[특허]Method and apparatus for accessing a nonvolatile memory

Method and apparatus for accessing a nonvolatile memory 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61N-001/36
출원번호	US-0549568 (1990-07-06)
발명자 / 주소	Hooper William J. (Lake Elmo MN) Thompson David L. (Fridley MN)
출원인 / 주소	Medtronic, Inc. (Minneapolis MN 02)
인용정보	피인용 횟수 : 65 인용 특허 : 0

초록 ▼

A method and apparatus for accessing a nonvolatile electrically erasable programmable read only memory (EEPROM) following hermetic closure of a device containing the EEPROM. The EEPROM is accessed by a direct connection to a feedthrough pin extending through the hermetic enclosure. Following hermetic sealing, the memory is still accessible for programming. In the implantable medical device field, the invention may be utilized to program in the device serial number or similar data which may be telemetered out of the device on command of an external programmer/transciever in order to identify the device. In a specific application, a rate responsive pacemaker, an activity sensor mounted within the hermetically sealed enclosure is electrically connected to the EEPROM and other operating circuitry. At final test, the output of the activity sensor may be checked against specific levels of mechanical activity input applied to the exterior of the enclosure by observing the pacing rates developed from the sensor signal values, calculating a gain factor and storing the gain factor(s) in the EEPROM for adjusting the activity sensor derived pacing rate through its normal range of response. This trimming of the response of the activity sensor minimizes the number of completed medical devices that fail to meet specification tolerances and allows those tolerances to be narrowed to assure relatively consistent variations in pacing rate as a function of applied mechanical force. Once the factor(s) is stored and its accuracy is confirmed by retesting the pacing rate, the dedicated feedthrough pin is removed or rendered inaccessible.

대표청구항 ▼

A method for accessing a nonvolatile memory located, with associated circuitry, within a hermetically enclosed chamber, said nonvolatile memory having an enable input terminal, a data input terminal, and a data output terminal, said method comprising the steps of: providing a dedicated access port in the wall of said hermetically enclosed chamber for providing access to said enable input terminal; applying an enable signal through said access port to said enable input terminal; providing data to the data input terminal of said nonvolatile memory; and sealing said access port to prevent further application of enable signals to said enable input terminal after data is stored in said nonvolatile memory.

이 특허를 인용한 특허 (65)

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Seeberger,Michael; Vanderlinde,Scott; Kalgren,James; Lindh,Par; Larsen Kelly,Kristine M.; Lanz,Mitchell; Thompson,Jeffrey M.; Dyjach,John A., Adaptive software configuration for a medical device.
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Greeninger Daniel R. ; Thompson David L. ; Hartlaub Jerome T., Audible sound communication from an implantable medical device.
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Greeninger Daniel R. ; Thompson David L. ; Hartlaub Jerome T., Audible sound communication from an implantable medical device.
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Hartlaub Jerome T. ; Thompson David L. ; Greeninger Daniel R., Audible sound confirmation of programming an implantable medical device.
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Hartlaub Jerome T. ; Thompson David L. ; Greeninger Daniel R., Audible sound confirmation of programming change in an implantable medical device.
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Hartlaub Jerome T. ; Thompson David L. ; Greeninger Daniel R., Broadcast audible sound communication of programming change in an implantable medical device.
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Ruben, David A.; Ries, Andrew J.; Milla, Juan G.; Roles, Randy S.; Bruneau, Terry W.; Warren, Steve Craig; Parkin, David W.; Anderson, II, John V.; Day, John K.; Hemann, Jr., Robert V., Implantable medical device including a surface-mount terminal array.
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Greeninger Daniel R. ; Thompson David L. ; Hartlaub Jerome T., Implantable medical device using audible sound communication to provide warnings.
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Vansickle, Dennis Allen; Kothandaraman, Sridhar, Implantable medical device with a primary and rechargeable battery.
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Armstrong,Randolph K.; Armstrong,Scott A., Implantable medical device with reconfigurable non-volatile program.
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Von Arx, Jeffrey A.; Johnson, Keith; Mazar, Scott T.; Linder, William J., Implantable medical device with two or more telemetry systems.
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Von Arx, Jeffrey A.; Johnson, Keith; Mazar, Scott T.; Linder, William J., Implantable medical device with two or more telemetry systems.
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North,Richard B.; Sieracki,Jeffrey M.; Brigham,David D., Implantable neurostimulator programming with battery longevity indication.
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Rogers,Charles R., Implantable therapeutic substance infusion device with active longevity projection.
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Greeninger Daniel R. ; Thompson David L. ; Hartlaub Jerome T., Interrogation of an implantable medical device using audible sound communication.
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Jerome T. Hartlaub ; David L. Thompson ; Daniel R. Greeninger, Interrogation of an implantable medical device using broadcast audible sound communication.
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Medina, Casey V., Medical sensor and technique for using the same.
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Von Arx, Jeffrey A.; Yonce, David J.; Mazar, Scott T.; Kramer, Karen M.; Harris, Thomas J., Methods and apparatuses for implantable medical device telemetry power management.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Method and apparatus for accessing a nonvolatile memory 원문보기

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Method and apparatus for accessing a nonvolatile memory 원문보기

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대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (65)

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