Analog data generating and processing device for use with a personal computer

DC CAFC

US 8,504,746 B2
Filed: 09/27/2010
Issued: 08/06/2013
Est. Priority Date: 03/04/1997
Status: Expired due to Term

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1. An analog data acquisition device operatively connectable to a computer through a multipurpose interface of the computer, the computer having an operating system programmed so that, when the computer receives a signal from the device through said multipurpose interface of the computer indicative of a class of devices, the computer automatically activates a device driver corresponding to the class of devices for allowing the transfer of data between the device and the operating system of the computer, the analog data acquisition device comprising:

a) a program memory;

b) an analog signal acquisition channel for receiving a signal from an analog source;

c) a processor operatively interfaced with the multipurpose interface of the computer, the program memory, and a data storage memory when the analog data acquisition device is operational;

d) wherein the processor is configured and programmed to implement a data generation process by which analog data is acquired from the analog signal acquisition channel, the analog data is processed and digitized, and the processed and digitized analog data is stored in a file system of the data storage memory as at least one file of digitized analog data;

e) wherein when the analog acquisition device is operatively interfaced with the multipurpose interface of the computer, the processor executes at least one instruction set stored in the program memory and thereby automatically causes at least one parameter indicative of the class of devices to be sent to the computer through the multipurpose interface of the computer, independent of the analog source, wherein the analog data acquisition device is not within the class of devices; and

f) wherein the processor is further configured and programmed to execute at least one other instruction set stored in the program memory to thereby allow the at least one file of digitized analog data acquired from the analog signal acquisition channel to be transferred to the computer using the device driver corresponding to said class of devices so that the analog data acquisition device appears to the computer as if it were a device of the class of devices;

whereby there is no requirement for any user-loaded file transfer enabling software to be loaded on or installed in the computer in addition to the operating system.

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Abstract

An interface device (10) provides fast data communication between a host device with input/output interfaces and a data transmit/receive device, wherein the interface device (10) comprises a processor means (13), a memory means (14), a first connecting device (12) for interfacing the host device with the interface device, and a second connecting device (15) for interfacing the interface device (10) with the data transmit/receive device. The interface device (10) is configured by the processor means (13) and the memory means (14) in such a way that, when receiving an inquiry from the host device via the first connecting device (12) as to the type of a device attached to the host device, regardless of the type of the data transmit/receive device, the interface device sends a signal to the host device via the first connecting device (12) which signals to the host device that it is communicating with an input/output device.

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35 Claims

1. An analog data acquisition device operatively connectable to a computer through a multipurpose interface of the computer, the computer having an operating system programmed so that, when the computer receives a signal from the device through said multipurpose interface of the computer indicative of a class of devices, the computer automatically activates a device driver corresponding to the class of devices for allowing the transfer of data between the device and the operating system of the computer, the analog data acquisition device comprising:
- a) a program memory;
  
  b) an analog signal acquisition channel for receiving a signal from an analog source;
  
  c) a processor operatively interfaced with the multipurpose interface of the computer, the program memory, and a data storage memory when the analog data acquisition device is operational;
  
  d) wherein the processor is configured and programmed to implement a data generation process by which analog data is acquired from the analog signal acquisition channel, the analog data is processed and digitized, and the processed and digitized analog data is stored in a file system of the data storage memory as at least one file of digitized analog data;
  
  e) wherein when the analog acquisition device is operatively interfaced with the multipurpose interface of the computer, the processor executes at least one instruction set stored in the program memory and thereby automatically causes at least one parameter indicative of the class of devices to be sent to the computer through the multipurpose interface of the computer, independent of the analog source, wherein the analog data acquisition device is not within the class of devices; and
  
  f) wherein the processor is further configured and programmed to execute at least one other instruction set stored in the program memory to thereby allow the at least one file of digitized analog data acquired from the analog signal acquisition channel to be transferred to the computer using the device driver corresponding to said class of devices so that the analog data acquisition device appears to the computer as if it were a device of the class of devices;
  
  whereby there is no requirement for any user-loaded file transfer enabling software to be loaded on or installed in the computer in addition to the operating system.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
- - 2. The analog data acquisition device of claim 1, wherein the analog data acquisition device is a stand alone device.
  - 3. The analog data acquisition device of claim 1, wherein the analog data acquisition device includes a SCSI interface circuit.
  - 4. The analog data acquisition device of claim 1, wherein the analog data acquisition device is designed so that the analog source is detachable.
  - 5. The analog data acquisition device of claim 1 configured to allow for a plurality of different data transmit devices to be attached thereto and detached therefrom.
  - 6. The analog data acquisition device of claim 1, wherein the processor is adapted to be interfaced with the multi-purpose interface of an external computing device by means of a cable.
  - 7. The analog data acquisition device of claim 1, wherein the analog source comprises a data transmit/receive device.
  - 8. The analog data acquisition device of claim 7, wherein the analog source is designed for one of one-way and two-way communication with the host device.
  - 9. The analog data acquisition device of claim 1, wherein the processor converts the digitized analog data acquired from the analog signal acquisition channel to a form that simulates data from a hard disk and transfers that converted data to the computer through the multipurpose interface such that the converted data appears to the computer as data from a hard disk.
  - 10. The analog data acquisition device of claim 1 further comprising a plurality of independent analog signal acquisition channels, each of the plurality of channels operatively coupled to the processor for operatively coupling to one of a plurality of analog sources such that analog data is simultaneously acquired from at least two of the plurality of channels, is digitized and is coupled into the processor and is processed by the processor.
  - 11. The analog data acquisition device of claim 1, wherein the processor allows for a plurality of different data transmit devices to be attached thereto and detached therefrom.
  - 12. The analog data acquisition device of claim 1, wherein the processor is designed so that a user can attach the analog source thereto or detach the analog source therefrom.
  - 13. The analog data acquisition device of claim 1, wherein the analog source comprises a multimeter.
  - 14. The analog data acquisition device of claim 1, wherein the analog source includes at least first and second transducers both of which are designed to transmit data.
  - 15. The analog data acquisition device of claim 1, wherein the at least one parameter is consistent with the analog data acquisition device being responsive to a SCSI inquiry command.
  - 16. The analog data acquisition device of claim 1, wherein the analog source is a medical device.
  - 17. The analog data acquisition device of claim 1, wherein the processor is configured to cause acquired analog data file system information to be automatically sent to the multi-purpose interface after the at least one parameter has been sent to the multi-purpose interface of the computer, (a) without requiring any end user to load any software onto the computer at any time, and (b) without requiring any end user to interact with the computer to set up a file system in the analog data acquisition device at any time.
  - 18. The analog data acquisition and interface device of claim 17, wherein the analog data acquisition device file system information comprises at least an indication of a file system type that is used to store the digitized analog data.
  - 19. The analog data acquisition device of claim 1,wherein the processor is configured to cause file allocation table information to be sent to the multipurpose interface,wherein the processor is configured to cause a virtual boot sequence to be sent to the multipurpose interface which includes at least information that is representative of a number of sectors of a storage disk, andwherein the file allocation table information includes at least a start location of a file allocation table.
  - 20. The analog data acquisition device of claim 1, wherein the processor is configured to initiate a process by which the at least one file of digitized analog data is directly transferred to an input/output device.
  - 21. The analog data acquisition device of claim 20, wherein the processor is configured to allow a mode of operation of the analog data acquisition device other than the transfer of at least some of the at least one file of digitized analog data to the multipurpose interface to be controlled by means of an external personal computer.
  - 22. The analog data acquisition device of claim 1, wherein the analog data acquisition device comprises at least a portion of a medical device.
  - 23. The analog data acquisition device of claim 1, wherein the analog data is processed by being subject to a fast Fourier transform.
  - 24. The analog data acquisition device of claim 1 wherein the analog data acquisition device is designed so that both the data generation process and automatic file transfer, when they occur, take place only after the at least one parameter has been automatically sent.
  - 25. The analog data acquisition device of claim 1 wherein the data generation process and automatic data transfer of digitized analog data, when they occur, at least partially overlap in time.
  - 26. The analog data acquisition device of claim 1, wherein the analog source is designed to receive signals from the computer.
  - 27. The analog data acquisition device of claim 1, wherein the analog data acquisition and interface device is designed so that at least one aspect of how the analog data acquisition device creates at least one file of digitized analog data can be controlled by means of commands that are issuable from a source external to the analog data acquisition device.
  - 28. The analog data acquisition device of claim 27, wherein the analog data acquisition device is designed so that the at least one aspect is controlled by means of a configuration file.
  - 29. The analog data acquisition device of claim 1, wherein the analog data acquisition device is designed to be responsive to a test unit ready command.
  - 30. The analog data acquisition device of claim 1 wherein the device driver is installed with the operating system such that communication between the computer and the analog data acquisition device takes place by means of a device driver program which is matched to the multi-purpose interface of the computer rendering the analog data acquisition device host device independent.

31. An analog data acquisition and interface device for interfacing to a host device which includes a mass storage device and associated device driver, comprising:
- a processor configured to operatively interface with a memory, an analog source, and a multi-purpose interface of the host device;
  
  wherein the processor is configured to control a data generation process by which analog data is acquired from the analog source, the analog data is processed and digitized, and the processed and digitized analog data is stored in the memory as digitized analog data;
  
  wherein the processor is configured such that, when operatively interfaced with the multi-purpose interface, the processor causes at least one parameter identifying the analog data acquisition device as a digital mass storage device, instead of as an analog data acquisition device and regardless of the analog source, to be automatically sent to the multi-purpose interface of the host device; and
  
  wherein the processor is configured to automatically transfer the digitized analog data acquired from the analog source to the host device in response to a digital mass storage device data read signal from the host device, in a manner that causes the analog data acquisition and interface device to appear to be the mass storage device, while using the device driver associated with the mass storage device to perform the automatic transfer without requiring any user-loaded file transfer enabling software to be loaded on or installed in the computer.

32. An analog data acquisition and interface device for interfacing to a host device which includes a mass storage device and associated device driver, comprising:
- a program memory;
  
  a processor coupled to the program memory and configured to operatively interface with a storage memory, an analog source, and a multi-purpose interface of the host device;
  
  wherein the processor is configured to control a data generation process by which analog data is acquired from the analog source, the analog data is processed and digitized, and the processed and digitized analog data is stored in the memory as digitized analog data;
  
  wherein the processor is configured such that, when operatively interfaced with the multi-purpose interface, the processor causes at least one parameter identifying the analog data acquisition device as a digital mass storage device instead of an analog data acquisition device and regardless of the analog source, to be automatically sent to the multi-purpose interface of the host device;
  
  wherein the processor is configured to automatically transfer to the host device the digitized analog data acquired from the analog source, in a manner that causes the analog data acquisition and interface device to appear to be the mass storage device while using the device driver associated with the mass storage device to perform the automatic transfer; and
  
  wherein the processor is configured to transmit to the host device commands to access a system bus of the host device to enable direct communications with other data devices of the host device while bypassing any host device processor.
- View Dependent Claims (33)
- - 33. The analog data acquisition and interface device of claim 32, wherein the processor further comprises a plurality of independent analog data acquisition channels for simultaneously acquiring analog data in parallel from a plurality of analog sources.

34. A method for analog data acquisition and interfacing to a host device wherein the host device includes a device driver, comprising:
- operatively interfacing a data acquisition device, including a processor and a memory, with a multi-purpose interface of the host device;
  
  acquiring analog data from an analog source, processing and digitizing the analog data, and storing the processed and digitized analog data in the memory as digitized analog data under control of the processor;
  
  automatically sending under control of the processor at least one parameter to the multi-purpose interface of the host device, the at least one parameter identifying the analog data acquisition device as a digital device instead of as an analog data acquisition device, regardless of the analog source; and
  
  automatically transferring data from the analog source to the host device in response to a digital data read command from the host device, in a manner that causes the analog data acquisition device to appear to be a digital device instead of as an analog data acquisition device, while using the device driver to perform the automatic transfer of the acquired digitized analog data to the host device without requiring any user-loaded file transfer enabling software to be loaded on or installed in the host device.
- View Dependent Claims (35)
- - 35. The method of claim 34, further comprising simultaneously acquiring the analog data from each respective analog channel of a plurality of respective independent acquisition channels under control of the processor and acquiring analog data from the analog source time independent of transferring the acquired analog data to the host device.

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Current Assignee
Papst Licensing GmbH & Company Kg
Original Assignee
Papst Licensing GmbH & Company Kg
Inventors
Tasler, Michael L.
Primary Examiner(s)
LEE, CHUN KUAN

Application Number

US12/891,443
Publication Number

US 20110131353A1
Time in Patent Office

1,044 Days
Field of Search

710/15, 710/63, 710/69
US Class Current

710/69
CPC Class Codes

G06F 13/385   for adaptation of a particu...

G06F 13/387   for adaptation of different...

G06F 3/0605   by facilitating the interac...

G06F 3/0607   by facilitating the process...

G06F 3/0613   in relation to throughput

G06F 3/0661   Format or protocol conversi...

G06F 3/0664   at device level, e.g. emula...

G06F 3/0676   Magnetic disk device

G06F 3/068   Hybrid storage device

Analog data generating and processing device for use with a personal computer

First Claim

1 Assignment

Litigations

12 Petitions

Reexamination

Accused Products

Abstract

176 Citations

35 Claims

Specification

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Analog data generating and processing device for use with a personal computer

First Claim

1 Assignment

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Litigations

12 Petitions

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Reexamination

Accused Products

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Abstract

176 Citations

35 Claims

Specification

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Use Cases

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