 Wireless event-recording device with identification codes |
| The present invention provides a device that can be interrogated to determine its identity and its ... |
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| Fluid dynamic linear accelerometer |
| It is therefore an object of the present invention to provide a fluid dynamic linear accelerometer. ... |
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| Acceleration sensing ring laser gyroscope |
| The present invention discloses a ring laser gyroscope that functions both as a standard gyroscope ... |
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| Micromechanical angular accelerometer with auxiliary linear accelerometer |
| OF THE INVENTION Referring to FIGS. 1 and 2, a micromechanical accelerometer 20 comprises a ... |
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| Vibrators vibratory gyroscopes a method of detecting a turning angular rate and a linear accelerometer |
| However, such a vibrator does not necessarily have sufficiently high sensitivity. Moreover, noise, ... |
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| Method and apparatus for tracking objects and people |
| OF THE PREFERRED EMBODIMENTS Referring now to the drawings wherein like reference numerals ... |
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| Time slot arrangements for local area network systems |
| According to the invention there is provided a communication system comprising a common ... |
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| Sequence synchronization |
| We claim: 1. Apparatus for transmitting a data sequence from a transmitter to a receiver, including ... |
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Communications systems and methods
| Details |
Inventors: Tice, Lee D.; McCuen, Steven W.; Kurtz, Edward J.; Hawkinson, Daniel C.;
Assignee: Pittway Corporation (Chicago, IL)
Primary Examiner: Crosland; Donnie L.
Assistant Examiner:
Attorney, Agent or Firm: Rockey, Milnamow & Katz, Ltd.
The members of a multi-processor communication system can be loaded with a common set of control programs. Subsequently, the functionality of the various processors can be specified by providing linking information to the respective processors. The linking information specifies which control programs, in which order, are to be executed by a respective processor. Processors can be associated with or bound to a respective system using encrypted control codes. The functional integrity of one or more modules at a respective processor can be verified. |
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DETAILED DESCRIPTION In accordance with the present invention, processors in electrical devices which are a part of a multiple processor communication system can be loaded with a variety of executable programs or data files during the manufacturing or installation cycle.
At some point during the manufacturing process or at installation, one or more identifiers can be provided to each respective device.
The identifiers can, for example, be stored in non-volatile memory such as EEPROM.
The identifiers link together in some fashion, determined at either the manufacturing or installation time, a plurality of the prestored executable programs and perhaps related data files which are included in a universe of programs and data files commonly loaded into the non-volatile memories, such as ROM or EEPROM memories of the respective processors.
In one aspect, the identifiers can be loaded into the device after the device has been coupled to the communications system.
In such an instance, the identifier or identifiers can be transmitted from another processor in the system.
Alternately, an off-line programming unit can be used to provide the necessary identifier or identifiers to the respective device.
The identifier or identifiers enable the respective device to select an appropriate subset of executable programs and/or data files to be used to carry out a predetermined function.
An advantage of the above-described system and method is that during the manufacturing phase, only one type of electrical device need be manufactured to satisfy the requirements of a wide variety of installations.
In one aspect, and without limitation, some of the devices can include an ambient condition sensor.
Different marketable products can be created by providing different identifiers, which select among the available executable code and available data files, to provide a specific predetermined function using the same hardware.
In yet another aspect, executable code and data files can be received from another processor or processors over an associated wired or wireless communications link in the system
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