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EXHIBITS
Exhibit No. Description
1 Joint Filing Agreement dated as of December 20,
2000, by and between Parent and the Purchaser.
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Exhibit No. 1
JOINT FILING AGREEMENT
In accordance with Rule 13d-1(k) under the Securities Exchange Act of
1934, as amended, the persons named below each hereby agrees that the Schedule
13D filed herewith and any amendments thereto relating to the acquisition of
shares of Common Stock of Detection Systems, Inc. is filed jointly on behalf of
such person.
Dated: December 20, 2000
ROBERT BOSCH GmbH
By: /s/ Georg Hanen
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Name: Georg Hanen
Title: Senior Vice President
By: /s/ Dr. Heiko Carrie
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Name: Dr. Heiko Carrie
Title: Senior Legal Counsel
BOSCH SECURITY SYSTEMS CORPORATION
By: /s/ Gary Saunders
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Name: Gary Saunders
Title: President
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