 " to A and B to compute a third quantity "C.". A and B and the function .PHI..sub.1 posses the property that knowing A or B, and C, and the function .PHI..sub.1, it is mathematically impossible to compute the unknown quantity B or A. The first unit then transmits A together C to the second unit while retaining B. The second unit selects a fourth quantity "D" and then applies a second mathematical function .PHI..sub.2 to A and D to compute a quantity "E" which the second unit transmits to the first unit while retaining D. The quantities A and D and the function .PHI..sub.2 must posses the property that knowing D and E, and the function .PHI..sub.2, it is mathematically impossible to compute the unknown quantity D. Then the second unit applies a third mathematical function ".PSI..sub.2 " to D and C to compute the key "K." The first unit upon receiving the quantity E then applies a fourth mathematical function .PSI..sub.1 to B and E to also compute the key K.
摘要:
A loading and unloading device and method for a quartz reaction tube of a semiconductor diffusion equipment are provided; the loading and unloading device is used in combination with a lifting device of the quartz reaction tube; the lifting device has an interface flange that can be connected to the reaction tube. The loading and unloading device includes a translation drive structure, a linear guide rail, a bracket, and an auxiliary support structure to detachably fix the quartz reaction tube. During the loading procedure, the auxiliary support structure is mounted on the bracket; the front end of the translation drive structure is docked with the doorframes of the semiconductor diffusion equipment through a fixing structure, and the quartz reaction tube is docked with the interface flange of the lifting device by horizontally moving the bracket along the linear guide rail.